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-rw-r--r--arch/arm/Kconfig5
-rw-r--r--arch/arm/boot/dts/Makefile3
-rw-r--r--arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts109
-rw-r--r--arch/arm/boot/dts/intel-ixp42x.dtsi25
-rw-r--r--arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts94
-rw-r--r--arch/arm/boot/dts/intel-ixp43x.dtsi15
-rw-r--r--arch/arm/boot/dts/intel-ixp45x-ixp46x.dtsi34
-rw-r--r--arch/arm/boot/dts/intel-ixp4xx.dtsi69
-rw-r--r--arch/arm/mach-ixp4xx/Kconfig27
-rw-r--r--arch/arm/mach-ixp4xx/Makefile5
-rw-r--r--arch/arm/mach-ixp4xx/avila-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/avila-setup.c2
-rw-r--r--arch/arm/mach-ixp4xx/common.c484
-rw-r--r--arch/arm/mach-ixp4xx/coyote-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/coyote-setup.c2
-rw-r--r--arch/arm/mach-ixp4xx/dsmg600-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/dsmg600-setup.c5
-rw-r--r--arch/arm/mach-ixp4xx/fsg-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/fsg-setup.c2
-rw-r--r--arch/arm/mach-ixp4xx/gateway7001-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/gateway7001-setup.c2
-rw-r--r--arch/arm/mach-ixp4xx/gtwx5715-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/gtwx5715-setup.c2
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/entry-macro.S41
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/irqs.h75
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h94
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/npe.h40
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/qmgr.h204
-rw-r--r--arch/arm/mach-ixp4xx/irqs.h68
-rw-r--r--arch/arm/mach-ixp4xx/ixdp425-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/ixdp425-setup.c2
-rw-r--r--arch/arm/mach-ixp4xx/ixdpg425-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/ixp4xx-of.c60
-rw-r--r--arch/arm/mach-ixp4xx/ixp4xx_npe.c742
-rw-r--r--arch/arm/mach-ixp4xx/ixp4xx_qmgr.c372
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-setup.c5
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-setup.c12
-rw-r--r--arch/arm/mach-ixp4xx/wg302v2-pci.c2
-rw-r--r--arch/arm/mach-ixp4xx/wg302v2-setup.c2
41 files changed, 632 insertions, 1992 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 61d949e9233f..29bb2aca02d4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -429,12 +429,15 @@ config ARCH_IXP4XX
depends on MMU
select ARCH_HAS_DMA_SET_COHERENT_MASK
select ARCH_SUPPORTS_BIG_ENDIAN
- select CLKSRC_MMIO
select CPU_XSCALE
select DMABOUNCE if PCI
select GENERIC_CLOCKEVENTS
+ select GENERIC_IRQ_MULTI_HANDLER
+ select GPIO_IXP4XX
select GPIOLIB
select HAVE_PCI
+ select IXP4XX_IRQ
+ select IXP4XX_TIMER
select NEED_MACH_IO_H
select USB_EHCI_BIG_ENDIAN_DESC
select USB_EHCI_BIG_ENDIAN_MMIO
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f4f5aeaf3298..7af4e3289a89 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -229,6 +229,9 @@ dtb-$(CONFIG_ARCH_HIX5HD2) += \
dtb-$(CONFIG_ARCH_INTEGRATOR) += \
integratorap.dtb \
integratorcp.dtb
+dtb-$(CONFIG_ARCH_IXP4XX) += \
+ intel-ixp42x-linksys-nslu2.dtb \
+ intel-ixp43x-gateworks-gw2358.dtb
dtb-$(CONFIG_ARCH_KEYSTONE) += \
keystone-k2hk-evm.dtb \
keystone-k2l-evm.dtb \
diff --git a/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts b/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
new file mode 100644
index 000000000000..8fcd95805ff4
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp42x-linksys-nslu2.dts
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Linksys NSLU2
+ */
+
+/dts-v1/;
+
+#include "intel-ixp42x.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives)";
+ compatible = "linksys,nslu2", "intel,ixp42x";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 {
+ /* 32 MB SDRAM */
+ device_type = "memory";
+ reg = <0x00000000 0x2000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
+ stdout-path = "uart0:115200n8";
+ };
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-status {
+ label = "nslu2:red:status";
+ gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ led-ready {
+ label = "nslu2:green:ready";
+ gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ led-disk-1 {
+ label = "nslu2:green:disk-1";
+ gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+ led-disk-2 {
+ label = "nslu2:green:disk-2";
+ gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+
+ button-power {
+ wakeup-source;
+ linux,code = <KEY_POWER>;
+ label = "power";
+ gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
+ };
+ button-reset {
+ wakeup-source;
+ linux,code = <KEY_ESC>;
+ label = "reset";
+ gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ i2c {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@6f {
+ compatible = "xicor,x1205";
+ reg = <0x6f>;
+ };
+ };
+
+ gpio-poweroff {
+ compatible = "gpio-poweroff";
+ gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+ timeout-ms = <5000>;
+ };
+
+ /* The first 16MB region on the expansion bus */
+ flash@50000000 {
+ compatible = "intel,ixp4xx-flash", "cfi-flash";
+ bank-width = <2>;
+ /*
+ * 8 MB of Flash in 0x20000 byte blocks
+ * mapped in at 0x50000000
+ */
+ reg = <0x50000000 0x800000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0x7e0000 */
+ fis-index-block = <0x3f>;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/intel-ixp42x.dtsi b/arch/arm/boot/dts/intel-ixp42x.dtsi
new file mode 100644
index 000000000000..a9622ca850cc
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp42x.dtsi
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Intel XScale Network Processors
+ * in the IXP 42x series. This series has 32 interrupts.
+ */
+#include "intel-ixp4xx.dtsi"
+
+/ {
+ soc {
+ interrupt-controller@c8003000 {
+ compatible = "intel,ixp42x-interrupt";
+ };
+
+ /*
+ * This is the USB Device Mode (UDC) controller, which is used
+ * to present the IXP4xx as a device on a USB bus.
+ */
+ usb@c800b000 {
+ compatible = "intel,ixp4xx-udc";
+ reg = <0xc800b000 0x1000>;
+ interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts
new file mode 100644
index 000000000000..ba1163a1e1e7
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Gateworks IXP43x-based Cambria GW2358
+ */
+
+/dts-v1/;
+
+#include "intel-ixp43x.dtsi"
+
+/ {
+ model = "Gateworks Cambria GW2358";
+ compatible = "gateworks,gw2358", "intel,ixp43x";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 {
+ /* 128 MB SDRAM */
+ device_type = "memory";
+ reg = <0x00000000 0x8000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
+ stdout-path = "uart0:115200n8";
+ };
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-user {
+ label = "gw2358:green:LED";
+ gpios = <&pld1 0 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+
+ i2c {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hwmon@28 {
+ compatible = "adi,ad7418";
+ reg = <0x28>;
+ };
+ rtc: ds1672@68 {
+ compatible = "dallas,ds1672";
+ reg = <0x68>;
+ };
+ eeprom@51 {
+ compatible = "atmel,24c08";
+ reg = <0x51>;
+ pagesize = <16>;
+ size = <1024>;
+ read-only;
+ };
+ pld0: pld@56 {
+ compatible = "gateworks,pld-gpio";
+ reg = <0x56>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ /* This PLD just handles the LED and user button */
+ pld1: pld@57 {
+ compatible = "gateworks,pld-gpio";
+ reg = <0x57>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+
+ flash@50000000 {
+ compatible = "intel,ixp4xx-flash", "cfi-flash";
+ bank-width = <2>;
+ /*
+ * 32 MB of Flash in 0x20000 byte blocks
+ * mapped in at 0x50000000
+ */
+ reg = <0x50000000 0x2000000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0x1fe0000 */
+ fis-index-block = <0xff>;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/intel-ixp43x.dtsi b/arch/arm/boot/dts/intel-ixp43x.dtsi
new file mode 100644
index 000000000000..494fb2ff57a0
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp43x.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Intel XScale Network Processors
+ * in the IXP 43x series. This series has 64 interrupts and adds a few more
+ * peripherals over the 42x series.
+ */
+#include "intel-ixp4xx.dtsi"
+
+/ {
+ soc {
+ interrupt-controller@c8003000 {
+ compatible = "intel,ixp43x-interrupt";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/intel-ixp45x-ixp46x.dtsi b/arch/arm/boot/dts/intel-ixp45x-ixp46x.dtsi
new file mode 100644
index 000000000000..f8cd506659dc
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp45x-ixp46x.dtsi
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Intel XScale Network Processors
+ * in the IXP45x and IXP46x series. This series has 64 interrupts and adds a
+ * few more peripherals over the 42x and 43x series so this extends the
+ * basic IXP4xx DTSI.
+ */
+#include "intel-ixp4xx.dtsi"
+
+/ {
+ soc {
+ interrupt-controller@c8003000 {
+ compatible = "intel,ixp43x-interrupt";
+ };
+
+ /*
+ * This is the USB Device Mode (UDC) controller, which is used
+ * to present the IXP4xx as a device on a USB bus.
