diff options
117 files changed, 3901 insertions, 912 deletions
diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt index 729def62f0c5..10f6d0a8159d 100644 --- a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt +++ b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt @@ -10,7 +10,8 @@ Required properties: "brcm,bcm7038-gisb-arb" for 130nm chips - reg: specifies the base physical address and size of the registers - interrupts: specifies the two interrupts (timeout and TEA) to be used from - the parent interrupt controller + the parent interrupt controller. A third optional interrupt may be specified + for breakpoints. Optional properties: diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt index b64573680b42..dbafffe3f41e 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt @@ -5,7 +5,7 @@ The hardware block diagram please check bindings/iommu/mediatek,iommu.txt Mediatek SMI have two generations of HW architecture, here is the list which generation the SoCs use: generation 1: mt2701 and mt7623. -generation 2: mt2712, mt6779, mt8173 and mt8183. +generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183. There's slight differences between the two SMI, for generation 2, the register which control the iommu port is at each larb's register base. But @@ -20,6 +20,7 @@ Required properties: "mediatek,mt2712-smi-common" "mediatek,mt6779-smi-common" "mediatek,mt7623-smi-common", "mediatek,mt2701-smi-common" + "mediatek,mt8167-smi-common" "mediatek,mt8173-smi-common" "mediatek,mt8183-smi-common" - reg : the register and size of the SMI block. diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt index 8f19dfe7d80e..0c5de12b5496 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt @@ -8,6 +8,7 @@ Required properties: "mediatek,mt2712-smi-larb" "mediatek,mt6779-smi-larb" "mediatek,mt7623-smi-larb", "mediatek,mt2701-smi-larb" + "mediatek,mt8167-smi-larb" "mediatek,mt8173-smi-larb" "mediatek,mt8183-smi-larb" - reg : the register and size of this local arbiter. @@ -22,7 +23,7 @@ Required properties: - "gals": the clock for GALS(Global Async Local Sync). Here is the list which has this GALS: mt8183. -Required property for mt2701, mt2712, mt6779 and mt7623: +Required property for mt2701, mt2712, mt6779, mt7623 and mt8167: - mediatek,larb-id :the hardware id of this larb. Example: diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml index 4f524f822e84..d30f85cc395e 100644 --- a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml +++ b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml @@ -27,6 +27,7 @@ properties: - amlogic,meson8b-pwrc - amlogic,meson8m2-pwrc - amlogic,meson-gxbb-pwrc + - amlogic,meson-axg-pwrc - amlogic,meson-g12a-pwrc - amlogic,meson-sm1-pwrc @@ -42,11 +43,11 @@ properties: - const: vapb resets: - minItems: 11 + minItems: 5 maxItems: 12 reset-names: - minItems: 11 + minItems: 5 maxItems: 12 "#power-domain-cells": @@ -111,6 +112,24 @@ allOf: properties: compatible: enum: + - amlogic,meson-axg-pwrc + then: + properties: + reset-names: + items: + - const: viu + - const: venc + - const: vcbus + - const: vencl + - const: vid_lock + required: + - resets + - reset-names + + - if: + properties: + compatible: + enum: - amlogic,meson-g12a-pwrc - amlogic,meson-sm1-pwrc then: diff --git a/Documentation/devicetree/bindings/power/brcm,bcm63xx-power.yaml b/Documentation/devicetree/bindings/power/brcm,bcm63xx-power.yaml new file mode 100644 index 000000000000..63b15ac6dde4 --- /dev/null +++ b/Documentation/devicetree/bindings/power/brcm,bcm63xx-power.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/brcm,bcm63xx-power.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: BCM63xx power domain driver + +maintainers: + - Álvaro Fernández Rojas <noltari@gmail.com> + +description: | + BCM6318, BCM6328, BCM6362 and BCM63268 SoCs have a power domain controller + to enable/disable certain components in order to save power. + +properties: + compatible: + items: + - enum: + - brcm,bcm6318-power-controller + - brcm,bcm6328-power-controller + - brcm,bcm6362-power-controller + - brcm,bcm63268-power-controller + + reg: + maxItems: 1 + + "#power-domain-cells": + const: 1 + +required: + - compatible + - reg + - "#power-domain-cells" + +additionalProperties: false + +examples: + - | + periph_pwr: power-controller@10001848 { + compatible = "brcm,bcm6328-power-controller"; + reg = <0x10001848 0x4>; + #power-domain-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt index 27a45fe5ecf1..ed836868dbf1 100644 --- a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt +++ b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt @@ -1,7 +1,7 @@ -------------------------------------------------------------------------- - = Zynq UltraScale+ MPSoC reset driver binding = + = Zynq UltraScale+ MPSoC and Versal reset driver binding = -------------------------------------------------------------------------- -The Zynq UltraScale+ MPSoC has several different resets. +The Zynq UltraScale+ MPSoC and Versal has several different resets. See Chapter 36 of the Zynq UltraScale+ MPSoC TRM (UG) for more information about zynqmp resets. @@ -10,7 +10,8 @@ Please also refer to reset.txt in this directory for common reset controller binding usage. Required Properties: -- compatible: "xlnx,zynqmp-reset" +- compatible: "xlnx,zynqmp-reset" for Zynq UltraScale+ MPSoC platform + "xlnx,versal-reset" for Versal platform - #reset-cells: Specifies the number of cells needed to encode reset line, should be 1 @@ -37,8 +38,10 @@ Device nodes that need access to reset lines should specify them as a reset phandle in their corresponding node as specified in reset.txt. -For list of all valid reset indicies see +For list of all valid reset indices for Zynq UltraScale+ MPSoC see <dt-bindings/reset/xlnx-zynqmp-resets.h> +For list of all valid reset indices for Versal see +<dt-bindings/reset/xlnx-versal-resets.h> Example: diff --git a/Documentation/devicetree/bindings/soc/ti/k3-ringacc.yaml b/Documentation/devicetree/bindings/soc/ti/k3-ringacc.yaml index ae33fc957141..c3c595e235a8 100644 --- a/Documentation/devicetree/bindings/soc/ti/k3-ringacc.yaml +++ b/Documentation/devicetree/bindings/soc/ti/k3-ringacc.yaml @@ -62,11 +62,6 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 description: TI-SCI device id of the ring accelerator - ti,dma-ring-reset-quirk: - $ref: /schemas/types.yaml#definitions/flag - description: | - enable ringacc/udma ring state interoperability issue software w/a - required: - compatible - reg @@ -94,7 +89,6 @@ examples: reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target"; ti,num-rings = <818>; ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */ - ti,dma-ring-reset-quirk; ti,sci = <&dmsc>; ti,sci-dev-id = <187>; msi-parent = <&inta_main_udmass>; diff --git a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml new file mode 100644 index 000000000000..037c51b2f972 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml @@ -0,0 +1,439 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/ti/ti,pruss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: |+ + TI Programmable Real-Time Unit and Industrial Communication Subsystem + +maintainers: + - Suman Anna <s-anna@ti.com> + +description: |+ + + The Programmable Real-Time Unit and Industrial Communication Subsystem + (PRU-ICSS a.k.a. PRUSS) is present on various TI SoCs such as AM335x, AM437x, + Keystone 66AK2G, OMAP-L138/DA850 etc. A PRUSS consists of dual 32-bit RISC + cores (Programmable Real-Time Units, or PRUs), shared RAM, data and + instruction RAMs, some internal peripheral modules to facilitate industrial + communication, and an interrupt controller. + + The programmable nature of the PRUs provide flexibility to implement custom + peripheral interfaces, fast real-time responses, or specialized data handling. + The common peripheral modules include the following, + - an Ethernet MII_RT module with two MII ports + - an MDIO port to control external Ethernet PHYs + - an Industrial Ethernet Peripheral (IEP) to manage/generate Industrial + Ethernet functions + - an Enhanced Capture Module (eCAP) + - an Industrial Ethernet Timer with 7/9 capture and 16 compare events + - a 16550-compatible UART to support PROFIBUS + - Enhanced GPIO with async capture and serial support + + A PRU-ICSS subsystem can have up to three shared data memories. A PRU core + acts on a primary Data RAM (there are usually 2 Data RAMs) at its address + 0x0, but also has access to a secondary Data RAM (primary to the other PRU + core) at its address 0x2000. A shared Data RAM, if present, can be accessed + by both the PRU cores. The Interrupt Controller (INTC) and a CFG module are + common to both the PRU cores. Each PRU core also has a private instruction + RAM, and specific register spaces for Control and Debug functionalities. + + Various sub-modules within a PRU-ICSS subsystem are represented as individual + nodes and are defined using a parent-child hierarchy depending on their + integration within the IP and the SoC. These nodes are described in the + following sections. + + + PRU-ICSS Node + ============== + Each PRU-ICSS instance is represented as its own node with the individual PRU + processor cores, the memories node, an INTC node and an MDIO node represented + as child nodes within this PRUSS node. This node shall be a child of the + corresponding interconnect bus nodes or target-module nodes. + + See ../../mfd/syscon.yaml for generic SysCon binding details. + + +properties: + $nodename: + pattern: "^(pruss|icssg)@[0-9a-f]+$" + + compatible: + enum: + - ti,am3356-pruss # for AM335x SoC family + - ti,am4376-pruss0 # for AM437x SoC family and PRUSS unit 0 + - ti,am4376-pruss1 # for AM437x SoC family and PRUSS unit 1 + - ti,am5728-pruss # for AM57xx SoC family + - ti,k2g-pruss # for 66AK2G SoC family + - ti,am654-icssg # for K3 AM65x SoC family + - ti,j721e-icssg # for K3 J721E SoC family + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: + maxItems: 1 + + power-domains: + description: | + This property is as per sci-pm-domain.txt. + +patternProperties: + + memories@[a-f0-9]+$: + description: | + The various Data RAMs within a single PRU-ICSS unit are represented as a + single node with the name 'memories'. + + type: object + + properties: + reg: + minItems: 2 # On AM437x one of two PRUSS units don't contain Shared RAM. + maxItems: 3 + items: + - description: Address and size of the Data RAM0. + - description: Address and size of the Data RAM1. + - description: | + Address and size of the Shared Data RAM. Note that on AM437x one + of two PRUSS units don't contain Shared RAM, while the second one + has it. + + reg-names: + minItems: 2 + maxItems: 3 + items: + - const: dram0 + - const: dram1 + - const: shrdram2 + + required: + - reg + - reg-names + + additionalProperties: false + + cfg@[a-f0-9]+$: + description: | + PRU-ICSS configuration space. CFG sub-module represented as a SysCon. + + type: object + + properties: + compatible: + items: + - const: ti,pruss-cfg + - const: syscon + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + reg: + maxItems: 1 + + ranges: + maxItems: 1 + + clocks: + type: object + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + coreclk-mux@[a-f0-9]+$: + description: | + This is applicable only for ICSSG (K3 SoCs). The ICSSG modules + core clock can be set to one of the 2 sources: ICSSG_CORE_CLK or + ICSSG_ICLK. This node models this clock mux and should have the + name "coreclk-mux". + + type: object + + properties: + '#clock-cells': + const: 0 + + clocks: + items: + - description: ICSSG_CORE Clock + - description: ICSSG_ICLK Clock + + assigned-clocks: + maxItems: 1 + + assigned-clock-parents: + maxItems: 1 + description: | + Standard assigned-clocks-parents definition used for selecting + mux parent (one of the mux input). + + reg: + maxItems: 1 + + required: + - clocks + + additionalProperties: false + + iepclk-mux@[a-f0-9]+$: + description: | + The IEP module can get its clock from 2 sources: ICSSG_IEP_CLK or + CORE_CLK (OCP_CLK in older SoCs). This node models this clock + mux and should have the name "iepclk-mux". + + type: object + + properties: + '#clock-cells': + const: 0 + + clocks: + items: + - description: ICSSG_IEP Clock + - description: Core Clock (OCP Clock in older SoCs) + + assigned-clocks: + maxItems: 1 + + assigned-clock-parents: + maxItems: 1 + description: | + Standard assigned-clocks-parents definition used for selecting + mux parent (one of the mux input). + + reg: + maxItems: 1 + + required: + - clocks + + additionalProperties: false + + additionalProperties: false + + iep@[a-f0-9]+$: + description: | + Industrial Ethernet Peripheral to manage/generate Industrial Ethernet + functions such as time stamping. Each PRUSS has either 1 IEP (on AM335x, + AM437x, AM57xx & 66AK2G SoCs) or 2 IEPs (on K3 AM65x & J721E SoCs ). IEP + is used for creating PTP clocks and generating PPS signals. + + type: object + + mii-rt@[a-f0-9]+$: + description: | + Real-Time Ethernet to support multiple industrial communication protocols. + MII-RT sub-module represented as a SysCon. + + type: object + + properties: + compatible: + items: + - const: ti,pruss-mii + - const: syscon + + reg: + maxItems: 1 + + additionalProperties: false + + mii-g-rt@[a-f0-9]+$: + description: | + The Real-time Media Independent Interface to support multiple industrial + communication protocols (G stands for Gigabit). MII-G-RT sub-module + represented as a SysCon. + + type: object + + properties: + compatible: + items: + - const: ti,pruss-mii-g + - const: syscon + + reg: + maxItems: 1 + + additionalProperties: false + + interrupt-controller@[a-f0-9]+$: + description: | + PRUSS INTC Node. Each PRUSS has a single interrupt controller instance + that is common to all the PRU cores. This should be represented as an + interrupt-controller node. + + type: object + + mdio@[a-f0-9]+$: + description: | + MDIO Node. Each PRUSS has an MDIO module that can be used to control + external PHYs. The MDIO module used within the PRU-ICSS is an instance of + the MDIO Controller used in TI Davinci SoCs. + + allOf: + - $ref: /schemas/net/ti,davinci-mdio.yaml# + + type: object + + "^(pru|rtu|txpru)@[0-9a-f]+$": + description: | + PRU Node. Each PRUSS has dual PRU cores, each represented as a RemoteProc + device through a PRU child node each. Each node can optionally be rendered + inactive by using the standard DT string property, "status". The ICSSG IP + present on K3 SoCs have additional auxiliary PRU cores with slightly + different IP integration. + + type: object + +required: + - compatible + - reg + - ranges + +additionalProperties: false + +# Due to inability of correctly verifying sub-nodes with an @address through +# the "required" list, the required sub-nodes below are commented out for now. + +#required: +# - memories +# - interrupt-controller +# - pru + +if: + properties: + compatible: + contains: + enum: + - ti,k2g-pruss + - ti,am654-icssg + - ti,j721e-icssg +then: + required: + - power-domains + +examples: + - | + + /* Example 1 AM33xx PRU-ICSS */ + pruss: pruss@0 { + compatible = "ti,am3356-pruss"; + reg = <0x0 0x80000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pruss_mem: memories@0 { + reg = <0x0 0x2000>, + <0x2000 0x2000>, + <0x10000 0x3000>; + reg-names = "dram0", "dram1", "shrdram2"; + }; + + pruss_cfg: cfg@26000 { + compatible = "ti,pruss-cfg", "syscon"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x26000 0x2000>; + ranges = <0x00 0x26000 0x2000>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + pruss_iepclk_mux: iepclk-mux@30 { + reg = <0x30>; + #clock-cells = <0>; + clocks = <&l3_gclk>, /* icss_iep */ + <&pruss_ocp_gclk>; /* icss_ocp */ + }; + }; + }; + + pruss_mii_rt: mii-rt@32000 { + compatible = "ti,pruss-mii", "syscon"; + reg = <0x32000 0x58>; + }; + + pruss_mdio: mdio@32400 { + compatible = "ti,davinci_mdio"; + reg = <0x32400 0x90>; + clocks = <&dpll_core_m4_ck>; + clock-names = "fck"; + bus_freq = <1000000>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + + - | + + /* Example 2 AM43xx PRU-ICSS with PRUSS1 node */ + #include <dt-bindings/interrupt-controller/arm-gic.h> + pruss1: pruss@0 { + compatible = "ti,am4376-pruss1"; + reg = <0x0 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pruss1_mem: memories@0 { + reg = <0x0 0x2000>, + <0x2000 0x2000>, + <0x10000 0x8000>; + reg-names = "dram0", "dram1", "shrdram2"; + }; + + pruss1_cfg: cfg@26000 { + compatible = "ti,pruss-cfg", "syscon"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x26000 0x2000>; + ranges = <0x00 0x26000 0x2000>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + pruss1_iepclk_mux: iepclk-mux@30 { + reg = <0x30>; + #clock-cells = <0>; + clocks = <&sysclk_div>, /* icss_iep */ + <&pruss_ocp_gclk>; /* icss_ocp */ + }; + }; + }; + + pruss1_mii_rt: mii-rt@32000 { + compatible = "ti,pruss-mii", "syscon"; + reg = <0x32000 0x58>; + }; + + pruss1_mdio: mdio@32400 { + compatible = "ti,davinci_mdio"; + reg = <0x32400 0x90>; + clocks = <&dpll_core_m4_ck>; + clock-names = "fck"; + bus_freq = <1000000>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 0b2423a3349e..bfa9054a8c34 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3482,6 +3482,7 @@ F: arch/mips/bmips/* F: arch/mips/boot/dts/brcm/bcm*.dts* F: arch/mips/include/asm/mach-bmips/* F: arch/mips/kernel/*bmips* +F: drivers/soc/bcm/bcm63xx F: drivers/irqchip/irq-bcm63* F: drivers/irqchip/irq-bcm7* F: drivers/irqchip/irq-brcmstb* diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi index beec24145af7..5acb49b61867 100644 --- a/arch/mips/boot/dts/brcm/bcm63268.dtsi +++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi @@ -117,6 +117,12 @@ status = "disabled"; }; + periph_pwr: power-controller@1000184c { + compatible = "brcm,bcm6328-power-controller"; + reg = <0x1000184c 0x4>; + #power-domain-cells = <1>; + }; + ehci: usb@10002500 { compatible = "brcm,bcm63268-ehci", "generic-ehci"; reg = <0x10002500 0x100>; diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi index af860d06def6..1f9edd710392 100644 --- a/arch/mips/boot/dts/brcm/bcm6328.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi @@ -110,6 +110,12 @@ status = "disabled"; }; + periph_pwr: power-controller@10001848 { + compatible = "brcm,bcm6328-power-controller"; + reg = <0x10001848 0x4>; + #power-domain-cells = <1>; + }; + ehci: usb@10002500 { compatible = "brcm,bcm6328-ehci", "generic-ehci"; reg = <0x10002500 0x100>; diff --git a/arch/mips/boot/dts/brcm/bcm6362.dtsi b/arch/mips/boot/dts/brcm/bcm6362.dtsi index 8ae6981735b8..c98f9111e3c8 100644 --- a/arch/mips/boot/dts/brcm/bcm6362.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6362.dtsi @@ -108,6 +108,12 @@ status = "disabled"; }; + periph_pwr: power-controller@10001848 { + compatible = "brcm,bcm6362-power-controller"; + reg = <0x10001848 0x4>; + #power-domain-cells = <1>; + }; + leds0: led-controller@10001900 { #address-cells = <1>; #size-cells = <0>; diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c index ec1004c858b8..7355fa2cb439 100644 --- a/drivers/bus/brcmstb_gisb.c +++ b/drivers/bus/brcmstb_gisb.c @@ -30,8 +30,22 @@ #define ARB_ERR_CAP_STATUS_WRITE (1 << 1) #define ARB_ERR_CAP_STATUS_VALID (1 << 0) +#define ARB_BP_CAP_CLEAR (1 << 0) +#define ARB_BP_CAP_STATUS_PROT_SHIFT 14 +#define ARB_BP_CAP_STATUS_TYPE (1 << 13) +#define ARB_BP_CAP_STATUS_RSP_SHIFT 10 +#define ARB_BP_CAP_STATUS_MASK GENMASK(1, 0) +#define ARB_BP_CAP_STATUS_BS_SHIFT 2 +#define ARB_BP_CAP_STATUS_WRITE (1 << 1) +#define ARB_BP_CAP_STATUS_VALID (1 << 0) + enum { ARB_TIMER, + ARB_BP_CAP_CLR, + ARB_BP_CAP_HI_ADDR, + ARB_BP_CAP_ADDR, + ARB_BP_CAP_STATUS, + ARB_BP_CAP_MASTER, ARB_ERR_CAP_CLR, ARB_ERR_CAP_HI_ADDR, ARB_ERR_CAP_ADDR, @@ -41,6 +55,11 @@ enum { static const int gisb_offsets_bcm7038[] = { [ARB_TIMER] = 0x00c, + [ARB_BP_CAP_CLR] = 0x014, + [ARB_BP_CAP_HI_ADDR] = -1, + [ARB_BP_CAP_ADDR] = 0x0b8, + [ARB_BP_CAP_STATUS] = 0x0c0, + [ARB_BP_CAP_MASTER] = -1, [ARB_ERR_CAP_CLR] = 0x0c4, [ARB_ERR_CAP_HI_ADDR] = -1, [ARB_ERR_CAP_ADDR] = 0x0c8, @@ -50,6 +69,11 @@ static const int gisb_offsets_bcm7038[] = { static const int gisb_offsets_bcm7278[] = { [ARB_TIMER] = 0x008, + [ARB_BP_CAP_CLR] = 0x01c, + [ARB_BP_CAP_HI_ADDR] = -1, + [ARB_BP_CAP_ADDR] = 0x220, + [ARB_BP_CAP_STATUS] = 0x230, + [ARB_BP_CAP_MASTER] = 0x234, [ARB_ERR_CAP_CLR] = 0x7f8, [ARB_ERR_CAP_HI_ADDR] = -1, [ARB_ERR_CAP_ADDR] = 0x7e0, @@ -59,6 +83,11 @@ static const int gisb_offsets_bcm7278[] = { static const int gisb_offsets_bcm7400[] = { [ARB_TIMER] = 0x00c, + [ARB_BP_CAP_CLR] = 0x014, + [ARB_BP_CAP_HI_ADDR] = -1, + [ARB_BP_CAP_ADDR] = 0x0b8, + [ARB_BP_CAP_STATUS] = 0x0c0, + [ARB_BP_CAP_MASTER] = 0x0c4, [ARB_ERR_CAP_CLR] = 0x0c8, [ARB_ERR_CAP_HI_ADDR] = -1, [ARB_ERR_CAP_ADDR] = 0x0cc, @@ -68,6 +97,11 @@ static const int gisb_offsets_bcm7400[] = { static const int gisb_offsets_bcm7435[] = { [ARB_TIMER] = 0x00c, + [ARB_BP_CAP_CLR] = 0x014, + [ARB_BP_CAP_HI_ADDR] = -1, + [ARB_BP_CAP_ADDR] = 0x158, + [ARB_BP_CAP_STATUS] = 0x160, + [ARB_BP_CAP_MASTER] = 0x164, [ARB_ERR_CAP_CLR] = 0x168, [ARB_ERR_CAP_HI_ADDR] = -1, [ARB_ERR_CAP_ADDR] = 0x16c, @@ -77,6 +111,11 @@ static const int gisb_offsets_bcm7435[] = { static const int gisb_offsets_bcm7445[] = { [ARB_TIMER] = 0x008, + [ARB_BP_CAP_CLR] = 0x010, + [ARB_BP_CAP_HI_ADDR] = -1, + [ARB_BP_CAP_ADDR] = 0x1d8, + [ARB_BP_CAP_STATUS] = 0x1e0, + [ARB_BP_CAP_MASTER] = 0x1e4, [ARB_ERR_CAP_CLR] = 0x7e4, [ARB_ERR_CAP_HI_ADDR] = 0x7e8, [ARB_ERR_CAP_ADDR] = 0x7ec, @@ -125,6 +164,16 @@ static u64 gisb_read_address(struct brcmstb_gisb_arb_device *gdev) return value; } +static u64 gisb_read_bp_address(struct brcmstb_gisb_arb_device *gdev) +{ + u64 value; + + value = gisb_read(gdev, ARB_BP_CAP_ADDR); + value |= (u64)gisb_read(gdev, ARB_BP_CAP_HI_ADDR) << 32; + + return value; +} + static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg) { int offset = gdev->gisb_offsets[reg]; @@ -210,8 +259,8 @@ static int brcmstb_gisb_arb_decode_addr(struct brcmstb_gisb_arb_device *gdev, m_name = m_fmt; } - pr_crit("%s: %s at 0x%llx [%c %s], core: %s\n", - __func__, reason, arb_addr, + pr_crit("GISB: %s at 0x%llx [%c %s], core: %s\n", + reason, arb_addr, cap_status & ARB_ERR_CAP_STATUS_WRITE ? 'W' : 'R', cap_status & ARB_ERR_CAP_STATUS_TIMEOUT ? "timeout" : "", m_name); @@ -259,6 +308,41 @@ static irqreturn_t brcmstb_gisb_tea_handler(int irq, void *dev_id) return IRQ_HANDLED; } +static irqreturn_t brcmstb_gisb_bp_handler(int irq, void *dev_id) +{ + struct brcmstb_gisb_arb_device *gdev = dev_id; + const char *m_name; + u32 bp_status; + u64 arb_addr; + u32 master; + char m_fmt[11]; + + bp_status = gisb_read(gdev, ARB_BP_CAP_STATUS); + + /* Invalid captured address, bail out */ + if (!(bp_status & ARB_BP_CAP_STATUS_VALID)) + return IRQ_HANDLED; + + /* Read the address and master */ + arb_addr = gisb_read_bp_address(gdev); + master = gisb_read(gdev, ARB_BP_CAP_MASTER); + + m_name = brcmstb_gisb_master_to_str(gdev, master); + if (!m_name) { + snprintf(m_fmt, sizeof(m_fmt), "0x%08x", master); + m_name = m_fmt; + } + + pr_crit("GISB: breakpoint at 0x%llx [%c], core: %s\n", + arb_addr, bp_status & ARB_BP_CAP_STATUS_WRITE ? 'W' : 'R', + m_name); + + /* clear the GISB error */ + gisb_write(gdev, ARB_ERR_CAP_CLEAR, ARB_ERR_CAP_CLR); + + return IRQ_HANDLED; +} + /* * Dump out gisb errors on die or panic. */ @@ -317,13 +401,14 @@ static int __init brcmstb_gisb_arb_probe(struct platform_device *pdev) struct brcmstb_gisb_arb_device *gdev; const struct of_device_id *of_id; struct resource *r; - int err, timeout_irq, tea_irq; + int err, timeout_irq, tea_irq, bp_irq; unsigned int num_masters, j = 0; int i, first, last; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); timeout_irq = platform_get_irq(pdev, 0); tea_irq = platform_get_irq(pdev, 1); + bp_irq = platform_get_irq(pdev, 2); gdev = devm_kzalloc(&pdev->dev, sizeof(*gdev), GFP_KERNEL); if (!gdev) @@ -356,6 +441,15 @@ static int __init brcmstb_gisb_arb_probe(struct platform_device *pdev) if (err < 0) return err; + /* Interrupt is optional */ + if (bp_irq > 0) { + err = devm_request_irq(&pdev->dev, bp_irq, + brcmstb_gisb_bp_handler, 0, pdev->name, + gdev); + if (err < 0) + return err; + } + /* If we do not have a valid mask, assume all masters are enabled */ if (of_property_read_u32(dn, "brcm,gisb-arb-master-mask", &gdev->valid_mask)) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 6dd1311660b5..e855e8612a67 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -29,7 +29,7 @@ static const struct scmi_handle *handle; static unsigned int scmi_cpufreq_get_rate(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); - struct scmi_perf_ops *perf_ops = handle->perf_ops; + const struct scmi_perf_ops *perf_ops = handle->perf_ops; struct scmi_data *priv = policy->driver_data; unsigned long rate; int ret; @@ -49,7 +49,7 @@ static int scmi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index) { struct scmi_data *priv = policy->driver_data; - struct scmi_perf_ops *perf_ops = handle->perf_ops; + const struct scmi_perf_ops *perf_ops = handle->perf_ops; u64 freq = policy->freq_table[index].frequency; return perf_ops->freq_set(handle, priv->domain_id, freq * 1000, false); @@ -59,7 +59,7 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, unsigned int target_freq) { struct scmi_data *priv = policy->driver_data; - struct scmi_perf_ops *perf_ops = handle->perf_ops; + const struct scmi_perf_ops *perf_ops = handle->perf_ops; if (!perf_ops->freq_set(handle, priv->domain_id, target_freq * 1000, true)) diff --git a/drivers/dma/ti/k3-udma-glue.c b/drivers/dma/ti/k3-udma-glue.c index 42c8ad10d75e..a367584f0d7b 100644 --- a/drivers/dma/ti/k3-udma-glue.c +++ b/drivers/dma/ti/k3-udma-glue.c @@ -573,8 +573,8 @@ static int k3_udma_glue_cfg_rx_flow(struct k3_udma_glue_rx_channel *rx_chn, /* request and cfg rings */ ret = k3_ringacc_request_rings_pair(rx_chn->common.ringacc, - flow_cfg->ring_rxq_id, flow_cfg->ring_rxfdq0_id, + flow_cfg->ring_rxq_id, &flow->ringrxfdq, &flow->ringrx); if (ret) { diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index d78dd3c82e9d..3315e3c21586 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -7,7 +7,7 @@ menu "Firmware Drivers" config ARM_SCMI_PROTOCOL - bool "ARM System Control and Management Interface (SCMI) Message Protocol" + tristate "ARM System Control and Management Interface (SCMI) Message Protocol" depends on ARM || ARM64 || COMPILE_TEST depends on MAILBOX help diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 99510be9f5ed..5e013b6a3692 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -22,7 +22,7 @@ obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o obj-$(CONFIG_TURRIS_MOX_RWTM) += turris-mox-rwtm.o -obj-$(CONFIG_ARM_SCMI_PROTOCOL) += arm_scmi/ +obj-y += arm_scmi/ obj-y += broadcom/ obj-y += meson/ obj-$(CONFIG_GOOGLE_FIRMWARE) += google/ diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile index 6f9cbc4aef22..bc0d54f8e861 100644 --- a/drivers/firmware/arm_scmi/Makefile +++ b/drivers/firmware/arm_scmi/Makefile @@ -1,9 +1,11 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-y = scmi-bus.o scmi-driver.o scmi-protocols.o scmi-transport.o scmi-bus-y = bus.o scmi-driver-y = driver.o notify.o scmi-transport-y = shmem.o scmi-transport-$(CONFIG_MAILBOX) += mailbox.o scmi-transport-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) += smc.o -scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o +scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o +scmi-module-objs := $(scmi-bus-y) $(scmi-driver-y) $(scmi-protocols-y) \ + $(scmi-transport-y) +obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-module.o obj-$(CONFIG_ARM_SCMI_POWER_DOMAIN) += scmi_pm_domain.o diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index db55c43a2cbd..1377ec76a45d 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -230,7 +230,7 @@ static void scmi_devices_unregister(void) bus_for_each_dev(&scmi_bus_type, NULL, NULL, __scmi_devices_unregister); } -static int __init scmi_bus_init(void) +int __init scmi_bus_init(void) { int retval; @@ -240,12 +240,10 @@ static int __init scmi_bus_init(void) return retval; } -subsys_initcall(scmi_bus_init); -static void __exit scmi_bus_exit(void) +void __exit scmi_bus_exit(void) { scmi_devices_unregister(); bus_unregister(&scmi_bus_type); ida_destroy(&scmi_bus_id); } -module_exit(scmi_bus_exit); diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 75e39882746e..c1cfe3ee3d55 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -318,7 +318,7 @@ scmi_clock_info_get(const struct scmi_handle *handle, u32 clk_id) return clk; } -static struct scmi_clk_ops clk_ops = { +static const struct scmi_clk_ops clk_ops = { .count_get = scmi_clock_count_get, .info_get = scmi_clock_info_get, .rate_get = scmi_clock_rate_get, @@ -364,9 +364,4 @@ static int scmi_clock_protocol_init(struct scmi_handle *handle) return 0; } -static int __init scmi_clock_init(void) -{ - return scmi_protocol_register(SCMI_PROTOCOL_CLOCK, - &scmi_clock_protocol_init); -} -subsys_initcall(scmi_clock_init); +DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_CLOCK, clock) diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index c113e578cc6c..37fb583f1bf5 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -156,6 +156,30 @@ void scmi_setup_protocol_implemented(const struct scmi_handle *handle, int scmi_base_protocol_init(struct scmi_handle *h); +int __init scmi_bus_init(void); +void __exit scmi_bus_exit(void); + +#define DECLARE_SCMI_REGISTER_UNREGISTER(func) \ + int __init scmi_##func##_register(void); \ + void __exit scmi_##func##_unregister(void) +DECLARE_SCMI_REGISTER_UNREGISTER(clock); +DECLARE_SCMI_REGISTER_UNREGISTER(perf); +DECLARE_SCMI_REGISTER_UNREGISTER(power); +DECLARE_SCMI_REGISTER_UNREGISTER(reset); +DECLARE_SCMI_REGISTER_UNREGISTER(sensors); +DECLARE_SCMI_REGISTER_UNREGISTER(system); + +#define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(id, name) \ +int __init scmi_##name##_register(void) \ +{ \ + return scmi_protocol_register((id), &scmi_##name##_protocol_init); \ +} \ +\ +void __exit scmi_##name##_unregister(void) \ +{ \ + scmi_protocol_unregister((id)); \ +} + /* SCMI Transport */ /** * struct scmi_chan_info - Structure representing a SCMI channel information @@ -210,7 +234,7 @@ struct scmi_transport_ops { * @max_msg_size: Maximum size of data per message that can be handled. */ struct scmi_desc { - struct scmi_transport_ops *ops; + const struct scmi_transport_ops *ops; int max_rx_timeout_ms; int max_msg; int max_msg_size; diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 03ec74242c14..c5dea87edf8f 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -730,6 +730,7 @@ struct scmi_prot_devnames { static struct scmi_prot_devnames devnames[] = { { SCMI_PROTOCOL_POWER, { "genpd" },}, + { SCMI_PROTOCOL_SYSTEM, { "syspower" },}, { SCMI_PROTOCOL_PERF, { "cpufreq" },}, { SCMI_PROTOCOL_CLOCK, { "clocks" },}, { SCMI_PROTOCOL_SENSOR, { "hwmon" },}, @@ -928,7 +929,35 @@ static struct platform_driver scmi_driver = { .remove = scmi_remove, }; -module_platform_driver(scmi_driver); +static int __init scmi_driver_init(void) +{ + scmi_bus_init(); + + scmi_clock_register(); + scmi_perf_register(); + scmi_power_register(); + scmi_reset_register(); + scmi_sensors_register(); + scmi_system_register(); + + return platform_driver_register(&scmi_driver); +} +subsys_initcall(scmi_driver_init); + +static void __exit scmi_driver_exit(void) +{ + scmi_bus_exit(); + + scmi_clock_unregister(); + scmi_perf_unregister(); + scmi_power_unregister(); + scmi_reset_unregister(); + scmi_sensors_unregister(); + scmi_system_unregister(); + + platform_driver_unregister(&scmi_driver); +} +module_exit(scmi_driver_exit); MODULE_ALIAS("platform: arm-scmi"); MODULE_AUTHOR("Sudeep Holla <sudeep.holla@arm.com>"); diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/mailbox.c index 6998dc86b5ce..4626404be541 100644 --- a/drivers/firmware/arm_scmi/mailbox.c +++ b/drivers/firmware/arm_scmi/mailbox.c @@ -110,7 +110,7 @@ static int mailbox_chan_free(int id, void *p, void *data) struct scmi_chan_info *cinfo = p; struct scmi_mailbox *smbox = cinfo->transport_info; - if (!IS_ERR(smbox->chan)) { + if (smbox && !IS_ERR(smbox->chan)) { mbox_free_channel(smbox->chan); cinfo->transport_info = NULL; smbox->chan = NULL; @@ -181,7 +181,7 @@ mailbox_poll_done(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer) return shmem_poll_done(smbox->shmem, xfer); } -static struct scmi_transport_ops scmi_mailbox_ops = { +static const struct scmi_transport_ops scmi_mailbox_ops = { .chan_available = mailbox_chan_available, .chan_setup = mailbox_chan_setup, .chan_free = mailbox_chan_free, diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi/notify.c index 4731daaacd19..2754f9d01636 100644 --- a/drivers/firmware/arm_scmi/notify.c +++ b/drivers/firmware/arm_scmi/notify.c @@ -1421,7 +1421,7 @@ static void scmi_protocols_late_init(struct work_struct *work) * notify_ops are attached to the handle so that can be accessed * directly from an scmi_driver to register its own notifiers. */ -static struct scmi_notify_ops notify_ops = { +static const struct scmi_notify_ops notify_ops = { .register_event_notifier = scmi_register_notifier, .unregister_event_notifier = scmi_unregister_notifier, }; diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 3e1e87012c95..ed475b40bd08 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -748,7 +748,7 @@ static bool scmi_fast_switch_possible(const struct scmi_handle *handle, return dom->fc_info && dom->fc_info->level_set_addr; } -static struct scmi_perf_ops perf_ops = { +static const struct scmi_perf_ops perf_ops = { .limits_set = scmi_perf_limits_set, .limits_get = scmi_perf_limits_get, .level_set = scmi_perf_level_set, @@ -890,9 +890,4 @@ static int scmi_perf_protocol_init(struct scmi_handle *handle) return 0; } -static int __init scmi_perf_init(void) -{ - return scmi_protocol_register(SCMI_PROTOCOL_PERF, - &scmi_perf_protocol_init); -} -subsys_initcall(scmi_perf_init); +DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_PERF, perf) diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c index 46f213644c49..1f37258e9bee 100644 --- a/drivers/firmware/arm_scmi/power.c +++ b/drivers/firmware/arm_scmi/power.c @@ -184,7 +184,7 @@ static char *scmi_power_name_get(const struct scmi_handle *handle, u32 domain) return dom->name; } -static struct scmi_power_ops power_ops = { +static const struct scmi_power_ops power_ops = { .num_domains_get = scmi_power_num_domains_get, .name_get = scmi_power_name_get, .state_set = scmi_power_state_set, @@ -301,9 +301,4 @@ static int scmi_power_protocol_init(struct scmi_handle *handle) return 0; } -static int __init scmi_power_init(void) -{ - return scmi_protocol_register(SCMI_PROTOCOL_POWER, - &scmi_power_protocol_init); -} -subsys_initcall(scmi_power_init); +DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_POWER, power) diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index 3691bafca057..f063cfe17e02 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -194,7 +194,7 @@ scmi_reset_domain_deassert(const struct scmi_handle *handle, u32 domain) return scmi_domain_reset(handle, domain, 0, ARCH_COLD_RESET); } -static struct scmi_reset_ops reset_ops = { +static const struct scmi_reset_ops reset_ops = { .num_domains_get = scmi_reset_num_domains_get, .name_get = scmi_reset_name_get, .latency_get = scmi_reset_latency_get, @@ -313,9 +313,4 @@ static int scmi_reset_protocol_init(struct scmi_handle *handle) return 0; } -static int __init scmi_reset_init(void) -{ - return scmi_protocol_register(SCMI_PROTOCOL_RESET, - &scmi_reset_protocol_init); -} -subsys_initcall(scmi_reset_init); +DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_RESET, reset) diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 1af0ad362e82..9703cf6356a0 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -275,7 +275,7 @@ static int scmi_sensor_count_get(const struct scmi_handle *handle) return si->num_sensors; } -static struct scmi_sensor_ops sensor_ops = { +static const struct scmi_sensor_ops sensor_ops = { .count_get = scmi_sensor_count_get, .info_get = scmi_sensor_info_get, .trip_point_config = scmi_sensor_trip_point_config, @@ -365,9 +365,4 @@ static int scmi_sensors_protocol_init(struct scmi_handle *handle) return 0; } -static int __init scmi_sensors_init(void) -{ - return scmi_protocol_register(SCMI_PROTOCOL_SENSOR, - &scmi_sensors_protocol_init); -} -subsys_initcall(scmi_sensors_init); +DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SENSOR, sensors) diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index a1537d123e38..1a03c3ec0230 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -137,7 +137,7 @@ smc_poll_done(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer) return shmem_poll_done(scmi_info->shmem, xfer); } -static struct scmi_transport_ops scmi_smc_ops = { +static const struct scmi_transport_ops scmi_smc_ops = { .chan_available = smc_chan_available, .chan_setup = smc_chan_setup, .chan_free = smc_chan_free, diff --git a/drivers/firmware/arm_scmi/system.c b/drivers/firmware/arm_scmi/system.c new file mode 100644 index 000000000000..283e12d5f24b --- /dev/null +++ b/drivers/firmware/arm_scmi/system.c @@ -0,0 +1,131 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * System Control and Management Interface (SCMI) System Power Protocol + * + * Copyright (C) 2020 ARM Ltd. + */ + +#define pr_fmt(fmt) "SCMI Notifications SYSTEM - " fmt + +#include <linux/scmi_protocol.h> + +#include "common.h" +#include "notify.h" + +#define SCMI_SYSTEM_NUM_SOURCES 1 + +enum scmi_system_protocol_cmd { + SYSTEM_POWER_STATE_NOTIFY = 0x5, +}; + +struct scmi_system_power_state_notify { + __le32 notify_enable; +}; + +struct scmi_system_power_state_notifier_payld { + __le32 agent_id; + __le32 flags; + __le32 system_state; +}; + +struct scmi_system_info { + u32 version; +}; + +static int scmi_system_request_notify(const struct scmi_handle *handle, + bool enable) +{ + int ret; + struct scmi_xfer *t; + struct scmi_system_power_state_notify *notify; + + ret = scmi_xfer_get_init(handle, SYSTEM_POWER_STATE_NOTIFY, + SCMI_PROTOCOL_SYSTEM, sizeof(*notify), 0, &t); + if (ret) + return ret; + + notify = t->tx.buf; + notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0; + + ret = scmi_do_xfer(handle, t); + + scmi_xfer_put(handle, t); + return ret; +} + +static int scmi_system_set_notify_enabled(const struct scmi_handle *handle, + u8 evt_id, u32 src_id, bool enable) +{ + int ret; + + ret = scmi_system_request_notify(handle, enable); + if (ret) + pr_debug("FAIL_ENABLE - evt[%X] - ret:%d\n", evt_id, ret); + + return ret; +} + +static void *scmi_system_fill_custom_report(const struct scmi_handle *handle, + u8 evt_id, ktime_t timestamp, + const void *payld, size_t payld_sz, + void *report, u32 *src_id) +{ + const struct scmi_system_power_state_notifier_payld *p = payld; + struct scmi_system_power_state_notifier_report *r = report; + + if (evt_id != SCMI_EVENT_SYSTEM_POWER_STATE_NOTIFIER || + sizeof(*p) != payld_sz) + return NULL; + + r->timestamp = timestamp; + r->agent_id = le32_to_cpu(p->agent_id); + r->flags = le32_to_cpu(p->flags); + r->system_state = le32_to_cpu(p->system_state); + *src_id = 0; + + return r; +} + +static const struct scmi_event system_events[] = { + { + .id = SCMI_EVENT_SYSTEM_POWER_STATE_NOTIFIER, + .max_payld_sz = + sizeof(struct scmi_system_power_state_notifier_payld), + .max_report_sz = + sizeof(struct scmi_system_power_state_notifier_report), + }, +}; + +static const struct scmi_event_ops system_event_ops = { + .set_notify_enabled = scmi_system_set_notify_enabled, + .fill_custom_report = scmi_system_fill_custom_report, +}; + +static int scmi_system_protocol_init(struct scmi_handle *handle) +{ + u32 version; + struct scmi_system_info *pinfo; + + scmi_version_get(handle, SCMI_PROTOCOL_SYSTEM, &version); + + dev_dbg(handle->dev, "System Power Version %d.%d\n", + PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + + pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL); + if (!pinfo) + return -ENOMEM; + + scmi_register_protocol_events(handle, + SCMI_PROTOCOL_SYSTEM, SCMI_PROTO_QUEUE_SZ, + &system_event_ops, + system_events, + ARRAY_SIZE(system_events), + SCMI_SYSTEM_NUM_SOURCES); + + pinfo->version = version; + handle->system_priv = pinfo; + + return 0; +} + +DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SYSTEM, system) diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c index af3d6d9ead28..946eea292b52 100644 --- a/drivers/firmware/imx/scu-pd.c +++ b/drivers/firmware/imx/scu-pd.c @@ -46,6 +46,7 @@ #include <dt-bindings/firmware/imx/rsrc.h> #include <linux/firmware/imx/sci.h> +#include <linux/firmware/imx/svc/rm.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of.h> @@ -256,6 +257,9 @@ imx_scu_add_pm_domain(struct device *dev, int idx, struct imx_sc_pm_domain *sc_pd; int ret; + if (!imx_sc_rm_is_resource_owned(pm_ipc_handle, pd_ranges->rsrc + idx)) + return NULL; + sc_pd = devm_kzalloc(dev, sizeof(*sc_pd), GFP_KERNEL); if (!sc_pd) return ERR_PTR(-ENOMEM); diff --git a/drivers/firmware/smccc/smccc.c b/drivers/firmware/smccc/smccc.c index 4e80921ee212..00c88b809c0c 100644 --- a/drivers/firmware/smccc/smccc.c +++ b/drivers/firmware/smccc/smccc.c @@ -24,8 +24,10 @@ enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void) return smccc_conduit; } +EXPORT_SYMBOL_GPL(arm_smccc_1_1_get_conduit); u32 arm_smccc_get_version(void) { return smccc_version; } +EXPORT_SYMBOL_GPL(arm_smccc_get_version); diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 4d93d8925e14..0742a90cb844 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -856,7 +856,8 @@ static const struct tegra_bpmp_soc tegra210_soc = { static const struct of_device_id tegra_bpmp_match[] = { #if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \ - IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) + IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \ + IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC) { .compatible = "nvidia,tegra186-bpmp", .data = &tegra186_soc }, #endif #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 722af9ee53d6..896f53ec7857 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -1106,7 +1106,8 @@ static int ti_sci_cmd_get_clock(const struct ti_sci_handle *handle, u32 dev_id, static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle, u32 dev_id, u32 clk_id) { - return ti_sci_set_clock_state(handle, dev_id, clk_id, 0, + return ti_sci_set_clock_state(handle, dev_id, clk_id, + MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE, MSG_CLOCK_SW_STATE_UNREQ); } @@ -1125,7 +1126,8 @@ static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle, static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle, u32 dev_id, u32 clk_id) { - return ti_sci_set_clock_state(handle, dev_id, clk_id, 0, + return ti_sci_set_clock_state(handle, dev_id, clk_id, + MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE, MSG_CLOCK_SW_STATE_AUTO); } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 4d29568be3f5..ac038572164d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -481,7 +481,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) mbox_flush(mtk_crtc->cmdq_client->chan, 2000); cmdq_handle = cmdq_pkt_create(mtk_crtc->cmdq_client, PAGE_SIZE); cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event); - cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event); + cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false); mtk_crtc_ddp_config(crtc, cmdq_handle); cmdq_pkt_finalize(cmdq_handle); cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle); diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index 834b35dc3b13..e07091d71986 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -13,6 +13,8 @@ #include <linux/pm.h> #include <linux/slab.h> +#include <soc/tegra/fuse.h> + #include <dt-bindings/mailbox/tegra186-hsp.h> #include "mailbox.h" @@ -322,7 +324,12 @@ static int tegra_hsp_doorbell_startup(struct mbox_chan *chan) if (!ccplex) return -ENODEV; - if (!tegra_hsp_doorbell_can_ring(db)) + /* + * On simulation platforms the BPMP hasn't had a chance yet to mark + * the doorbell as ringable by the CCPLEX, so we want to skip extra + * checks here. + */ + if (tegra_is_silicon() && !tegra_hsp_doorbell_can_ring(db)) return -ENODEV; spin_lock_irqsave(&hsp->lock, flags); diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index 2c79e95dd486..00e013b14703 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -32,8 +32,9 @@ config ARM_PL172_MPMC config ATMEL_SDRAMC bool "Atmel (Multi-port DDR-)SDRAM Controller" - default y - depends on ARCH_AT91 && OF + default y if ARCH_AT91 + depends on ARCH_AT91 || COMPILE_TEST + depends on OF help This driver is for Atmel SDRAM Controller or Atmel Multi-port DDR-SDRAM Controller available on Atmel AT91SAM9 and SAMA5 SoCs. @@ -42,8 +43,9 @@ config ATMEL_SDRAMC config ATMEL_EBI bool "Atmel EBI driver" - default y - depends on ARCH_AT91 && OF + default y if ARCH_AT91 + depends on ARCH_AT91 || COMPILE_TEST + depends on OF select MFD_SYSCON select MFD_ATMEL_SMC help @@ -52,6 +54,18 @@ config ATMEL_EBI tree is used. This bus supports NANDs, external ethernet controller, SRAMs, ATA devices, etc. +config BRCMSTB_DPFE + bool "Broadcom STB DPFE driver" if COMPILE_TEST + default y if ARCH_BRCMSTB + depends on ARCH_BRCMSTB || COMPILE_TEST + help + This driver provides access to the DPFE interface of Broadcom + STB SoCs. The firmware running on the DCPU inside the DDR PHY can + provide current information about the system's RAM, for instance + the DRAM refresh rate. This can be used as an indirect indicator + for the DRAM's temperature. Slower refresh rate means cooler RAM, + higher refresh rate means hotter RAM. + config BT1_L2_CTL bool "Baikal-T1 CM2 L2-RAM Cache Control Block" depends on MIPS_BAIKAL_T1 || COMPILE_TEST @@ -65,7 +79,8 @@ config BT1_L2_CTL config TI_AEMIF tristate "Texas Instruments AEMIF driver" - depends on (ARCH_DAVINCI || ARCH_KEYSTONE) && OF + depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST + depends on OF help This driver is for the AEMIF module available in Texas Instruments SoCs. AEMIF stands for Asynchronous External Memory Interface and @@ -76,7 +91,7 @@ config TI_AEMIF config TI_EMIF tristate "Texas Instruments EMIF driver" - depends on ARCH_OMAP2PLUS + depends on ARCH_OMAP2PLUS || COMPILE_TEST select DDR help This driver is for the EMIF module available in Texas Instruments @@ -88,7 +103,8 @@ config TI_EMIF temperature changes config OMAP_GPMC - bool + bool "Texas Instruments OMAP SoC GPMC driver" if COMPILE_TEST + depends on OF_ADDRESS select GPIOLIB help This driver is for the General Purpose Memory Controller (GPMC) @@ -112,7 +128,8 @@ config OMAP_GPMC_DEBUG config TI_EMIF_SRAM tristate "Texas Instruments EMIF SRAM driver" - depends on (SOC_AM33XX || SOC_AM43XX) && SRAM + depends on SOC_AM33XX || SOC_AM43XX || (ARM && COMPILE_TEST) + depends on SRAM help This driver is for the EMIF module available on Texas Instruments AM33XX and AM43XX SoCs and is required for PM. Certain parts of @@ -122,8 +139,9 @@ config TI_EMIF_SRAM config MVEBU_DEVBUS bool "Marvell EBU Device Bus Controller" - default y - depends on PLAT_ORION && OF + default y if PLAT_ORION + depends on PLAT_ORION || COMPILE_TEST + depends on OF help This driver is for the Device Bus controller available in some Marvell EBU SoCs such as Discovery (mv78xx0), Orion (88f5xxx) and @@ -132,7 +150,7 @@ config MVEBU_DEVBUS config FSL_CORENET_CF tristate "Freescale CoreNet Error Reporting" - depends on FSL_SOC_BOOKE + depends on FSL_SOC_BOOKE || COMPILE_TEST help Say Y for reporting of errors from the Freescale CoreNet Coherency Fabric. Errors reported include accesses to @@ -141,7 +159,7 @@ config FSL_CORENET_CF represents a coherency violation. config FSL_IFC - bool + bool "Freescale IFC driver" if COMPILE_TEST depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST depends on HAS_IOMEM @@ -155,7 +173,7 @@ config JZ4780_NEMC memory devices such as NAND and SRAM. config MTK_SMI - bool + bool "Mediatek SoC Memory Controller driver" if COMPILE_TEST depends on ARCH_MEDIATEK || COMPILE_TEST help This driver is for the Memory Controller module in MediaTek SoCs, @@ -164,7 +182,7 @@ config MTK_SMI config DA8XX_DDRCTL bool "Texas Instruments da8xx DDR2/mDDR driver" - depends on ARCH_DAVINCI_DA8XX + depends on ARCH_DAVINCI_DA8XX || COMPILE_TEST help This driver is for the DDR2/mDDR Memory Controller present on Texas Instruments da8xx SoCs. It's used to tweak various memory @@ -172,16 +190,16 @@ config DA8XX_DDRCTL config PL353_SMC tristate "ARM PL35X Static Memory Controller(SMC) driver" - default y + default y if ARM depends on ARM - depends on ARM_AMBA + depends on ARM_AMBA || COMPILE_TEST help This driver is for the ARM PL351/PL353 Static Memory Controller(SMC) module. config RENESAS_RPCIF tristate "Renesas RPC-IF driver" - depends on ARCH_RENESAS + depends on ARCH_RENESAS || COMPILE_TEST select REGMAP_MMIO help This supports Renesas R-Car Gen3 RPC-IF which provides either SPI diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile index b4533ffff2bc..e71cf7b99641 100644 --- a/drivers/memory/Makefile +++ b/drivers/memory/Makefile @@ -10,7 +10,7 @@ endif obj-$(CONFIG_ARM_PL172_MPMC) += pl172.o obj-$(CONFIG_ATMEL_SDRAMC) += atmel-sdramc.o obj-$(CONFIG_ATMEL_EBI) += atmel-ebi.o -obj-$(CONFIG_ARCH_BRCMSTB) += brcmstb_dpfe.o +obj-$(CONFIG_BRCMSTB_DPFE) += brcmstb_dpfe.o obj-$(CONFIG_BT1_L2_CTL) += bt1-l2-ctl.o obj-$(CONFIG_TI_AEMIF) += ti-aemif.o obj-$(CONFIG_TI_EMIF) += emif.o diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c index 60e8633b1175..f43ba69fbb3e 100644 --- a/drivers/memory/brcmstb_dpfe.c +++ b/drivers/memory/brcmstb_dpfe.c @@ -188,11 +188,6 @@ struct brcmstb_dpfe_priv { struct mutex lock; }; -static const char * const error_text[] = { - "Success", "Header code incorrect", "Unknown command or argument", - "Incorrect checksum", "Malformed command", "Timed out", -}; - /* * Forward declaration of our sysfs attribute functions, so we can declare the * attribute data structures early. @@ -307,6 +302,20 @@ static const struct dpfe_api dpfe_api_v3 = { }, }; +static const char *get_error_text(unsigned int i) +{ + static const char * const error_text[] = { + "Success", "Header code incorrect", + "Unknown command or argument", "Incorrect checksum", + "Malformed command", "Timed out", "Unknown error", + }; + + if (unlikely(i >= ARRAY_SIZE(error_text))) + i = ARRAY_SIZE(error_text) - 1; + + return error_text[i]; +} + static bool is_dcpu_enabled(struct brcmstb_dpfe_priv *priv) { u32 val; @@ -445,7 +454,7 @@ static int __send_command(struct brcmstb_dpfe_priv *priv, unsigned int cmd, } if (resp != 0) { mutex_unlock(&priv->lock); - return -ETIMEDOUT; + return -ffs(DCPU_RET_ERR_TIMEDOUT); } /* Compute checksum over the message */ @@ -647,8 +656,10 @@ static int brcmstb_dpfe_download_firmware(struct brcmstb_dpfe_priv *priv) return (ret == -ENOENT) ? -EPROBE_DEFER : ret; ret = __verify_firmware(&init, fw); - if (ret) - return -EFAULT; + if (ret) { + ret = -EFAULT; + goto release_fw; + } __disable_dcpu(priv); @@ -667,18 +678,20 @@ static int brcmstb_dpfe_download_firmware(struct brcmstb_dpfe_priv *priv) ret = __write_firmware(priv->dmem, dmem, dmem_size, is_big_endian); if (ret) - return ret; + goto release_fw; ret = __write_firmware(priv->imem, imem, imem_size, is_big_endian); if (ret) - return ret; + goto release_fw; ret = __verify_fw_checksum(&init, priv, header, init.chksum); if (ret) - return ret; + goto release_fw; __enable_dcpu(priv); - return 0; +release_fw: + release_firmware(fw); + return ret; } static ssize_t generic_show(unsigned int command, u32 response[], @@ -691,7 +704,7 @@ static ssize_t generic_show(unsigned int command, u32 response[], ret = __send_command(priv, command, response); if (ret < 0) - return sprintf(buf, "ERROR: %s\n", error_text[-ret]); + return sprintf(buf, "ERROR: %s\n", get_error_text(-ret)); return 0; } @@ -888,11 +901,8 @@ static int brcmstb_dpfe_probe(struct platform_device *pdev) } ret = brcmstb_dpfe_download_firmware(priv); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "Couldn't download firmware -- %d\n", ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "Couldn't download firmware\n"); ret = sysfs_create_groups(&pdev->dev.kobj, priv->dpfe_api->sysfs_attrs); if (!ret) diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c index bb6a71d26798..ddb1879f07d3 100644 --- a/drivers/memory/emif.c +++ b/drivers/memory/emif.c @@ -131,16 +131,7 @@ static int emif_regdump_show(struct seq_file *s, void *unused) return 0; } -static int emif_regdump_open(struct inode *inode, struct file *file) -{ - return single_open(file, emif_regdump_show, inode->i_private); -} - -static const struct file_operations emif_regdump_fops = { - .open = emif_regdump_open, - .read = seq_read, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(emif_regdump); static int emif_mr4_show(struct seq_file *s, void *unused) { @@ -150,48 +141,16 @@ static int emif_mr4_show(struct seq_file *s, void *unused) return 0; } -static int emif_mr4_open(struct inode *inode, struct file *file) -{ - return single_open(file, emif_mr4_show, inode->i_private); -} - -static const struct file_operations emif_mr4_fops = { - .open = emif_mr4_open, - .read = seq_read, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(emif_mr4); static int __init_or_module emif_debugfs_init(struct emif_data *emif) { - struct dentry *dentry; - int ret; - - dentry = debugfs_create_dir(dev_name(emif->dev), NULL); - if (!dentry) { - ret = -ENOMEM; - goto err0; - } - emif->debugfs_root = dentry; - - dentry = debugfs_create_file("regcache_dump", S_IRUGO, - emif->debugfs_root, emif, &emif_regdump_fops); - if (!dentry) { - ret = -ENOMEM; - goto err1; - } - - dentry = debugfs_create_file("mr4", S_IRUGO, - emif->debugfs_root, emif, &emif_mr4_fops); - if (!dentry) { - ret = -ENOMEM; - goto err1; - } - + emif->debugfs_root = debugfs_create_dir(dev_name(emif->dev), NULL); + debugfs_create_file("regcache_dump", S_IRUGO, emif->debugfs_root, emif, + &emif_regdump_fops); + debugfs_create_file("mr4", S_IRUGO, emif->debugfs_root, emif, + &emif_mr4_fops); return 0; -err1: - debugfs_remove_recursive(emif->debugfs_root); -err0: - return ret; } static void __exit emif_debugfs_exit(struct emif_data *emif) diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c index 0b0ed72016da..0309bd5a1800 100644 --- a/drivers/memory/fsl-corenet-cf.c +++ b/drivers/memory/fsl-corenet-cf.c @@ -211,10 +211,8 @@ static int ccf_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, ccf); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "%s: no irq\n", __func__); - return -ENXIO; - } + if (irq < 0) + return irq; ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf); if (ret) { diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index c21262502581..691e4c344cf8 