summaryrefslogtreecommitdiff
path: root/drivers/memory/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/memory/Kconfig')
-rw-r--r--drivers/memory/Kconfig140
1 files changed, 114 insertions, 26 deletions
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index 2d91b00e3591..79df0d22e218 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -1,12 +1,27 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Memory devices
#
menuconfig MEMORY
bool "Memory Controller drivers"
+ help
+ This option allows to enable specific memory controller drivers,
+ useful mostly on embedded systems. These could be controllers
+ for DRAM (SDR, DDR), ROM, SRAM and others. The drivers features
+ vary from memory tuning and frequency scaling to enabling
+ access to attached peripherals through memory bus.
if MEMORY
+config DDR
+ bool
+ help
+ Data from JEDEC specs for DDR SDRAM memories,
+ particularly the AC timing parameters and addressing
+ information. This data is useful for drivers handling
+ DDR SDRAM controllers.
+
config ARM_PL172_MPMC
tristate "ARM PL172 MPMC driver"
depends on ARM_AMBA && OF
@@ -15,20 +30,11 @@ config ARM_PL172_MPMC
If you have an embedded system with an AMBA bus and a PL172
controller, say Y or M here.
-config ATMEL_SDRAMC
- bool "Atmel (Multi-port DDR-)SDRAM Controller"
- default y
- depends on ARCH_AT91 && OF
- help
- This driver is for Atmel SDRAM Controller or Atmel Multi-port
- DDR-SDRAM Controller available on Atmel AT91SAM9 and SAMA5 SoCs.
- Starting with the at91sam9g45, this controller supports SDR, DDR and
- LP-DDR memories.
-
config ATMEL_EBI
bool "Atmel EBI driver"
- default y
- depends on ARCH_AT91 && OF
+ default ARCH_AT91
+ depends on ARCH_AT91 || COMPILE_TEST
+ depends on OF
select MFD_SYSCON
select MFD_ATMEL_SMC
help
@@ -37,9 +43,42 @@ config ATMEL_EBI
tree is used. This bus supports NANDs, external ethernet controller,
SRAMs, ATA devices, etc.
+config BRCMSTB_DPFE
+ tristate "Broadcom STB DPFE driver"
+ default 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 BRCMSTB_MEMC
+ tristate "Broadcom STB MEMC driver"
+ default ARCH_BRCMSTB
+ depends on ARCH_BRCMSTB || COMPILE_TEST
+ help
+ This driver provides a way to configure the Broadcom STB memory
+ controller and specifically control the Self Refresh Power Down
+ (SRPD) inactivity timeout.
+
+config BT1_L2_CTL
+ bool "Baikal-T1 CM2 L2-RAM Cache Control Block"
+ depends on MIPS_BAIKAL_T1 || COMPILE_TEST
+ select MFD_SYSCON
+ help
+ Baikal-T1 CPU is based on the MIPS P5600 Warrior IP-core. The CPU
+ resides Coherency Manager v2 with embedded 1MB L2-cache. It's
+ possible to tune the L2 cache performance up by setting the data,
+ tags and way-select latencies of RAM access. This driver provides a
+ dt properties-based and sysfs interface for it.
+
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
@@ -50,7 +89,7 @@ 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
@@ -62,7 +101,9 @@ config TI_EMIF
temperature changes
config OMAP_GPMC
- bool
+ tristate "Texas Instruments OMAP SoC GPMC driver"
+ depends on OF_ADDRESS
+ depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
select GPIOLIB
help
This driver is for the General Purpose Memory Controller (GPMC)
@@ -86,7 +127,8 @@ 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 && CPU_V7 && 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
@@ -94,10 +136,20 @@ config TI_EMIF_SRAM
sequence so this driver provides several relocatable PM functions
for the SoC PM code to use.
+config FPGA_DFL_EMIF
+ tristate "FPGA DFL EMIF Driver"
+ depends on FPGA_DFL && HAS_IOMEM
+ help
+ This driver is for the EMIF private feature implemented under
+ FPGA Device Feature List (DFL) framework. It is used to expose
+ memory interface status information as well as memory clearing
+ control.
+
config MVEBU_DEVBUS
bool "Marvell EBU Device Bus Controller"
- default y
- depends on PLAT_ORION && OF
+ default 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
@@ -106,7 +158,7 @@ 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
@@ -115,14 +167,13 @@ config FSL_CORENET_CF
represents a coherency violation.
config FSL_IFC
- bool
+ bool "Freescale IFC driver"
depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST
depends on HAS_IOMEM
config JZ4780_NEMC
bool "Ingenic JZ4780 SoC NEMC driver"
- default y
- depends on MACH_JZ4780 || COMPILE_TEST
+ depends on MIPS || COMPILE_TEST
depends on HAS_IOMEM && OF
help
This driver is for the NAND/External Memory Controller (NEMC) in
@@ -130,7 +181,7 @@ config JZ4780_NEMC
memory devices such as NAND and SRAM.
config MTK_SMI
- bool
+ tristate "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,
@@ -139,7 +190,7 @@ 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
@@ -147,13 +198,50 @@ config DA8XX_DDRCTL
config PL353_SMC
tristate "ARM PL35X Static Memory Controller(SMC) driver"
- default y
- depends on ARM
+ default ARM
+ depends on ARM || COMPILE_TEST
depends on ARM_AMBA
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 || COMPILE_TEST
+ select REGMAP_MMIO
+ select RESET_CONTROLLER
+ help
+ This supports Renesas R-Car Gen3 or RZ/G2 RPC-IF which provides
+ either SPI host or HyperFlash. You'll have to select individual
+ components under the corresponding menu.
+
+config STM32_FMC2_EBI
+ tristate "Support for FMC2 External Bus Interface on STM32MP SoCs"
+ depends on ARCH_STM32 || COMPILE_TEST
+ select MFD_SYSCON
+ help
+ Select this option to enable the STM32 FMC2 External Bus Interface
+ controller. This driver configures the transactions with external
+ devices (like SRAM, ethernet adapters, FPGAs, LCD displays, ...) on
+ SOCs containing the FMC2 External Bus Interface.
+
+config STM32_OMM
+ tristate "STM32 Octo Memory Manager"
+ depends on SPI_STM32_OSPI || COMPILE_TEST
+ help
+ This driver manages the muxing between the 2 OSPI busses and
+ the 2 output ports. There are 4 possible muxing configurations:
+ - direct mode (no multiplexing): OSPI1 output is on port 1 and OSPI2
+ output is on port 2
+ - OSPI1 and OSPI2 are multiplexed over the same output port 1
+ - swapped mode (no multiplexing), OSPI1 output is on port 2,
+ OSPI2 output is on port 1
+ - OSPI1 and OSPI2 are multiplexed over the same output port 2
+ It also manages :
+ - the split of the memory area shared between the 2 OSPI instances.
+ - chip select selection override.
+ - the time between 2 transactions in multiplexed mode.
+
source "drivers/memory/samsung/Kconfig"
source "drivers/memory/tegra/Kconfig"