+ */
+ usb@c800b000 {
+ compatible = "intel,ixp4xx-udc";
+ reg = <0xc800b000 0x1000>;
+ interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ i2c@c8011000 {
+ compatible = "intel,ixp4xx-i2c";
+ reg = <0xc8011000 0x18>;
+ interrupts = <33 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/intel-ixp4xx.dtsi b/arch/arm/boot/dts/intel-ixp4xx.dtsi
new file mode 100644
index 000000000000..d4a09584f417
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp4xx.dtsi
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Intel XScale Network Processors
+ * in the IXP 4xx series.
+ */
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ compatible = "simple-bus";
+ interrupt-parent = <&intcon>;
+
+ qmgr: queue-manager@60000000 {
+ compatible = "intel,ixp4xx-ahb-queue-manager";
+ reg = <0x60000000 0x4000>;
+ interrupts = <3 IRQ_TYPE_LEVEL_HIGH>, <4 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ uart0: serial@c8000000 {
+ compatible = "intel,xscale-uart";
+ reg = <0xc8000000 0x1000>;
+ /*
+ * The reg-offset and reg-shift is a side effect
+ * of running the platform in big endian mode.
+ */
+ reg-offset = <3>;
+ reg-shift = <2>;
+ interrupts = <15 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <14745600>;
+ no-loopback-test;
+ };
+
+ gpio0: gpio@c8004000 {
+ compatible = "intel,ixp4xx-gpio";
+ reg = <0xc8004000 0x1000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ intcon: interrupt-controller@c8003000 {
+ /*
+ * Note: no compatible string. The subvariant of the
+ * chip needs to define what version it is. The
+ * location of the interrupt controller is fixed in
+ * memory across all variants.
+ */
+ reg = <0xc8003000 0x100>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ timer@c8005000 {
+ compatible = "intel,ixp4xx-timer";
+ reg = <0xc8005000 0x100>;
+ interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ npe@c8006000 {
+ compatible = "intel,ixp4xx-network-processing-engine";
+ reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>;
+ };
+ };
+};
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index fea008123eb1..83afb80d38a8 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -4,6 +4,20 @@ menu "Intel IXP4xx Implementation Options"
comment "IXP4xx Platforms"
+config MACH_IXP4XX_OF
+ bool
+ prompt "Devce Tree IXP4xx boards"
+ default y
+ select ARM_APPENDED_DTB # Old Redboot bootloaders deployed
+ select I2C
+ select I2C_IOP3XX
+ select PCI
+ select SERIAL_OF_PLATFORM
+ select TIMER_OF
+ select USE_OF
+ help
+ Say 'Y' here to support Device Tree-based IXP4xx platforms.
+
config MACH_NSLU2
bool
prompt "Linksys NSLU2"
@@ -222,19 +236,6 @@ config IXP4XX_INDIRECT_PCI
need to use the indirect method instead. If you don't know
what you need, leave this option unselected.
-config IXP4XX_QMGR
- tristate "IXP4xx Queue Manager support"
- help
- This driver supports IXP4xx built-in hardware queue manager
- and is automatically selected by Ethernet and HSS drivers.
-
-config IXP4XX_NPE
- tristate "IXP4xx Network Processor Engine support"
- select FW_LOADER
- help
- This driver supports IXP4xx built-in network coprocessors
- and is automatically selected by Ethernet and HSS drivers.
-
endmenu
endif
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index f09994500a34..1fa4e6605782 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -6,6 +6,9 @@
obj-pci-y :=
obj-pci-n :=
+# Device tree platform
+obj-pci-$(CONFIG_MACH_IXP4XX_OF) += ixp4xx-of.o
+
obj-pci-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o
obj-pci-$(CONFIG_MACH_AVILA) += avila-pci.o
obj-pci-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o
@@ -40,5 +43,3 @@ obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_mlr.o
obj-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-setup.o
obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
-obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
-obj-$(CONFIG_IXP4XX_NPE) += ixp4xx_npe.o
diff --git a/arch/arm/mach-ixp4xx/avila-pci.c b/arch/arm/mach-ixp4xx/avila-pci.c
index 548c7d43ade6..9c834f0f4231 100644
--- a/arch/arm/mach-ixp4xx/avila-pci.c
+++ b/arch/arm/mach-ixp4xx/avila-pci.c
@@ -27,6 +27,8 @@
#include <mach/hardware.h>
#include <asm/mach-types.h>
+#include "irqs.h"
+
#define AVILA_MAX_DEV 4
#define LOFT_MAX_DEV 6
#define IRQ_LINES 4
diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c
index 44cbbce6bda6..1981b33109cb 100644
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -28,6 +28,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
#define AVILA_SDA_PIN 7
#define AVILA_SCL_PIN 6
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 846e033c56fa..cc5f15679d29 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -22,41 +22,30 @@
#include <linux/serial_core.h>
#include <linux/interrupt.h>
#include <linux/bitops.h>
-#include <linux/time.h>
-#include <linux/clocksource.h>
-#include <linux/clockchips.h>
#include <linux/io.h>
#include <linux/export.h>
-#include <linux/gpio/driver.h>
#include <linux/cpu.h>
#include <linux/pci.h>
#include <linux/sched_clock.h>
+#include <linux/bitops.h>
+#include <linux/irqchip/irq-ixp4xx.h>
+#include <linux/platform_data/timer-ixp4xx.h>
#include <mach/udc.h>
#include <mach/hardware.h>
#include <mach/io.h>
#include <linux/uaccess.h>
#include <asm/pgtable.h>
#include <asm/page.h>
+#include <asm/exception.h>
#include <asm/irq.h>
#include <asm/system_misc.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
-#define IXP4XX_TIMER_FREQ 66666000
-
-/*
- * The timer register doesn't allow to specify the two least significant bits of
- * the timeout value and assumes them being zero. So make sure IXP4XX_LATCH is
- * the best value with the two least significant bits unset.
- */
-#define IXP4XX_LATCH DIV_ROUND_CLOSEST(IXP4XX_TIMER_FREQ, \
- (IXP4XX_OST_RELOAD_MASK + 1) * HZ) * \
- (IXP4XX_OST_RELOAD_MASK + 1)
+#include "irqs.h"
-static void __init ixp4xx_clocksource_init(void);
-static void __init ixp4xx_clockevent_init(void);
-static struct clock_event_device clockevent_ixp4xx;
+#define IXP4XX_TIMER_FREQ 66666000
/*************************************************************************
* IXP4xx chipset I/O mapping
@@ -77,11 +66,6 @@ static struct map_desc ixp4xx_io_desc[] __initdata = {
.pfn = __phys_to_pfn(IXP4XX_PCI_CFG_BASE_PHYS),
.length = IXP4XX_PCI_CFG_REGION_SIZE,
.type = MT_DEVICE
- }, { /* Queue Manager */
- .virtual = (unsigned long)IXP4XX_QMGR_BASE_VIRT,
- .pfn = __phys_to_pfn(IXP4XX_QMGR_BASE_PHYS),
- .length = IXP4XX_QMGR_REGION_SIZE,
- .type = MT_DEVICE
},
};
@@ -90,258 +74,23 @@ void __init ixp4xx_map_io(void)
iotable_init(ixp4xx_io_desc, ARRAY_SIZE(ixp4xx_io_desc));
}
-/*
- * GPIO-functions
- */
-/*
- * The following converted to the real HW bits the gpio_line_config
- */
-/* GPIO pin types */
-#define IXP4XX_GPIO_OUT 0x1
-#define IXP4XX_GPIO_IN 0x2
-
-/* GPIO signal types */
-#define IXP4XX_GPIO_LOW 0
-#define IXP4XX_GPIO_HIGH 1
-
-/* GPIO Clocks */
-#define IXP4XX_GPIO_CLK_0 14
-#define IXP4XX_GPIO_CLK_1 15
-
-static void gpio_line_config(u8 line, u32 direction)
-{
- if (direction == IXP4XX_GPIO_IN)
- *IXP4XX_GPIO_GPOER |= (1 << line);
- else
- *IXP4XX_GPIO_GPOER &= ~(1 << line);
-}
-
-static void gpio_line_get(u8 line, int *value)
-{
- *value = (*IXP4XX_GPIO_GPINR >> line) & 0x1;
-}
-
-static void gpio_line_set(u8 line, int value)
-{
- if (value == IXP4XX_GPIO_HIGH)
- *IXP4XX_GPIO_GPOUTR |= (1 << line);
- else if (value == IXP4XX_GPIO_LOW)
- *IXP4XX_GPIO_GPOUTR &= ~(1 << line);
-}
-
-/*************************************************************************
- * IXP4xx chipset IRQ handling
- *
- * TODO: GPIO IRQs should be marked invalid until the user of the IRQ
- * (be it PCI or something else) configures that GPIO line
- * as an IRQ.