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -19,6 +19,9 @@ /* mt8173 */ #define SMI_LARB_MMU_EN 0xf00 +/* mt8167 */ +#define MT8167_SMI_LARB_MMU_EN 0xfc0 + /* mt2701 */ #define REG_SMI_SECUR_CON_BASE 0x5c0 @@ -179,6 +182,13 @@ static void mtk_smi_larb_config_port_mt8173(struct device *dev) writel(*larb->mmu, larb->base + SMI_LARB_MMU_EN); } +static void mtk_smi_larb_config_port_mt8167(struct device *dev) +{ + struct mtk_smi_larb *larb = dev_get_drvdata(dev); + + writel(*larb->mmu, larb->base + MT8167_SMI_LARB_MMU_EN); +} + static void mtk_smi_larb_config_port_gen1(struct device *dev) { struct mtk_smi_larb *larb = dev_get_drvdata(dev); @@ -226,6 +236,11 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8173 = { .config_port = mtk_smi_larb_config_port_mt8173, }; +static const struct mtk_smi_larb_gen mtk_smi_larb_mt8167 = { + /* mt8167 do not need the port in larb */ + .config_port = mtk_smi_larb_config_port_mt8167, +}; + static const struct mtk_smi_larb_gen mtk_smi_larb_mt2701 = { .port_in_larb = { LARB0_PORT_OFFSET, LARB1_PORT_OFFSET, @@ -255,6 +270,10 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8183 = { static const struct of_device_id mtk_smi_larb_of_ids[] = { { + .compatible = "mediatek,mt8167-smi-larb", + .data = &mtk_smi_larb_mt8167 + }, + { .compatible = "mediatek,mt8173-smi-larb", .data = &mtk_smi_larb_mt8173 }, @@ -419,6 +438,10 @@ static const struct of_device_id mtk_smi_common_of_ids[] = { .data = &mtk_smi_common_gen2, }, { + .compatible = "mediatek,mt8167-smi-common", + .data = &mtk_smi_common_gen2, + }, + { .compatible = "mediatek,mt2701-smi-common", .data = &mtk_smi_common_gen1, }, diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index ca0097664b12..cfa730cfd145 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -33,8 +33,6 @@ #include <linux/platform_data/mtd-nand-omap2.h> -#include <asm/mach-types.h> - #define DEVICE_NAME "omap-gpmc" /* GPMC register offsets */ @@ -245,7 +243,6 @@ static DEFINE_SPINLOCK(gpmc_mem_lock); /* Define chip-selects as reserved by default until probe completes */ static unsigned int gpmc_cs_num = GPMC_CS_NUM; static unsigned int gpmc_nr_waitpins; -static resource_size_t phys_base, mem_size; static unsigned int gpmc_capability; static void __iomem *gpmc_base; @@ -634,14 +631,6 @@ static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, int max return 0; } -#define GPMC_SET_ONE_CD_MAX(reg, st, end, max, field, cd) \ - if (set_gpmc_timing_reg(cs, (reg), (st), (end), (max), \ - t->field, (cd), #field) < 0) \ - return -1 - -#define GPMC_SET_ONE(reg, st, end, field) \ - GPMC_SET_ONE_CD_MAX(reg, st, end, 0, field, GPMC_CD_FCLK) - /** * gpmc_calc_waitmonitoring_divider - calculate proper GPMCFCLKDIVIDER based on WAITMONITORINGTIME * WAITMONITORINGTIME will be _at least_ as long as desired, i.e. @@ -700,12 +689,12 @@ int gpmc_calc_divider(unsigned int sync_clk) int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, const struct gpmc_settings *s) { - int div; + int div, ret; u32 l; div = gpmc_calc_divider(t->sync_clk); if (div < 0) - return div; + return -EINVAL; /* * See if we need to change the divider for waitmonitoringtime. @@ -729,57 +718,114 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, __func__, t->wait_monitoring ); - return -1; + return -ENXIO; } } - GPMC_SET_ONE(GPMC_CS_CONFIG2, 0, 3, cs_on); - GPMC_SET_ONE(GPMC_CS_CONFIG2, 8, 12, cs_rd_off); - GPMC_SET_ONE(GPMC_CS_CONFIG2, 16, 20, cs_wr_off); + ret = 0; + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG2, 0, 3, 0, t->cs_on, + GPMC_CD_FCLK, "cs_on"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG2, 8, 12, 0, t->cs_rd_off, + GPMC_CD_FCLK, "cs_rd_off"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG2, 16, 20, 0, t->cs_wr_off, + GPMC_CD_FCLK, "cs_wr_off"); + if (ret) + return -ENXIO; + + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 0, 3, 0, t->adv_on, + GPMC_CD_FCLK, "adv_on"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 8, 12, 0, t->adv_rd_off, + GPMC_CD_FCLK, "adv_rd_off"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 16, 20, 0, t->adv_wr_off, + GPMC_CD_FCLK, "adv_wr_off"); + if (ret) + return -ENXIO; - GPMC_SET_ONE(GPMC_CS_CONFIG3, 0, 3, adv_on); - GPMC_SET_ONE(GPMC_CS_CONFIG3, 8, 12, adv_rd_off); - GPMC_SET_ONE(GPMC_CS_CONFIG3, 16, 20, adv_wr_off); if (gpmc_capability & GPMC_HAS_MUX_AAD) { - GPMC_SET_ONE(GPMC_CS_CONFIG3, 4, 6, adv_aad_mux_on); - GPMC_SET_ONE(GPMC_CS_CONFIG3, 24, 26, adv_aad_mux_rd_off); - GPMC_SET_ONE(GPMC_CS_CONFIG3, 28, 30, adv_aad_mux_wr_off); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 4, 6, 0, + t->adv_aad_mux_on, GPMC_CD_FCLK, + "adv_aad_mux_on"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 24, 26, 0, + t->adv_aad_mux_rd_off, GPMC_CD_FCLK, + "adv_aad_mux_rd_off"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG3, 28, 30, 0, + t->adv_aad_mux_wr_off, GPMC_CD_FCLK, + "adv_aad_mux_wr_off"); + if (ret) + return -ENXIO; } - GPMC_SET_ONE(GPMC_CS_CONFIG4, 0, 3, oe_on); - GPMC_SET_ONE(GPMC_CS_CONFIG4, 8, 12, oe_off); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 0, 3, 0, t->oe_on, + GPMC_CD_FCLK, "oe_on"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 8, 12, 0, t->oe_off, + GPMC_CD_FCLK, "oe_off"); if (gpmc_capability & GPMC_HAS_MUX_AAD) { - GPMC_SET_ONE(GPMC_CS_CONFIG4, 4, 6, oe_aad_mux_on); - GPMC_SET_ONE(GPMC_CS_CONFIG4, 13, 15, oe_aad_mux_off); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 4, 6, 0, + t->oe_aad_mux_on, GPMC_CD_FCLK, + "oe_aad_mux_on"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 13, 15, 0, + t->oe_aad_mux_off, GPMC_CD_FCLK, + "oe_aad_mux_off"); + } + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 16, 19, 0, t->we_on, + GPMC_CD_FCLK, "we_on"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG4, 24, 28, 0, t->we_off, + GPMC_CD_FCLK, "we_off"); + if (ret) + return -ENXIO; + + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 0, 4, 0, t->rd_cycle, + GPMC_CD_FCLK, "rd_cycle"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 8, 12, 0, t->wr_cycle, + GPMC_CD_FCLK, "wr_cycle"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 16, 20, 0, t->access, + GPMC_CD_FCLK, "access"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG5, 24, 27, 0, + t->page_burst_access, GPMC_CD_FCLK, + "page_burst_access"); + if (ret) + return -ENXIO; + + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 0, 3, 0, + t->bus_turnaround, GPMC_CD_FCLK, + "bus_turnaround"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 8, 11, 0, + t->cycle2cycle_delay, GPMC_CD_FCLK, + "cycle2cycle_delay"); + if (ret) + return -ENXIO; + + if (gpmc_capability & GPMC_HAS_WR_DATA_MUX_BUS) { + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 16, 19, 0, + t->wr_data_mux_bus, GPMC_CD_FCLK, + "wr_data_mux_bus"); + if (ret) + return -ENXIO; + } + if (gpmc_capability & GPMC_HAS_WR_ACCESS) { + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG6, 24, 28, 0, + t->wr_access, GPMC_CD_FCLK, + "wr_access"); + if (ret) + return -ENXIO; } - GPMC_SET_ONE(GPMC_CS_CONFIG4, 16, 19, we_on); - GPMC_SET_ONE(GPMC_CS_CONFIG4, 24, 28, we_off); - - GPMC_SET_ONE(GPMC_CS_CONFIG5, 0, 4, rd_cycle); - GPMC_SET_ONE(GPMC_CS_CONFIG5, 8, 12, wr_cycle); - GPMC_SET_ONE(GPMC_CS_CONFIG5, 16, 20, access); - - GPMC_SET_ONE(GPMC_CS_CONFIG5, 24, 27, page_burst_access); - - GPMC_SET_ONE(GPMC_CS_CONFIG6, 0, 3, bus_turnaround); - GPMC_SET_ONE(GPMC_CS_CONFIG6, 8, 11, cycle2cycle_delay); - - if (gpmc_capability & GPMC_HAS_WR_DATA_MUX_BUS) - GPMC_SET_ONE(GPMC_CS_CONFIG6, 16, 19, wr_data_mux_bus); - if (gpmc_capability & GPMC_HAS_WR_ACCESS) - GPMC_SET_ONE(GPMC_CS_CONFIG6, 24, 28, wr_access); l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); l &= ~0x03; l |= (div - 1); gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, l); - GPMC_SET_ONE_CD_MAX(GPMC_CS_CONFIG1, 18, 19, - GPMC_CONFIG1_WAITMONITORINGTIME_MAX, - wait_monitoring, GPMC_CD_CLK); - GPMC_SET_ONE_CD_MAX(GPMC_CS_CONFIG1, 25, 26, - GPMC_CONFIG1_CLKACTIVATIONTIME_MAX, - clk_activation, GPMC_CD_FCLK); + ret = 0; + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG1, 18, 19, + GPMC_CONFIG1_WAITMONITORINGTIME_MAX, + t->wait_monitoring, GPMC_CD_CLK, + "wait_monitoring"); + ret |= set_gpmc_timing_reg(cs, GPMC_CS_CONFIG1, 25, 26, + GPMC_CONFIG1_CLKACTIVATIONTIME_MAX, + t->clk_activation, GPMC_CD_FCLK, + "clk_activation"); + if (ret) + return -ENXIO; #ifdef CONFIG_OMAP_GPMC_DEBUG pr_info("GPMC CS%d CLK period is %lu ns (div %d)\n", @@ -870,20 +916,6 @@ static bool gpmc_cs_reserved(int cs) return gpmc->flags & GPMC_CS_RESERVED; } -static void gpmc_cs_set_name(int cs, const char *name) -{ - struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; - - gpmc->name = name; -} - -static const char *gpmc_cs_get_name(int cs) -{ - struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; - - return gpmc->name; -} - static unsigned long gpmc_mem_align(unsigned long size) { int order; @@ -929,56 +961,13 @@ static int gpmc_cs_delete_mem(int cs) return r; } -/** - * gpmc_cs_remap - remaps a chip-select physical base address - * @cs: chip-select to remap - * @base: physical base address to re-map chip-select to - * - * Re-maps a chip-select to a new physical base address specified by - * "base". Returns 0 on success and appropriate negative error code - * on failure. - */ -static int gpmc_cs_remap(int cs, u32 base) -{ - int ret; - u32 old_base, size; - - if (cs > gpmc_cs_num) { - pr_err("%s: requested chip-select is disabled\n", __func__); - return -ENODEV; - } - - /* - * Make sure we ignore any device offsets from the GPMC partition - * allocated for the chip select and that the new base confirms - * to the GPMC 16MB minimum granularity. - */ - base &= ~(SZ_16M - 1); - - gpmc_cs_get_memconf(cs, &old_base, &size); - if (base == old_base) - return 0; - - ret = gpmc_cs_delete_mem(cs); - if (ret < 0) - return ret; - - ret = gpmc_cs_insert_mem(cs, base, size); - if (ret < 0) - return ret; - - ret = gpmc_cs_set_memconf(cs, base, size); - - return ret; -} - int gpmc_cs_request(int cs, unsigned long size, unsigned long *base) { struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; struct resource *res = &gpmc->mem; int r = -1; - if (cs > gpmc_cs_num) { + if (cs >= gpmc_cs_num) { pr_err("%s: requested chip-select is disabled\n", __func__); return -ENODEV; } @@ -1025,8 +1014,7 @@ void gpmc_cs_free(int cs) spin_lock(&gpmc_mem_lock); if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) { - printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs); - BUG(); + WARN(1, "Trying to free non-reserved GPMC CS%d\n", cs); spin_unlock(&gpmc_mem_lock); return; } @@ -1896,6 +1884,63 @@ static const struct of_device_id gpmc_dt_ids[] = { { } }; +static void gpmc_cs_set_name(int cs, const char *name) +{ + struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; + + gpmc->name = name; +} + +static const char *gpmc_cs_get_name(int cs) +{ + struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; + + return gpmc->name; +} + +/** + * gpmc_cs_remap - remaps a chip-select physical base address + * @cs: chip-select to remap + * @base: physical base address to re-map chip-select to + * + * Re-maps a chip-select to a new physical base address specified by + * "base". Returns 0 on success and appropriate negative error code + * on failure. + */ +static int gpmc_cs_remap(int cs, u32 base) +{ + int ret; + u32 old_base, size; + + if (cs >= gpmc_cs_num) { + pr_err("%s: requested chip-select is disabled\n", __func__); + return -ENODEV; + } + + /* + * Make sure we ignore any device offsets from the GPMC partition + * allocated for the chip select and that the new base confirms + * to the GPMC 16MB minimum granularity. + */ + base &= ~(SZ_16M - 1); + + gpmc_cs_get_memconf(cs, &old_base, &size); + if (base == old_base) + return 0; + + ret = gpmc_cs_delete_mem(cs); + if (ret < 0) + return ret; + + ret = gpmc_cs_insert_mem(cs, base, size); + if (ret < 0) + return ret; + + ret = gpmc_cs_set_memconf(cs, base, size); + + return ret; +} + /** * gpmc_read_settings_dt - read gpmc settings from device-tree * @np: pointer to device-tree node for a gpmc child device @@ -2265,6 +2310,10 @@ static void gpmc_probe_dt_children(struct platform_device *pdev) } } #else +void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p) +{ + memset(p, 0, sizeof(*p)); +} static int gpmc_probe_dt(struct platform_device *pdev) { return 0; @@ -2347,12 +2396,9 @@ static int gpmc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gpmc); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) + if (!res) return -ENOENT; - phys_base = res->start; - mem_size = resource_size(res); - gpmc_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(gpmc_base)) return PTR_ERR(gpmc_base); diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 88f51ec8f1d1..f2a33a1af836 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -199,10 +199,8 @@ int rpcif_sw_init(struct rpcif *rpc, struct device *dev) rpc->dirmap = NULL; rpc->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); - if (IS_ERR(rpc->rstc)) - return PTR_ERR(rpc->rstc); - return 0; + return PTR_ERR_OR_ZERO(rpc->rstc); } EXPORT_SYMBOL(rpcif_sw_init); diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 714d1f6f077c..c5ee4121a4d2 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -98,6 +98,8 @@ MODULE_PARM_DESC(irqmode, "Enable IRQ mode (0=off [default], 1=on)"); /** * struct dmc_opp_table - Operating level desciption + * @freq_hz: target frequency in Hz + * @volt_uv: target voltage in uV * * Covers frequency and voltage settings of the DMC operating mode. */ @@ -108,6 +110,41 @@ struct dmc_opp_table { /** * struct exynos5_dmc - main structure describing DMC device + * @dev: DMC device + * @df: devfreq device structure returned by devfreq framework + * @gov_data: configuration of devfreq governor + * @base_drexi0: DREX0 registers mapping + * @base_drexi1: DREX1 registers mapping + * @clk_regmap: regmap for clock controller registers + * @lock: protects curr_rate and frequency/voltage setting section + * @curr_rate: current frequency + * @curr_volt: current voltage + * @opp: OPP table + * @opp_count: number of 'opp' elements + * @timings_arr_size: number of 'timings' elements + * @timing_row: values for timing row register, for each OPP + * @timing_data: values for timing data register, for each OPP + * @timing_power: balues for timing power register, for each OPP + * @timings: DDR memory timings, from device tree + * @min_tck: DDR memory minimum timing values, from device tree + * @bypass_timing_row: value for timing row register for bypass timings + * @bypass_timing_data: value for timing data register for bypass timings + * @bypass_timing_power: value for timing power register for bypass + * timings + * @vdd_mif: Memory interface regulator + * @fout_spll: clock: SPLL + * @fout_bpll: clock: BPLL + * @mout_spll: clock: mux SPLL + * @mout_bpll: clock: mux BPLL + * @mout_mclk_cdrex: clock: mux mclk_cdrex + * @mout_mx_mspll_ccore: clock: mux mx_mspll_ccore + * @counter: devfreq events + * @num_counters: number of 'counter' elements + * @last_overflow_ts: time (in ns) of last overflow of each DREX + * @load: utilization in percents + * @total: total time between devfreq events + * @in_irq_mode: whether running in interrupt mode (true) + * or polling (false) * * The main structure for the Dynamic Memory Controller which covers clocks, * memory regions, HW information, parameters and current operating mode. @@ -119,12 +156,11 @@ struct exynos5_dmc { void __iomem *base_drexi0; void __iomem *base_drexi1; struct regmap *clk_regmap; + /* Protects curr_rate and frequency/voltage setting section */ struct mutex lock; unsigned long curr_rate; unsigned long curr_volt; - unsigned long bypass_rate; struct dmc_opp_table *opp; - struct dmc_opp_table opp_bypass; int opp_count; u32 timings_arr_size; u32 *timing_row; @@ -142,8 +178,6 @@ struct exynos5_dmc { struct clk *mout_bpll; struct clk *mout_mclk_cdrex; struct clk *mout_mx_mspll_ccore; - struct clk *mx_mspll_ccore_phy; - struct clk *mout_mx_mspll_ccore_phy; struct devfreq_event_dev **counter; int num_counters; u64 last_overflow_ts[2]; @@ -169,7 +203,7 @@ struct timing_reg { unsigned int val; }; -static const struct timing_reg timing_row[] = { +static const struct timing_reg timing_row_reg_fields[] = { TIMING_FIELD("tRFC", 24, 31), TIMING_FIELD("tRRD", 20, 23), TIMING_FIELD("tRP", 16, 19), @@ -178,7 +212,7 @@ static const struct timing_reg timing_row[] = { TIMING_FIELD("tRAS", 0, 5), }; -static const struct timing_reg timing_data[] = { +static const struct timing_reg timing_data_reg_fields[] = { TIMING_FIELD("tWTR", 28, 31), TIMING_FIELD("tWR", 24, 27), TIMING_FIELD("tRTP", 20, 23), @@ -189,7 +223,7 @@ static const struct timing_reg timing_data[] = { TIMING_FIELD("RL", 0, 3), }; -static const struct timing_reg timing_power[] = { +static const struct timing_reg timing_power_reg_fields[] = { TIMING_FIELD("tFAW", 26, 31), TIMING_FIELD("tXSR", 16, 25), TIMING_FIELD("tXP", 8, 15), @@ -197,8 +231,9 @@ static const struct timing_reg timing_power[] = { TIMING_FIELD("tMRD", 0, 3), }; -#define TIMING_COUNT (ARRAY_SIZE(timing_row) + ARRAY_SIZE(timing_data) + \ - ARRAY_SIZE(timing_power)) +#define TIMING_COUNT (ARRAY_SIZE(timing_row_reg_fields) + \ + ARRAY_SIZE(timing_data_reg_fields) + \ + ARRAY_SIZE(timing_power_reg_fields)) static int exynos5_counters_set_event(struct exynos5_dmc *dmc) { @@ -346,7 +381,6 @@ err_opp: /** * exynos5_set_bypass_dram_timings() - Low-level changes of the DRAM timings * @dmc: device for which the new settings is going to be applied - * @param: DRAM parameters which passes timing data * * Low-level function for changing timings for DRAM memory clocking from * 'bypass' clock source (fixed frequency @400MHz). @@ -453,9 +487,6 @@ static int exynos5_dmc_align_bypass_voltage(struct exynos5_dmc *dmc, unsigned long target_volt) { int ret = 0; - unsigned long bypass_volt = dmc->opp_bypass.volt_uv; - - target_volt = max(bypass_volt, target_volt); if (dmc->curr_volt >= target_volt) return 0; @@ -617,6 +648,7 @@ disable_clocks: * requested * @target_volt: returned voltage which corresponds to the returned * frequency + * @flags: devfreq flags provided for this frequency change request * * Function gets requested frequency and checks OPP framework for needed * frequency and voltage. It populates the values 'target_rate' and @@ -908,7 +940,10 @@ static int exynos5_dmc_get_status(struct device *dev, int ret; if (dmc->in_irq_mode) { + mutex_lock(&dmc->lock); stat->current_frequency = dmc->curr_rate; + mutex_unlock(&dmc->lock); + stat->busy_time = dmc->load; stat->total_time = dmc->total; } else { @@ -950,7 +985,7 @@ static int exynos5_dmc_get_cur_freq(struct device *dev, unsigned long *freq) return 0; } -/** +/* * exynos5_dmc_df_profile - Devfreq governor's profile structure * * It provides to the devfreq framework needed functions and polling period. @@ -993,7 +1028,9 @@ exynos5_dmc_align_init_freq(struct exynos5_dmc *dmc, /** * create_timings_aligned() - Create register values and align with standard * @dmc: device for which the frequency is going to be set - * @idx: speed bin in the OPP table + * @reg_timing_row: array to fill with values for timing row register + * @reg_timing_data: array to fill with values for timing data register + * @reg_timing_power: array to fill with values for timing power register * @clk_period_ps: the period of the clock, known as tCK * * The function calculates timings and creates a register value ready for @@ -1018,117 +1055,117 @@ static int create_timings_aligned(struct exynos5_dmc *dmc, u32 *reg_timing_row, val = dmc->timings->tRFC / clk_period_ps; val += dmc->timings->tRFC % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRFC); - reg = &timing_row[0]; + reg = &timing_row_reg_fields[0]; *reg_timing_row |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRRD / clk_period_ps; val += dmc->timings->tRRD % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRRD); - reg = &timing_row[1]; + reg = &timing_row_reg_fields[1]; *reg_timing_row |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRPab / clk_period_ps; val += dmc->timings->tRPab % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRPab); - reg = &timing_row[2]; + reg = &timing_row_reg_fields[2]; *reg_timing_row |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRCD / clk_period_ps; val += dmc->timings->tRCD % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRCD); - reg = &timing_row[3]; + reg = &timing_row_reg_fields[3]; *reg_timing_row |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRC / clk_period_ps; val += dmc->timings->tRC % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRC); - reg = &timing_row[4]; + reg = &timing_row_reg_fields[4]; *reg_timing_row |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRAS / clk_period_ps; val += dmc->timings->tRAS % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRAS); - reg = &timing_row[5]; + reg = &timing_row_reg_fields[5]; *reg_timing_row |= TIMING_VAL2REG(reg, val); /* data related timings */ val = dmc->timings->tWTR / clk_period_ps; val += dmc->timings->tWTR % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tWTR); - reg = &timing_data[0]; + reg = &timing_data_reg_fields[0]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tWR / clk_period_ps; val += dmc->timings->tWR % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tWR); - reg = &timing_data[1]; + reg = &timing_data_reg_fields[1]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRTP / clk_period_ps; val += dmc->timings->tRTP % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRTP); - reg = &timing_data[2]; + reg = &timing_data_reg_fields[2]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tW2W_C2C / clk_period_ps; val += dmc->timings->tW2W_C2C % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tW2W_C2C); - reg = &timing_data[3]; + reg = &timing_data_reg_fields[3]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tR2R_C2C / clk_period_ps; val += dmc->timings->tR2R_C2C % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tR2R_C2C); - reg = &timing_data[4]; + reg = &timing_data_reg_fields[4]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tWL / clk_period_ps; val += dmc->timings->tWL % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tWL); - reg = &timing_data[5]; + reg = &timing_data_reg_fields[5]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tDQSCK / clk_period_ps; val += dmc->timings->tDQSCK % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tDQSCK); - reg = &timing_data[6]; + reg = &timing_data_reg_fields[6]; *reg_timing_data |= TIMING_VAL2REG(reg, val); val = dmc->timings->tRL / clk_period_ps; val += dmc->timings->tRL % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tRL); - reg = &timing_data[7]; + reg = &timing_data_reg_fields[7]; *reg_timing_data |= TIMING_VAL2REG(reg, val); /* power related timings */ val = dmc->timings->tFAW / clk_period_ps; val += dmc->timings->tFAW % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tFAW); - reg = &timing_power[0]; + reg = &timing_power_reg_fields[0]; *reg_timing_power |= TIMING_VAL2REG(reg, val); val = dmc->timings->tXSR / clk_period_ps; val += dmc->timings->tXSR % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tXSR); - reg = &timing_power[1]; + reg = &timing_power_reg_fields[1]; *reg_timing_power |= TIMING_VAL2REG(reg, val); val = dmc->timings->tXP / clk_period_ps; val += dmc->timings->tXP % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tXP); - reg = &timing_power[2]; + reg = &timing_power_reg_fields[2]; *reg_timing_power |= TIMING_VAL2REG(reg, val); val = dmc->timings->tCKE / clk_period_ps; val += dmc->timings->tCKE % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tCKE); - reg = &timing_power[3]; + reg = &timing_power_reg_fields[3]; *reg_timing_power |= TIMING_VAL2REG(reg, val); val = dmc->timings->tMRD / clk_period_ps; val += dmc->timings->tMRD % clk_period_ps ? 1 : 0; val = max(val, dmc->min_tck->tMRD); - reg = &timing_power[4]; + reg = &timing_power_reg_fields[4]; *reg_timing_power |= TIMING_VAL2REG(reg, val); return 0; @@ -1263,8 +1300,6 @@ static int exynos5_dmc_init_clks(struct exynos5_dmc *dmc) clk_set_parent(dmc->mout_mx_mspll_ccore, dmc->mout_spll); - dmc->bypass_rate = clk_get_rate(dmc->mout_mx_mspll_ccore); - clk_prepare_enable(dmc->fout_bpll); clk_prepare_enable(dmc->mout_bpll); @@ -1332,7 +1367,6 @@ static int exynos5_performance_counters_init(struct exynos5_dmc *dmc) /** * exynos5_dmc_set_pause_on_switching() - Controls a pause feature in DMC * @dmc: device which is used for changing this feature - * @set: a boolean state passing enable/disable request * * There is a need of pausing DREX DMC when divider or MUX in clock tree * changes its configuration. In such situation access to the memory is blocked diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index ba5cb1f4dfc2..76ace42a688a 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -1060,19 +1060,7 @@ static int tegra_emc_debug_available_rates_show(struct seq_file *s, return 0; } -static int tegra_emc_debug_available_rates_open(struct inode *inode, - struct file *file) -{ - return single_open(file, tegra_emc_debug_available_rates_show, - inode->i_private); -} - -static const struct file_operations tegra_emc_debug_available_rates_fops = { - .open = tegra_emc_debug_available_rates_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(tegra_emc_debug_available_rates); static int tegra_emc_debug_min_rate_get(void *data, u64 *rate) { diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c index 493b5dc3a4b3..0cede24479bf 100644 --- a/drivers/memory/tegra/tegra124.c +++ b/drivers/memory/tegra/tegra124.c @@ -957,7 +957,6 @@ static const struct tegra_smmu_swgroup tegra124_swgroups[] = { static const unsigned int tegra124_group_drm[] = { TEGRA_SWGROUP_DC, TEGRA_SWGROUP_DCB, - TEGRA_SWGROUP_GPU, TEGRA_SWGROUP_VIC, }; diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c index 8478f59db432..fa8af17b0e2d 100644 --- a/drivers/memory/tegra/tegra186-emc.c +++ b/drivers/memory/tegra/tegra186-emc.c @@ -172,14 +172,8 @@ static int tegra186_emc_probe(struct platform_device *pdev) return -ENOMEM; emc->bpmp = tegra_bpmp_get(&pdev->dev); - if (IS_ERR(emc->bpmp)) { - err = PTR_ERR(emc->bpmp); - - if (err != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to get BPMP: %d\n", err); - - return err; - } + if (IS_ERR(emc->bpmp)) + return dev_err_probe(&pdev->dev, PTR_ERR(emc->bpmp), "failed to get BPMP\n"); emc->clk = devm_clk_get(&pdev->dev, "emc"); if (IS_ERR(emc->clk)) { diff --git a/drivers/memory/tegra/tegra210-emc-cc-r21021.c b/drivers/memory/tegra/tegra210-emc-cc-r21021.c index ff55a17896fa..0ebfa8eccf0c 100644 --- a/drivers/memory/tegra/tegra210-emc-cc-r21021.c +++ b/drivers/memory/tegra/tegra210-emc-cc-r21021.c @@ -501,7 +501,6 @@ static u32 tegra210_emc_r21021_periodic_compensation(struct tegra210_emc *emc) emc_cfg_o = emc_readl(emc, EMC_CFG); emc_cfg = emc_cfg_o & ~(EMC_CFG_DYN_SELF_REF | EMC_CFG_DRAM_ACPD | - EMC_CFG_DRAM_CLKSTOP_PD | EMC_CFG_DRAM_CLKSTOP_PD); @@ -1044,7 +1043,7 @@ static void tegra210_emc_r21021_set_clock(struct tegra210_emc *emc, u32 clksrc) !opt_cc_short_zcal && opt_short_zcal) { value = (value & ~(EMC_ZCAL_WAIT_CNT_ZCAL_WAIT_CNT_MASK << EMC_ZCAL_WAIT_CNT_ZCAL_WAIT_CNT_SHIFT)) | - ((zq_wait_long & EMC_ZCAL_WAIT_CNT_ZCAL_WAIT_CNT_MASK) << + ((zq_wait_long & EMC_ZCAL_WAIT_CNT_ZCAL_WAIT_CNT_MASK) << EMC_MRS_WAIT_CNT_SHORT_WAIT_SHIFT); } else if (offset == EMC_ZCAL_INTERVAL && opt_zcal_en_cc) { value = 0; /* EMC_ZCAL_INTERVAL reset value. */ diff --git a/drivers/memory/tegra/tegra210.c b/drivers/memory/tegra/tegra210.c index 7212d1d7b348..7fb8b5438bf4 100644 --- a/drivers/memory/tegra/tegra210.c +++ b/drivers/memory/tegra/tegra210.c @@ -842,7 +842,7 @@ static const struct tegra_mc_client tegra210_mc_clients[] = { }, .la = { .reg = 0x3dc, - .shift = 0, + .shift = 16, .mask = 0xff, .def = 0x80, }, diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 97e848740e13..07d162b179fc 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -65,9 +65,10 @@ config RESET_HSDK This enables the reset controller driver for HSDK board. config RESET_IMX7 - bool "i.MX7/8 Reset Driver" if COMPILE_TEST + tristate "i.MX7/8 Reset Driver" depends on HAS_IOMEM - default SOC_IMX7D || (ARM64 && ARCH_MXC) + depends on SOC_IMX7D || (ARM64 && ARCH_MXC) || COMPILE_TEST + default y if SOC_IMX7D select MFD_SYSCON help This enables the reset controller driver for i.MX7 SoCs. diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 01c0c7aa835c..a2df88e90011 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -32,7 +32,8 @@ static LIST_HEAD(reset_lookup_list); * @refcnt: Number of gets of this reset_control * @acquired: Only one reset_control may be acquired for a given rcdev and id. * @shared: Is this a shared (1), or an exclusive (0) reset_control? - * @deassert_cnt: Number of times this reset line has been deasserted + * @array: Is this an array of reset controls (1)? + * @deassert_count: Number of times this reset line has been deasserted * @triggered_count: Number of times this reset line has been reset. Currently * only used for shared resets, which means that the value * will be either 0 or 1. diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c index e8aa8691deb2..185a333df66c 100644 --- a/drivers/reset/reset-imx7.c +++ b/drivers/reset/reset-imx7.c @@ -8,7 +8,7 @@ */ #include <linux/mfd/syscon.h> -#include <linux/mod_devicetable.h> +#include <linux/module.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/reset-controller.h> @@ -178,6 +178,9 @@ static const struct imx7_src_signal imx8mq_src_signals[IMX8MQ_RESET_NUM] = { [IMX8MQ_RESET_A53_SOC_DBG_RESET] = { SRC_A53RCR0, BIT(20) }, [IMX8MQ_RESET_A53_L2RESET] = { SRC_A53RCR0, BIT(21) }, [IMX8MQ_RESET_SW_NON_SCLR_M4C_RST] = { SRC_M4RCR, BIT(0) }, + [IMX8MQ_RESET_SW_M4C_RST] = { SRC_M4RCR, BIT(1) }, + [IMX8MQ_RESET_SW_M4P_RST] = { SRC_M4RCR, BIT(2) }, + [IMX8MQ_RESET_M4_ENABLE] = { SRC_M4RCR, BIT(3) }, [IMX8MQ_RESET_OTG1_PHY_RESET] = { SRC_USBOPHY1_RCR, BIT(0) }, [IMX8MQ_RESET_OTG2_PHY_RESET] = { SRC_USBOPHY2_RCR, BIT(0) }, [IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N] = { SRC_MIPIPHY_RCR, BIT(1) }, @@ -238,6 +241,7 @@ static int imx8mq_reset_set(struct reset_controller_dev *rcdev, case IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N: case IMX8MQ_RESET_MIPI_DSI_RESET_N: case IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N: + case IMX8MQ_RESET_M4_ENABLE: value = assert ? 0 : bit; break; } @@ -386,6 +390,7 @@ static const struct of_device_id imx7_reset_dt_ids[] = { { .compatible = "fsl,imx8mp-src", .data = &variant_imx8mp }, { /* sentinel */ }, }; +MODULE_DEVICE_TABLE(of, imx7_reset_dt_ids); static struct platform_driver imx7_reset_driver = { .probe = imx7_reset_probe, @@ -394,4 +399,8 @@ static struct platform_driver imx7_reset_driver = { .of_match_table = imx7_reset_dt_ids, }, }; -builtin_platform_driver(imx7_reset_driver); +module_platform_driver(imx7_reset_driver); + +MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>"); +MODULE_DESCRIPTION("NXP i.MX7 reset driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/reset/reset-zynqmp.c b/drivers/reset/reset-zynqmp.c index 373ea8d4f7a1..ebd433fa09dd 100644 --- a/drivers/reset/reset-zynqmp.c +++ b/drivers/reset/reset-zynqmp.c @@ -9,12 +9,20 @@ #include <linux/platform_device.h> #include <linux/reset-controller.h> #include <linux/firmware/xlnx-zynqmp.h> +#include <linux/of_device.h> #define ZYNQMP_NR_RESETS (ZYNQMP_PM_RESET_END - ZYNQMP_PM_RESET_START) #define ZYNQMP_RESET_ID ZYNQMP_PM_RESET_START +#define VERSAL_NR_RESETS 95 + +struct zynqmp_reset_soc_data { + u32 reset_id; + u32 num_resets; +}; struct zynqmp_reset_data { struct reset_controller_dev rcdev; + const struct zynqmp_reset_soc_data *data; }; static inline struct zynqmp_reset_data * @@ -26,23 +34,28 @@ to_zynqmp_reset_data(struct reset_controller_dev *rcdev) static int zynqmp_reset_assert(struct reset_controller_dev *rcdev, unsigned long id) { - return zynqmp_pm_reset_assert(ZYNQMP_RESET_ID + id, + struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev); + + return zynqmp_pm_reset_assert(priv->data->reset_id + id, PM_RESET_ACTION_ASSERT); } static int zynqmp_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id) { - return zynqmp_pm_reset_assert(ZYNQMP_RESET_ID + id, + struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev); + + return zynqmp_pm_reset_assert(priv->data->reset_id + id, PM_RESET_ACTION_RELEASE); } static int zynqmp_reset_status(struct reset_controller_dev *rcdev, unsigned long id) { + struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev); int val, err; - err = zynqmp_pm_reset_get_status(ZYNQMP_RESET_ID + id, &val); + err = zynqmp_pm_reset_get_status(priv->data->reset_id + id, &val); if (err) return err; @@ -52,10 +65,28 @@ static int zynqmp_reset_status(struct reset_controller_dev *rcdev, static int zynqmp_reset_reset(struct reset_controller_dev *rcdev, unsigned long id) { - return zynqmp_pm_reset_assert(ZYNQMP_RESET_ID + id, + struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev); + + return zynqmp_pm_reset_assert(priv->data->reset_id + id, PM_RESET_ACTION_PULSE); } +static int zynqmp_reset_of_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + return reset_spec->args[0]; +} + +static const struct zynqmp_reset_soc_data zynqmp_reset_data = { + .reset_id = ZYNQMP_RESET_ID, + .num_resets = ZYNQMP_NR_RESETS, +}; + +static const struct zynqmp_reset_soc_data versal_reset_data = { + .reset_id = 0, + .num_resets = VERSAL_NR_RESETS, +}; + static const struct reset_control_ops zynqmp_reset_ops = { .reset = zynqmp_reset_reset, .assert = zynqmp_reset_assert, @@ -71,18 +102,25 @@ static int zynqmp_reset_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + priv->data = of_device_get_match_data(&pdev->dev); + if (!priv->data) + return -EINVAL; + platform_set_drvdata(pdev, priv); priv->rcdev.ops = &zynqmp_reset_ops; priv->rcdev.owner = THIS_MODULE; priv->rcdev.of_node = pdev->dev.of_node; - priv->rcdev.nr_resets = ZYNQMP_NR_RESETS; + priv->rcdev.nr_resets = priv->data->num_resets; + priv->rcdev.of_reset_n_cells = 1; + priv->rcdev.of_xlate = zynqmp_reset_of_xlate; return devm_reset_controller_register(&pdev->dev, &priv->rcdev); } static const struct of_device_id zynqmp_reset_dt_ids[] = { - { .compatible = "xlnx,zynqmp-reset", }, + { .compatible = "xlnx,zynqmp-reset", .data = &zynqmp_reset_data, }, + { .compatible = "xlnx,versal-reset", .data = &versal_reset_data, }, { /* sentinel */ }, }; diff --git a/drivers/reset/sti/reset-syscfg.c b/drivers/reset/sti/reset-syscfg.c index 91215bb88f62..99b63035fe72 100644 --- a/drivers/reset/sti/reset-syscfg.c +++ b/drivers/reset/sti/reset-syscfg.c @@ -17,7 +17,7 @@ #include "reset-syscfg.h" /** - * Reset channel regmap configuration + * struct syscfg_reset_channel - Reset channel regmap configuration * * @reset: regmap field for the channel's reset bit. * @ack: regmap field for the channel's ack bit (optional). @@ -28,8 +28,9 @@ struct syscfg_reset_channel { }; /** - * A reset controller which groups together a set of related reset bits, which - * may be located in different system configuration registers. + * struct syscfg_reset_controller - A reset controller which groups together + * a set of related reset bits, which may be located in different system + * configuration registers. * * @rst: base reset controller structure. * @active_low: are the resets in this controller active low, i.e. clearing diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c index 43665b77aa9e..5164a4dc2352 100644 --- a/drivers/soc/amlogic/meson-ee-pwrc.c +++ b/drivers/soc/amlogic/meson-ee-pwrc.c @@ -15,6 +15,7 @@ #include <linux/reset.h> #include <linux/clk.h> #include <dt-bindings/power/meson8-power.h> +#include <dt-bindings/power/meson-axg-power.h> #include <dt-bindings/power/meson-g12a-power.h> #include <dt-bindings/power/meson-gxbb-power.h> #include <dt-bindings/power/meson-sm1-power.h> @@ -134,6 +135,11 @@ static struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19); { __reg, BIT(14) }, \ { __reg, BIT(15) } +static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = { + VPU_MEMPD(HHI_VPU_MEM_PD_REG0), + VPU_HHI_MEMPD(HHI_MEM_PD_REG0), +}; + static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = { VPU_MEMPD(HHI_VPU_MEM_PD_REG0), VPU_MEMPD(HHI_VPU_MEM_PD_REG1), @@ -190,6 +196,10 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = { { HHI_MEM_PD_REG0, GENMASK(25, 18) }, }; +static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = { + { HHI_MEM_PD_REG0, GENMASK(5, 4) }, +}; + static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = { { HHI_MEM_PD_REG0, GENMASK(5, 4) }, { HHI_AUDIO_MEM_PD_REG0, GENMASK(1, 0) }, @@ -231,6 +241,13 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = { static bool pwrc_ee_get_power(struct meson_ee_pwrc_domain *pwrc_domain); +static struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = { + [PWRC_AXG_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu, + pwrc_ee_get_power, 5, 2), + [PWRC_AXG_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth), + [PWRC_AXG_AUDIO_ID] = MEM_PD("AUDIO", axg_pwrc_mem_audio), +}; + static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = { [PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu, pwrc_ee_get_power, 11, 2), @@ -433,8 +450,8 @@ static int meson_ee_pwrc_init_domain(struct platform_device *pdev, if (ret) return ret; - ret = pm_genpd_init(&dom->base, &pm_domain_always_on_gov, - false); + dom->base.flags = GENPD_FLAG_ALWAYS_ON; + ret = pm_genpd_init(&dom->base, NULL, false); if (ret) return ret; } else { @@ -529,6 +546,11 @@ static struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = { .domains = g12a_pwrc_domains, }; +static struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = { + .count = ARRAY_SIZE(axg_pwrc_domains), + .domains = axg_pwrc_domains, +}; + static struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = { .count = ARRAY_SIZE(gxbb_pwrc_domains), .domains = gxbb_pwrc_domains, @@ -563,6 +585,10 @@ static const struct of_device_id meson_ee_pwrc_match_table[] = { .data = &meson_ee_m8b_pwrc_data, }, { + .compatible = "amlogic,meson-axg-pwrc", + .data = &meson_ee_axg_pwrc_data, + }, + { .compatible = "amlogic,meson-gxbb-pwrc", .data = &meson_ee_gxbb_pwrc_data, }, diff --git a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c index 511b6856225d..21b4bc811c00 100644 --- a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c +++ b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c @@ -339,8 +339,8 @@ static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev) return ret; } - pm_genpd_init(&vpu_pd->genpd, &pm_domain_always_on_gov, - powered_off); + vpu_pd->genpd.flags = GENPD_FLAG_ALWAYS_ON; + pm_genpd_init(&vpu_pd->genpd, NULL, powered_off); return of_genpd_add_provider_simple(pdev->dev.of_node, &vpu_pd->genpd); diff --git a/drivers/soc/bcm/Kconfig b/drivers/soc/bcm/Kconfig index 648e32693b7e..24f92a6e882a 100644 --- a/drivers/soc/bcm/Kconfig +++ b/drivers/soc/bcm/Kconfig @@ -22,6 +22,15 @@ config RASPBERRYPI_POWER This enables support for the RPi power domains which can be enabled or disabled via the RPi firmware. +config SOC_BCM63XX + bool "Broadcom 63xx SoC drivers" + depends on BMIPS_GENERIC || COMPILE_TEST + help + Enables drivers for the Broadcom 63xx series of chips. + Drivers can be enabled individually within this menu. + + If unsure, say N. + config SOC_BRCMSTB bool "Broadcom STB SoC drivers" depends on ARM || ARM64 || BMIPS_GENERIC || COMPILE_TEST @@ -33,6 +42,7 @@ config SOC_BRCMSTB If unsure, say N. +source "drivers/soc/bcm/bcm63xx/Kconfig" source "drivers/soc/bcm/brcmstb/Kconfig" endmenu diff --git a/drivers/soc/bcm/Makefile b/drivers/soc/bcm/Makefile index d92268a829a9..7bc90e0bd773 100644 --- a/drivers/soc/bcm/Makefile +++ b/drivers/soc/bcm/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_BCM2835_POWER) += bcm2835-power.o obj-$(CONFIG_RASPBERRYPI_POWER) += raspberrypi-power.o +obj-$(CONFIG_SOC_BCM63XX) += bcm63xx/ obj-$(CONFIG_SOC_BRCMSTB) += brcmstb/ diff --git a/drivers/soc/bcm/bcm63xx/Kconfig b/drivers/soc/bcm/bcm63xx/Kconfig new file mode 100644 index 000000000000..16f648a6c70a --- /dev/null +++ b/drivers/soc/bcm/bcm63xx/Kconfig @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0-only +if SOC_BCM63XX + +config BCM63XX_POWER + bool "BCM63xx power domain driver" + depends on BMIPS_GENERIC || (COMPILE_TEST && OF) + select PM_GENERIC_DOMAINS if PM + help + This enables support for the BCM63xx power domains controller on + BCM6318, BCM6328, BCM6362 and BCM63268 SoCs. + +endif # SOC_BCM63XX diff --git a/drivers/soc/bcm/bcm63xx/Makefile b/drivers/soc/bcm/bcm63xx/Makefile new file mode 100644 index 000000000000..0710d5e018cc --- /dev/null +++ b/drivers/soc/bcm/bcm63xx/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_BCM63XX_POWER) += bcm63xx-power.o diff --git a/drivers/soc/bcm/bcm63xx/bcm63xx-power.c b/drivers/soc/bcm/bcm63xx/bcm63xx-power.c new file mode 100644 index 000000000000..515fe182dc34 --- /dev/null +++ b/drivers/soc/bcm/bcm63xx/bcm63xx-power.c @@ -0,0 +1,378 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * BCM63xx Power Domain Controller Driver + * + * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com> + */ + +#include <dt-bindings/soc/bcm6318-pm.h> +#include <dt-bindings/soc/bcm6328-pm.h> +#include <dt-bindings/soc/bcm6362-pm.h> +#include <dt-bindings/soc/bcm63268-pm.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_domain.h> +#include <linux/of.h> +#include <linux/of_device.h> + +struct bcm63xx_power_dev { + struct generic_pm_domain genpd; + struct bcm63xx_power *power; + uint32_t mask; +}; + +struct bcm63xx_power { + void __iomem *base; + spinlock_t lock; + struct bcm63xx_power_dev *dev; + struct genpd_onecell_data genpd_data; + struct generic_pm_domain **genpd; +}; + +struct bcm63xx_power_data { + const char * const name; + uint8_t bit; + unsigned int flags; +}; + +static int bcm63xx_power_get_state(struct bcm63xx_power_dev *pmd, bool *is_on) +{ + struct bcm63xx_power *power = pmd->power; + + if (!pmd->mask) { + *is_on = false; + return -EINVAL; + } + + *is_on = !(__raw_readl(power->base) & pmd->mask); + + return 0; +} + +static int bcm63xx_power_set_state(struct bcm63xx_power_dev *pmd, bool on) +{ + struct bcm63xx_power *power = pmd->power; + unsigned long flags; + uint32_t val; + + if (!pmd->mask) + return -EINVAL; + + spin_lock_irqsave(&power->lock, flags); + val = __raw_readl(power->base); + if (on) + val &= ~pmd->mask; + else + val |= pmd->mask; + __raw_writel(val, power->base); + spin_unlock_irqrestore(&power->lock, flags); + + return 0; +} + +static int bcm63xx_power_on(struct generic_pm_domain *genpd) +{ + struct bcm63xx_power_dev *pmd = container_of(genpd, + struct bcm63xx_power_dev, genpd); + + return bcm63xx_power_set_state(pmd, true); +} + +static int bcm63xx_power_off(struct generic_pm_domain *genpd) +{ + struct bcm63xx_power_dev *pmd = container_of(genpd, + struct bcm63xx_power_dev, genpd); + + return bcm63xx_power_set_state(pmd, false); +} + +static int bcm63xx_power_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct resource *res; + const struct bcm63xx_power_data *entry, *table; + struct bcm63xx_power *power; + unsigned int ndom; + uint8_t max_bit = 0; + int ret; + + power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL); + if (!power) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + power->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(power->base)) + return PTR_ERR(power->base); + + table = of_device_get_match_data(dev); + if (!table) + return -EINVAL; + + power->genpd_data.num_domains = 0; + ndom = 0; + for (entry = table; entry->name; entry++) { + max_bit = max(max_bit, entry->bit); + ndom++; + } + + if (!ndom) + return -ENODEV; + + power->genpd_data.num_domains = max_bit + 1; + + power->dev = devm_kcalloc(dev, power->genpd_data.num_domains, + sizeof(struct bcm63xx_power_dev), + GFP_KERNEL); + if (!power->dev) + return -ENOMEM; + + power->genpd = devm_kcalloc(dev, power->genpd_data.num_domains, + sizeof(struct generic_pm_domain *), + GFP_KERNEL); + if (!power->genpd) + return -ENOMEM; + + power->genpd_data.domains = power->genpd; + + ndom = 0; + for (entry = table; entry->name; entry++) { + struct bcm63xx_power_dev *pmd = &power->dev[ndom]; + bool is_on; + + pmd->power = power; + pmd->mask = BIT(entry->bit); + pmd->genpd.name = entry->name; + pmd->genpd.flags = entry->flags; + + ret = bcm63xx_power_get_state(pmd, &is_on); + if (ret) + dev_warn(dev, "unable to get current state for %s\n", + pmd->genpd.name); + + pmd->genpd.power_on = bcm63xx_power_on; + pmd->genpd.power_off = bcm63xx_power_off; + + pm_genpd_init(&pmd->genpd, NULL, !is_on); + power->genpd[entry->bit] = &pmd->genpd; + + ndom++; + } + + spin_lock_init(&power->lock); + + ret = of_genpd_add_provider_onecell(np, &power->genpd_data); + if (ret) { + dev_err(dev, "failed to register genpd driver: %d\n", ret); + return ret; + } + + dev_info(dev, "registered %u power domains\n", ndom); + + return 0; +} + +static const struct bcm63xx_power_data bcm6318_power_domains[] = { + { + .name = "pcie", + .bit = BCM6318_POWER_DOMAIN_PCIE, + }, { + .name = "usb", + .bit = BCM6318_POWER_DOMAIN_USB, + }, { + .name = "ephy0", + .bit = BCM6318_POWER_DOMAIN_EPHY0, + }, { + .name = "ephy1", + .bit = BCM6318_POWER_DOMAIN_EPHY1, + }, { + .name = "ephy2", + .bit = BCM6318_POWER_DOMAIN_EPHY2, + }, { + .name = "ephy3", + .bit = BCM6318_POWER_DOMAIN_EPHY3, + }, { + .name = "ldo2p5", + .bit = BCM6318_POWER_DOMAIN_LDO2P5, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "ldo2p9", + .bit = BCM6318_POWER_DOMAIN_LDO2P9, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "sw1p0", + .bit = BCM6318_POWER_DOMAIN_SW1P0, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "pad", + .bit = BCM6318_POWER_DOMAIN_PAD, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + /* sentinel */ + }, +}; + +static const struct bcm63xx_power_data bcm6328_power_domains[] = { + { + .name = "adsl2-mips", + .bit = BCM6328_POWER_DOMAIN_ADSL2_MIPS, + }, { + .name = "adsl2-phy", + .bit = BCM6328_POWER_DOMAIN_ADSL2_PHY, + }, { + .name = "adsl2-afe", + .bit = BCM6328_POWER_DOMAIN_ADSL2_AFE, + }, { + .name = "sar", + .bit = BCM6328_POWER_DOMAIN_SAR, + }, { + .name = "pcm", + .bit = BCM6328_POWER_DOMAIN_PCM, + }, { + .name = "usbd", + .bit = BCM6328_POWER_DOMAIN_USBD, + }, { + .name = "usbh", + .bit = BCM6328_POWER_DOMAIN_USBH, + }, { + .name = "pcie", + .bit = BCM6328_POWER_DOMAIN_PCIE, + }, { + .name = "robosw", + .bit = BCM6328_POWER_DOMAIN_ROBOSW, + }, { + .name = "ephy", + .bit = BCM6328_POWER_DOMAIN_EPHY, + }, { + /* sentinel */ + }, +}; + +static const struct bcm63xx_power_data bcm6362_power_domains[] = { + { + .name = "sar", + .bit = BCM6362_POWER_DOMAIN_SAR, + }, { + .name = "ipsec", + .bit = BCM6362_POWER_DOMAIN_IPSEC, + }, { + .name = "mips", + .bit = BCM6362_POWER_DOMAIN_MIPS, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "dect", + .bit = BCM6362_POWER_DOMAIN_DECT, + }, { + .name = "usbh", + .bit = BCM6362_POWER_DOMAIN_USBH, + }, { + .name = "usbd", + .bit = BCM6362_POWER_DOMAIN_USBD, + }, { + .name = "robosw", + .bit = BCM6362_POWER_DOMAIN_ROBOSW, + }, { + .name = "pcm", + .bit = BCM6362_POWER_DOMAIN_PCM, + }, { + .name = "periph", + .bit = BCM6362_POWER_DOMAIN_PERIPH, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "adsl-phy", + .bit = BCM6362_POWER_DOMAIN_ADSL_PHY, + }, { + .name = "gmii-pads", + .bit = BCM6362_POWER_DOMAIN_GMII_PADS, + }, { + .name = "fap", + .bit = BCM6362_POWER_DOMAIN_FAP, + }, { + .name = "pcie", + .bit = BCM6362_POWER_DOMAIN_PCIE, + }, { + .name = "wlan-pads", + .bit = BCM6362_POWER_DOMAIN_WLAN_PADS, + }, { + /* sentinel */ + }, +}; + +static const struct bcm63xx_power_data bcm63268_power_domains[] = { + { + .name = "sar", + .bit = BCM63268_POWER_DOMAIN_SAR, + }, { + .name = "ipsec", + .bit = BCM63268_POWER_DOMAIN_IPSEC, + }, { + .name = "mips", + .bit = BCM63268_POWER_DOMAIN_MIPS, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "dect", + .bit = BCM63268_POWER_DOMAIN_DECT, + }, { + .name = "usbh", + .bit = BCM63268_POWER_DOMAIN_USBH, + }, { + .name = "usbd", + .bit = BCM63268_POWER_DOMAIN_USBD, + }, { + .name = "robosw", + .bit = BCM63268_POWER_DOMAIN_ROBOSW, + }, { + .name = "pcm", + .bit = BCM63268_POWER_DOMAIN_PCM, + }, { + .name = "periph", + .bit = BCM63268_POWER_DOMAIN_PERIPH, + .flags = GENPD_FLAG_ALWAYS_ON, + }, { + .name = "vdsl-phy", + .bit = BCM63268_POWER_DOMAIN_VDSL_PHY, + }, { + .name = "vdsl-mips", + .bit = BCM63268_POWER_DOMAIN_VDSL_MIPS, + }, { + .name = "fap", + .bit = BCM63268_POWER_DOMAIN_FAP, + }, { + .name = "pcie", + .bit = BCM63268_POWER_DOMAIN_PCIE, + }, { + .name = "wlan-pads", + .bit = BCM63268_POWER_DOMAIN_WLAN_PADS, + }, { + /* sentinel */ + }, +}; + +static const struct of_device_id bcm63xx_power_of_match[] = { + { + .compatible = "brcm,bcm6318-power-controller", + .data = &bcm6318_power_domains, + }, { + .compatible = "brcm,bcm6328-power-controller", + .data = &bcm6328_power_domains, + }, { + .compatible = "brcm,bcm6362-power-controller", + .data = &bcm6362_power_domains, + }, { + .compatible = "brcm,bcm63268-power-controller", + .data = &bcm63268_power_domains, + }, { + /* sentinel */ + } +}; + +static struct platform_driver bcm63xx_power_driver = { + .driver = { + .name = "bcm63xx-power-controller", + .of_match_table = bcm63xx_power_of_match, + }, + .probe = bcm63xx_power_probe, +}; +builtin_platform_driver(bcm63xx_power_driver); diff --git a/drivers/soc/bcm/brcmstb/biuctrl.c b/drivers/soc/bcm/brcmstb/biuctrl.c index 61731e01f94b..7f8dc302ae6e 100644 --- a/drivers/soc/bcm/brcmstb/biuctrl.c +++ b/drivers/soc/bcm/brcmstb/biuctrl.c @@ -13,6 +13,22 @@ #include <linux/syscore_ops.h> #include <linux/soc/brcmstb/brcmstb.h> +#define RACENPREF_MASK 0x3 +#define RACPREFINST_SHIFT 0 +#define RACENINST_SHIFT 2 +#define RACPREFDATA_SHIFT 4 +#define RACENDATA_SHIFT 6 +#define RAC_CPU_SHIFT 8 +#define RACCFG_MASK 0xff +#define DPREF_LINE_2_SHIFT 24 +#define DPREF_LINE_2_MASK 0xff + +/* Bitmask to enable instruction and data prefetching with a 256-bytes stride */ +#define RAC_DATA_INST_EN_MASK (1 << RACPREFINST_SHIFT | \ + RACENPREF_MASK << RACENINST_SHIFT | \ + 1 << RACPREFDATA_SHIFT | \ + RACENPREF_MASK << RACENDATA_SHIFT) + #define CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK 0x70000000 #define CPU_CREDIT_REG_MCPx_READ_CRED_MASK 0xf #define CPU_CREDIT_REG_MCPx_WRITE_CRED_MASK 0xf @@ -31,11 +47,21 @@ static void __iomem *cpubiuctrl_base; static bool mcp_wr_pairing_en; static const int *cpubiuctrl_regs; +enum cpubiuctrl_regs { + CPU_CREDIT_REG = 0, + CPU_MCP_FLOW_REG, + CPU_WRITEBACK_CTRL_REG, + RAC_CONFIG0_REG, + RAC_CONFIG1_REG, + NUM_CPU_BIUCTRL_REGS, +}; + static inline u32 cbc_readl(int reg) { int offset = cpubiuctrl_regs[reg]; - if (offset == -1) + if (offset == -1 || + (IS_ENABLED(CONFIG_CACHE_B15_RAC) && reg >= RAC_CONFIG0_REG)) return (u32)-1; return readl_relaxed(cpubiuctrl_base + offset); @@ -45,22 +71,19 @@ static inline void cbc_writel(u32 val, int reg) { int offset = cpubiuctrl_regs[reg]; - if (offset == -1) + if (offset == -1 || + (IS_ENABLED(CONFIG_CACHE_B15_RAC) && reg >= RAC_CONFIG0_REG)) return; writel(val, cpubiuctrl_base + offset); } -enum cpubiuctrl_regs { - CPU_CREDIT_REG = 0, - CPU_MCP_FLOW_REG, - CPU_WRITEBACK_CTRL_REG -}; - static const int b15_cpubiuctrl_regs[] = { [CPU_CREDIT_REG] = 0x184, [CPU_MCP_FLOW_REG] = -1, [CPU_WRITEBACK_CTRL_REG] = -1, + [RAC_CONFIG0_REG] = -1, + [RAC_CONFIG1_REG] = -1, }; /* Odd cases, e.g: 7260A0 */ @@ -68,22 +91,26 @@ static const int b53_cpubiuctrl_no_wb_regs[] = { [CPU_CREDIT_REG] = 0x0b0, [CPU_MCP_FLOW_REG] = 0x0b4, [CPU_WRITEBACK_CTRL_REG] = -1, + [RAC_CONFIG0_REG] = 0x78, + [RAC_CONFIG1_REG] = 0x7c, }; static const int b53_cpubiuctrl_regs[] = { [CPU_CREDIT_REG] = 0x0b0, [CPU_MCP_FLOW_REG] = 0x0b4, [CPU_WRITEBACK_CTRL_REG] = 0x22c, + [RAC_CONFIG0_REG] = 0x78, + [RAC_CONFIG1_REG] = 0x7c, }; static const int a72_cpubiuctrl_regs[] = { [CPU_CREDIT_REG] = 0x18, [CPU_MCP_FLOW_REG] = 0x1c, [CPU_WRITEBACK_CTRL_REG] = 0x20, + [RAC_CONFIG0_REG] = 0x08, + [RAC_CONFIG1_REG] = 0x0c, }; -#define NUM_CPU_BIUCTRL_REGS 3 - static int __init mcp_write_pairing_set(void) { u32 creds = 0; @@ -110,6 +137,8 @@ static int __init mcp_write_pairing_set(void) static const u32 a72_b53_mach_compat[] = { 0x7211, 0x7216, + 0x72164, + 0x72165, 0x7255, 0x7260, 0x7268, @@ -117,6 +146,61 @@ static const u32 a72_b53_mach_compat[] = { 0x7278, }; +/* The read-ahead cache present in the Brahma-B53 CPU is a special piece of + * hardware after the integrated L2 cache of the B53 CPU complex whose purpose + * is to prefetch instruction and/or data with a line size of either 64 bytes + * or 256 bytes. The rationale is that the data-bus of the CPU interface is + * optimized for 256-byte transactions, and enabling the read-ahead cache + * provides a significant performance boost (typically twice the performance + * for a memcpy benchmark application). + * + * The read-ahead cache is transparent for Virtual Address cache maintenance + * operations: IC IVAU, DC IVAC, DC CVAC, DC CVAU and DC CIVAC. So no special + * handling is needed for the DMA API above and beyond what is included in the + * arm64 implementation. + * + * In addition, since the Point of Unification is typically between L1 and L2 + * for the Brahma-B53 processor no special read-ahead cache handling is needed + * for the IC IALLU and IC IALLUIS cache maintenance operations. + * + * However, it is not possible to specify the cache level (L3) for the cache + * maintenance instructions operating by set/way to operate on the read-ahead + * cache. The read-ahead cache will maintain coherency when inner cache lines + * are cleaned by set/way, but if it is necessary to invalidate inner cache + * lines by set/way to maintain coherency with system masters operating on + * shared memory that does not have hardware support for coherency, then it + * will also be necessary to explicitly invalidate the read-ahead cache. + */ +static void __init a72_b53_rac_enable_all(struct device_node *np) +{ + unsigned int cpu; + u32 enable = 0, pref_dist, shift; + + if (IS_ENABLED(CONFIG_CACHE_B15_RAC)) + return; + + if (WARN(num_possible_cpus() > 4, "RAC only supports 4 CPUs\n")) + return; + + pref_dist = cbc_readl(RAC_CONFIG1_REG); + for_each_possible_cpu(cpu) { + shift = cpu * RAC_CPU_SHIFT + RACPREFDATA_SHIFT; + enable |= RAC_DATA_INST_EN_MASK << (cpu * RAC_CPU_SHIFT); + if (cpubiuctrl_regs == a72_cpubiuctrl_regs) { + enable &= ~(RACENPREF_MASK << shift); + enable |= 3 << shift; + pref_dist |= 1 << (cpu + DPREF_LINE_2_SHIFT); + } + } + + cbc_writel(enable, RAC_CONFIG0_REG); + cbc_writel(pref_dist, RAC_CONFIG1_REG); + + pr_info("%pOF: Broadcom %s read-ahead cache\n", + np, cpubiuctrl_regs == a72_cpubiuctrl_regs ? + "Cortex-A72" : "Brahma-B53"); +} + static void __init mcp_a72_b53_set(void) { unsigned int i; @@ -262,6 +346,7 @@ static int __init brcmstb_biuctrl_init(void) return ret; } + a72_b53_rac_enable_all(np); mcp_a72_b53_set(); #ifdef CONFIG_PM_SLEEP register_syscore_ops(&brcmstb_cpu_credit_syscore_ops); diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c index 0ab85bfb116f..659b4a570d5b 100644 --- a/drivers/soc/fsl/dpio/qbman-portal.c +++ b/drivers/soc/fsl/dpio/qbman-portal.c @@ -647,7 +647,6 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s, const uint32_t *cl = (uint32_t *)d; uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask; int i, num_enqueued = 0; - uint64_t addr_cena; spin_lock(&s->access_spinlock); half_mask = (s->eqcr.pi_ci_mask>>1); @@ -701,7 +700,6 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s, /* Flush all the cacheline without load/store in between */ eqcr_pi = s->eqcr.pi; - addr_cena = (size_t)s->addr_cena; for (i = 0; i < num_enqueued; i++) eqcr_pi++; s->eqcr.pi = eqcr_pi & full_mask; diff --git a/drivers/soc/fsl/qbman/bman.c b/drivers/soc/fsl/qbman/bman.c index f4fb527d8301..c5dd026fe889 100644 --- a/drivers/soc/fsl/qbman/bman.c +++ b/drivers/soc/fsl/qbman/bman.c @@ -660,7 +660,7 @@ int bm_shutdown_pool(u32 bpid) } done: put_affine_portal(); - return 0; + return err; } struct gen_pool *bm_bpalloc; diff --git a/drivers/soc/fsl/qbman/qman_test_api.c b/drivers/soc/fsl/qbman/qman_test_api.c index 2895d062cf51..7066b2f1467c 100644 --- a/drivers/soc/fsl/qbman/qman_test_api.c +++ b/drivers/soc/fsl/qbman/qman_test_api.c @@ -86,7 +86,7 @@ static void fd_inc(struct qm_fd *fd) len--; qm_fd_set_param(fd, fmt, off, len); - fd->cmd = cpu_to_be32(be32_to_cpu(fd->cmd) + 1); + be32_add_cpu(&fd->cmd, 1); } /* The only part of the 'fd' we can't memcmp() is the ppid */ diff --git a/drivers/soc/fsl/qe/ucc.c b/drivers/soc/fsl/qe/ucc.c index cac0fb7693a0..21dbcd787cd5 100644 --- a/drivers/soc/fsl/qe/ucc.c +++ b/drivers/soc/fsl/qe/ucc.c @@ -523,7 +523,7 @@ int ucc_set_tdm_rxtx_clk(u32 tdm_num, enum qe_clock clock, qe_mux_reg = &qe_immr->qmx; - if (tdm_num > 7 || tdm_num < 0) + if (tdm_num > 7) return -EINVAL; /* The communications direction must be RX or TX */ diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c index 6cf8a7a412bd..db7e7fc321b1 100644 --- a/drivers/soc/imx/gpcv2.c +++ b/drivers/soc/imx/gpcv2.c @@ -487,22 +487,17 @@ static int imx_pgc_domain_probe(struct platform_device *pdev) domain->regulator = devm_regulator_get_optional(domain->dev, "power"); if (IS_ERR(domain->regulator)) { - if (PTR_ERR(domain->regulator) != -ENODEV) { - if (PTR_ERR(domain->regulator) != -EPROBE_DEFER) - dev_err(domain->dev, "Failed to get domain's regulator\n"); - return PTR_ERR(domain->regulator); - } + if (PTR_ERR(domain->regulator) != -ENODEV) + return dev_err_probe(domain->dev, PTR_ERR(domain->regulator), + "Failed to get domain's regulator\n"); } else if (domain->voltage) { regulator_set_voltage(domain->regulator, domain->voltage, domain->voltage); } ret = imx_pgc_get_clocks(domain); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(domain->dev, "Failed to get domain's clocks\n"); - return ret; - } + if (ret) + return dev_err_probe(domain->dev, ret, "Failed to get domain's clocks\n"); ret = pm_genpd_init(&domain->genpd, NULL, true); if (ret) { diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index dc644cfb6419..505651b0d715 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -13,11 +13,16 @@ #define CMDQ_POLL_ENABLE_MASK BIT(0) #define CMDQ_EOC_IRQ_EN BIT(0) #define CMDQ_REG_TYPE 1 +#define CMDQ_JUMP_RELATIVE 1 struct cmdq_instruction { union { u32 value; u32 mask; + struct { + u16 arg_c; + u16 src_reg; + }; }; union { u16 offset; @@ -223,15 +228,104 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, } EXPORT_SYMBOL(cmdq_pkt_write_mask); -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) +int cmdq_pkt_read_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, u16 addr_low, + u16 reg_idx) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_READ_S; + inst.dst_t = CMDQ_REG_TYPE; + inst.sop = high_addr_reg_idx; + inst.reg_dst = reg_idx; + inst.src_reg = addr_low; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_read_s); + +int cmdq_pkt_write_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, + u16 addr_low, u16 src_reg_idx) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_WRITE_S; + inst.src_t = CMDQ_REG_TYPE; + inst.sop = high_addr_reg_idx; + inst.offset = addr_low; + inst.src_reg = src_reg_idx; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_write_s); + +int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, + u16 addr_low, u16 src_reg_idx, u32 mask) +{ + struct cmdq_instruction inst = {}; + int err; + + inst.op = CMDQ_CODE_MASK; + inst.mask = ~mask; + err = cmdq_pkt_append_command(pkt, inst); + if (err < 0) + return err; + + inst.mask = 0; + inst.op = CMDQ_CODE_WRITE_S_MASK; + inst.src_t = CMDQ_REG_TYPE; + inst.sop = high_addr_reg_idx; + inst.offset = addr_low; + inst.src_reg = src_reg_idx; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_write_s_mask); + +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_WRITE_S; + inst.sop = high_addr_reg_idx; + inst.offset = addr_low; + inst.value = value; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_write_s_value); + +int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value, u32 mask) +{ + struct cmdq_instruction inst = {}; + int err; + + inst.op = CMDQ_CODE_MASK; + inst.mask = ~mask; + err = cmdq_pkt_append_command(pkt, inst); + if (err < 0) + return err; + + inst.op = CMDQ_CODE_WRITE_S_MASK; + inst.sop = high_addr_reg_idx; + inst.offset = addr_low; + inst.value = value; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_write_s_mask_value); + +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear) { struct cmdq_instruction inst = { {0} }; + u32 clear_option = clear ? CMDQ_WFE_UPDATE : 0; if (event >= CMDQ_MAX_EVENT) return -EINVAL; inst.op = CMDQ_CODE_WFE; - inst.value = CMDQ_WFE_OPTION; + inst.value = CMDQ_WFE_OPTION | clear_option; inst.event = event; return cmdq_pkt_append_command(pkt, inst); @@ -315,6 +409,18 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) } EXPORT_SYMBOL(cmdq_pkt_assign); +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_JUMP; + inst.offset = CMDQ_JUMP_RELATIVE; + inst.value = addr >> + cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan); + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_jump); + int cmdq_pkt_finalize(struct cmdq_pkt *pkt) { struct cmdq_instruction inst = { {0} }; @@ -329,7 +435,8 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt) /* JUMP to end */ inst.op = CMDQ_CODE_JUMP; - inst.value = CMDQ_JUMP_PASS; + inst.value = CMDQ_JUMP_PASS >> + cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan); err = cmdq_pkt_append_command(pkt, inst); return err; diff --git a/drivers/soc/mediatek/mtk-infracfg.c b/drivers/soc/mediatek/mtk-infracfg.c index 341c7ac250e3..4a123796aad3 100644 --- a/drivers/soc/mediatek/mtk-infracfg.c +++ b/drivers/soc/mediatek/mtk-infracfg.c @@ -19,7 +19,7 @@ /** * mtk_infracfg_set_bus_protection - enable bus protection - * @regmap: The infracfg regmap + * @infracfg: The infracfg regmap * @mask: The mask containing the protection bits to be enabled. * @reg_update: The boolean flag determines to set the protection bits * by regmap_update_bits with enable register(PROTECTEN) or @@ -50,7 +50,7 @@ int mtk_infracfg_set_bus_protection(struct regmap *infracfg, u32 mask, /** * mtk_infracfg_clear_bus_protection - disable bus protection - * @regmap: The infracfg regmap + * @infracfg: The infracfg regmap * @mask: The mask containing the protection bits to be disabled. * @reg_update: The boolean flag determines to clear the protection bits * by regmap_update_bits with enable register(PROTECTEN) or diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c index 1f35b097c635..7abfc8c4fdc7 100644 --- a/drivers/soc/qcom/apr.c +++ b/drivers/soc/qcom/apr.c @@ -328,7 +328,7 @@ static int of_apr_add_pd_lookups(struct device *dev) pds = pdr_add_lookup(apr->pdr, service_name, service_path); if (IS_ERR(pds) && PTR_ERR(pds) != -EALREADY) { - dev_err(dev, "pdr add lookup failed: %d\n", ret); + dev_err(dev, "pdr add lookup failed: %ld\n", PTR_ERR(pds)); return PTR_ERR(pds); } } diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index 429b5a60a1ba..70fbe70c6213 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -387,7 +387,6 @@ static int qcom_llcc_remove(struct platform_device *pdev) static struct regmap *qcom_llcc_init_mmio(struct platform_device *pdev, const char *name) { - struct resource *res; void __iomem *base; struct regmap_config llcc_regmap_config = { .reg_bits = 32, @@ -396,11 +395,7 @@ static struct regmap *qcom_llcc_init_mmio(struct platform_device *pdev, .fast_io = true, }; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); - if (!res) - return ERR_PTR(-ENODEV); - - base = devm_ioremap_resource(&pdev->dev, res); + base = devm_platform_ioremap_resource_byname(pdev, name); if (IS_ERR(base)) return ERR_CAST(base); diff --git a/drivers/soc/qcom/rpmh-internal.h b/drivers/soc/qcom/rpmh-internal.h index ef60e790a750..344ba687c13b 100644 --- a/drivers/soc/qcom/rpmh-internal.h +++ b/drivers/soc/qcom/rpmh-internal.h @@ -8,6 +8,7 @@ #define __RPM_INTERNAL_H__ #include <linux/bitmap.h> +#include <linux/wait.h> #include <soc/qcom/tcs.h> #define TCS_TYPE_NR 4 @@ -106,6 +107,8 @@ struct rpmh_ctrlr { * @lock: Synchronize state of the controller. If RPMH's cache * lock will also be held, the order is: drv->lock then * cache_lock. + * @tcs_wait: Wait queue used to wait for @tcs_in_use to free up a + * slot * @client: Handle to the DRV's client. */ struct rsc_drv { @@ -118,6 +121,7 @@ struct rsc_drv { struct tcs_group tcs[TCS_TYPE_NR]; DECLARE_BITMAP(tcs_in_use, MAX_TCS_NR); spinlock_t lock; + wait_queue_head_t tcs_wait; struct rpmh_ctrlr client; }; diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index ae6675782581..a297911afe57 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/wait.h> #include <soc/qcom/cmd-db.h> #include <soc/qcom/tcs.h> @@ -453,6 +454,7 @@ skip: if (!drv->tcs[ACTIVE_TCS].num_tcs) enable_tcs_irq(drv, i, false); spin_unlock(&drv->lock); + wake_up(&drv->tcs_wait); if (req) rpmh_tx_done(req, err); } @@ -571,73 +573,34 @@ static int find_free_tcs(struct tcs_group *tcs) } /** - * tcs_write() - Store messages into a TCS right now, or return -EBUSY. + * claim_tcs_for_req() - Claim a tcs in the given tcs_group; only for active. * @drv: The controller. + * @tcs: The tcs_group used for ACTIVE_ONLY transfers. * @msg: The data to be sent. * - * Grabs a TCS for ACTIVE_ONLY transfers and writes the messages to it. + * Claims a tcs in the given tcs_group while making sure that no existing cmd + * is in flight that would conflict with the one in @msg. * - * If there are no free TCSes for ACTIVE_ONLY transfers or if a command for - * the same address is already transferring returns -EBUSY which means the - * client should retry shortly. + * Context: Must be called with the drv->lock held since that protects + * tcs_in_use. * - * Return: 0 on success, -EBUSY if client should retry, or an error. - * Client should have interrupts enabled for a bit before retrying. + * Return: The id of the claimed tcs or -EBUSY if a matching msg is in flight + * or the tcs_group is full. */ -static int tcs_write(struct rsc_drv *drv, const struct tcs_request *msg) +static int claim_tcs_for_req(struct rsc_drv *drv, struct tcs_group *tcs, + const struct tcs_request *msg) { - struct tcs_group *tcs; - int tcs_id; - unsigned long flags; int ret; - tcs = get_tcs_for_msg(drv, msg); - if (IS_ERR(tcs)) - return PTR_ERR(tcs); - - spin_lock_irqsave(&drv->lock, flags); /* * The h/w does not like if we send a request to the same address, * when one is already in-flight or being processed. */ ret = check_for_req_inflight(drv, tcs, msg); if (ret) - goto unlock; - - ret = find_free_tcs(tcs); - if (ret < 0) - goto unlock; - tcs_id = ret; - - tcs->req[tcs_id - tcs->offset] = msg; - set_bit(tcs_id, drv->tcs_in_use); - if (msg->state == RPMH_ACTIVE_ONLY_STATE && tcs->type != ACTIVE_TCS) { - /* - * Clear previously programmed WAKE commands in selected - * repurposed TCS to avoid triggering them. tcs->slots will be - * cleaned from rpmh_flush() by invoking rpmh_rsc_invalidate() - */ - write_tcs_reg_sync(drv, RSC_DRV_CMD_ENABLE, tcs_id, 0); - write_tcs_reg_sync(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, 0); - enable_tcs_irq(drv, tcs_id, true); - } - spin_unlock_irqrestore(&drv->lock, flags); - - /* - * These two can be done after the lock is released because: - * - We marked "tcs_in_use" under lock. - * - Once "tcs_in_use" has been marked nobody else could be writing - * to these registers until the interrupt goes off. - * - The interrupt can't go off until we trigger w/ the last line - * of __tcs_set_trigger() below. - */ - __tcs_buffer_write(drv, tcs_id, 0, msg); - __tcs_set_trigger(drv, tcs_id, true); + return ret; - return 0; -unlock: - spin_unlock_irqrestore(&drv->lock, flags); - return ret; + return find_free_tcs(tcs); } /** @@ -664,18 +627,47 @@ unlock: */ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg) { - int ret; + struct tcs_group *tcs; + int tcs_id; + unsigned long flags; - do { - ret = tcs_write(drv, msg); - if (ret == -EBUSY) { - pr_info_ratelimited("TCS Busy, retrying RPMH message send: addr=%#x\n", - msg->cmds[0].addr); - udelay(10); - } - } while (ret == -EBUSY); + tcs = get_tcs_for_msg(drv, msg); + if (IS_ERR(tcs)) + return PTR_ERR(tcs); - return ret; + spin_lock_irqsave(&drv->lock, flags); + + /* Wait forever for a free tcs. It better be there eventually! */ + wait_event_lock_irq(drv->tcs_wait, + (tcs_id = claim_tcs_for_req(drv, tcs, msg)) >= 0, + drv->lock); + + tcs->req[tcs_id - tcs->offset] = msg; + set_bit(tcs_id, drv->tcs_in_use); + if (msg->state == RPMH_ACTIVE_ONLY_STATE && tcs->type != ACTIVE_TCS) { + /* + * Clear previously programmed WAKE commands in selected + * repurposed TCS to avoid triggering them. tcs->slots will be + * cleaned from rpmh_flush() by invoking rpmh_rsc_invalidate() + */ + write_tcs_reg_sync(drv, RSC_DRV_CMD_ENABLE, tcs_id, 0); + write_tcs_reg_sync(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, 0); + enable_tcs_irq(drv, tcs_id, true); + } + spin_unlock_irqrestore(&drv->lock, flags); + + /* + * These two can be done after the lock is released because: + * - We marked "tcs_in_use" under lock. + * - Once "tcs_in_use" has been marked nobody else could be writing + * to these registers until the interrupt goes off. + * - The interrupt can't go off until we trigger w/ the last line + * of __tcs_set_trigger() below. + */ + __tcs_buffer_write(drv, tcs_id, 0, msg); + __tcs_set_trigger(drv, tcs_id, true); + + return 0; } /** @@ -983,6 +975,7 @@ static int rpmh_rsc_probe(struct platform_device *pdev) return ret; spin_lock_init(&drv->lock); + init_waitqueue_head(&drv->tcs_wait); bitmap_zero(drv->tcs_in_use, MAX_TCS_NR); irq = platform_get_irq(pdev, drv->id); diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index b25d0f7dac9e..b44ede48decc 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -194,6 +194,7 @@ static const struct soc_id soc_id[] = { { 186, "MSM8674" }, { 194, "MSM8974PRO" }, { 206, "MSM8916" }, + { 207, "MSM8994" }, { 208, "APQ8074-AA" }, { 209, "APQ8074-AB" }, { 210, "APQ8074PRO" }, @@ -214,6 +215,8 @@ static const struct soc_id soc_id[] = { { 248, "MSM8216" }, { 249, "MSM8116" }, { 250, "MSM8616" }, + { 251, "MSM8992" }, + { 253, "APQ8094" }, { 291, "APQ8096" }, { 305, "MSM8996SG" }, { 310, "MSM8996AU" }, @@ -223,6 +226,8 @@ static const struct soc_id soc_id[] = { { 321, "SDM845" }, { 341, "SDA845" }, { 356, "SM8250" }, + { 402, "IPQ6018" }, + { 425, "SC7180" }, }; static const char *socinfo_machine(struct device *dev, unsigned int id) diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig index 30984659df90..b70bbc38efc6 100644 --- a/drivers/soc/renesas/Kconfig +++ b/drivers/soc/renesas/Kconfig @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -config SOC_RENESAS +menuconfig SOC_RENESAS bool "Renesas SoC driver support" if COMPILE_TEST && !ARCH_RENESAS default y if ARCH_RENESAS select SOC_BUS @@ -49,126 +49,126 @@ if ARM && ARCH_RENESAS #comment "Renesas ARM SoCs System Type" config ARCH_EMEV2 - bool "Emma Mobile EV2" + bool "ARM32 Platform support for Emma Mobile EV2" select HAVE_ARM_SCU if SMP select SYS_SUPPORTS_EM_STI -config ARCH_R7S72100 - bool "RZ/A1H (R7S72100)" - select ARM_ERRATA_754322 - select PM - select PM_GENERIC_DOMAINS - select RENESAS_OSTM - select RENESAS_RZA1_IRQC - select SYS_SUPPORTS_SH_MTU2 +config ARCH_R8A7794 + bool "ARM32 Platform support for R-Car E2" + select ARCH_RCAR_GEN2 + select ARM_ERRATA_814220 + select SYSC_R8A7794 -config ARCH_R7S9210 - bool "RZ/A2 (R7S9210)" - select PM - select PM_GENERIC_DOMAINS - select RENESAS_OSTM - select RENESAS_RZA1_IRQC +config ARCH_R8A7779 + bool "ARM32 Platform support for R-Car H1" + select ARCH_RCAR_GEN1 + select ARM_ERRATA_754322 + select ARM_GLOBAL_TIMER + select HAVE_ARM_SCU if SMP + select HAVE_ARM_TWD if SMP + select SYSC_R8A7779 -config ARCH_R8A73A4 - bool "R-Mobile APE6 (R8A73A40)" - select ARCH_RMOBILE +config ARCH_R8A7790 + bool "ARM32 Platform support for R-Car H2" + select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP select ARM_ERRATA_814220 - select HAVE_ARM_ARCH_TIMER - select RENESAS_IRQC + select I2C + select SYSC_R8A7790 -config ARCH_R8A7740 - bool "R-Mobile A1 (R8A77400)" - select ARCH_RMOBILE +config ARCH_R8A7778 + bool "ARM32 Platform support for R-Car M1A" + select ARCH_RCAR_GEN1 select ARM_ERRATA_754322 - select RENESAS_INTC_IRQPIN -config ARCH_R8A7742 - bool "RZ/G1H (R8A77420)" +config ARCH_R8A7793 + bool "ARM32 Platform support for R-Car M2-N" select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP - select ARM_ERRATA_814220 - select SYSC_R8A7742 + select I2C + select SYSC_R8A7791 -config ARCH_R8A7743 - bool "RZ/G1M (R8A77430)" +config ARCH_R8A7791 + bool "ARM32 Platform support for R-Car M2-W" select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP - select SYSC_R8A7743 + select I2C + select SYSC_R8A7791 -config ARCH_R8A7744 - bool "RZ/G1N (R8A77440)" +config ARCH_R8A7792 + bool "ARM32 Platform support for R-Car V2H" select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP - select SYSC_R8A7743 + select SYSC_R8A7792 -config ARCH_R8A7745 - bool "RZ/G1E (R8A77450)" - select ARCH_RCAR_GEN2 - select ARM_ERRATA_814220 - select SYSC_R8A7745 +config ARCH_R8A7740 + bool "ARM32 Platform support for R-Mobile A1" + select ARCH_RMOBILE + select ARM_ERRATA_754322 + select RENESAS_INTC_IRQPIN -config ARCH_R8A77470 - bool "RZ/G1C (R8A77470)" - select ARCH_RCAR_GEN2 +config ARCH_R8A73A4 + bool "ARM32 Platform support for R-Mobile APE6" + select ARCH_RMOBILE + select ARM_ERRATA_798181 if SMP select ARM_ERRATA_814220 - select SYSC_R8A77470 + select HAVE_ARM_ARCH_TIMER + select RENESAS_IRQC -config ARCH_R8A7778 - bool "R-Car M1A (R8A77781)" - select ARCH_RCAR_GEN1 +config ARCH_R7S72100 + bool "ARM32 Platform support for RZ/A1H" select ARM_ERRATA_754322 + select PM + select PM_GENERIC_DOMAINS + select RENESAS_OSTM + select RENESAS_RZA1_IRQC + select SYS_SUPPORTS_SH_MTU2 -config ARCH_R8A7779 - bool "R-Car H1 (R8A77790)" - select ARCH_RCAR_GEN1 - select ARM_ERRATA_754322 - select ARM_GLOBAL_TIMER - select HAVE_ARM_SCU if SMP - select HAVE_ARM_TWD if SMP - select SYSC_R8A7779 +config ARCH_R7S9210 + bool "ARM32 Platform support for RZ/A2" + select PM + select PM_GENERIC_DOMAINS + select RENESAS_OSTM + select RENESAS_RZA1_IRQC -config ARCH_R8A7790 - bool "R-Car H2 (R8A77900)" +config ARCH_R8A77470 + bool "ARM32 Platform support for RZ/G1C" select ARCH_RCAR_GEN2 - select ARM_ERRATA_798181 if SMP select ARM_ERRATA_814220 - select I2C - select SYSC_R8A7790 + select SYSC_R8A77470 -config ARCH_R8A7791 - bool "R-Car M2-W (R8A77910)" +config ARCH_R8A7745 + bool "ARM32 Platform support for RZ/G1E" select ARCH_RCAR_GEN2 - select ARM_ERRATA_798181 if SMP - select I2C - select SYSC_R8A7791 + select ARM_ERRATA_814220 + select SYSC_R8A7745 -config ARCH_R8A7792 - bool "R-Car V2H (R8A77920)" +config ARCH_R8A7742 + bool "ARM32 Platform support for RZ/G1H" select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP - select SYSC_R8A7792 + select ARM_ERRATA_814220 + select SYSC_R8A7742 -config ARCH_R8A7793 - bool "R-Car M2-N (R8A7793)" +config ARCH_R8A7743 + bool "ARM32 Platform support for RZ/G1M" select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP - select I2C - select SYSC_R8A7791 + select SYSC_R8A7743 -config ARCH_R8A7794 - bool "R-Car E2 (R8A77940)" +config ARCH_R8A7744 + bool "ARM32 Platform support for RZ/G1N" select ARCH_RCAR_GEN2 - select ARM_ERRATA_814220 - select SYSC_R8A7794 + select ARM_ERRATA_798181 if SMP + select SYSC_R8A7743 config ARCH_R9A06G032 - bool "RZ/N1D (R9A06G032)" + bool "ARM32 Platform support for RZ/N1D" select ARCH_RZN1 select ARM_ERRATA_814220 config ARCH_SH73A0 - bool "SH-Mobile AG5 (R8A73A00)" + bool "ARM32 Platform support for SH-Mobile AG5" select ARCH_RMOBILE select ARM_ERRATA_754322 select ARM_GLOBAL_TIMER @@ -180,193 +180,201 @@ endif # ARM if ARM64 -config ARCH_R8A774A1 - bool "Renesas RZ/G2M SoC Platform" - select ARCH_RCAR_GEN3 - select SYSC_R8A774A1 - help - This enables support for the Renesas RZ/G2M SoC. - -config ARCH_R8A774B1 - bool "Renesas RZ/G2N SoC Platform" - select ARCH_RCAR_GEN3 - select SYSC_R8A774B1 - help - This enables support for the Renesas RZ/G2N SoC. - -config ARCH_R8A774C0 - bool "Renesas RZ/G2E SoC Platform" +config ARCH_R8A77995 + bool "ARM64 Platform support for R-Car D3" select ARCH_RCAR_GEN3 - select SYSC_R8A774C0 + select SYSC_R8A77995 help - This enables support for the Renesas RZ/G2E SoC. + This enables support for the Renesas R-Car D3 SoC. -config ARCH_R8A774E1 - bool "Renesas RZ/G2H SoC Platform" +config ARCH_R8A77990 + bool "ARM64 Platform support for R-Car E3" select ARCH_RCAR_GEN3 - select SYSC_R8A774E1 + select SYSC_R8A77990 help - This enables support for the Renesas RZ/G2H SoC. + This enables support for the Renesas R-Car E3 SoC. config ARCH_R8A77950 - bool "Renesas R-Car H3 ES1.x SoC Platform" + bool "ARM64 Platform support for R-Car H3 ES1.x" select ARCH_RCAR_GEN3 select SYSC_R8A7795 help This enables support for the Renesas R-Car H3 SoC (revision 1.x). config ARCH_R8A77951 - bool "Renesas R-Car H3 ES2.0+ SoC Platform" + bool "ARM64 Platform support for R-Car H3 ES2.0+" select ARCH_RCAR_GEN3 select SYSC_R8A7795 help This enables support for the Renesas R-Car H3 SoC (revisions 2.0 and later). +config ARCH_R8A77965 + bool "ARM64 Platform support for R-Car M3-N" + select ARCH_RCAR_GEN3 + select SYSC_R8A77965 + help + This enables support for the Renesas R-Car M3-N SoC. + config ARCH_R8A77960 - bool "Renesas R-Car M3-W SoC Platform" + bool "ARM64 Platform support for R-Car M3-W" select ARCH_RCAR_GEN3 select SYSC_R8A77960 help This enables support for the Renesas R-Car M3-W SoC. config ARCH_R8A77961 - bool "Renesas R-Car M3-W+ SoC Platform" + bool "ARM64 Platform support for R-Car M3-W+" select ARCH_RCAR_GEN3 select SYSC_R8A77961 help This enables support for the Renesas R-Car M3-W+ SoC. -config ARCH_R8A77965 - bool "Renesas R-Car M3-N SoC Platform" +config ARCH_R8A77980 + bool "ARM64 Platform support for R-Car V3H" select ARCH_RCAR_GEN3 - select SYSC_R8A77965 + select SYSC_R8A77980 help - This enables support for the Renesas R-Car M3-N SoC. + This enables support for the Renesas R-Car V3H SoC. config ARCH_R8A77970 - bool "Renesas R-Car V3M SoC Platform" + bool "ARM64 Platform support for R-Car V3M" select ARCH_RCAR_GEN3 select SYSC_R8A77970 help This enables support for the Renesas R-Car V3M SoC. -config ARCH_R8A77980 - bool "Renesas R-Car V3H SoC Platform" +config ARCH_R8A779A0 + bool "ARM64 Platform support for R-Car V3U" select ARCH_RCAR_GEN3 - select SYSC_R8A77980 + select SYSC_R8A779A0 help - This enables support for the Renesas R-Car V3H SoC. + This enables support for the Renesas R-Car V3U SoC. -config ARCH_R8A77990 - bool "Renesas R-Car E3 SoC Platform" +config ARCH_R8A774C0 + bool "ARM64 Platform support for RZ/G2E" select ARCH_RCAR_GEN3 - select SYSC_R8A77990 + select SYSC_R8A774C0 help - This enables support for the Renesas R-Car E3 SoC. + This enables support for the Renesas RZ/G2E SoC. -config ARCH_R8A77995 - bool "Renesas R-Car D3 SoC Platform" +config ARCH_R8A774E1 + bool "ARM64 Platform support for RZ/G2H" select ARCH_RCAR_GEN3 - select SYSC_R8A77995 + select SYSC_R8A774E1 help - This enables support for the Renesas R-Car D3 SoC. + This enables support for the Renesas RZ/G2H SoC. + +config ARCH_R8A774A1 + bool "ARM64 Platform support for RZ/G2M" + select ARCH_RCAR_GEN3 + select SYSC_R8A774A1 + help + This enables support for the Renesas RZ/G2M SoC. + +config ARCH_R8A774B1 + bool "ARM64 Platform support for RZ/G2N" + select ARCH_RCAR_GEN3 + select SYSC_R8A774B1 + help + This enables support for the Renesas RZ/G2N SoC. endif # ARM64 -# SoC -config SYSC_R8A7742 - bool "RZ/G1H System Controller support" if COMPILE_TEST - select SYSC_RCAR +config RST_RCAR + bool "Reset Controller support for R-Car" if COMPILE_TEST -config SYSC_R8A7743 - bool "RZ/G1M System Controller support" if COMPILE_TEST +config SYSC_RCAR + bool "System Controller support for R-Car" if COMPILE_TEST + +config SYSC_R8A77995 + bool "System Controller support for R-Car D3" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A7745 - bool "RZ/G1E System Controller support" if COMPILE_TEST +config SYSC_R8A7794 + bool "System Controller support for R-Car E2" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A77470 - bool "RZ/G1C System Controller support" if COMPILE_TEST +config SYSC_R8A77990 + bool "System Controller support for R-Car E3" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A774A1 - bool "RZ/G2M System Controller support" if COMPILE_TEST +config SYSC_R8A7779 + bool "System Controller support for R-Car H1" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A774B1 - bool "RZ/G2N System Controller support" if COMPILE_TEST +config SYSC_R8A7790 + bool "System Controller support for R-Car H2" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A774C0 - bool "RZ/G2E System Controller support" if COMPILE_TEST +config SYSC_R8A7795 + bool "System Controller support for R-Car H3" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A774E1 - bool "RZ/G2H System Controller support" if COMPILE_TEST +config SYSC_R8A7791 + bool "System Controller support for R-Car M2-W/N" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A7779 - bool "R-Car H1 System Controller support" if COMPILE_TEST +config SYSC_R8A77965 + bool "System Controller support for R-Car M3-N" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A7790 - bool "R-Car H2 System Controller support" if COMPILE_TEST +config SYSC_R8A77960 + bool "System Controller support for R-Car M3-W" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A7791 - bool "R-Car M2-W/N System Controller support" if COMPILE_TEST +config SYSC_R8A77961 + bool "System Controller support for R-Car M3-W+" if COMPILE_TEST select SYSC_RCAR config SYSC_R8A7792 - bool "R-Car V2H System Controller support" if COMPILE_TEST + bool "System Controller support for R-Car V2H" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A7794 - bool "R-Car E2 System Controller support" if COMPILE_TEST +config SYSC_R8A77980 + bool "System Controller support for R-Car V3H" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A7795 - bool "R-Car H3 System Controller support" if COMPILE_TEST +config SYSC_R8A77970 + bool "System Controller support for R-Car V3M" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A77960 - bool "R-Car M3-W System Controller support" if COMPILE_TEST - select SYSC_RCAR +config SYSC_R8A779A0 + bool "System Controller support for R-Car V3U" if COMPILE_TEST -config SYSC_R8A77961 - bool "R-Car M3-W+ System Controller support" if COMPILE_TEST - select SYSC_RCAR +config SYSC_RMOBILE + bool "System Controller support for R-Mobile" if COMPILE_TEST -config SYSC_R8A77965 - bool "R-Car M3-N System Controller support" if COMPILE_TEST +config SYSC_R8A77470 + bool "System Controller support for RZ/G1C" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A77970 - bool "R-Car V3M System Controller support" if COMPILE_TEST +config SYSC_R8A7745 + bool "System Controller support for RZ/G1E" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A77980 - bool "R-Car V3H System Controller support" if COMPILE_TEST +config SYSC_R8A7742 + bool "System Controller support for RZ/G1H" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A77990 - bool "R-Car E3 System Controller support" if COMPILE_TEST +config SYSC_R8A7743 + bool "System Controller support for RZ/G1M" if COMPILE_TEST select SYSC_RCAR -config SYSC_R8A77995 - bool "R-Car D3 System Controller support" if COMPILE_TEST +config SYSC_R8A774C0 + bool "System Controller support for RZ/G2E" if COMPILE_TEST select SYSC_RCAR -# Family -config RST_RCAR - bool "R-Car Reset Controller support" if COMPILE_TEST +config SYSC_R8A774E1 + bool "System Controller support for RZ/G2H" if COMPILE_TEST + select SYSC_RCAR -config SYSC_RCAR - bool "R-Car System Controller support" if COMPILE_TEST +config SYSC_R8A774A1 + bool "System Controller support for RZ/G2M" if COMPILE_TEST + select SYSC_RCAR -config SYSC_RMOBILE - bool "R-Mobile System Controller support" if COMPILE_TEST +config SYSC_R8A774B1 + bool "System Controller support for RZ/G2N" if COMPILE_TEST + select SYSC_RCAR endif # SOC_RENESAS diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile index 10a399fc486a..9b29bed2a597 100644 --- a/drivers/soc/renesas/Makefile +++ b/drivers/soc/renesas/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o +obj-$(CONFIG_SYSC_R8A779A0) += r8a779a0-sysc.o ifdef CONFIG_SMP obj-$(CONFIG_ARCH_R9A06G032) += r9a06g032-smp.o endif diff --git a/drivers/soc/renesas/r8a779a0-sysc.c b/drivers/soc/renesas/r8a779a0-sysc.c new file mode 100644 index 000000000000..d464ffa1be33 --- /dev/null +++ b/drivers/soc/renesas/r8a779a0-sysc.c @@ -0,0 +1,448 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas R-Car V3U System Controller + * + * Copyright (C) 2020 Renesas Electronics Corp. + */ + +#include <linux/bits.h> +#include <linux/clk/renesas.