- **************************************************************************/
-enum ixp4xx_irq_type {
- IXP4XX_IRQ_LEVEL, IXP4XX_IRQ_EDGE
-};
-
-/* Each bit represents an IRQ: 1: edge-triggered, 0: level triggered */
-static unsigned long long ixp4xx_irq_edge = 0;
-
-/*
- * IRQ -> GPIO mapping table
- */
-static signed char irq2gpio[32] = {
- -1, -1, -1, -1, -1, -1, 0, 1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, 2, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, -1, -1,
-};
-
-static int ixp4xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
-{
- int irq;
-
- for (irq = 0; irq < 32; irq++) {
- if (irq2gpio[irq] == gpio)
- return irq;
- }
- return -EINVAL;
-}
-
-static int ixp4xx_set_irq_type(struct irq_data *d, unsigned int type)
-{
- int line = irq2gpio[d->irq];
- u32 int_style;
- enum ixp4xx_irq_type irq_type;
- volatile u32 *int_reg;
-
- /*
- * Only for GPIO IRQs
- */
- if (line < 0)
- return -EINVAL;
-
- switch (type){
- case IRQ_TYPE_EDGE_BOTH:
- int_style = IXP4XX_GPIO_STYLE_TRANSITIONAL;
- irq_type = IXP4XX_IRQ_EDGE;
- break;
- case IRQ_TYPE_EDGE_RISING:
- int_style = IXP4XX_GPIO_STYLE_RISING_EDGE;
- irq_type = IXP4XX_IRQ_EDGE;
- break;
- case IRQ_TYPE_EDGE_FALLING:
- int_style = IXP4XX_GPIO_STYLE_FALLING_EDGE;
- irq_type = IXP4XX_IRQ_EDGE;
- break;
- case IRQ_TYPE_LEVEL_HIGH:
- int_style = IXP4XX_GPIO_STYLE_ACTIVE_HIGH;
- irq_type = IXP4XX_IRQ_LEVEL;
- break;
- case IRQ_TYPE_LEVEL_LOW:
- int_style = IXP4XX_GPIO_STYLE_ACTIVE_LOW;
- irq_type = IXP4XX_IRQ_LEVEL;
- break;
- default:
- return -EINVAL;
- }
-
- if (irq_type == IXP4XX_IRQ_EDGE)
- ixp4xx_irq_edge |= (1 << d->irq);
- else
- ixp4xx_irq_edge &= ~(1 << d->irq);
-
- if (line >= 8) { /* pins 8-15 */
- line -= 8;
- int_reg = IXP4XX_GPIO_GPIT2R;
- } else { /* pins 0-7 */
- int_reg = IXP4XX_GPIO_GPIT1R;
- }
-
- /* Clear the style for the appropriate pin */
- *int_reg &= ~(IXP4XX_GPIO_STYLE_CLEAR <<
- (line * IXP4XX_GPIO_STYLE_SIZE));
-
- *IXP4XX_GPIO_GPISR = (1 << line);
-
- /* Set the new style */
- *int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE));
-
- /* Configure the line as an input */
- gpio_line_config(irq2gpio[d->irq], IXP4XX_GPIO_IN);
-
- return 0;
-}
-
-static void ixp4xx_irq_mask(struct irq_data *d)
-{
- if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && d->irq >= 32)
- *IXP4XX_ICMR2 &= ~(1 << (d->irq - 32));
- else
- *IXP4XX_ICMR &= ~(1 << d->irq);
-}
-
-static void ixp4xx_irq_ack(struct irq_data *d)
-{
- int line = (d->irq < 32) ? irq2gpio[d->irq] : -1;
-
- if (line >= 0)
- *IXP4XX_GPIO_GPISR = (1 << line);
-}
-
-/*
- * Level triggered interrupts on GPIO lines can only be cleared when the
- * interrupt condition disappears.
- */
-static void ixp4xx_irq_unmask(struct irq_data *d)
-{
- if (!(ixp4xx_irq_edge & (1 << d->irq)))
- ixp4xx_irq_ack(d);
-
- if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && d->irq >= 32)
- *IXP4XX_ICMR2 |= (1 << (d->irq - 32));
- else
- *IXP4XX_ICMR |= (1 << d->irq);
-}
-
-static struct irq_chip ixp4xx_irq_chip = {
- .name = "IXP4xx",
- .irq_ack = ixp4xx_irq_ack,
- .irq_mask = ixp4xx_irq_mask,
- .irq_unmask = ixp4xx_irq_unmask,
- .irq_set_type = ixp4xx_set_irq_type,
-};
-
void __init ixp4xx_init_irq(void)
{
- int i = 0;
-
/*
* ixp4xx does not implement the XScale PWRMODE register
* so it must not call cpu_do_idle().
*/
cpu_idle_poll_ctrl(true);
- /* Route all sources to IRQ instead of FIQ */
- *IXP4XX_ICLR = 0x0;
-
- /* Disable all interrupt */
- *IXP4XX_ICMR = 0x0;
-
- if (cpu_is_ixp46x() || cpu_is_ixp43x()) {
- /* Route upper 32 sources to IRQ instead of FIQ */
- *IXP4XX_ICLR2 = 0x00;
-
- /* Disable upper 32 interrupts */
- *IXP4XX_ICMR2 = 0x00;
- }
-
- /* Default to all level triggered */
- for(i = 0; i < NR_IRQS; i++) {
- irq_set_chip_and_handler(i, &ixp4xx_irq_chip,
- handle_level_irq);
- irq_clear_status_flags(i, IRQ_NOREQUEST);
- }
+ ixp4xx_irq_init(IXP4XX_INTC_BASE_PHYS,
+ (cpu_is_ixp46x() || cpu_is_ixp43x()));
}
-
-/*************************************************************************
- * IXP4xx timer tick
- * We use OS timer1 on the CPU for the timer tick and the timestamp
- * counter as a source of real clock ticks to account for missed jiffies.
- *************************************************************************/
-
-static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
-{
- struct clock_event_device *evt = dev_id;
-
- /* Clear Pending Interrupt by writing '1' to it */
- *IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND;
-
- evt->event_handler(evt);
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction ixp4xx_timer_irq = {
- .name = "timer1",
- .flags = IRQF_TIMER | IRQF_IRQPOLL,
- .handler = ixp4xx_timer_interrupt,
- .dev_id = &clockevent_ixp4xx,
-};
-
void __init ixp4xx_timer_init(void)
{
- /* Reset/disable counter */
- *IXP4XX_OSRT1 = 0;
-
- /* Clear Pending Interrupt by writing '1' to it */
- *IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND;
-
- /* Reset time-stamp counter */
- *IXP4XX_OSTS = 0;
-
- /* Connect the interrupt handler and enable the interrupt */
- setup_irq(IRQ_IXP4XX_TIMER1, &ixp4xx_timer_irq);
-
- ixp4xx_clocksource_init();
- ixp4xx_clockevent_init();
+ return ixp4xx_timer_setup(IXP4XX_TIMER_BASE_PHYS,
+ IRQ_IXP4XX_TIMER1,
+ IXP4XX_TIMER_FREQ);
}
static struct pxa2xx_udc_mach_info ixp4xx_udc_info;
@@ -364,6 +113,24 @@ static struct resource ixp4xx_udc_resources[] = {
},
};
+static struct resource ixp4xx_gpio_resource[] = {
+ {
+ .start = IXP4XX_GPIO_BASE_PHYS,
+ .end = IXP4XX_GPIO_BASE_PHYS + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ixp4xx_gpio_device = {
+ .name = "ixp4xx-gpio",
+ .id = -1,
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = ixp4xx_gpio_resource,
+ .num_resources = ARRAY_SIZE(ixp4xx_gpio_resource),
+};
+
/*
* USB device controller. The IXP4xx uses the same controller as PXA25X,
* so we just use the same device.
@@ -378,7 +145,61 @@ static struct platform_device ixp4xx_udc_device = {
},
};
+static struct resource ixp4xx_npe_resources[] = {
+ {
+ .start = IXP4XX_NPEA_BASE_PHYS,
+ .end = IXP4XX_NPEA_BASE_PHYS + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_NPEB_BASE_PHYS,
+ .end = IXP4XX_NPEB_BASE_PHYS + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_NPEC_BASE_PHYS,
+ .end = IXP4XX_NPEC_BASE_PHYS + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+
+};
+
+static struct platform_device ixp4xx_npe_device = {
+ .name = "ixp4xx-npe",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ixp4xx_npe_resources),
+ .resource = ixp4xx_npe_resources,
+};
+
+static struct resource ixp4xx_qmgr_resources[] = {
+ {
+ .start = IXP4XX_QMGR_BASE_PHYS,
+ .end = IXP4XX_QMGR_BASE_PHYS + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_IXP4XX_QM1,
+ .end = IRQ_IXP4XX_QM1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_IXP4XX_QM2,
+ .end = IRQ_IXP4XX_QM2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ixp4xx_qmgr_device = {
+ .name = "ixp4xx-qmgr",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ixp4xx_qmgr_resources),
+ .resource = ixp4xx_qmgr_resources,
+};
+
static struct platform_device *ixp4xx_devices[] __initdata = {
+ &ixp4xx_npe_device,
+ &ixp4xx_qmgr_device,
+ &ixp4xx_gpio_device,
&ixp4xx_udc_device,
};
@@ -413,56 +234,12 @@ static struct platform_device *ixp46x_devices[] __initdata = {
unsigned long ixp4xx_exp_bus_size;
EXPORT_SYMBOL(ixp4xx_exp_bus_size);
-static int ixp4xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-{
- gpio_line_config(gpio, IXP4XX_GPIO_IN);
-
- return 0;
-}
-
-static int ixp4xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
- int level)
-{
- gpio_line_set(gpio, level);
- gpio_line_config(gpio, IXP4XX_GPIO_OUT);
-
- return 0;
-}
-
-static int ixp4xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
-{
- int value;
-
- gpio_line_get(gpio, &value);
-
- return value;
-}
-
-static void ixp4xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
- int value)
-{
- gpio_line_set(gpio, value);
-}
-
-static struct gpio_chip ixp4xx_gpio_chip = {
- .label = "IXP4XX_GPIO_CHIP",
- .direction_input = ixp4xx_gpio_direction_input,
- .direction_output = ixp4xx_gpio_direction_output,
- .get = ixp4xx_gpio_get_value,
- .set = ixp4xx_gpio_set_value,
- .to_irq = ixp4xx_gpio_to_irq,
- .base = 0,
- .ngpio = 16,
-};
-
void __init ixp4xx_sys_init(void)
{
ixp4xx_exp_bus_size = SZ_16M;
platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
- gpiochip_add_data(&ixp4xx_gpio_chip, NULL);
-
if (cpu_is_ixp46x()) {
int region;
@@ -481,103 +258,8 @@ void __init ixp4xx_sys_init(void)
ixp4xx_exp_bus_size >> 20);
}
-/*
- * sched_clock()
- */
-static u64 notrace ixp4xx_read_sched_clock(void)
-{
- return *IXP4XX_OSTS;
-}
-
-/*
- * clocksource
- */
-
-static u64 ixp4xx_clocksource_read(struct clocksource *c)
-{
- return *IXP4XX_OSTS;
-}
-
unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
EXPORT_SYMBOL(ixp4xx_timer_freq);
-static void __init ixp4xx_clocksource_init(void)
-{
- sched_clock_register(ixp4xx_read_sched_clock, 32, ixp4xx_timer_freq);
-
- clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32,
- ixp4xx_clocksource_read);
-}
-
-/*
- * clockevents
- */
-static int ixp4xx_set_next_event(unsigned long evt,
- struct clock_event_device *unused)
-{
- unsigned long opts = *IXP4XX_OSRT1 & IXP4XX_OST_RELOAD_MASK;
-
- *IXP4XX_OSRT1 = (evt & ~IXP4XX_OST_RELOAD_MASK) | opts;
-
- return 0;
-}
-
-static int ixp4xx_shutdown(struct clock_event_device *evt)
-{
- unsigned long opts = *IXP4XX_OSRT1 & IXP4XX_OST_RELOAD_MASK;
- unsigned long osrt = *IXP4XX_OSRT1 & ~IXP4XX_OST_RELOAD_MASK;
-
- opts &= ~IXP4XX_OST_ENABLE;
- *IXP4XX_OSRT1 = osrt | opts;
- return 0;
-}
-
-static int ixp4xx_set_oneshot(struct clock_event_device *evt)
-{
- unsigned long opts = IXP4XX_OST_ENABLE | IXP4XX_OST_ONE_SHOT;
- unsigned long osrt = 0;
-
- /* period set by 'set next_event' */
- *IXP4XX_OSRT1 = osrt | opts;
- return 0;
-}
-
-static int ixp4xx_set_periodic(struct clock_event_device *evt)
-{
- unsigned long opts = IXP4XX_OST_ENABLE;
- unsigned long osrt = IXP4XX_LATCH & ~IXP4XX_OST_RELOAD_MASK;
-
- *IXP4XX_OSRT1 = osrt | opts;
- return 0;
-}
-
-static int ixp4xx_resume(struct clock_event_device *evt)
-{
- unsigned long opts = *IXP4XX_OSRT1 & IXP4XX_OST_RELOAD_MASK;
- unsigned long osrt = *IXP4XX_OSRT1 & ~IXP4XX_OST_RELOAD_MASK;
-
- opts |= IXP4XX_OST_ENABLE;
- *IXP4XX_OSRT1 = osrt | opts;
- return 0;
-}
-
-static struct clock_event_device clockevent_ixp4xx = {
- .name = "ixp4xx timer1",
- .features = CLOCK_EVT_FEAT_PERIODIC |
- CLOCK_EVT_FEAT_ONESHOT,
- .rating = 200,
- .set_state_shutdown = ixp4xx_shutdown,
- .set_state_periodic = ixp4xx_set_periodic,
- .set_state_oneshot = ixp4xx_set_oneshot,
- .tick_resume = ixp4xx_resume,
- .set_next_event = ixp4xx_set_next_event,
-};
-
-static void __init ixp4xx_clockevent_init(void)
-{
- clockevent_ixp4xx.cpumask = cpumask_of(0);
- clockevents_config_and_register(&clockevent_ixp4xx, IXP4XX_TIMER_FREQ,
- 0xf, 0xfffffffe);
-}
void ixp4xx_restart(enum reboot_mode mode, const char *cmd)
{
diff --git a/arch/arm/mach-ixp4xx/coyote-pci.c b/arch/arm/mach-ixp4xx/coyote-pci.c
index 5d14ce2aee6d..a16c35d2bb96 100644
--- a/arch/arm/mach-ixp4xx/coyote-pci.c
+++ b/arch/arm/mach-ixp4xx/coyote-pci.c
@@ -23,6 +23,8 @@
#include <asm/irq.h>
#include <asm/mach/pci.h>
+#include "irqs.h"
+
#define SLOT0_DEVID 14
#define SLOT1_DEVID 15
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
index 7e40fe70933b..7ca43ca2816d 100644
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -25,6 +25,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
#define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3)
#define COYOTE_IDE_BASE_VIRT 0xFFFE1000
#define COYOTE_IDE_REGION_SIZE 0x1000
diff --git a/arch/arm/mach-ixp4xx/dsmg600-pci.c b/arch/arm/mach-ixp4xx/dsmg600-pci.c
index 8dca76937723..6899023bd1b7 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-pci.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-pci.c
@@ -22,6 +22,8 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
+#include "irqs.h"
+
#define MAX_DEV 4
#define IRQ_LINES 3
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
index 397190f3a8da..4d4c62fced71 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-setup.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -35,6 +35,8 @@
#include <asm/mach/flash.h>
#include <asm/mach/time.h>
+#include "irqs.h"
+
#define DSMG600_SDA_PIN 5
#define DSMG600_SCL_PIN 4
@@ -268,9 +270,6 @@ static void __init dsmg600_init(void)
{
ixp4xx_sys_init();
- /* Make sure that GPIO14 and GPIO15 are not used as clocks */
- *IXP4XX_GPIO_GPCLKR = 0;
-
dsmg600_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
dsmg600_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
diff --git a/arch/arm/mach-ixp4xx/fsg-pci.c b/arch/arm/mach-ixp4xx/fsg-pci.c
index fd4a8625b4ae..6c08bb9d9807 100644
--- a/arch/arm/mach-ixp4xx/fsg-pci.c
+++ b/arch/arm/mach-ixp4xx/fsg-pci.c
@@ -22,6 +22,8 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
+#include "irqs.h"
+
#define MAX_DEV 3
#define IRQ_LINES 3
diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
index f0a152e365b1..648932d8d7a8 100644
--- a/arch/arm/mach-ixp4xx/fsg-setup.c
+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -29,6 +29,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
#define FSG_SDA_PIN 12
#define FSG_SCL_PIN 13
diff --git a/arch/arm/mach-ixp4xx/gateway7001-pci.c b/arch/arm/mach-ixp4xx/gateway7001-pci.c
index d9d6cc089707..903c75330b76 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-pci.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-pci.c
@@ -27,6 +27,8 @@
#include <asm/mach/pci.h>
+#include "irqs.h"
+
void __init gateway7001_pci_preinit(void)
{
irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
diff --git a/arch/arm/mach-ixp4xx/gateway7001-setup.c b/arch/arm/mach-ixp4xx/gateway7001-setup.c
index 1be6faf6da9a..678e7dfff0e5 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-setup.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-setup.c
@@ -28,6 +28,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
static struct flash_platform_data gateway7001_flash_data = {
.map_name = "cfi_probe",
.width = 2,
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-pci.c b/arch/arm/mach-ixp4xx/gtwx5715-pci.c
index 551d114c9e14..1223d160448f 100644
--- a/arch/arm/mach-ixp4xx/gtwx5715-pci.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-pci.c
@@ -30,6 +30,8 @@
#include <mach/hardware.h>
#include <asm/mach/pci.h>
+#include "irqs.h"
+
#define SLOT0_DEVID 0
#define SLOT1_DEVID 1
#define INTA 10 /* slot 1 has INTA and INTB crossed */
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
index 16a12994fb53..5dbdde8e2338 100644
--- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
@@ -36,6 +36,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
/* GPIO 5,6,7 and 12 are hard wired to the Kendin KS8995M Switch
and operate as an SPI type interface. The details of the interface
are available on Kendin/Micrel's web site. */
diff --git a/arch/arm/mach-ixp4xx/include/mach/entry-macro.S b/arch/arm/mach-ixp4xx/include/mach/entry-macro.S
deleted file mode 100644
index 79adf83e2c3d..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/entry-macro.S
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/entry-macro.S
- *
- * Low-level IRQ helper macros for IXP4xx-based platforms
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-#include <mach/hardware.h>
-
- .macro get_irqnr_preamble, base, tmp
- .endm
-
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
- ldr \irqstat, [\irqstat] @ get interrupts
- cmp \irqstat, #0
- beq 1001f @ upper IRQ?