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/of_address.h> +#include <linux/pm_domain.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +#include <dt-bindings/power/r8a779a0-sysc.h> + +/* + * Power Domain flags + */ +#define PD_CPU BIT(0) /* Area contains main CPU core */ +#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ +#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ + +#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR */ +#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ + +/* + * Description of a Power Area + */ +struct r8a779a0_sysc_area { + const char *name; + u8 pdr; /* PDRn */ + int parent; /* -1 if none */ + unsigned int flags; /* See PD_* */ +}; + +/* + * SoC-specific Power Area Description + */ +struct r8a779a0_sysc_info { + const struct r8a779a0_sysc_area *areas; + unsigned int num_areas; +}; + +static struct r8a779a0_sysc_area r8a779a0_areas[] __initdata = { + { "always-on", R8A779A0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON }, + { "a3e0", R8A779A0_PD_A3E0, R8A779A0_PD_ALWAYS_ON, PD_SCU }, + { "a3e1", R8A779A0_PD_A3E1, R8A779A0_PD_ALWAYS_ON, PD_SCU }, + { "a2e0d0", R8A779A0_PD_A2E0D0, R8A779A0_PD_A3E0, PD_SCU }, + { "a2e0d1", R8A779A0_PD_A2E0D1, R8A779A0_PD_A3E0, PD_SCU }, + { "a2e1d0", R8A779A0_PD_A2E1D0, R8A779A0_PD_A3E1, PD_SCU }, + { "a2e1d1", R8A779A0_PD_A2E1D1, R8A779A0_PD_A3E1, PD_SCU }, + { "a1e0d0c0", R8A779A0_PD_A1E0D0C0, R8A779A0_PD_A2E0D0, PD_CPU_NOCR }, + { "a1e0d0c1", R8A779A0_PD_A1E0D0C1, R8A779A0_PD_A2E0D0, PD_CPU_NOCR }, + { "a1e0d1c0", R8A779A0_PD_A1E0D1C0, R8A779A0_PD_A2E0D1, PD_CPU_NOCR }, + { "a1e0d1c1", R8A779A0_PD_A1E0D1C1, R8A779A0_PD_A2E0D1, PD_CPU_NOCR }, + { "a1e1d0c0", R8A779A0_PD_A1E1D0C0, R8A779A0_PD_A2E1D0, PD_CPU_NOCR }, + { "a1e1d0c1", R8A779A0_PD_A1E1D0C1, R8A779A0_PD_A2E1D0, PD_CPU_NOCR }, + { "a1e1d1c0", R8A779A0_PD_A1E1D1C0, R8A779A0_PD_A2E1D1, PD_CPU_NOCR }, + { "a1e1d1c1", R8A779A0_PD_A1E1D1C1, R8A779A0_PD_A2E1D1, PD_CPU_NOCR }, + { "3dg-a", R8A779A0_PD_3DG_A, R8A779A0_PD_ALWAYS_ON }, + { "3dg-b", R8A779A0_PD_3DG_B, R8A779A0_PD_3DG_A }, + { "a3vip0", R8A779A0_PD_A3VIP0, R8A779A0_PD_ALWAYS_ON }, + { "a3vip1", R8A779A0_PD_A3VIP1, R8A779A0_PD_ALWAYS_ON }, + { "a3vip3", R8A779A0_PD_A3VIP3, R8A779A0_PD_ALWAYS_ON }, + { "a3vip2", R8A779A0_PD_A3VIP2, R8A779A0_PD_ALWAYS_ON }, + { "a3isp01", R8A779A0_PD_A3ISP01, R8A779A0_PD_ALWAYS_ON }, + { "a3isp23", R8A779A0_PD_A3ISP23, R8A779A0_PD_ALWAYS_ON }, + { "a3ir", R8A779A0_PD_A3IR, R8A779A0_PD_ALWAYS_ON }, + { "a2cn0", R8A779A0_PD_A2CN0, R8A779A0_PD_A3IR }, + { "a2imp01", R8A779A0_PD_A2IMP01, R8A779A0_PD_A3IR }, + { "a2dp0", R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR }, + { "a2cv0", R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR }, + { "a2cv1", R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR }, + { "a2cv4", R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR }, + { "a2cv6", R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR }, + { "a2cn2", R8A779A0_PD_A2CN2, R8A779A0_PD_A3IR }, + { "a2imp23", R8A779A0_PD_A2IMP23, R8A779A0_PD_A3IR }, + { "a2dp1", R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR }, + { "a2cv2", R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR }, + { "a2cv3", R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR }, + { "a2cv5", R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR }, + { "a2cv7", R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR }, + { "a2cn1", R8A779A0_PD_A2CN1, R8A779A0_PD_A3IR }, + { "a1cnn0", R8A779A0_PD_A1CNN0, R8A779A0_PD_A2CN0 }, + { "a1cnn2", R8A779A0_PD_A1CNN2, R8A779A0_PD_A2CN2 }, + { "a1dsp0", R8A779A0_PD_A1DSP0, R8A779A0_PD_A2CN2 }, + { "a1cnn1", R8A779A0_PD_A1CNN1, R8A779A0_PD_A2CN1 }, + { "a1dsp1", R8A779A0_PD_A1DSP1, R8A779A0_PD_A2CN1 }, +}; + +static const struct r8a779a0_sysc_info r8a779a0_sysc_info __initconst = { + .areas = r8a779a0_areas, + .num_areas = ARRAY_SIZE(r8a779a0_areas), +}; + +/* SYSC Common */ +#define SYSCSR 0x000 /* SYSC Status Register */ +#define SYSCPONSR(x) (0x800 + ((x) * 0x4)) /* Power-ON Status Register 0 */ +#define SYSCPOFFSR(x) (0x808 + ((x) * 0x4)) /* Power-OFF Status Register */ +#define SYSCISCR(x) (0x810 + ((x) * 0x4)) /* Interrupt Status/Clear Register */ +#define SYSCIER(x) (0x820 + ((x) * 0x4)) /* Interrupt Enable Register */ +#define SYSCIMR(x) (0x830 + ((x) * 0x4)) /* Interrupt Mask Register */ + +/* Power Domain Registers */ +#define PDRSR(n) (0x1000 + ((n) * 0x40)) +#define PDRONCR(n) (0x1004 + ((n) * 0x40)) +#define PDROFFCR(n) (0x1008 + ((n) * 0x40)) +#define PDRESR(n) (0x100C + ((n) * 0x40)) + +/* PWRON/PWROFF */ +#define PWRON_PWROFF BIT(0) /* Power-ON/OFF request */ + +/* PDRESR */ +#define PDRESR_ERR BIT(0) + +/* PDRSR */ +#define PDRSR_OFF BIT(0) /* Power-OFF state */ +#define PDRSR_ON BIT(4) /* Power-ON state */ +#define PDRSR_OFF_STATE BIT(8) /* Processing Power-OFF sequence */ +#define PDRSR_ON_STATE BIT(12) /* Processing Power-ON sequence */ + +#define SYSCSR_BUSY GENMASK(1, 0) /* All bit sets is not busy */ + +#define SYSCSR_TIMEOUT 10000 +#define SYSCSR_DELAY_US 10 + +#define PDRESR_RETRIES 1000 +#define PDRESR_DELAY_US 10 + +#define SYSCISR_TIMEOUT 10000 +#define SYSCISR_DELAY_US 10 + +#define NUM_DOMAINS_EACH_REG BITS_PER_TYPE(u32) + +static void __iomem *r8a779a0_sysc_base; +static DEFINE_SPINLOCK(r8a779a0_sysc_lock); /* SMP CPUs + I/O devices */ + +static int r8a779a0_sysc_pwr_on_off(u8 pdr, bool on) +{ + unsigned int reg_offs; + u32 val; + int ret; + + if (on) + reg_offs = PDRONCR(pdr); + else + reg_offs = PDROFFCR(pdr); + + /* Wait until SYSC is ready to accept a power request */ + ret = readl_poll_timeout_atomic(r8a779a0_sysc_base + SYSCSR, val, + (val & SYSCSR_BUSY) == SYSCSR_BUSY, + SYSCSR_DELAY_US, SYSCSR_TIMEOUT); + if (ret < 0) + return -EAGAIN; + + /* Submit power shutoff or power resume request */ + iowrite32(PWRON_PWROFF, r8a779a0_sysc_base + reg_offs); + + return 0; +} + +static int clear_irq_flags(unsigned int reg_idx, unsigned int isr_mask) +{ + u32 val; + int ret; + + iowrite32(isr_mask, r8a779a0_sysc_base + SYSCISCR(reg_idx)); + + ret = readl_poll_timeout_atomic(r8a779a0_sysc_base + SYSCISCR(reg_idx), + val, !(val & isr_mask), + SYSCISR_DELAY_US, SYSCISR_TIMEOUT); + if (ret < 0) { + pr_err("\n %s : Can not clear IRQ flags in SYSCISCR", __func__); + return -EIO; + } + + return 0; +} + +static int r8a779a0_sysc_power(u8 pdr, bool on) +{ + unsigned int isr_mask; + unsigned int reg_idx, bit_idx; + unsigned int status; + unsigned long flags; + int ret = 0; + u32 val; + int k; + + spin_lock_irqsave(&r8a779a0_sysc_lock, flags); + + reg_idx = pdr / NUM_DOMAINS_EACH_REG; + bit_idx = pdr % NUM_DOMAINS_EACH_REG; + + isr_mask = BIT(bit_idx); + + /* + * The interrupt source needs to be enabled, but masked, to prevent the + * CPU from receiving it. + */ + iowrite32(ioread32(r8a779a0_sysc_base + SYSCIER(reg_idx)) | isr_mask, + r8a779a0_sysc_base + SYSCIER(reg_idx)); + iowrite32(ioread32(r8a779a0_sysc_base + SYSCIMR(reg_idx)) | isr_mask, + r8a779a0_sysc_base + SYSCIMR(reg_idx)); + + ret = clear_irq_flags(reg_idx, isr_mask); + if (ret) + goto out; + + /* Submit power shutoff or resume request until it was accepted */ + for (k = 0; k < PDRESR_RETRIES; k++) { + ret = r8a779a0_sysc_pwr_on_off(pdr, on); + if (ret) + goto out; + + status = ioread32(r8a779a0_sysc_base + PDRESR(pdr)); + if (!(status & PDRESR_ERR)) + break; + + udelay(PDRESR_DELAY_US); + } + + if (k == PDRESR_RETRIES) { + ret = -EIO; + goto out; + } + + /* Wait until the power shutoff or resume request has completed * */ + ret = readl_poll_timeout_atomic(r8a779a0_sysc_base + SYSCISCR(reg_idx), + val, (val & isr_mask), + SYSCISR_DELAY_US, SYSCISR_TIMEOUT); + if (ret < 0) { + ret = -EIO; + goto out; + } + + /* Clear interrupt flags */ + ret = clear_irq_flags(reg_idx, isr_mask); + if (ret) + goto out; + + out: + spin_unlock_irqrestore(&r8a779a0_sysc_lock, flags); + + pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off", + pdr, ioread32(r8a779a0_sysc_base + SYSCISCR(reg_idx)), ret); + return ret; +} + +static bool r8a779a0_sysc_power_is_off(u8 pdr) +{ + unsigned int st; + + st = ioread32(r8a779a0_sysc_base + PDRSR(pdr)); + + if (st & PDRSR_OFF) + return true; + + return false; +} + +struct r8a779a0_sysc_pd { + struct generic_pm_domain genpd; + u8 pdr; + unsigned int flags; + char name[]; +}; + +static inline struct r8a779a0_sysc_pd *to_r8a779a0_pd(struct generic_pm_domain *d) +{ + return container_of(d, struct r8a779a0_sysc_pd, genpd); +} + +static int r8a779a0_sysc_pd_power_off(struct generic_pm_domain *genpd) +{ + struct r8a779a0_sysc_pd *pd = to_r8a779a0_pd(genpd); + + pr_debug("%s: %s\n", __func__, genpd->name); + return r8a779a0_sysc_power(pd->pdr, false); +} + +static int r8a779a0_sysc_pd_power_on(struct generic_pm_domain *genpd) +{ + struct r8a779a0_sysc_pd *pd = to_r8a779a0_pd(genpd); + + pr_debug("%s: %s\n", __func__, genpd->name); + return r8a779a0_sysc_power(pd->pdr, true); +} + +static int __init r8a779a0_sysc_pd_setup(struct r8a779a0_sysc_pd *pd) +{ + struct generic_pm_domain *genpd = &pd->genpd; + const char *name = pd->genpd.name; + int error; + + if (pd->flags & PD_CPU) { + /* + * This domain contains a CPU core and therefore it should + * only be turned off if the CPU is not in use. + */ + pr_debug("PM domain %s contains %s\n", name, "CPU"); + genpd->flags |= GENPD_FLAG_ALWAYS_ON; + } else if (pd->flags & PD_SCU) { + /* + * This domain contains an SCU and cache-controller, and + * therefore it should only be turned off if the CPU cores are + * not in use. + */ + pr_debug("PM domain %s contains %s\n", name, "SCU"); + genpd->flags |= GENPD_FLAG_ALWAYS_ON; + } else if (pd->flags & PD_NO_CR) { + /* + * This domain cannot be turned off. + */ + genpd->flags |= GENPD_FLAG_ALWAYS_ON; + } + + if (!(pd->flags & (PD_CPU | PD_SCU))) { + /* Enable Clock Domain for I/O devices */ + genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; + genpd->attach_dev = cpg_mssr_attach_dev; + genpd->detach_dev = cpg_mssr_detach_dev; + } + + genpd->power_off = r8a779a0_sysc_pd_power_off; + genpd->power_on = r8a779a0_sysc_pd_power_on; + + if (pd->flags & (PD_CPU | PD_NO_CR)) { + /* Skip CPUs (handled by SMP code) and areas without control */ + pr_debug("%s: Not touching %s\n", __func__, genpd->name); + goto finalize; + } + + if (!r8a779a0_sysc_power_is_off(pd->pdr)) { + pr_debug("%s: %s is already powered\n", __func__, genpd->name); + goto finalize; + } + + r8a779a0_sysc_power(pd->pdr, true); + +finalize: + error = pm_genpd_init(genpd, &simple_qos_governor, false); + if (error) + pr_err("Failed to init PM domain %s: %d\n", name, error); + + return error; +} + +static const struct of_device_id r8a779a0_sysc_matches[] __initconst = { + { .compatible = "renesas,r8a779a0-sysc", .data = &r8a779a0_sysc_info }, + { /* sentinel */ } +}; + +struct r8a779a0_pm_domains { + struct genpd_onecell_data onecell_data; + struct generic_pm_domain *domains[R8A779A0_PD_ALWAYS_ON + 1]; +}; + +static struct genpd_onecell_data *r8a779a0_sysc_onecell_data; + +static int __init r8a779a0_sysc_pd_init(void) +{ + const struct r8a779a0_sysc_info *info; + const struct of_device_id *match; + struct r8a779a0_pm_domains *domains; + struct device_node *np; + void __iomem *base; + unsigned int i; + int error; + + np = of_find_matching_node_and_match(NULL, r8a779a0_sysc_matches, &match); + if (!np) + return -ENODEV; + + info = match->data; + + base = of_iomap(np, 0); + if (!base) { + pr_warn("%pOF: Cannot map regs\n", np); + error = -ENOMEM; + goto out_put; + } + + r8a779a0_sysc_base = base; + + domains = kzalloc(sizeof(*domains), GFP_KERNEL); + if (!domains) { + error = -ENOMEM; + goto out_put; + } + + domains->onecell_data.domains = domains->domains; + domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains); + r8a779a0_sysc_onecell_data = &domains->onecell_data; + + for (i = 0; i < info->num_areas; i++) { + const struct r8a779a0_sysc_area *area = &info->areas[i]; + struct r8a779a0_sysc_pd *pd; + + if (!area->name) { + /* Skip NULLified area */ + continue; + } + + pd = kzalloc(sizeof(*pd) + strlen(area->name) + 1, GFP_KERNEL); + if (!pd) { + error = -ENOMEM; + goto out_put; + } + + strcpy(pd->name, area->name); + pd->genpd.name = pd->name; + pd->pdr = area->pdr; + pd->flags = area->flags; + + error = r8a779a0_sysc_pd_setup(pd); + if (error) + goto out_put; + + domains->domains[area->pdr] = &pd->genpd; + + if (area->parent < 0) + continue; + + error = pm_genpd_add_subdomain(domains->domains[area->parent], + &pd->genpd); + if (error) { + pr_warn("Failed to add PM subdomain %s to parent %u\n", + area->name, area->parent); + goto out_put; + } + } + + error = of_genpd_add_provider_onecell(np, &domains->onecell_data); + +out_put: + of_node_put(np); + return error; +} +early_initcall(r8a779a0_sysc_pd_init); diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c index a932015ce9c1..8a1e402ea799 100644 --- a/drivers/soc/renesas/rcar-rst.c +++ b/drivers/soc/renesas/rcar-rst.c @@ -37,6 +37,10 @@ static const struct rst_config rcar_rst_gen3 __initconst = { .modemr = 0x60, }; +static const struct rst_config rcar_rst_r8a779a0 __initconst = { + .modemr = 0x00, /* MODEMR0 and it has CPG related bits */ +}; + static const struct of_device_id rcar_rst_matches[] __initconst = { /* RZ/G1 is handled like R-Car Gen2 */ { .compatible = "renesas,r8a7742-rst", .data = &rcar_rst_gen2 }, @@ -67,6 +71,8 @@ static const struct of_device_id rcar_rst_matches[] __initconst = { { .compatible = "renesas,r8a77980-rst", .data = &rcar_rst_gen3 }, { .compatible = "renesas,r8a77990-rst", .data = &rcar_rst_gen3 }, { .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen3 }, + /* R-Car V3U */ + { .compatible = "renesas,r8a779a0-rst", .data = &rcar_rst_r8a779a0 }, { /* sentinel */ } }; diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c index f815a6a8b88b..0f8eff4a641a 100644 --- a/drivers/soc/renesas/renesas-soc.c +++ b/drivers/soc/renesas/renesas-soc.c @@ -200,6 +200,11 @@ static const struct renesas_soc soc_rcar_d3 __initconst __maybe_unused = { .id = 0x58, }; +static const struct renesas_soc soc_rcar_v3u __initconst __maybe_unused = { + .family = &fam_rcar_gen3, + .id = 0x59, +}; + static const struct renesas_soc soc_shmobile_ag5 __initconst __maybe_unused = { .family = &fam_shmobile, .id = 0x37, @@ -291,6 +296,9 @@ static const struct of_device_id renesas_socs[] __initconst = { #ifdef CONFIG_ARCH_R8A77995 { .compatible = "renesas,r8a77995", .data = &soc_rcar_d3 }, #endif +#ifdef CONFIG_ARCH_R8A779A0 + { .compatible = "renesas,r8a779a0", .data = &soc_rcar_v3u }, +#endif #ifdef CONFIG_ARCH_SH73A0 { .compatible = "renesas,sh73a0", .data = &soc_shmobile_ag5 }, #endif diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c index 1b0d50f36349..d4c7bd59429e 100644 --- a/drivers/soc/sunxi/sunxi_sram.c +++ b/drivers/soc/sunxi/sunxi_sram.c @@ -194,7 +194,7 @@ static const struct sunxi_sram_data *sunxi_sram_of_parse(struct device_node *nod if (!data) { ret = -EINVAL; goto err; - }; + } for (func = data->func; func->func; func++) { if (val == func->val) { diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index d1f8dd0289e6..94b60a692b51 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -49,6 +49,9 @@ static struct tegra_fuse *fuse = &(struct tegra_fuse) { }; static const struct of_device_id tegra_fuse_match[] = { +#ifdef CONFIG_ARCH_TEGRA_234_SOC + { .compatible = "nvidia,tegra234-efuse", .data = &tegra234_fuse_soc }, +#endif #ifdef CONFIG_ARCH_TEGRA_194_SOC { .compatible = "nvidia,tegra194-efuse", .data = &tegra194_fuse_soc }, #endif @@ -326,7 +329,8 @@ const struct attribute_group tegra_soc_attr_group = { .attrs = tegra_soc_attr, }; -#ifdef CONFIG_ARCH_TEGRA_194_SOC +#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \ + IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC) static ssize_t platform_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -336,7 +340,7 @@ static ssize_t platform_show(struct device *dev, struct device_attribute *attr, * platform type is silicon and all other non-zero values indicate * the type of simulation platform is being used. */ - return sprintf(buf, "%d\n", (tegra_read_chipid() >> 20) & 0xf); + return sprintf(buf, "%d\n", tegra_get_platform()); } static DEVICE_ATTR_RO(platform); diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c index 85accef41fa1..9ea7f0168457 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra30.c +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c @@ -356,3 +356,33 @@ const struct tegra_fuse_soc tegra194_fuse_soc = { .soc_attr_group = &tegra194_soc_attr_group, }; #endif + +#if defined(CONFIG_ARCH_TEGRA_234_SOC) +static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = { + { + .nvmem_name = "fuse", + .cell_name = "xusb-pad-calibration", + .dev_id = "3520000.padctl", + .con_id = "calibration", + }, { + .nvmem_name = "fuse", + .cell_name = "xusb-pad-calibration-ext", + .dev_id = "3520000.padctl", + .con_id = "calibration-ext", + }, +}; + +static const struct tegra_fuse_info tegra234_fuse_info = { + .read = tegra30_fuse_read, + .size = 0x300, + .spare = 0x280, +}; + +const struct tegra_fuse_soc tegra234_fuse_soc = { + .init = tegra30_fuse_init, + .info = &tegra234_fuse_info, + .lookups = tegra234_fuse_lookups, + .num_lookups = ARRAY_SIZE(tegra234_fuse_lookups), + .soc_attr_group = &tegra194_soc_attr_group, +}; +#endif diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index 9d4fc315a007..e057a58e2060 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -115,9 +115,17 @@ extern const struct tegra_fuse_soc tegra210_fuse_soc; extern const struct tegra_fuse_soc tegra186_fuse_soc; #endif +#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \ + IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC) +extern const struct attribute_group tegra194_soc_attr_group; +#endif + #ifdef CONFIG_ARCH_TEGRA_194_SOC extern const struct tegra_fuse_soc tegra194_fuse_soc; -extern const struct attribute_group tegra194_soc_attr_group; +#endif + +#ifdef CONFIG_ARCH_TEGRA_234_SOC +extern const struct tegra_fuse_soc tegra234_fuse_soc; #endif #endif diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c index 8e416ad91ee2..cee207d10024 100644 --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c @@ -47,6 +47,31 @@ u8 tegra_get_minor_rev(void) return (tegra_read_chipid() >> 16) & 0xf; } +u8 tegra_get_platform(void) +{ + return (tegra_read_chipid() >> 20) & 0xf; +} + +bool tegra_is_silicon(void) +{ + switch (tegra_get_chip_id()) { + case TEGRA194: + case TEGRA234: + if (tegra_get_platform() == 0) + return true; + + return false; + } + + /* + * Chips prior to Tegra194 have a different way of determining whether + * they are silicon or not. Since we never supported simulation on the + * older Tegra chips, don't bother extracting the information and just + * report that we're running on silicon. + */ + return true; +} + u32 tegra_read_straps(void) { WARN(!chipid, "Tegra ABP MISC not yet available\n"); @@ -70,6 +95,7 @@ static const struct of_device_id apbmisc_match[] __initconst = { { .compatible = "nvidia,tegra20-apbmisc", }, { .compatible = "nvidia,tegra186-misc", }, { .compatible = "nvidia,tegra194-misc", }, + { .compatible = "nvidia,tegra234-misc", }, {}, }; diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index b0bba8ab75bb..df9a5ca8c99c 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -336,45 +336,6 @@ struct tegra_pmc_soc { bool has_blink_output; }; -static const char * const tegra186_reset_sources[] = { - "SYS_RESET", - "AOWDT", - "MCCPLEXWDT", - "BPMPWDT", - "SCEWDT", - "SPEWDT", - "APEWDT", - "BCCPLEXWDT", - "SENSOR", - "AOTAG", - "VFSENSOR", - "SWREST", - "SC7", - "HSM", - "CORESIGHT" -}; - -static const char * const tegra186_reset_levels[] = { - "L0", "L1", "L2", "WARM" -}; - -static const char * const tegra30_reset_sources[] = { - "POWER_ON_RESET", - "WATCHDOG", - "SENSOR", - "SW_MAIN", - "LP0" -}; - -static const char * const tegra210_reset_sources[] = { - "POWER_ON_RESET", - "WATCHDOG", - "SENSOR", - "SW_MAIN", - "LP0", - "AOTAG" -}; - /** * struct tegra_pmc - NVIDIA Tegra PMC * @dev: pointer to PMC device structure @@ -2771,6 +2732,14 @@ static const u8 tegra30_cpu_powergates[] = { TEGRA_POWERGATE_CPU3, }; +static const char * const tegra30_reset_sources[] = { + "POWER_ON_RESET", + "WATCHDOG", + "SENSOR", + "SW_MAIN", + "LP0" +}; + static const struct tegra_pmc_soc tegra30_pmc_soc = { .num_powergates = ARRAY_SIZE(tegra30_powergates), .powergates = tegra30_powergates, @@ -3048,6 +3017,15 @@ static const struct pinctrl_pin_desc tegra210_pin_descs[] = { TEGRA210_IO_PAD_TABLE(TEGRA_IO_PIN_DESC) }; +static const char * const tegra210_reset_sources[] = { + "POWER_ON_RESET", + "WATCHDOG", + "SENSOR", + "SW_MAIN", + "LP0", + "AOTAG" +}; + static const struct tegra_wake_event tegra210_wake_events[] = { TEGRA_WAKE_IRQ("rtc", 16, 2), TEGRA_WAKE_IRQ("pmu", 51, 86), @@ -3180,6 +3158,28 @@ static void tegra186_pmc_setup_irq_polarity(struct tegra_pmc *pmc, iounmap(wake); } +static const char * const tegra186_reset_sources[] = { + "SYS_RESET", + "AOWDT", + "MCCPLEXWDT", + "BPMPWDT", + "SCEWDT", + "SPEWDT", + "APEWDT", + "BCCPLEXWDT", + "SENSOR", + "AOTAG", + "VFSENSOR", + "SWREST", + "SC7", + "HSM", + "CORESIGHT" +}; + +static const char * const tegra186_reset_levels[] = { + "L0", "L1", "L2", "WARM" +}; + static const struct tegra_wake_event tegra186_wake_events[] = { TEGRA_WAKE_IRQ("pmu", 24, 209), TEGRA_WAKE_GPIO("power", 29, 1, TEGRA186_AON_GPIO(FF, 0)), @@ -3349,7 +3349,75 @@ static const struct tegra_pmc_soc tegra194_pmc_soc = { .has_blink_output = false, }; +static const struct tegra_pmc_regs tegra234_pmc_regs = { + .scratch0 = 0x2000, + .dpd_req = 0, + .dpd_status = 0, + .dpd2_req = 0, + .dpd2_status = 0, + .rst_status = 0x70, + .rst_source_shift = 0x2, + .rst_source_mask = 0xfc, + .rst_level_shift = 0x0, + .rst_level_mask = 0x3, +}; + +static const char * const tegra234_reset_sources[] = { + "SYS_RESET_N", + "AOWDT", + "BCCPLEXWDT", + "BPMPWDT", + "SCEWDT", + "SPEWDT", + "APEWDT", + "LCCPLEXWDT", + "SENSOR", + "AOTAG", + "VFSENSOR", + "MAINSWRST", + "SC7", + "HSM", + "CSITE", + "RCEWDT", + "PVA0WDT", + "PVA1WDT", + "L1A_ASYNC", + "BPMPBOOT", + "FUSECRC", +}; + +static const struct tegra_pmc_soc tegra234_pmc_soc = { + .num_powergates = 0, + .powergates = NULL, + .num_cpu_powergates = 0, + .cpu_powergates = NULL, + .has_tsense_reset = false, + .has_gpu_clamps = false, + .needs_mbist_war = false, + .has_impl_33v_pwr = true, + .maybe_tz_only = false, + .num_io_pads = 0, + .io_pads = NULL, + .num_pin_descs = 0, + .pin_descs = NULL, + .regs = &tegra234_pmc_regs, + .init = NULL, + .setup_irq_polarity = tegra186_pmc_setup_irq_polarity, + .irq_set_wake = tegra186_pmc_irq_set_wake, + .irq_set_type = tegra186_pmc_irq_set_type, + .reset_sources = tegra234_reset_sources, + .num_reset_sources = ARRAY_SIZE(tegra234_reset_sources), + .reset_levels = tegra186_reset_levels, + .num_reset_levels = ARRAY_SIZE(tegra186_reset_levels), + .num_wake_events = 0, + .wake_events = NULL, + .pmc_clks_data = NULL, + .num_pmc_clks = 0, + .has_blink_output = false, +}; + static const struct of_device_id tegra_pmc_match[] = { + { .compatible = "nvidia,tegra234-pmc", .data = &tegra234_pmc_soc }, { .compatible = "nvidia,tegra194-pmc", .data = &tegra194_pmc_soc }, { .compatible = "nvidia,tegra186-pmc", .data = &tegra186_pmc_soc }, { .compatible = "nvidia,tegra210-pmc", .data = &tegra210_pmc_soc }, diff --git a/drivers/soc/ti/Kconfig b/drivers/soc/ti/Kconfig index e192fb788836..f5b82ffa637b 100644 --- a/drivers/soc/ti/Kconfig +++ b/drivers/soc/ti/Kconfig @@ -101,6 +101,17 @@ config TI_K3_SOCINFO platforms to provide information about the SoC family and variant to user space. +config TI_PRUSS + tristate "TI PRU-ICSS Subsystem Platform drivers" + depends on SOC_AM33XX || SOC_AM43XX || SOC_DRA7XX || ARCH_KEYSTONE || ARCH_K3 + select MFD_SYSCON + help + TI PRU-ICSS Subsystem platform specific support. + + Say Y or M here to support the Programmable Realtime Unit (PRU) + processors on various TI SoCs. It's safe to say N here if you're + not interested in the PRU or if you are unsure. + endif # SOC_TI config TI_SCI_INTA_MSI_DOMAIN diff --git a/drivers/soc/ti/Makefile b/drivers/soc/ti/Makefile index 5463431ec96c..cc3c972fad2e 100644 --- a/drivers/soc/ti/Makefile +++ b/drivers/soc/ti/Makefile @@ -12,4 +12,5 @@ obj-$(CONFIG_TI_SCI_PM_DOMAINS) += ti_sci_pm_domains.o obj-$(CONFIG_TI_SCI_INTA_MSI_DOMAIN) += ti_sci_inta_msi.o obj-$(CONFIG_TI_K3_RINGACC) += k3-ringacc.o obj-$(CONFIG_TI_K3_SOCINFO) += k3-socinfo.o +obj-$(CONFIG_TI_PRUSS) += pruss.o obj-$(CONFIG_POWER_AVS_OMAP) += smartreflex.o diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index 6dcc21dde0cb..1147dc4c1d59 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -10,6 +10,7 @@ #include <linux/init.