- clz \irqnr, \irqstat
- mov \base, #31
- sub \irqnr, \base, \irqnr
- b 1002f @ lower IRQ being
- @ handled
-
-1001:
- /*
- * IXP465/IXP435 has an upper IRQ status register
- */
-#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
- ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
- ldr \irqstat, [\irqstat] @ get upper interrupts
- mov \irqnr, #63
- clz \irqstat, \irqstat
- cmp \irqstat, #32
- subne \irqnr, \irqnr, \irqstat
-#endif
-1002:
- .endm
-
-
diff --git a/arch/arm/mach-ixp4xx/include/mach/irqs.h b/arch/arm/mach-ixp4xx/include/mach/irqs.h
deleted file mode 100644
index 7e6d4cce7c27..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/irqs.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/irqs.h
- *
- * IRQ definitions for IXP4XX based systems
- *
- * Copyright (C) 2002 Intel Corporation.
- * Copyright (C) 2003 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#ifndef _ARCH_IXP4XX_IRQS_H_
-#define _ARCH_IXP4XX_IRQS_H_
-
-#define IRQ_IXP4XX_NPEA 0
-#define IRQ_IXP4XX_NPEB 1
-#define IRQ_IXP4XX_NPEC 2
-#define IRQ_IXP4XX_QM1 3
-#define IRQ_IXP4XX_QM2 4
-#define IRQ_IXP4XX_TIMER1 5
-#define IRQ_IXP4XX_GPIO0 6
-#define IRQ_IXP4XX_GPIO1 7
-#define IRQ_IXP4XX_PCI_INT 8
-#define IRQ_IXP4XX_PCI_DMA1 9
-#define IRQ_IXP4XX_PCI_DMA2 10
-#define IRQ_IXP4XX_TIMER2 11
-#define IRQ_IXP4XX_USB 12
-#define IRQ_IXP4XX_UART2 13
-#define IRQ_IXP4XX_TIMESTAMP 14
-#define IRQ_IXP4XX_UART1 15
-#define IRQ_IXP4XX_WDOG 16
-#define IRQ_IXP4XX_AHB_PMU 17
-#define IRQ_IXP4XX_XSCALE_PMU 18
-#define IRQ_IXP4XX_GPIO2 19
-#define IRQ_IXP4XX_GPIO3 20
-#define IRQ_IXP4XX_GPIO4 21
-#define IRQ_IXP4XX_GPIO5 22
-#define IRQ_IXP4XX_GPIO6 23
-#define IRQ_IXP4XX_GPIO7 24
-#define IRQ_IXP4XX_GPIO8 25
-#define IRQ_IXP4XX_GPIO9 26
-#define IRQ_IXP4XX_GPIO10 27
-#define IRQ_IXP4XX_GPIO11 28
-#define IRQ_IXP4XX_GPIO12 29
-#define IRQ_IXP4XX_SW_INT1 30
-#define IRQ_IXP4XX_SW_INT2 31
-#define IRQ_IXP4XX_USB_HOST 32
-#define IRQ_IXP4XX_I2C 33
-#define IRQ_IXP4XX_SSP 34
-#define IRQ_IXP4XX_TSYNC 35
-#define IRQ_IXP4XX_EAU_DONE 36
-#define IRQ_IXP4XX_SHA_DONE 37
-#define IRQ_IXP4XX_SWCP_PE 58
-#define IRQ_IXP4XX_QM_PE 60
-#define IRQ_IXP4XX_MCU_ECC 61
-#define IRQ_IXP4XX_EXP_PE 62
-
-#define _IXP4XX_GPIO_IRQ(n) (IRQ_IXP4XX_GPIO ## n)
-#define IXP4XX_GPIO_IRQ(n) _IXP4XX_GPIO_IRQ(n)
-
-/*
- * Only first 32 sources are valid if running on IXP42x systems
- */
-#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
-#define NR_IRQS 64
-#else
-#define NR_IRQS 32
-#endif
-
-#define XSCALE_PMU_IRQ (IRQ_IXP4XX_XSCALE_PMU)
-
-#endif
diff --git a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
index b7ddd27419c2..588b76651085 100644
--- a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
+++ b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
@@ -43,8 +43,6 @@
* Queue Manager
*/
#define IXP4XX_QMGR_BASE_PHYS 0x60000000
-#define IXP4XX_QMGR_BASE_VIRT IOMEM(0xFEF15000)
-#define IXP4XX_QMGR_REGION_SIZE 0x00004000
/*
* Peripheral space, including debug UART. Must be section-aligned so that
@@ -132,9 +130,6 @@
#define IXP4XX_INTC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
#define IXP4XX_GPIO_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
#define IXP4XX_TIMER_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
-#define IXP4XX_NPEA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x6000)
-#define IXP4XX_NPEB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x7000)
-#define IXP4XX_NPEC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x8000)
#define IXP4XX_EthB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
#define IXP4XX_EthC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
#define IXP4XX_USB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
@@ -148,95 +143,6 @@
#define IXP4XX_SSP_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
/*
- * Constants to make it easy to access Interrupt Controller registers
- */
-#define IXP4XX_ICPR_OFFSET 0x00 /* Interrupt Status */
-#define IXP4XX_ICMR_OFFSET 0x04 /* Interrupt Enable */
-#define IXP4XX_ICLR_OFFSET 0x08 /* Interrupt IRQ/FIQ Select */
-#define IXP4XX_ICIP_OFFSET 0x0C /* IRQ Status */
-#define IXP4XX_ICFP_OFFSET 0x10 /* FIQ Status */
-#define IXP4XX_ICHR_OFFSET 0x14 /* Interrupt Priority */
-#define IXP4XX_ICIH_OFFSET 0x18 /* IRQ Highest Pri Int */
-#define IXP4XX_ICFH_OFFSET 0x1C /* FIQ Highest Pri Int */
-
-/*
- * IXP465-only
- */
-#define IXP4XX_ICPR2_OFFSET 0x20 /* Interrupt Status 2 */
-#define IXP4XX_ICMR2_OFFSET 0x24 /* Interrupt Enable 2 */
-#define IXP4XX_ICLR2_OFFSET 0x28 /* Interrupt IRQ/FIQ Select 2 */
-#define IXP4XX_ICIP2_OFFSET 0x2C /* IRQ Status */
-#define IXP4XX_ICFP2_OFFSET 0x30 /* FIQ Status */
-#define IXP4XX_ICEEN_OFFSET 0x34 /* Error High Pri Enable */
-
-
-/*
- * Interrupt Controller Register Definitions.
- */
-
-#define IXP4XX_INTC_REG(x) ((volatile u32 *)(IXP4XX_INTC_BASE_VIRT+(x)))
-
-#define IXP4XX_ICPR IXP4XX_INTC_REG(IXP4XX_ICPR_OFFSET)
-#define IXP4XX_ICMR IXP4XX_INTC_REG(IXP4XX_ICMR_OFFSET)
-#define IXP4XX_ICLR IXP4XX_INTC_REG(IXP4XX_ICLR_OFFSET)
-#define IXP4XX_ICIP IXP4XX_INTC_REG(IXP4XX_ICIP_OFFSET)
-#define IXP4XX_ICFP IXP4XX_INTC_REG(IXP4XX_ICFP_OFFSET)
-#define IXP4XX_ICHR IXP4XX_INTC_REG(IXP4XX_ICHR_OFFSET)
-#define IXP4XX_ICIH IXP4XX_INTC_REG(IXP4XX_ICIH_OFFSET)
-#define IXP4XX_ICFH IXP4XX_INTC_REG(IXP4XX_ICFH_OFFSET)
-#define IXP4XX_ICPR2 IXP4XX_INTC_REG(IXP4XX_ICPR2_OFFSET)
-#define IXP4XX_ICMR2 IXP4XX_INTC_REG(IXP4XX_ICMR2_OFFSET)
-#define IXP4XX_ICLR2 IXP4XX_INTC_REG(IXP4XX_ICLR2_OFFSET)
-#define IXP4XX_ICIP2 IXP4XX_INTC_REG(IXP4XX_ICIP2_OFFSET)
-#define IXP4XX_ICFP2 IXP4XX_INTC_REG(IXP4XX_ICFP2_OFFSET)
-#define IXP4XX_ICEEN IXP4XX_INTC_REG(IXP4XX_ICEEN_OFFSET)
-
-/*
- * Constants to make it easy to access GPIO registers
- */
-#define IXP4XX_GPIO_GPOUTR_OFFSET 0x00
-#define IXP4XX_GPIO_GPOER_OFFSET 0x04
-#define IXP4XX_GPIO_GPINR_OFFSET 0x08
-#define IXP4XX_GPIO_GPISR_OFFSET 0x0C
-#define IXP4XX_GPIO_GPIT1R_OFFSET 0x10
-#define IXP4XX_GPIO_GPIT2R_OFFSET 0x14
-#define IXP4XX_GPIO_GPCLKR_OFFSET 0x18
-#define IXP4XX_GPIO_GPDBSELR_OFFSET 0x1C
-
-/*
- * GPIO Register Definitions.
- * [Only perform 32bit reads/writes]
- */
-#define IXP4XX_GPIO_REG(x) ((volatile u32 *)(IXP4XX_GPIO_BASE_VIRT+(x)))
-
-#define IXP4XX_GPIO_GPOUTR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOUTR_OFFSET)
-#define IXP4XX_GPIO_GPOER IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOER_OFFSET)
-#define IXP4XX_GPIO_GPINR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPINR_OFFSET)
-#define IXP4XX_GPIO_GPISR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPISR_OFFSET)
-#define IXP4XX_GPIO_GPIT1R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT1R_OFFSET)
-#define IXP4XX_GPIO_GPIT2R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT2R_OFFSET)
-#define IXP4XX_GPIO_GPCLKR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPCLKR_OFFSET)
-#define IXP4XX_GPIO_GPDBSELR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPDBSELR_OFFSET)
-
-/*
- * GPIO register bit definitions
- */
-
-/* Interrupt styles
- */
-#define IXP4XX_GPIO_STYLE_ACTIVE_HIGH 0x0
-#define IXP4XX_GPIO_STYLE_ACTIVE_LOW 0x1
-#define IXP4XX_GPIO_STYLE_RISING_EDGE 0x2
-#define IXP4XX_GPIO_STYLE_FALLING_EDGE 0x3
-#define IXP4XX_GPIO_STYLE_TRANSITIONAL 0x4
-
-/*
- * Mask used to clear interrupt styles
- */
-#define IXP4XX_GPIO_STYLE_CLEAR 0x7
-#define IXP4XX_GPIO_STYLE_SIZE 3
-
-/*
* Constants to make it easy to access Timer Control/Status registers
*/
#define IXP4XX_OSTS_OFFSET 0x00 /* Continious TimeStamp */
diff --git a/arch/arm/mach-ixp4xx/include/mach/npe.h b/arch/arm/mach-ixp4xx/include/mach/npe.h
deleted file mode 100644
index 3a980845e557..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/npe.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __IXP4XX_NPE_H
-#define __IXP4XX_NPE_H
-
-#include <linux/kernel.h>
-
-extern const char *npe_names[];
-
-struct npe_regs {
- u32 exec_addr, exec_data, exec_status_cmd, exec_count;
- u32 action_points[4];
- u32 watchpoint_fifo, watch_count;
- u32 profile_count;
- u32 messaging_status, messaging_control;
- u32 mailbox_status, /*messaging_*/ in_out_fifo;
-};
-
-struct npe {
- struct resource *mem_res;
- struct npe_regs __iomem *regs;
- u32 regs_phys;
- int id;
- int valid;
-};
-
-
-static inline const char *npe_name(struct npe *npe)
-{
- return npe_names[npe->id];
-}
-
-int npe_running(struct npe *npe);
-int npe_send_message(struct npe *npe, const void *msg, const char *what);
-int npe_recv_message(struct npe *npe, void *msg, const char *what);
-int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
-int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
-struct npe *npe_request(unsigned id);
-void npe_release(struct npe *npe);
-
-#endif /* __IXP4XX_NPE_H */
diff --git a/arch/arm/mach-ixp4xx/include/mach/qmgr.h b/arch/arm/mach-ixp4xx/include/mach/qmgr.h
deleted file mode 100644
index 4de8da536dbb..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/qmgr.h
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright (C) 2007 Krzysztof Halasa <khc@pm.waw.pl>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- */
-
-#ifndef IXP4XX_QMGR_H
-#define IXP4XX_QMGR_H
-
-#include <linux/io.h>
-#include <linux/kernel.h>
-
-#define DEBUG_QMGR 0
-
-#define HALF_QUEUES 32
-#define QUEUES 64
-#define MAX_QUEUE_LENGTH 4 /* in dwords */
-
-#define QUEUE_STAT1_EMPTY 1 /* queue status bits */
-#define QUEUE_STAT1_NEARLY_EMPTY 2
-#define QUEUE_STAT1_NEARLY_FULL 4
-#define QUEUE_STAT1_FULL 8
-#define QUEUE_STAT2_UNDERFLOW 1
-#define QUEUE_STAT2_OVERFLOW 2
-
-#define QUEUE_WATERMARK_0_ENTRIES 0
-#define QUEUE_WATERMARK_1_ENTRY 1
-#define QUEUE_WATERMARK_2_ENTRIES 2
-#define QUEUE_WATERMARK_4_ENTRIES 3
-#define QUEUE_WATERMARK_8_ENTRIES 4
-#define QUEUE_WATERMARK_16_ENTRIES 5
-#define QUEUE_WATERMARK_32_ENTRIES 6
-#define QUEUE_WATERMARK_64_ENTRIES 7
-
-/* queue interrupt request conditions */
-#define QUEUE_IRQ_SRC_EMPTY 0
-#define QUEUE_IRQ_SRC_NEARLY_EMPTY 1
-#define QUEUE_IRQ_SRC_NEARLY_FULL 2
-#define QUEUE_IRQ_SRC_FULL 3
-#define QUEUE_IRQ_SRC_NOT_EMPTY 4
-#define QUEUE_IRQ_SRC_NOT_NEARLY_EMPTY 5
-#define QUEUE_IRQ_SRC_NOT_NEARLY_FULL 6
-#define QUEUE_IRQ_SRC_NOT_FULL 7
-
-struct qmgr_regs {
- u32 acc[QUEUES][MAX_QUEUE_LENGTH]; /* 0x000 - 0x3FF */
- u32 stat1[4]; /* 0x400 - 0x40F */
- u32 stat2[2]; /* 0x410 - 0x417 */
- u32 statne_h; /* 0x418 - queue nearly empty */
- u32 statf_h; /* 0x41C - queue full */
- u32 irqsrc[4]; /* 0x420 - 0x42F IRC source */
- u32 irqen[2]; /* 0x430 - 0x437 IRQ enabled */
- u32 irqstat[2]; /* 0x438 - 0x43F - IRQ access only */
- u32 reserved[1776];
- u32 sram[2048]; /* 0x2000 - 0x3FFF - config and buffer */
-};
-
-void qmgr_set_irq(unsigned int queue, int src,
- void (*handler)(void *pdev), void *pdev);
-void qmgr_enable_irq(unsigned int queue);
-void qmgr_disable_irq(unsigned int queue);
-
-/* request_ and release_queue() must be called from non-IRQ context */
-
-#if DEBUG_QMGR
-extern char qmgr_queue_descs[QUEUES][32];
-
-int qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
- unsigned int nearly_empty_watermark,
- unsigned int nearly_full_watermark,
- const char *desc_format, const char* name);
-#else
-int __qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
- unsigned int nearly_empty_watermark,
- unsigned int nearly_full_watermark);
-#define qmgr_request_queue(queue, len, nearly_empty_watermark, \
- nearly_full_watermark, desc_format, name) \
- __qmgr_request_queue(queue, len, nearly_empty_watermark, \
- nearly_full_watermark)
-#endif
-
-void qmgr_release_queue(unsigned int queue);
-
-
-static inline void qmgr_put_entry(unsigned int queue, u32 val)
-{
- struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
-#if DEBUG_QMGR
- BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */
-
- printk(KERN_DEBUG "Queue %s(%i) put %X\n",
- qmgr_queue_descs[queue], queue, val);
-#endif
- __raw_writel(val, &qmgr_regs->acc[queue][0]);
-}
-
-static inline u32 qmgr_get_entry(unsigned int queue)
-{
- u32 val;
- const struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
- val = __raw_readl(&qmgr_regs->acc[queue][0]);
-#if DEBUG_QMGR
- BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */
-
- printk(KERN_DEBUG "Queue %s(%i) get %X\n",
- qmgr_queue_descs[queue], queue, val);
-#endif
- return val;
-}
-
-static inline int __qmgr_get_stat1(unsigned int queue)
-{
- const struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
- return (__raw_readl(&qmgr_regs->stat1[queue >> 3])
- >> ((queue & 7) << 2)) & 0xF;
-}
-
-static inline int __qmgr_get_stat2(unsigned int queue)
-{
- const struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
- BUG_ON(queue >= HALF_QUEUES);
- return (__raw_readl(&qmgr_regs->stat2[queue >> 4])
- >> ((queue & 0xF) << 1)) & 0x3;
-}
-
-/**
- * qmgr_stat_empty() - checks if a hardware queue is empty
- * @queue: queue number
- *
- * Returns non-zero value if the queue is empty.
- */
-static inline int qmgr_stat_empty(unsigned int queue)
-{
- BUG_ON(queue >= HALF_QUEUES);
- return __qmgr_get_stat1(queue) & QUEUE_STAT1_EMPTY;
-}
-
-/**
- * qmgr_stat_below_low_watermark() - checks if a queue is below low watermark
- * @queue: queue number
- *
- * Returns non-zero value if the queue is below low watermark.
- */
-static inline int qmgr_stat_below_low_watermark(unsigned int queue)
-{
- const struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
- if (queue >= HALF_QUEUES)
- return (__raw_readl(&qmgr_regs->statne_h) >>
- (queue - HALF_QUEUES)) & 0x01;
- return __qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_EMPTY;
-}
-
-/**
- * qmgr_stat_above_high_watermark() - checks if a queue is above high watermark
- * @queue: queue number
- *
- * Returns non-zero value if the queue is above high watermark
- */
-static inline int qmgr_stat_above_high_watermark(unsigned int queue)
-{
- BUG_ON(queue >= HALF_QUEUES);
- return __qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_FULL;
-}
-
-/**
- * qmgr_stat_full() - checks if a hardware queue is full
- * @queue: queue number
- *
- * Returns non-zero value if the queue is full.