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/sys_soc.h> #include <linux/soc/ti/k3-ringacc.h> #include <linux/soc/ti/ti_sci_protocol.h> #include <linux/soc/ti/ti_sci_inta_msi.h> @@ -208,6 +209,15 @@ struct k3_ringacc { const struct k3_ringacc_ops *ops; }; +/** + * struct k3_ringacc - Rings accelerator SoC data + * + * @dma_ring_reset_quirk: DMA reset w/a enable + */ +struct k3_ringacc_soc_data { + unsigned dma_ring_reset_quirk:1; +}; + static long k3_ringacc_ring_get_fifo_pos(struct k3_ring *ring) { return K3_RINGACC_FIFO_WINDOW_SIZE_BYTES - @@ -1051,9 +1061,6 @@ static int k3_ringacc_probe_dt(struct k3_ringacc *ringacc) return ret; } - ringacc->dma_ring_reset_quirk = - of_property_read_bool(node, "ti,dma-ring-reset-quirk"); - ringacc->tisci = ti_sci_get_by_phandle(node, "ti,sci"); if (IS_ERR(ringacc->tisci)) { ret = PTR_ERR(ringacc->tisci); @@ -1084,9 +1091,22 @@ static int k3_ringacc_probe_dt(struct k3_ringacc *ringacc) ringacc->rm_gp_range); } +static const struct k3_ringacc_soc_data k3_ringacc_soc_data_sr1 = { + .dma_ring_reset_quirk = 1, +}; + +static const struct soc_device_attribute k3_ringacc_socinfo[] = { + { .family = "AM65X", + .revision = "SR1.0", + .data = &k3_ringacc_soc_data_sr1 + }, + {/* sentinel */} +}; + static int k3_ringacc_init(struct platform_device *pdev, struct k3_ringacc *ringacc) { + const struct soc_device_attribute *soc; void __iomem *base_fifo, *base_rt; struct device *dev = &pdev->dev; struct resource *res; @@ -1103,6 +1123,13 @@ static int k3_ringacc_init(struct platform_device *pdev, if (ret) return ret; + soc = soc_device_match(k3_ringacc_socinfo); + if (soc && soc->data) { + const struct k3_ringacc_soc_data *soc_data = soc->data; + + ringacc->dma_ring_reset_quirk = soc_data->dma_ring_reset_quirk; + } + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rt"); base_rt = devm_ioremap_resource(dev, res); if (IS_ERR(base_rt)) diff --git a/drivers/soc/ti/k3-socinfo.c b/drivers/soc/ti/k3-socinfo.c index af0ba5288e58..bbbc2d2b7091 100644 --- a/drivers/soc/ti/k3-socinfo.c +++ b/drivers/soc/ti/k3-socinfo.c @@ -39,6 +39,7 @@ static const struct k3_soc_id { } k3_soc_ids[] = { { 0xBB5A, "AM65X" }, { 0xBB64, "J721E" }, + { 0xBB6D, "J7200" }, }; static int diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index 6285cd8efb21..8c863ecb1c60 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -355,7 +355,7 @@ static void dma_debug_show_devices(struct seq_file *s, } } -static int dma_debug_show(struct seq_file *s, void *v) +static int knav_dma_debug_show(struct seq_file *s, void *v) { struct knav_dma_device *dma; @@ -370,17 +370,7 @@ static int dma_debug_show(struct seq_file *s, void *v) return 0; } -static int knav_dma_debug_open(struct inode *inode, struct file *file) -{ - return single_open(file, dma_debug_show, NULL); -} - -static const struct file_operations knav_dma_debug_ops = { - .open = knav_dma_debug_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(knav_dma_debug); static int of_channel_match_helper(struct device_node *np, const char *name, const char **dma_instance) @@ -778,7 +768,7 @@ static int knav_dma_probe(struct platform_device *pdev) } debugfs_create_file("knav_dma", S_IFREG | S_IRUGO, NULL, NULL, - &knav_dma_debug_ops); + &knav_dma_debug_fops); device_ready = true; return ret; diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index aa071d96ef36..a460f201bf8e 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -478,17 +478,7 @@ static int knav_queue_debug_show(struct seq_file *s, void *v) return 0; } -static int knav_queue_debug_open(struct inode *inode, struct file *file) -{ - return single_open(file, knav_queue_debug_show, NULL); -} - -static const struct file_operations knav_queue_debug_ops = { - .open = knav_queue_debug_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(knav_queue_debug); static inline int knav_queue_pdsp_wait(u32 * __iomem addr, unsigned timeout, u32 flags) @@ -1878,7 +1868,7 @@ static int knav_queue_probe(struct platform_device *pdev) } debugfs_create_file("qmss", S_IFREG | S_IRUGO, NULL, NULL, - &knav_queue_debug_ops); + &knav_queue_debug_fops); device_ready = true; return 0; diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c new file mode 100644 index 000000000000..cc0b4ad7a3d3 --- /dev/null +++ b/drivers/soc/ti/pruss.c @@ -0,0 +1,354 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * PRU-ICSS platform driver for various TI SoCs + * + * Copyright (C) 2014-2020 Texas Instruments Incorporated - http://www.ti.com/ + * Author(s): + * Suman Anna <s-anna@ti.com> + * Andrew F. Davis <afd@ti.com> + */ + +#include <linux/clk-provider.h> +#include <linux/dma-mapping.h> +#include <linux/io.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/pm_runtime.h> +#include <linux/pruss_driver.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +/** + * struct pruss_private_data - PRUSS driver private data + * @has_no_sharedram: flag to indicate the absence of PRUSS Shared Data RAM + * @has_core_mux_clock: flag to indicate the presence of PRUSS core clock + */ +struct pruss_private_data { + bool has_no_sharedram; + bool has_core_mux_clock; +}; + +static void pruss_of_free_clk_provider(void *data) +{ + struct device_node *clk_mux_np = data; + + of_clk_del_provider(clk_mux_np); + of_node_put(clk_mux_np); +} + +static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux, + char *mux_name, struct device_node *clks_np) +{ + struct device_node *clk_mux_np; + struct device *dev = pruss->dev; + char *clk_mux_name; + unsigned int num_parents; + const char **parent_names; + void __iomem *reg; + u32 reg_offset; + int ret; + + clk_mux_np = of_get_child_by_name(clks_np, mux_name); + if (!clk_mux_np) { + dev_err(dev, "%pOF is missing its '%s' node\n", clks_np, + mux_name); + return -ENODEV; + } + + num_parents = of_clk_get_parent_count(clk_mux_np); + if (num_parents < 1) { + dev_err(dev, "mux-clock %pOF must have parents\n", clk_mux_np); + ret = -EINVAL; + goto put_clk_mux_np; + } + + parent_names = devm_kcalloc(dev, sizeof(*parent_names), num_parents, + GFP_KERNEL); + if (!parent_names) { + ret = -ENOMEM; + goto put_clk_mux_np; + } + + of_clk_parent_fill(clk_mux_np, parent_names, num_parents); + + clk_mux_name = devm_kasprintf(dev, GFP_KERNEL, "%s.%pOFn", + dev_name(dev), clk_mux_np); + if (!clk_mux_name) { + ret = -ENOMEM; + goto put_clk_mux_np; + } + + ret = of_property_read_u32(clk_mux_np, "reg", ®_offset); + if (ret) + goto put_clk_mux_np; + + reg = pruss->cfg_base + reg_offset; + + clk_mux = clk_register_mux(NULL, clk_mux_name, parent_names, + num_parents, 0, reg, 0, 1, 0, NULL); + if (IS_ERR(clk_mux)) { + ret = PTR_ERR(clk_mux); + goto put_clk_mux_np; + } + + ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux, + clk_mux); + if (ret) { + dev_err(dev, "failed to add clkmux unregister action %d", ret); + goto put_clk_mux_np; + } + + ret = of_clk_add_provider(clk_mux_np, of_clk_src_simple_get, clk_mux); + if (ret) + goto put_clk_mux_np; + + ret = devm_add_action_or_reset(dev, pruss_of_free_clk_provider, + clk_mux_np); + if (ret) { + dev_err(dev, "failed to add clkmux free action %d", ret); + goto put_clk_mux_np; + } + + return 0; + +put_clk_mux_np: + of_node_put(clk_mux_np); + return ret; +} + +static int pruss_clk_init(struct pruss *pruss, struct device_node *cfg_node) +{ + const struct pruss_private_data *data; + struct device_node *clks_np; + struct device *dev = pruss->dev; + int ret = 0; + + data = of_device_get_match_data(dev); + if (IS_ERR(data)) + return -ENODEV; + + clks_np = of_get_child_by_name(cfg_node, "clocks"); + if (!clks_np) { + dev_err(dev, "%pOF is missing its 'clocks' node\n", clks_np); + return -ENODEV; + } + + if (data && data->has_core_mux_clock) { + ret = pruss_clk_mux_setup(pruss, pruss->core_clk_mux, + "coreclk-mux", clks_np); + if (ret) { + dev_err(dev, "failed to setup coreclk-mux\n"); + goto put_clks_node; + } + } + + ret = pruss_clk_mux_setup(pruss, pruss->iep_clk_mux, "iepclk-mux", + clks_np); + if (ret) { + dev_err(dev, "failed to setup iepclk-mux\n"); + goto put_clks_node; + } + +put_clks_node: + of_node_put(clks_np); + + return ret; +} + +static struct regmap_config regmap_conf = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + +static int pruss_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev_of_node(dev); + struct device_node *child; + struct pruss *pruss; + struct resource res; + int ret, i, index; + const struct pruss_private_data *data; + const char *mem_names[PRUSS_MEM_MAX] = { "dram0", "dram1", "shrdram2" }; + + data = of_device_get_match_data(&pdev->dev); + if (IS_ERR(data)) { + dev_err(dev, "missing private data\n"); + return -ENODEV; + } + + ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(dev, "failed to set the DMA coherent mask"); + return ret; + } + + pruss = devm_kzalloc(dev, sizeof(*pruss), GFP_KERNEL); + if (!pruss) + return -ENOMEM; + + pruss->dev = dev; + + child = of_get_child_by_name(np, "memories"); + if (!child) { + dev_err(dev, "%pOF is missing its 'memories' node\n", child); + return -ENODEV; + } + + for (i = 0; i < PRUSS_MEM_MAX; i++) { + /* + * On AM437x one of two PRUSS units don't contain Shared RAM, + * skip it + */ + if (data && data->has_no_sharedram && i == PRUSS_MEM_SHRD_RAM2) + continue; + + index = of_property_match_string(child, "reg-names", + mem_names[i]); + if (index < 0) { + of_node_put(child); + return index; + } + + if (of_address_to_resource(child, index, &res)) { + of_node_put(child); + return -EINVAL; + } + + pruss->mem_regions[i].va = devm_ioremap(dev, res.start, + resource_size(&res)); + if (!pruss->mem_regions[i].va) { + dev_err(dev, "failed to parse and map memory resource %d %s\n", + i, mem_names[i]); + of_node_put(child); + return -ENOMEM; + } + pruss->mem_regions[i].pa = res.start; + pruss->mem_regions[i].size = resource_size(&res); + + dev_dbg(dev, "memory %8s: pa %pa size 0x%zx va %pK\n", + mem_names[i], &pruss->mem_regions[i].pa, + pruss->mem_regions[i].size, pruss->mem_regions[i].va); + } + of_node_put(child); + + platform_set_drvdata(pdev, pruss); + + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + dev_err(dev, "couldn't enable module\n"); + pm_runtime_put_noidle(dev); + goto rpm_disable; + } + + child = of_get_child_by_name(np, "cfg"); + if (!child) { + dev_err(dev, "%pOF is missing its 'cfg' node\n", child); + ret = -ENODEV; + goto rpm_put; + } + + if (of_address_to_resource(child, 0, &res)) { + ret = -ENOMEM; + goto node_put; + } + + pruss->cfg_base = devm_ioremap(dev, res.start, resource_size(&res)); + if (!pruss->cfg_base) { + ret = -ENOMEM; + goto node_put; + } + + regmap_conf.name = kasprintf(GFP_KERNEL, "%pOFn@%llx", child, + (u64)res.start); + regmap_conf.max_register = resource_size(&res) - 4; + + pruss->cfg_regmap = devm_regmap_init_mmio(dev, pruss->cfg_base, + ®map_conf); + kfree(regmap_conf.name); + if (IS_ERR(pruss->cfg_regmap)) { + dev_err(dev, "regmap_init_mmio failed for cfg, ret = %ld\n", + PTR_ERR(pruss->cfg_regmap)); + ret = PTR_ERR(pruss->cfg_regmap); + goto node_put; + } + + ret = pruss_clk_init(pruss, child); + if (ret) { + dev_err(dev, "failed to setup coreclk-mux\n"); + goto node_put; + } + + ret = devm_of_platform_populate(dev); + if (ret) { + dev_err(dev, "failed to register child devices\n"); + goto node_put; + } + + of_node_put(child); + + return 0; + +node_put: + of_node_put(child); +rpm_put: + pm_runtime_put_sync(dev); +rpm_disable: + pm_runtime_disable(dev); + return ret; +} + +static int pruss_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + + devm_of_platform_depopulate(dev); + + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + + return 0; +} + +/* instance-specific driver private data */ +static const struct pruss_private_data am437x_pruss1_data = { + .has_no_sharedram = false, +}; + +static const struct pruss_private_data am437x_pruss0_data = { + .has_no_sharedram = true, +}; + +static const struct pruss_private_data am65x_j721e_pruss_data = { + .has_core_mux_clock = true, +}; + +static const struct of_device_id pruss_of_match[] = { + { .compatible = "ti,am3356-pruss" }, + { .compatible = "ti,am4376-pruss0", .data = &am437x_pruss0_data, }, + { .compatible = "ti,am4376-pruss1", .data = &am437x_pruss1_data, }, + { .compatible = "ti,am5728-pruss" }, + { .compatible = "ti,k2g-pruss" }, + { .compatible = "ti,am654-icssg", .data = &am65x_j721e_pruss_data, }, + { .compatible = "ti,j721e-icssg", .data = &am65x_j721e_pruss_data, }, + {}, +}; +MODULE_DEVICE_TABLE(of, pruss_of_match); + +static struct platform_driver pruss_driver = { + .driver = { + .name = "pruss", + .of_match_table = pruss_of_match, + }, + .probe = pruss_probe, + .remove = pruss_remove, +}; +module_platform_driver(pruss_driver); + +MODULE_AUTHOR("Suman Anna <s-anna@ti.com>"); +MODULE_DESCRIPTION("PRU-ICSS Subsystem Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/soc/ti/ti_sci_pm_domains.c b/drivers/soc/ti/ti_sci_pm_domains.c index 8c2a2f23982c..af2126d2b2ff 100644 --- a/drivers/soc/ti/ti_sci_pm_domains.c +++ b/drivers/soc/ti/ti_sci_pm_domains.c @@ -9,7 +9,6 @@ #include <linux/err.h> #include <linux/module.h> -#include <linux/mutex.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> @@ -18,150 +17,95 @@ #include <dt-bindings/soc/ti,sci_pm_domain.h> /** - * struct ti_sci_genpd_dev_data: holds data needed for every device attached - * to this genpd - * @idx: index of the device that identifies it with the system - * control processor. - * @exclusive: Permissions for exclusive request or shared request of the - * device. + * struct ti_sci_genpd_provider: holds common TI SCI genpd provider data + * @ti_sci: handle to TI SCI protocol driver that provides ops to + * communicate with system control processor. + * @dev: pointer to dev for the driver for devm allocs + * @pd_list: list of all the power domains on the device + * @data: onecell data for genpd core */ -struct ti_sci_genpd_dev_data { - int idx; - u8 exclusive; +struct ti_sci_genpd_provider { + const struct ti_sci_handle *ti_sci; + struct device *dev; + struct list_head pd_list; + struct genpd_onecell_data data; }; /** * struct ti_sci_pm_domain: TI specific data needed for power domain - * @ti_sci: handle to TI SCI protocol driver that provides ops to - * communicate with system control processor. - * @dev: pointer to dev for the driver for devm allocs + * @idx: index of the device that identifies it with the system + * control processor. + * @exclusive: Permissions for exclusive request or shared request of the + * device. * @pd: generic_pm_domain for use with the genpd framework + * @node: link for the genpd list + * @parent: link to the parent TI SCI genpd provider */ struct ti_sci_pm_domain { - const struct ti_sci_handle *ti_sci; - struct device *dev; + int idx; + u8 exclusive; struct generic_pm_domain pd; + struct list_head node; + struct ti_sci_genpd_provider *parent; }; #define genpd_to_ti_sci_pd(gpd) container_of(gpd, struct ti_sci_pm_domain, pd) -/** - * ti_sci_dev_id(): get prepopulated ti_sci id from struct dev - * @dev: pointer to device associated with this genpd - * - * Returns device_id stored from ti,sci_id property - */ -static int ti_sci_dev_id(struct device *dev) -{ - struct generic_pm_domain_data *genpd_data = dev_gpd_data(dev); - struct ti_sci_genpd_dev_data *sci_dev_data = genpd_data->data; - - return sci_dev_data->idx; -} - -static u8 is_ti_sci_dev_exclusive(struct device *dev) -{ - struct generic_pm_domain_data *genpd_data = dev_gpd_data(dev); - struct ti_sci_genpd_dev_data *sci_dev_data = genpd_data->data; - - return sci_dev_data->exclusive; -} - -/** - * ti_sci_dev_to_sci_handle(): get pointer to ti_sci_handle - * @dev: pointer to device associated with this genpd - * - * Returns ti_sci_handle to be used to communicate with system - * control processor. +/* + * ti_sci_pd_power_off(): genpd power down hook + * @domain: pointer to the powerdomain to power off */ -static const struct ti_sci_handle *ti_sci_dev_to_sci_handle(struct device *dev) +static int ti_sci_pd_power_off(struct generic_pm_domain *domain) { - struct generic_pm_domain *pd = pd_to_genpd(dev->pm_domain); - struct ti_sci_pm_domain *ti_sci_genpd = genpd_to_ti_sci_pd(pd); + struct ti_sci_pm_domain *pd = genpd_to_ti_sci_pd(domain); + const struct ti_sci_handle *ti_sci = pd->parent->ti_sci; - return ti_sci_genpd->ti_sci; + return ti_sci->ops.dev_ops.put_device(ti_sci, pd->idx); } -/** - * ti_sci_dev_start(): genpd device start hook called to turn device on - * @dev: pointer to device associated with this genpd to be powered on +/* + * ti_sci_pd_power_on(): genpd power up hook + * @domain: pointer to the powerdomain to power on */ -static int ti_sci_dev_start(struct device *dev) +static int ti_sci_pd_power_on(struct generic_pm_domain *domain) { - const struct ti_sci_handle *ti_sci = ti_sci_dev_to_sci_handle(dev); - int idx = ti_sci_dev_id(dev); + struct ti_sci_pm_domain *pd = genpd_to_ti_sci_pd(domain); + const struct ti_sci_handle *ti_sci = pd->parent->ti_sci; - if (is_ti_sci_dev_exclusive(dev)) - return ti_sci->ops.dev_ops.get_device_exclusive(ti_sci, idx); + if (pd->exclusive) + return ti_sci->ops.dev_ops.get_device_exclusive(ti_sci, + pd->idx); else - return ti_sci->ops.dev_ops.get_device(ti_sci, idx); + return ti_sci->ops.dev_ops.get_device(ti_sci, pd->idx); } -/** - * ti_sci_dev_stop(): genpd device stop hook called to turn device off - * @dev: pointer to device associated with this genpd to be powered off +/* + * ti_sci_pd_xlate(): translation service for TI SCI genpds + * @genpdspec: DT identification data for the genpd + * @data: genpd core data for all the powerdomains on the device */ -static int ti_sci_dev_stop(struct device *dev) +static struct generic_pm_domain *ti_sci_pd_xlate( + struct of_phandle_args *genpdspec, + void *data) { - const struct ti_sci_handle *ti_sci = ti_sci_dev_to_sci_handle(dev); - int idx = ti_sci_dev_id(dev); + struct genpd_onecell_data *genpd_data = data; + unsigned int idx = genpdspec->args[0]; - return ti_sci->ops.dev_ops.put_device(ti_sci, idx); -} + if (genpdspec->args_count < 2) + return ERR_PTR(-EINVAL); -static int ti_sci_pd_attach_dev(struct generic_pm_domain *domain, - struct device *dev) -{ - struct device_node *np = dev->of_node; - struct of_phandle_args pd_args; - struct ti_sci_pm_domain *ti_sci_genpd = genpd_to_ti_sci_pd(domain); - const struct ti_sci_handle *ti_sci = ti_sci_genpd->ti_sci; - struct ti_sci_genpd_dev_data *sci_dev_data; - struct generic_pm_domain_data *genpd_data; - int idx, ret = 0; - - ret = of_parse_phandle_with_args(np, "power-domains", - "#power-domain-cells", 0, &pd_args); - if (ret < 0) - return ret; - - if (pd_args.args_count != 1 && pd_args.args_count != 2) - return -EINVAL; - - idx = pd_args.args[0]; - - /* - * Check the validity of the requested idx, if the index is not valid - * the PMMC will return a NAK here and we will not allocate it. - */ - ret = ti_sci->ops.dev_ops.is_valid(ti_sci, idx); - if (ret) - return -EINVAL; - - sci_dev_data = kzalloc(sizeof(*sci_dev_data), GFP_KERNEL); - if (!sci_dev_data) - return -ENOMEM; + if (idx >= genpd_data->num_domains) { + pr_err("%s: invalid domain index %u\n", __func__, idx); + return ERR_PTR(-EINVAL); + } - sci_dev_data->idx = idx; - /* Enable the exclusive permissions by default */ - sci_dev_data->exclusive = TI_SCI_PD_EXCLUSIVE; - if (pd_args.args_count == 2) - sci_dev_data->exclusive = pd_args.args[1] & 0x1; + if (!genpd_data->domains[idx]) + return ERR_PTR(-ENOENT); - genpd_data = dev_gpd_data(dev); - genpd_data->data = sci_dev_data; + genpd_to_ti_sci_pd(genpd_data->domains[idx])->exclusive = + genpdspec->args[1]; - return 0; -} - -static void ti_sci_pd_detach_dev(struct generic_pm_domain *domain, - struct device *dev) -{ - struct generic_pm_domain_data *genpd_data = dev_gpd_data(dev); - struct ti_sci_genpd_dev_data *sci_dev_data = genpd_data->data; - - kfree(sci_dev_data); - genpd_data->data = NULL; + return genpd_data->domains[idx]; } static const struct of_device_id ti_sci_pm_domain_matches[] = { @@ -173,33 +117,80 @@ MODULE_DEVICE_TABLE(of, ti_sci_pm_domain_matches); static int ti_sci_pm_domain_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; - struct ti_sci_pm_domain *ti_sci_pd; + struct ti_sci_genpd_provider *pd_provider; + struct ti_sci_pm_domain *pd; + struct device_node *np = NULL; + struct of_phandle_args args; int ret; + u32 max_id = 0; + int index; - ti_sci_pd = devm_kzalloc(dev, sizeof(*ti_sci_pd), GFP_KERNEL); - if (!ti_sci_pd) + pd_provider = devm_kzalloc(dev, sizeof(*pd_provider), GFP_KERNEL); + if (!pd_provider) return -ENOMEM; - ti_sci_pd->ti_sci = devm_ti_sci_get_handle(dev); - if (IS_ERR(ti_sci_pd->ti_sci)) - return PTR_ERR(ti_sci_pd->ti_sci); + pd_provider->ti_sci = devm_ti_sci_get_handle(dev); + if (IS_ERR(pd_provider->ti_sci)) + return PTR_ERR(pd_provider->ti_sci); + + pd_provider->dev = dev; + + INIT_LIST_HEAD(&pd_provider->pd_list); + + /* Find highest device ID used for power domains */ + while (1) { + np = of_find_node_with_property(np, "power-domains"); + if (!np) + break; + + index = 0; + + while (1) { + ret = of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", + index, &args); + if (ret) + break; + + if (args.args_count >= 1 && args.np == dev->of_node) { + if (args.args[0] > max_id) + max_id = args.args[0]; + + pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); + if (!pd) + return -ENOMEM; + + pd->pd.name = devm_kasprintf(dev, GFP_KERNEL, + "pd:%d", + args.args[0]); + if (!pd->pd.name) + return -ENOMEM; - ti_sci_pd->dev = dev; + pd->pd.power_off = ti_sci_pd_power_off; + pd->pd.power_on = ti_sci_pd_power_on; + pd->idx = args.args[0]; + pd->parent = pd_provider; - ti_sci_pd->pd.name = "ti_sci_pd"; + pm_genpd_init(&pd->pd, NULL, true); - ti_sci_pd->pd.attach_dev = ti_sci_pd_attach_dev; - ti_sci_pd->pd.detach_dev = ti_sci_pd_detach_dev; + list_add(&pd->node, &pd_provider->pd_list); + } + index++; + } + } - ti_sci_pd->pd.dev_ops.start = ti_sci_dev_start; - ti_sci_pd->pd.dev_ops.stop = ti_sci_dev_stop; + pd_provider->data.domains = + devm_kcalloc(dev, max_id + 1, + sizeof(*pd_provider->data.domains), + GFP_KERNEL); - pm_genpd_init(&ti_sci_pd->pd, NULL, true); + pd_provider->data.num_domains = max_id + 1; + pd_provider->data.xlate = ti_sci_pd_xlate; - ret = of_genpd_add_provider_simple(np, &ti_sci_pd->pd); + list_for_each_entry(pd, &pd_provider->pd_list, node) + pd_provider->data.domains[pd->idx] = &pd->pd; - return ret; + return of_genpd_add_provider_onecell(dev->of_node, &pd_provider->data); } static struct platform_driver ti_sci_pm_domains_driver = { diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index b373b1b08b6d..cf4718c6d35d 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -216,6 +216,8 @@ static void optee_get_version(struct tee_device *teedev, if (optee->sec_caps & OPTEE_SMC_SEC_CAP_DYNAMIC_SHM) v.gen_caps |= TEE_GEN_CAP_REG_MEM; + if (optee->sec_caps & OPTEE_SMC_SEC_CAP_MEMREF_NULL) + v.gen_caps |= TEE_GEN_CAP_MEMREF_NULL; *vers = v; } @@ -262,6 +264,11 @@ static int optee_open(struct tee_context *ctx) mutex_init(&ctxdata->mutex); INIT_LIST_HEAD(&ctxdata->sess_list); + if (optee->sec_caps & OPTEE_SMC_SEC_CAP_MEMREF_NULL) + ctx->cap_memref_null = true; + else + ctx->cap_memref_null = false; + ctx->data = ctxdata; return 0; } diff --git a/drivers/tee/optee/optee_msg.h b/drivers/tee/optee/optee_msg.h index 795bc19ae17a..7b2d919da2ac 100644 --- a/drivers/tee/optee/optee_msg.h +++ b/drivers/tee/optee/optee_msg.h @@ -419,4 +419,25 @@ struct optee_msg_arg { */ #define OPTEE_MSG_RPC_CMD_SHM_FREE 7 +/* + * Access a device on an i2c bus + * + * [in] param[0].u.value.a mode: RD(0), WR(1) + * [in] param[0].u.value.b i2c adapter + * [in] param[0].u.value.c i2c chip + * + * [in] param[1].u.value.a i2c control flags + * + * [in/out] memref[2] buffer to exchange the transfer data + * with the secure world + * + * [out] param[3].u.value.a bytes transferred by the driver + */ +#define OPTEE_MSG_RPC_CMD_I2C_TRANSFER 21 +/* I2C master transfer modes */ +#define OPTEE_MSG_RPC_CMD_I2C_TRANSFER_RD 0 +#define OPTEE_MSG_RPC_CMD_I2C_TRANSFER_WR 1 +/* I2C master control flags */ +#define OPTEE_MSG_RPC_CMD_I2C_FLAGS_TEN_BIT BIT(0) + #endif /* _OPTEE_MSG_H */ diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index 8b71839a357e..e25b216a14ef 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -17,6 +17,7 @@ /* Some Global Platform error codes used in this driver */ #define TEEC_SUCCESS 0x00000000 #define TEEC_ERROR_BAD_PARAMETERS 0xFFFF0006 +#define TEEC_ERROR_NOT_SUPPORTED 0xFFFF000A #define TEEC_ERROR_COMMUNICATION 0xFFFF000E #define TEEC_ERROR_OUT_OF_MEMORY 0xFFFF000C #define TEEC_ERROR_SHORT_BUFFER 0xFFFF0010 diff --git a/drivers/tee/optee/optee_smc.h b/drivers/tee/optee/optee_smc.h index c72122d9c997..777ad54d4c2c 100644 --- a/drivers/tee/optee/optee_smc.h +++ b/drivers/tee/optee/optee_smc.h @@ -215,6 +215,9 @@ struct optee_smc_get_shm_config_result { */ #define OPTEE_SMC_SEC_CAP_DYNAMIC_SHM BIT(2) +/* Secure world supports Shared Memory with a NULL buffer reference */ +#define OPTEE_SMC_SEC_CAP_MEMREF_NULL BIT(4) + #define OPTEE_SMC_FUNCID_EXCHANGE_CAPABILITIES 9 #define OPTEE_SMC_EXCHANGE_CAPABILITIES \ OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_EXCHANGE_CAPABILITIES) diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c index b4ade54d1f28..1e3614e4798f 100644 --- a/drivers/tee/optee/rpc.c +++ b/drivers/tee/optee/rpc.c @@ -7,6 +7,7 @@ #include <linux/delay.h> #include <linux/device.h> +#include <linux/i2c.h> #include <linux/slab.h> #include <linux/tee_drv.h> #include "optee_private.h" @@ -49,6 +50,97 @@ bad: arg->ret = TEEC_ERROR_BAD_PARAMETERS; } +#if IS_REACHABLE(CONFIG_I2C) +static void handle_rpc_func_cmd_i2c_transfer(struct tee_context *ctx, + struct optee_msg_arg *arg) +{ + struct i2c_client client = { 0 }; + struct tee_param *params; + size_t i; + int ret = -EOPNOTSUPP; + u8 attr[] = { + TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INPUT, + TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INPUT, + TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT, + TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_OUTPUT, + }; + + if (arg->num_params != ARRAY_SIZE(attr)) { + arg->ret = TEEC_ERROR_BAD_PARAMETERS; + return; + } + + params = kmalloc_array(arg->num_params, sizeof(struct tee_param), + GFP_KERNEL); + if (!params) { + arg->ret = TEEC_ERROR_OUT_OF_MEMORY; + return; + } + + if (optee_from_msg_param(params, arg->num_params, arg->params)) + goto bad; + + for (i = 0; i < arg->num_params; i++) { + if (params[i].attr != attr[i]) + goto bad; + } + + client.adapter = i2c_get_adapter(params[0].u.value.b); + if (!client.adapter) + goto bad; + + if (params[1].u.value.a & OPTEE_MSG_RPC_CMD_I2C_FLAGS_TEN_BIT) { + if (!i2c_check_functionality(client.adapter, + I2C_FUNC_10BIT_ADDR)) { + i2c_put_adapter(client.adapter); + goto bad; + } + + client.flags = I2C_CLIENT_TEN; + } + + client.addr = params[0].u.value.c; + snprintf(client.name, I2C_NAME_SIZE, "i2c%d", client.adapter->nr); + + switch (params[0].u.value.a) { + case OPTEE_MSG_RPC_CMD_I2C_TRANSFER_RD: + ret = i2c_master_recv(&client, params[2].u.memref.shm->kaddr, + params[2].u.memref.size); + break; + case OPTEE_MSG_RPC_CMD_I2C_TRANSFER_WR: + ret = i2c_master_send(&client, params[2].u.memref.shm->kaddr, + params[2].u.memref.size); + break; + default: + i2c_put_adapter(client.adapter); + goto bad; + } + + if (ret < 0) { + arg->ret = TEEC_ERROR_COMMUNICATION; + } else { + params[3].u.value.a = ret; + if (optee_to_msg_param(arg->params, arg->num_params, params)) + arg->ret = TEEC_ERROR_BAD_PARAMETERS; + else + arg->ret = TEEC_SUCCESS; + } + + i2c_put_adapter(client.adapter); + kfree(params); + return; +bad: + kfree(params); + arg->ret = TEEC_ERROR_BAD_PARAMETERS; +} +#else +static void handle_rpc_func_cmd_i2c_transfer(struct tee_context *ctx, + struct optee_msg_arg *arg) +{ + arg->ret = TEEC_ERROR_NOT_SUPPORTED; +} +#endif + static struct wq_entry *wq_entry_get(struct optee_wait_queue *wq, u32 key) { struct wq_entry *w; @@ -382,6 +474,9 @@ static void handle_rpc_func_cmd(struct tee_context *ctx, struct optee *optee, case OPTEE_MSG_RPC_CMD_SHM_FREE: handle_rpc_func_cmd_shm_free(ctx, arg); break; + case OPTEE_MSG_RPC_CMD_I2C_TRANSFER: + handle_rpc_func_cmd_i2c_transfer(ctx, arg); + break; default: handle_rpc_supp_cmd(ctx, arg); } diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 64637e09a095..f53bf336c0a2 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -383,25 +383,38 @@ static int params_from_user(struct tee_context *ctx, struct tee_param *params, case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT: case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT: /* - * If we fail to get a pointer to a shared memory - * object (and increase the ref count) from an - * identifier we return an error. All pointers that - * has been added in params have an increased ref - * count. It's the callers responibility to do - * tee_shm_put() on all resolved pointers. + * If a NULL pointer is passed to a TA in the TEE, + * the ip.c IOCTL parameters is set to TEE_MEMREF_NULL + * indicating a NULL memory reference. */ - shm = tee_shm_get_from_id(ctx, ip.c); - if (IS_ERR(shm)) - return PTR_ERR(shm); - - /* - * Ensure offset + size does not overflow offset - * and does not overflow the size of the referred - * shared memory object. - */ - if ((ip.a + ip.b) < ip.a || - (ip.a + ip.b) > shm->size) { - tee_shm_put(shm); + if (ip.c != TEE_MEMREF_NULL) { + /* + * If we fail to get a pointer to a shared + * memory object (and increase the ref count) + * from an identifier we return an error. All + * pointers that has been added in params have + * an increased ref count. It's the callers + * responibility to do tee_shm_put() on all + * resolved pointers. + */ + shm = tee_shm_get_from_id(ctx, ip.c); + if (IS_ERR(shm)) + return PTR_ERR(shm); + + /* + * Ensure offset + size does not overflow + * offset and does not overflow the size of + * the referred shared memory object. + */ + if ((ip.a + ip.b) < ip.a || + (ip.a + ip.b) > shm->size) { + tee_shm_put(shm); + return -EINVAL; + } + } else if (ctx->cap_memref_null) { + /* Pass NULL pointer to OP-TEE */ + shm = NULL; + } else { return -EINVAL; } @@ -917,7 +930,6 @@ struct tee_device *tee_device_alloc(const struct tee_desc *teedesc, cdev_init(&teedev->cdev, &tee_fops); teedev->cdev.owner = teedesc->owner; - teedev->cdev.kobj.parent = &teedev->dev.kobj; dev_set_drvdata(&teedev->dev, driver_data); device_initialize(&teedev->dev); @@ -963,9 +975,7 @@ static struct attribute *tee_dev_attrs[] = { NULL }; -static const struct attribute_group tee_dev_group = { - .attrs = tee_dev_attrs, -}; +ATTRIBUTE_GROUPS(tee_dev); /** * tee_device_register() - Registers a TEE device @@ -985,39 +995,19 @@ int tee_device_register(struct tee_device *teedev) return -EINVAL; } - rc = cdev_add(&teedev->cdev, teedev->dev.devt, 1); - if (rc) { - dev_err(&teedev->dev, - "unable to cdev_add() %s, major %d, minor %d, err=%d\n", - teedev->name, MAJOR(teedev->dev.devt), - MINOR(teedev->dev.devt), rc); - return rc; - } + teedev->dev.groups = tee_dev_groups; - rc = device_add(&teedev->dev); + rc = cdev_device_add(&teedev->cdev, &teedev->dev); if (rc) { dev_err(&teedev->dev, - "unable to device_add() %s, major %d, minor %d, err=%d\n", + "unable to cdev_device_add() %s, major %d, minor %d, err=%d\n", teedev->name, MAJOR(teedev->dev.devt), MINOR(teedev->dev.devt), rc); - goto err_device_add; - } - - rc = sysfs_create_group(&teedev->dev.kobj, &tee_dev_group); - if (rc) { - dev_err(&teedev->dev, - "failed to create sysfs attributes, err=%d\n", rc); - goto err_sysfs_create_group; + return rc; } teedev->flags |= TEE_DEVICE_FLAG_REGISTERED; return 0; - -err_sysfs_create_group: - device_del(&teedev->dev); -err_device_add: - cdev_del(&teedev->cdev); - return rc; } EXPORT_SYMBOL_GPL(tee_device_register); @@ -1060,11 +1050,8 @@ void tee_device_unregister(struct tee_device *teedev) if (!teedev) return; - if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) { - sysfs_remove_group(&teedev->dev.kobj, &tee_dev_group); - cdev_del(&teedev->cdev); - device_del(&teedev->dev); - } + if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) + cdev_device_del(&teedev->cdev, &teedev->dev); tee_device_put(teedev); wait_for_completion(&teedev->c_no_users); diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 827ac3d0fea9..00472f5ce22e 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -12,6 +12,22 @@ #include <linux/uio.h> #include "tee_private.h" +static void release_registered_pages(struct tee_shm *shm) +{ + if (shm->pages) { + if (shm->flags & TEE_SHM_USER_MAPPED) { + unpin_user_pages(shm->pages, shm->num_pages); + } else { + size_t n; + + for (n = 0; n < shm->num_pages; n++) + put_page(shm->pages[n]); + } + + kfree(shm->pages); + } +} + static void tee_shm_release(struct tee_shm *shm) { struct tee_device *teedev = shm->ctx->teedev; @@ -32,17 +48,13 @@ static void tee_shm_release(struct tee_shm *shm) poolm->ops->free(poolm, shm); } else if (shm->flags & TEE_SHM_REGISTER) { - size_t n; int rc = teedev->desc->ops->shm_unregister(shm->ctx, shm); if (rc) dev_err(teedev->dev.parent, "unregister shm %p failed: %d", shm, rc); - for (n = 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); - - kfree(shm->pages); + release_registered_pages(shm); } teedev_ctx_put(shm->ctx); @@ -228,7 +240,7 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, } if (flags & TEE_SHM_USER_MAPPED) { - rc = get_user_pages_fast(start, num_pages, FOLL_WRITE, + rc = pin_user_pages_fast(start, num_pages, FOLL_WRITE, shm->pages); } else { struct kvec *kiov; @@ -292,18 +304,12 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, return shm; err: if (shm) { - size_t n; - if (shm->id >= 0) { mutex_lock(&teedev->mutex); idr_remove(&teedev->idr, shm->id); mutex_unlock(&teedev->mutex); } - if (shm->pages) { - for (n = 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); - kfree(shm->pages); - } + release_registered_pages(shm); } kfree(shm); teedev_ctx_put(ctx); diff --git a/include/dt-bindings/power/meson-axg-power.h b/include/dt-bindings/power/meson-axg-power.h new file mode 100644 index 000000000000..e5243884b249 --- /dev/null +++ b/include/dt-bindings/power/meson-axg-power.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ +/* + * Copyright (c) 2020 BayLibre, SAS + * Author: Neil Armstrong <narmstrong@baylibre.com> + */ + +#ifndef _DT_BINDINGS_MESON_AXG_POWER_H +#define _DT_BINDINGS_MESON_AXG_POWER_H + +#define PWRC_AXG_VPU_ID 0 +#define PWRC_AXG_ETHERNET_MEM_ID 1 +#define PWRC_AXG_AUDIO_ID 2 + +#endif diff --git a/include/dt-bindings/reset/imx8mq-reset.h b/include/dt-bindings/reset/imx8mq-reset.h index a5b570737582..705870693ec2 100644 --- a/include/dt-bindings/reset/imx8mq-reset.h +++ b/include/dt-bindings/reset/imx8mq-reset.h @@ -58,7 +58,10 @@ #define IMX8MQ_RESET_DDRC2_PRST 47 /* i.MX8MM/i.MX8MN does NOT support */ #define IMX8MQ_RESET_DDRC2_CORE_RESET 48 /* i.MX8MM/i.MX8MN does NOT support */ #define IMX8MQ_RESET_DDRC2_PHY_RESET 49 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_SW_M4C_RST 50 +#define IMX8MQ_RESET_SW_M4P_RST 51 +#define IMX8MQ_RESET_M4_ENABLE 52 -#define IMX8MQ_RESET_NUM 50 +#define IMX8MQ_RESET_NUM 53 #endif diff --git a/include/dt-bindings/reset/xlnx-versal-resets.h b/include/dt-bindings/reset/xlnx-versal-resets.h new file mode 100644 index 000000000000..895424e9b0e5 --- /dev/null +++ b/include/dt-bindings/reset/xlnx-versal-resets.h @@ -0,0 +1,105 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Xilinx, Inc. + */ + +#ifndef _DT_BINDINGS_VERSAL_RESETS_H +#define _DT_BINDINGS_VERSAL_RESETS_H + +#define VERSAL_RST_PMC_POR (0xc30c001U) +#define VERSAL_RST_PMC (0xc410002U) +#define VERSAL_RST_PS_POR (0xc30c003U) +#define VERSAL_RST_PL_POR (0xc30c004U) +#define VERSAL_RST_NOC_POR (0xc30c005U) +#define VERSAL_RST_FPD_POR (0xc30c006U) +#define VERSAL_RST_ACPU_0_POR (0xc30c007U) +#define VERSAL_RST_ACPU_1_POR (0xc30c008U) +#define VERSAL_RST_OCM2_POR (0xc30c009U) +#define VERSAL_RST_PS_SRST (0xc41000aU) +#define VERSAL_RST_PL_SRST (0xc41000bU) +#define VERSAL_RST_NOC (0xc41000cU) +#define VERSAL_RST_NPI (0xc41000dU) +#define VERSAL_RST_SYS_RST_1 (0xc41000eU) +#define VERSAL_RST_SYS_RST_2 (0xc41000fU) +#define VERSAL_RST_SYS_RST_3 (0xc410010U) +#define VERSAL_RST_FPD (0xc410011U) +#define VERSAL_RST_PL0 (0xc410012U) +#define VERSAL_RST_PL1 (0xc410013U) +#define VERSAL_RST_PL2 (0xc410014U) +#define VERSAL_RST_PL3 (0xc410015U) +#define VERSAL_RST_APU (0xc410016U) +#define VERSAL_RST_ACPU_0 (0xc410017U) +#define VERSAL_RST_ACPU_1 (0xc410018U) +#define VERSAL_RST_ACPU_L2 (0xc410019U) +#define VERSAL_RST_ACPU_GIC (0xc41001aU) +#define VERSAL_RST_RPU_ISLAND (0xc41001bU) +#define VERSAL_RST_RPU_AMBA (0xc41001cU) +#define VERSAL_RST_R5_0 (0xc41001dU) +#define VERSAL_RST_R5_1 (0xc41001eU) +#define VERSAL_RST_SYSMON_PMC_SEQ_RST (0xc41001fU) +#define VERSAL_RST_SYSMON_PMC_CFG_RST (0xc410020U) +#define VERSAL_RST_SYSMON_FPD_CFG_RST (0xc410021U) +#define VERSAL_RST_SYSMON_FPD_SEQ_RST (0xc410022U) +#define VERSAL_RST_SYSMON_LPD (0xc410023U) +#define VERSAL_RST_PDMA_RST1 (0xc410024U) +#define VERSAL_RST_PDMA_RST0 (0xc410025U) +#define VERSAL_RST_ADMA (0xc410026U) +#define VERSAL_RST_TIMESTAMP (0xc410027U) +#define VERSAL_RST_OCM (0xc410028U) +#define VERSAL_RST_OCM2_RST (0xc410029U) +#define VERSAL_RST_IPI (0xc41002aU) +#define VERSAL_RST_SBI (0xc41002bU) +#define VERSAL_RST_LPD (0xc41002cU) +#define VERSAL_RST_QSPI (0xc10402dU) +#define VERSAL_RST_OSPI (0xc10402eU) +#define VERSAL_RST_SDIO_0 (0xc10402fU) +#define VERSAL_RST_SDIO_1 (0xc104030U) +#define VERSAL_RST_I2C_PMC (0xc104031U) +#define VERSAL_RST_GPIO_PMC (0xc104032U) +#define VERSAL_RST_GEM_0 (0xc104033U) +#define VERSAL_RST_GEM_1 (0xc104034U) +#define VERSAL_RST_SPARE (0xc104035U) +#define VERSAL_RST_USB_0 (0xc104036U) +#define VERSAL_RST_UART_0 (0xc104037U) +#define VERSAL_RST_UART_1 (0xc104038U) +#define VERSAL_RST_SPI_0 (0xc104039U) +#define VERSAL_RST_SPI_1 (0xc10403aU) +#define VERSAL_RST_CAN_FD_0 (0xc10403bU) +#define VERSAL_RST_CAN_FD_1 (0xc10403cU) +#define VERSAL_RST_I2C_0 (0xc10403dU) +#define VERSAL_RST_I2C_1 (0xc10403eU) +#define VERSAL_RST_GPIO_LPD (0xc10403fU) +#define VERSAL_RST_TTC_0 (0xc104040U) +#define VERSAL_RST_TTC_1 (0xc104041U) +#define VERSAL_RST_TTC_2 (0xc104042U) +#define VERSAL_RST_TTC_3 (0xc104043U) +#define VERSAL_RST_SWDT_FPD (0xc104044U) +#define VERSAL_RST_SWDT_LPD (0xc104045U) +#define VERSAL_RST_USB (0xc104046U) +#define VERSAL_RST_DPC (0xc208047U) +#define VERSAL_RST_PMCDBG (0xc208048U) +#define VERSAL_RST_DBG_TRACE (0xc208049U) +#define VERSAL_RST_DBG_FPD (0xc20804aU) +#define VERSAL_RST_DBG_TSTMP (0xc20804bU) +#define VERSAL_RST_RPU0_DBG (0xc20804cU) +#define VERSAL_RST_RPU1_DBG (0xc20804dU) +#define VERSAL_RST_HSDP (0xc20804eU) +#define VERSAL_RST_DBG_LPD (0xc20804fU) +#define VERSAL_RST_CPM_POR (0xc30c050U) +#define VERSAL_RST_CPM (0xc410051U) +#define VERSAL_RST_CPMDBG (0xc208052U) +#define VERSAL_RST_PCIE_CFG (0xc410053U) +#define VERSAL_RST_PCIE_CORE0 (0xc410054U) +#define VERSAL_RST_PCIE_CORE1 (0xc410055U) +#define VERSAL_RST_PCIE_DMA (0xc410056U) +#define VERSAL_RST_CMN (0xc410057U) +#define VERSAL_RST_L2_0 (0xc410058U) +#define VERSAL_RST_L2_1 (0xc410059U) +#define VERSAL_RST_ADDR_REMAP (0xc41005aU) +#define VERSAL_RST_CPI0 (0xc41005bU) +#define VERSAL_RST_CPI1 (0xc41005cU) +#define VERSAL_RST_XRAM (0xc30c05dU) +#define VERSAL_RST_AIE_ARRAY (0xc10405eU) +#define VERSAL_RST_AIE_SHIM (0xc10405fU) + +#endif diff --git a/include/dt-bindings/soc/bcm6318-pm.h b/include/dt-bindings/soc/bcm6318-pm.h new file mode 100644 index 000000000000..05931dce8333 --- /dev/null +++ b/include/dt-bindings/soc/bcm6318-pm.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __DT_BINDINGS_BMIPS_BCM6318_PM_H +#define __DT_BINDINGS_BMIPS_BCM6318_PM_H + +#define BCM6318_POWER_DOMAIN_PCIE 0 +#define BCM6318_POWER_DOMAIN_USB 1 +#define BCM6318_POWER_DOMAIN_EPHY0 2 +#define BCM6318_POWER_DOMAIN_EPHY1 3 +#define BCM6318_POWER_DOMAIN_EPHY2 4 +#define BCM6318_POWER_DOMAIN_EPHY3 5 +#define BCM6318_POWER_DOMAIN_LDO2P5 6 +#define BCM6318_POWER_DOMAIN_LDO2P9 7 +#define BCM6318_POWER_DOMAIN_SW1P0 8 +#define BCM6318_POWER_DOMAIN_PAD 9 + +#endif /* __DT_BINDINGS_BMIPS_BCM6318_PM_H */ diff --git a/include/dt-bindings/soc/bcm63268-pm.h b/include/dt-bindings/soc/bcm63268-pm.h new file mode 100644 index 000000000000..84ded53a732f --- /dev/null +++ b/include/dt-bindings/soc/bcm63268-pm.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __DT_BINDINGS_BMIPS_BCM63268_PM_H +#define __DT_BINDINGS_BMIPS_BCM63268_PM_H + +#define BCM63268_POWER_DOMAIN_SAR 0 +#define BCM63268_POWER_DOMAIN_IPSEC 1 +#define BCM63268_POWER_DOMAIN_MIPS 2 +#define BCM63268_POWER_DOMAIN_DECT 3 +#define BCM63268_POWER_DOMAIN_USBH 4 +#define BCM63268_POWER_DOMAIN_USBD 5 +#define BCM63268_POWER_DOMAIN_ROBOSW 6 +#define BCM63268_POWER_DOMAIN_PCM 7 +#define BCM63268_POWER_DOMAIN_PERIPH 8 +#define BCM63268_POWER_DOMAIN_VDSL_PHY 9 +#define BCM63268_POWER_DOMAIN_VDSL_MIPS 10 +#define BCM63268_POWER_DOMAIN_FAP 11 +#define BCM63268_POWER_DOMAIN_PCIE 12 +#define BCM63268_POWER_DOMAIN_WLAN_PADS 13 + +#endif /* __DT_BINDINGS_BMIPS_BCM63268_PM_H */ diff --git a/include/dt-bindings/soc/bcm6328-pm.h b/include/dt-bindings/soc/bcm6328-pm.h new file mode 100644 index 000000000000..557e1a69b7f7 --- /dev/null +++ b/include/dt-bindings/soc/bcm6328-pm.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __DT_BINDINGS_BMIPS_BCM6328_PM_H +#define __DT_BINDINGS_BMIPS_BCM6328_PM_H + +#define BCM6328_POWER_DOMAIN_ADSL2_MIPS 0 +#define BCM6328_POWER_DOMAIN_ADSL2_PHY 1 +#define BCM6328_POWER_DOMAIN_ADSL2_AFE 2 +#define BCM6328_POWER_DOMAIN_SAR 3 +#define BCM6328_POWER_DOMAIN_PCM 4 +#define BCM6328_POWER_DOMAIN_USBD 5 +#define BCM6328_POWER_DOMAIN_USBH 6 +#define BCM6328_POWER_DOMAIN_PCIE 7 +#define BCM6328_POWER_DOMAIN_ROBOSW 8 +#define BCM6328_POWER_DOMAIN_EPHY 9 + +#endif /* __DT_BINDINGS_BMIPS_BCM6328_PM_H */ diff --git a/include/dt-bindings/soc/bcm6362-pm.h b/include/dt-bindings/soc/bcm6362-pm.h new file mode 100644 index 000000000000..d087ba63c7a1 --- /dev/null +++ b/include/dt-bindings/soc/bcm6362-pm.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __DT_BINDINGS_BMIPS_BCM6362_PM_H +#define __DT_BINDINGS_BMIPS_BCM6362_PM_H + +#define BCM6362_POWER_DOMAIN_SAR 0 +#define BCM6362_POWER_DOMAIN_IPSEC 1 +#define BCM6362_POWER_DOMAIN_MIPS 2 +#define BCM6362_POWER_DOMAIN_DECT 3 +#define BCM6362_POWER_DOMAIN_USBH 4 +#define BCM6362_POWER_DOMAIN_USBD 5 +#define BCM6362_POWER_DOMAIN_ROBOSW 6 +#define BCM6362_POWER_DOMAIN_PCM 7 +#define BCM6362_POWER_DOMAIN_PERIPH 8 +#define BCM6362_POWER_DOMAIN_ADSL_PHY 9 +#define BCM6362_POWER_DOMAIN_GMII_PADS 10 +#define BCM6362_POWER_DOMAIN_FAP 11 +#define BCM6362_POWER_DOMAIN_PCIE 12 +#define BCM6362_POWER_DOMAIN_WLAN_PADS 13 + +#endif /* __DT_BINDINGS_BMIPS_BCM6362_PM_H */ diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index 05eea1aef5aa..d5a983d65f05 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -28,8 +28,7 @@ * bit 16-27: update value * bit 31: 1 - update, 0 - no update */ -#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | \ - CMDQ_WFE_WAIT_VALUE) +#define CMDQ_WFE_OPTION (CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE) /** cmdq event maximum */ #define CMDQ_MAX_EVENT 0x3ff @@ -60,6 +59,9 @@ enum cmdq_code { CMDQ_CODE_JUMP = 0x10, CMDQ_CODE_WFE = 0x20, CMDQ_CODE_EOC = 0x40, + CMDQ_CODE_READ_S = 0x80, + CMDQ_CODE_WRITE_S = 0x90, + CMDQ_CODE_WRITE_S_MASK = 0x91, CMDQ_CODE_LOGIC = 0xa0, }; diff --git a/include/linux/pruss_driver.h b/include/linux/pruss_driver.h new file mode 100644 index 000000000000..ecfded30ed05 --- /dev/null +++ b/include/linux/pruss_driver.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * PRU-ICSS sub-system specific definitions + * + * Copyright (C) 2014-2020 Texas Instruments Incorporated - http://www.ti.com/ + * Suman Anna <s-anna@ti.com> + */ + +#ifndef _PRUSS_DRIVER_H_ +#define _PRUSS_DRIVER_H_ + +#include <linux/types.h> + +/* + * enum pruss_mem - PRUSS memory range identifiers + */ +enum pruss_mem { + PRUSS_MEM_DRAM0 = 0, + PRUSS_MEM_DRAM1, + PRUSS_MEM_SHRD_RAM2, + PRUSS_MEM_MAX, +}; + +/** + * struct pruss_mem_region - PRUSS memory region structure + * @va: kernel virtual address of the PRUSS memory region + * @pa: physical (bus) address of the PRUSS memory region + * @size: size of the PRUSS memory region + */ +struct pruss_mem_region { + void __iomem *va; + phys_addr_t pa; + size_t size; +}; + +/** + * struct pruss - PRUSS parent structure + * @dev: pruss device pointer + * @cfg_base: base iomap for CFG region + * @cfg_regmap: regmap for config region + * @mem_regions: data for each of the PRUSS memory regions + * @core_clk_mux: clk handle for PRUSS CORE_CLK_MUX + * @iep_clk_mux: clk handle for PRUSS IEP_CLK_MUX + */ +struct pruss { + struct device *dev; + void __iomem *cfg_base; + struct regmap *cfg_regmap; + struct pruss_mem_region mem_regions[PRUSS_MEM_MAX]; + struct clk *core_clk_mux; + struct clk *iep_clk_mux; +}; + +#endif /* _PRUSS_DRIVER_H_ */ diff --git a/include/linux/qcom-geni-se.h b/include/linux/qcom-geni-se.h index 1c31f26ccc7a..f7bbea3f09ca 100644 --- a/include/linux/qcom-geni-se.h +++ b/include/linux/qcom-geni-se.h @@ -299,7 +299,7 @@ static inline void geni_se_setup_m_cmd(struct geni_se *se, u32 cmd, u32 params) u32 m_cmd; m_cmd = (cmd << M_OPCODE_SHFT) | (params & M_PARAMS_MSK); - writel_relaxed(m_cmd, se->base + SE_GENI_M_CMD0); + writel(m_cmd, se->base + SE_GENI_M_CMD0); } /** @@ -319,7 +319,7 @@ static inline void geni_se_setup_s_cmd(struct geni_se *se, u32 cmd, u32 params) s_cmd &= ~(S_OPCODE_MSK | S_PARAMS_MSK); s_cmd |= (cmd << S_OPCODE_SHFT); s_cmd |= (params & S_PARAMS_MSK); - writel_relaxed(s_cmd, se->base + SE_GENI_S_CMD0); + writel(s_cmd, se->base + SE_GENI_S_CMD0); } /** diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 7e5dd7d1e221..9cd312a1ff92 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -279,12 +279,12 @@ struct scmi_notify_ops { struct scmi_handle { struct device *dev; struct scmi_revision_info *version; - struct scmi_perf_ops *perf_ops; - struct scmi_clk_ops *clk_ops; - struct scmi_power_ops *power_ops; - struct scmi_sensor_ops *sensor_ops; - struct scmi_reset_ops *reset_ops; - struct scmi_notify_ops *notify_ops; + const struct scmi_perf_ops *perf_ops; + const struct scmi_clk_ops *clk_ops; + const struct scmi_power_ops *power_ops; + const struct scmi_sensor_ops *sensor_ops; + const struct scmi_reset_ops *reset_ops; + const struct scmi_notify_ops *notify_ops; /* for protocol internal use */ void *perf_priv; void *clk_priv; @@ -292,6 +292,7 @@ struct scmi_handle { void *sensor_priv; void *reset_priv; void *notify_priv; + void *system_priv; }; enum scmi_std_protocol { @@ -304,6 +305,15 @@ enum scmi_std_protocol { SCMI_PROTOCOL_RESET = 0x16, }; +enum scmi_system_events { + SCMI_SYSTEM_SHUTDOWN, + SCMI_SYSTEM_COLDRESET, + SCMI_SYSTEM_WARMRESET, + SCMI_SYSTEM_POWERUP, + SCMI_SYSTEM_SUSPEND, + SCMI_SYSTEM_MAX +}; + struct scmi_device { u32 id; u8 protocol_id; @@ -335,7 +345,7 @@ struct scmi_driver { #define to_scmi_driver(d) container_of(d, struct scmi_driver, driver) -#ifdef CONFIG_ARM_SCMI_PROTOCOL +#if IS_REACHABLE(CONFIG_ARM_SCMI_PROTOCOL) int scmi_driver_register(struct scmi_driver *driver, struct module *owner, const char *mod_name); void scmi_driver_unregister(struct scmi_driver *driver); @@ -378,6 +388,7 @@ enum scmi_notification_events { SCMI_EVENT_SENSOR_TRIP_POINT_EVENT = 0x0, SCMI_EVENT_RESET_ISSUED = 0x0, SCMI_EVENT_BASE_ERROR_EVENT = 0x0, + SCMI_EVENT_SYSTEM_POWER_STATE_NOTIFIER = 0x0, }; struct scmi_power_state_changed_report { @@ -387,6 +398,13 @@ struct scmi_power_state_changed_report { unsigned int power_state; }; +struct scmi_system_power_state_notifier_report { + ktime_t timestamp; + unsigned int agent_id; + unsigned int flags; + unsigned int system_state; +}; + struct scmi_perf_limits_report { ktime_t timestamp; unsigned int agent_id; diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 2249ecaf77e4..960704d75994 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -12,6 +12,8 @@ #include <linux/timer.h> #define CMDQ_NO_TIMEOUT 0xffffffffu +#define CMDQ_ADDR_HIGH(addr) ((u32)(((addr) >> 16) & GENMASK(31, 0))) +#define CMDQ_ADDR_LOW(addr) ((u16)(addr) | BIT(1)) struct cmdq_pkt; @@ -102,14 +104,90 @@ int cmdq_pkt_write(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value); int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value, u32 mask); +/* + * cmdq_pkt_read_s() - append read_s command to the CMDQ packet + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @reg_idx: the CMDQ internal register ID to cache read data + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_read_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, u16 addr_low, + u16 reg_idx); + +/** + * cmdq_pkt_write_s() - append write_s command to the CMDQ packet + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @src_reg_idx: the CMDQ internal register ID which cache source value + * + * Return: 0 for success; else the error code is returned + * + * Support write value to physical address without subsys. Use CMDQ_ADDR_HIGH() + * to get high address and call cmdq_pkt_assign() to assign value into internal + * reg. Also use CMDQ_ADDR_LOW() to get low address for addr_low parameter when + * call to this function. + */ +int cmdq_pkt_write_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, + u16 addr_low, u16 src_reg_idx); + +/** + * cmdq_pkt_write_s_mask() - append write_s with mask command to the CMDQ packet + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @src_reg_idx: the CMDQ internal register ID which cache source value + * @mask: the specified target address mask, use U32_MAX if no need + * + * Return: 0 for success; else the error code is returned + * + * Support write value to physical address without subsys. Use CMDQ_ADDR_HIGH() + * to get high address and call cmdq_pkt_assign() to assign value into internal + * reg. Also use CMDQ_ADDR_LOW() to get low address for addr_low parameter when + * call to this function. + */ +int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, + u16 addr_low, u16 src_reg_idx, u32 mask); + +/** + * cmdq_pkt_write_s_value() - append write_s command to the CMDQ packet which + * write value to a physical address + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @value: the specified target value + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value); + +/** + * cmdq_pkt_write_s_mask_value() - append write_s command with mask to the CMDQ + * packet which write value to a physical + * address + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @value: the specified target value + * @mask: the specified target mask + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value, u32 mask); + /** * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet * @pkt: the CMDQ packet - * @event: the desired event type to "wait and CLEAR" + * @event: the desired event type to wait + * @clear: clear event or not after event arrive * * Return: 0 for success; else the error code is returned */ -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear); /** * cmdq_pkt_clear_event() - append clear event command to the CMDQ packet @@ -176,6 +254,17 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value); /** + * cmdq_pkt_jump() - Append jump command to the CMDQ packet, ask GCE + * to execute an instruction that change current thread PC to + * a physical address which should contains more instruction. + * @pkt: the CMDQ packet + * @addr: physical address of target instruction buffer + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr); + +/** * cmdq_pkt_finalize() - Append EOC and jump command to pkt. * @pkt: the CMDQ packet * diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index d074302989dd..cdd049a724b1 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -47,6 +47,8 @@ struct tee_shm_pool; * and just return with an error code. It is needed for requests * that arises from TEE based kernel drivers that should be * non-blocking in nature. + * @cap_memref_null: flag indicating if the TEE Client support shared + * memory buffer with a NULL pointer. */ struct tee_context { struct tee_device *teedev; @@ -54,6 +56,7 @@ struct tee_context { struct kref refcount; bool releasing; bool supp_nowait; + bool cap_memref_null; }; struct tee_param_memref { diff --git a/include/soc/fsl/qman.h b/include/soc/fsl/qman.h index cfe00e08e85b..9f484113cfda 100644 --- a/include/soc/fsl/qman.h +++ b/include/soc/fsl/qman.h @@ -256,7 +256,7 @@ struct qm_dqrr_entry { __be32 context_b; struct qm_fd fd; u8 __reserved4[32]; -} __packed; +} __packed __aligned(64); #define QM_DQRR_VERB_VBIT 0x80 #define QM_DQRR_VERB_MASK 0x7f /* where the verb contains; */ #define QM_DQRR_VERB_FRAME_DEQUEUE 0x60 /* "this format" */ @@ -289,7 +289,7 @@ union qm_mr_entry { __be32 tag; struct qm_fd fd; u8 __reserved1[32]; - } __packed ern; + } __packed __aligned(64) ern; struct { u8 verb; u8 fqs; /* Frame Queue Status */ diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h index 1097feca41ed..c702bd2911bc 100644 --- a/include/soc/tegra/fuse.h +++ b/include/soc/tegra/fuse.h @@ -14,6 +14,7 @@ #define TEGRA210 0x21 #define TEGRA186 0x18 #define TEGRA194 0x19 +#define TEGRA234 0x23 #define TEGRA_FUSE_SKU_CALIB_0 0xf0 #define TEGRA30_FUSE_SATA_CALIB 0x124 @@ -23,6 +24,8 @@ u32 tegra_read_chipid(void); u8 tegra_get_chip_id(void); +u8 tegra_get_platform(void); +bool tegra_is_silicon(void); enum tegra_revision { TEGRA_REVISION_UNKNOWN = 0, diff --git a/include/uapi/linux/tee.h b/include/uapi/linux/tee.h index b619f37ee03e..d67cadf221fc 100644 --- a/include/uapi/linux/tee.h +++ b/include/uapi/linux/tee.h @@ -51,6 +51,9 @@ #define TEE_GEN_CAP_GP (1 << 0)/* GlobalPlatform compliant TEE */ #define TEE_GEN_CAP_PRIVILEGED (1 << 1)/* Privileged device (for supplicant) */ #define TEE_GEN_CAP_REG_MEM (1 << 2)/* Supports registering shared memory */ +#define TEE_GEN_CAP_MEMREF_NULL (1 << 3)/* NULL MemRef support */ + +#define TEE_MEMREF_NULL (__u64)(-1) /* NULL MemRef Buffer */ /* * TEE Implementation ID @@ -200,6 +203,16 @@ struct tee_ioctl_buf_data { * a part of a shared memory by specifying an offset (@a) and size (@b) of * the object. To supply the entire shared memory object set the offset * (@a) to 0 and size (@b) to the previously returned size of the object. + * + * A client may need to present a NULL pointer in the argument + * passed to a trusted application in the TEE. + * This is also a requirement in GlobalPlatform Client API v1.0c + * (section 3.2.5 memory references), which can be found at + * http://www.globalplatform.org/specificationsdevice.asp + * + * If a NULL pointer is passed to a TA in the TEE, the (@c) + * IOCTL parameters value must be set to TEE_MEMREF_NULL indicating a NULL + * memory reference. */ struct tee_ioctl_param { __u64 attr; |