- */
-static inline int qmgr_stat_full(unsigned int queue)
-{
- const struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
- if (queue >= HALF_QUEUES)
- return (__raw_readl(&qmgr_regs->statf_h) >>
- (queue - HALF_QUEUES)) & 0x01;
- return __qmgr_get_stat1(queue) & QUEUE_STAT1_FULL;
-}
-
-/**
- * qmgr_stat_underflow() - checks if a hardware queue experienced underflow
- * @queue: queue number
- *
- * Returns non-zero value if the queue experienced underflow.
- */
-static inline int qmgr_stat_underflow(unsigned int queue)
-{
- return __qmgr_get_stat2(queue) & QUEUE_STAT2_UNDERFLOW;
-}
-
-/**
- * qmgr_stat_overflow() - checks if a hardware queue experienced overflow
- * @queue: queue number
- *
- * Returns non-zero value if the queue experienced overflow.
- */
-static inline int qmgr_stat_overflow(unsigned int queue)
-{
- return __qmgr_get_stat2(queue) & QUEUE_STAT2_OVERFLOW;
-}
-
-#endif
diff --git a/arch/arm/mach-ixp4xx/irqs.h b/arch/arm/mach-ixp4xx/irqs.h
new file mode 100644
index 000000000000..6b7f220cf9e0
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/irqs.h
@@ -0,0 +1,68 @@
+/*
+ * arch/arm/mach-ixp4xx/include/mach/irqs.h
+ *
+ * IRQ definitions for IXP4XX based systems
+ *
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef _ARCH_IXP4XX_IRQS_H_
+#define _ARCH_IXP4XX_IRQS_H_
+
+#define IRQ_IXP4XX_BASE 16
+
+#define IRQ_IXP4XX_NPEA (IRQ_IXP4XX_BASE + 0)
+#define IRQ_IXP4XX_NPEB (IRQ_IXP4XX_BASE + 1)
+#define IRQ_IXP4XX_NPEC (IRQ_IXP4XX_BASE + 2)
+#define IRQ_IXP4XX_QM1 (IRQ_IXP4XX_BASE + 3)
+#define IRQ_IXP4XX_QM2 (IRQ_IXP4XX_BASE + 4)
+#define IRQ_IXP4XX_TIMER1 (IRQ_IXP4XX_BASE + 5)
+#define IRQ_IXP4XX_GPIO0 (IRQ_IXP4XX_BASE + 6)
+#define IRQ_IXP4XX_GPIO1 (IRQ_IXP4XX_BASE + 7)
+#define IRQ_IXP4XX_PCI_INT (IRQ_IXP4XX_BASE + 8)
+#define IRQ_IXP4XX_PCI_DMA1 (IRQ_IXP4XX_BASE + 9)
+#define IRQ_IXP4XX_PCI_DMA2 (IRQ_IXP4XX_BASE + 10)
+#define IRQ_IXP4XX_TIMER2 (IRQ_IXP4XX_BASE + 11)
+#define IRQ_IXP4XX_USB (IRQ_IXP4XX_BASE + 12)
+#define IRQ_IXP4XX_UART2 (IRQ_IXP4XX_BASE + 13)
+#define IRQ_IXP4XX_TIMESTAMP (IRQ_IXP4XX_BASE + 14)
+#define IRQ_IXP4XX_UART1 (IRQ_IXP4XX_BASE + 15)
+#define IRQ_IXP4XX_WDOG (IRQ_IXP4XX_BASE + 16)
+#define IRQ_IXP4XX_AHB_PMU (IRQ_IXP4XX_BASE + 17)
+#define IRQ_IXP4XX_XSCALE_PMU (IRQ_IXP4XX_BASE + 18)
+#define IRQ_IXP4XX_GPIO2 (IRQ_IXP4XX_BASE + 19)
+#define IRQ_IXP4XX_GPIO3 (IRQ_IXP4XX_BASE + 20)
+#define IRQ_IXP4XX_GPIO4 (IRQ_IXP4XX_BASE + 21)
+#define IRQ_IXP4XX_GPIO5 (IRQ_IXP4XX_BASE + 22)
+#define IRQ_IXP4XX_GPIO6 (IRQ_IXP4XX_BASE + 23)
+#define IRQ_IXP4XX_GPIO7 (IRQ_IXP4XX_BASE + 24)
+#define IRQ_IXP4XX_GPIO8 (IRQ_IXP4XX_BASE + 25)
+#define IRQ_IXP4XX_GPIO9 (IRQ_IXP4XX_BASE + 26)
+#define IRQ_IXP4XX_GPIO10 (IRQ_IXP4XX_BASE + 27)
+#define IRQ_IXP4XX_GPIO11 (IRQ_IXP4XX_BASE + 28)
+#define IRQ_IXP4XX_GPIO12 (IRQ_IXP4XX_BASE + 29)
+#define IRQ_IXP4XX_SW_INT1 (IRQ_IXP4XX_BASE + 30)
+#define IRQ_IXP4XX_SW_INT2 (IRQ_IXP4XX_BASE + 31)
+#define IRQ_IXP4XX_USB_HOST (IRQ_IXP4XX_BASE + 32)
+#define IRQ_IXP4XX_I2C (IRQ_IXP4XX_BASE + 33)
+#define IRQ_IXP4XX_SSP (IRQ_IXP4XX_BASE + 34)
+#define IRQ_IXP4XX_TSYNC (IRQ_IXP4XX_BASE + 35)
+#define IRQ_IXP4XX_EAU_DONE (IRQ_IXP4XX_BASE + 36)
+#define IRQ_IXP4XX_SHA_DONE (IRQ_IXP4XX_BASE + 37)
+#define IRQ_IXP4XX_SWCP_PE (IRQ_IXP4XX_BASE + 58)
+#define IRQ_IXP4XX_QM_PE (IRQ_IXP4XX_BASE + 60)
+#define IRQ_IXP4XX_MCU_ECC (IRQ_IXP4XX_BASE + 61)
+#define IRQ_IXP4XX_EXP_PE (IRQ_IXP4XX_BASE + 62)
+
+#define _IXP4XX_GPIO_IRQ(n) (IRQ_IXP4XX_GPIO ## n)
+#define IXP4XX_GPIO_IRQ(n) _IXP4XX_GPIO_IRQ(n)
+
+#define XSCALE_PMU_IRQ (IRQ_IXP4XX_XSCALE_PMU)
+
+#endif
diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c
index 318424dd3c50..c1340465b2ea 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
@@ -24,6 +24,8 @@
#include <mach/hardware.h>
#include <asm/mach-types.h>
+#include "irqs.h"
+
#define MAX_DEV 4
#define IRQ_LINES 4
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 57d7df79d838..6f0f7ed18ea8 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -32,6 +32,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
#define IXDP425_SDA_PIN 7
#define IXDP425_SCL_PIN 6
diff --git a/arch/arm/mach-ixp4xx/ixdpg425-pci.c b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
index 1f8717ba13dc..ac0e9bc6eb4d 100644
--- a/arch/arm/mach-ixp4xx/ixdpg425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
@@ -23,6 +23,8 @@
#include <asm/mach/pci.h>
+#include "irqs.h"
+
void __init ixdpg425_pci_preinit(void)
{
irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
diff --git a/arch/arm/mach-ixp4xx/ixp4xx-of.c b/arch/arm/mach-ixp4xx/ixp4xx-of.c
new file mode 100644
index 000000000000..7449b8319c8a
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ixp4xx-of.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * IXP4xx Device Tree boot support
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/ixp4xx-regs.h>
+
+static struct map_desc ixp4xx_of_io_desc[] __initdata = {
+ /*
+ * This is needed for runtime system configuration checks,
+ * such as reading if hardware so-and-so is present. This
+ * could eventually be converted into a syscon once all boards
+ * are converted to device tree.
+ */
+ {
+ .virtual = IXP4XX_EXP_CFG_BASE_VIRT,
+ .pfn = __phys_to_pfn(IXP4XX_EXP_CFG_BASE_PHYS),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+#ifdef CONFIG_DEBUG_UART_8250
+ /* This is needed for LL-debug/earlyprintk/debug-macro.S */
+ {
+ .virtual = CONFIG_DEBUG_UART_VIRT,
+ .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+#endif
+};
+
+static void __init ixp4xx_of_map_io(void)
+{
+ iotable_init(ixp4xx_of_io_desc, ARRAY_SIZE(ixp4xx_of_io_desc));
+}
+
+/*
+ * We handle 4 differen SoC families. These compatible strings are enough
+ * to provide the core so that different boards can add their more detailed
+ * specifics.
+ */
+static const char *ixp4xx_of_board_compat[] = {
+ "intel,ixp42x",
+ "intel,ixp43x",
+ "intel,ixp45x",
+ "intel,ixp46x",
+ NULL,
+};
+
+DT_MACHINE_START(IXP4XX_DT, "IXP4xx (Device Tree)")
+ .map_io = ixp4xx_of_map_io,
+ .dt_compat = ixp4xx_of_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-ixp4xx/ixp4xx_npe.c b/arch/arm/mach-ixp4xx/ixp4xx_npe.c
deleted file mode 100644
index d4eb09a62863..000000000000
--- a/arch/arm/mach-ixp4xx/ixp4xx_npe.c
+++ /dev/null
@@ -1,742 +0,0 @@
-/*
- * Intel IXP4xx Network Processor Engine driver for Linux
- *
- * Copyright (C) 2007 Krzysztof Halasa <khc@pm.waw.pl>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- *
- * The code is based on publicly available information:
- * - Intel IXP4xx Developer's Manual and other e-papers
- * - Intel IXP400 Access Library Software (BSD license)
- * - previous works by Christian Hohnstaedt <chohnstaedt@innominate.com>
- * Thanks, Christian.
- */
-
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/firmware.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <mach/npe.h>
-
-#define DEBUG_MSG 0
-#define DEBUG_FW 0
-
-#define NPE_COUNT 3
-#define MAX_RETRIES 1000 /* microseconds */
-#define NPE_42X_DATA_SIZE 0x800 /* in dwords */
-#define NPE_46X_DATA_SIZE 0x1000
-#define NPE_A_42X_INSTR_SIZE 0x1000
-#define NPE_B_AND_C_42X_INSTR_SIZE 0x800
-#define NPE_46X_INSTR_SIZE 0x1000
-#define REGS_SIZE 0x1000
-
-#define NPE_PHYS_REG 32
-
-#define FW_MAGIC 0xFEEDF00D
-#define FW_BLOCK_TYPE_INSTR 0x0
-#define FW_BLOCK_TYPE_DATA 0x1
-#define FW_BLOCK_TYPE_EOF 0xF
-
-/* NPE exec status (read) and command (write) */
-#define CMD_NPE_STEP 0x01
-#define CMD_NPE_START 0x02
-#define CMD_NPE_STOP 0x03
-#define CMD_NPE_CLR_PIPE 0x04
-#define CMD_CLR_PROFILE_CNT 0x0C
-#define CMD_RD_INS_MEM 0x10 /* instruction memory */
-#define CMD_WR_INS_MEM 0x11
-#define CMD_RD_DATA_MEM 0x12 /* data memory */
-#define CMD_WR_DATA_MEM 0x13
-#define CMD_RD_ECS_REG 0x14 /* exec access register */
-#define CMD_WR_ECS_REG 0x15
-
-#define STAT_RUN 0x80000000
-#define STAT_STOP 0x40000000
-#define STAT_CLEAR 0x20000000
-#define STAT_ECS_K 0x00800000 /* pipeline clean */
-
-#define NPE_STEVT 0x1B
-#define NPE_STARTPC 0x1C
-#define NPE_REGMAP 0x1E
-#define NPE_CINDEX 0x1F
-
-#define INSTR_WR_REG_SHORT 0x0000C000
-#define INSTR_WR_REG_BYTE 0x00004000
-#define INSTR_RD_FIFO 0x0F888220
-#define INSTR_RESET_MBOX 0x0FAC8210
-
-#define ECS_BG_CTXT_REG_0 0x00 /* Background Executing Context */
-#define ECS_BG_CTXT_REG_1 0x01 /* Stack level */
-#define ECS_BG_CTXT_REG_2 0x02
-#define ECS_PRI_1_CTXT_REG_0 0x04 /* Priority 1 Executing Context */
-#define ECS_PRI_1_CTXT_REG_1 0x05 /* Stack level */
-#define ECS_PRI_1_CTXT_REG_2 0x06
-#define ECS_PRI_2_CTXT_REG_0 0x08 /* Priority 2 Executing Context */
-#define ECS_PRI_2_CTXT_REG_1 0x09 /* Stack level */
-#define ECS_PRI_2_CTXT_REG_2 0x0A
-#define ECS_DBG_CTXT_REG_0 0x0C /* Debug Executing Context */
-#define ECS_DBG_CTXT_REG_1 0x0D /* Stack level */
-#define ECS_DBG_CTXT_REG_2 0x0E
-#define ECS_INSTRUCT_REG 0x11 /* NPE Instruction Register */
-
-#define ECS_REG_0_ACTIVE 0x80000000 /* all levels */
-#define ECS_REG_0_NEXTPC_MASK 0x1FFF0000 /* BG/PRI1/PRI2 levels */
-#define ECS_REG_0_LDUR_BITS 8
-#define ECS_REG_0_LDUR_MASK 0x00000700 /* all levels */
-#define ECS_REG_1_CCTXT_BITS 16
-#define ECS_REG_1_CCTXT_MASK 0x000F0000 /* all levels */
-#define ECS_REG_1_SELCTXT_BITS 0
-#define ECS_REG_1_SELCTXT_MASK 0x0000000F /* all levels */
-#define ECS_DBG_REG_2_IF 0x00100000 /* debug level */
-#define ECS_DBG_REG_2_IE 0x00080000 /* debug level */
-
-/* NPE watchpoint_fifo register bit */
-#define WFIFO_VALID 0x80000000
-
-/* NPE messaging_status register bit definitions */
-#define MSGSTAT_OFNE 0x00010000 /* OutFifoNotEmpty */
-#define MSGSTAT_IFNF 0x00020000 /* InFifoNotFull */
-#define MSGSTAT_OFNF 0x00040000 /* OutFifoNotFull */
-#define MSGSTAT_IFNE 0x00080000 /* InFifoNotEmpty */
-#define MSGSTAT_MBINT 0x00100000 /* Mailbox interrupt */
-#define MSGSTAT_IFINT 0x00200000 /* InFifo interrupt */
-#define MSGSTAT_OFINT 0x00400000 /* OutFifo interrupt */
-#define MSGSTAT_WFINT 0x00800000 /* WatchFifo interrupt */
-
-/* NPE messaging_control register bit definitions */
-#define MSGCTL_OUT_FIFO 0x00010000 /* enable output FIFO */
-#define MSGCTL_IN_FIFO 0x00020000 /* enable input FIFO */
-#define MSGCTL_OUT_FIFO_WRITE 0x01000000 /* enable FIFO + WRITE */
-#define MSGCTL_IN_FIFO_WRITE 0x02000000
-
-/* NPE mailbox_status value for reset */
-#define RESET_MBOX_STAT 0x0000F0F0
-
-#define NPE_A_FIRMWARE "NPE-A"
-#define NPE_B_FIRMWARE "NPE-B"
-#define NPE_C_FIRMWARE "NPE-C"
-
-const char *npe_names[] = { NPE_A_FIRMWARE, NPE_B_FIRMWARE, NPE_C_FIRMWARE };
-
-#define print_npe(pri, npe, fmt, ...) \
- printk(pri "%s: " fmt, npe_name(npe), ## __VA_ARGS__)
-
-#if DEBUG_MSG
-#define debug_msg(npe, fmt, ...) \
- print_npe(KERN_DEBUG, npe, fmt, ## __VA_ARGS__)
-#else
-#define debug_msg(npe, fmt, ...)
-#endif
-
-static struct {
- u32 reg, val;
-} ecs_reset[] = {
- { ECS_BG_CTXT_REG_0, 0xA0000000 },
- { ECS_BG_CTXT_REG_1, 0x01000000 },
- { ECS_BG_CTXT_REG_2, 0x00008000 },
- { ECS_PRI_1_CTXT_REG_0, 0x20000080 },
- { ECS_PRI_1_CTXT_REG_1, 0x01000000 },
- { ECS_PRI_1_CTXT_REG_2, 0x00008000 },
- { ECS_PRI_2_CTXT_REG_0, 0x20000080 },
- { ECS_PRI_2_CTXT_REG_1, 0x01000000 },
- { ECS_PRI_2_CTXT_REG_2, 0x00008000 },
- { ECS_DBG_CTXT_REG_0, 0x20000000 },
- { ECS_DBG_CTXT_REG_1, 0x00000000 },
- { ECS_DBG_CTXT_REG_2, 0x001E0000 },
- { ECS_INSTRUCT_REG, 0x1003C00F },
-};
-
-static struct npe npe_tab[NPE_COUNT] = {
- {
- .id = 0,
- .regs = (struct npe_regs __iomem *)IXP4XX_NPEA_BASE_VIRT,
- .regs_phys = IXP4XX_NPEA_BASE_PHYS,
- }, {
- .id = 1,
- .regs = (struct npe_regs __iomem *)IXP4XX_NPEB_BASE_VIRT,
- .regs_phys = IXP4XX_NPEB_BASE_PHYS,
- }, {
- .id = 2,
- .regs = (struct npe_regs __iomem *)IXP4XX_NPEC_BASE_VIRT,
- .regs_phys = IXP4XX_NPEC_BASE_PHYS,
- }
-};
-
-int npe_running(struct npe *npe)
-{
- return (__raw_readl(&npe->regs->exec_status_cmd) & STAT_RUN) != 0;
-}
-
-static void npe_cmd_write(struct npe *npe, u32 addr, int cmd, u32 data)
-{
- __raw_writel(data, &npe->regs->exec_data);
- __raw_writel(addr, &npe->regs->exec_addr);
- __raw_writel(cmd, &npe->regs->exec_status_cmd);
-}
-
-static u32 npe_cmd_read(struct npe *npe, u32 addr, int cmd)
-{
- __raw_writel(addr, &npe->regs->exec_addr);
- __raw_writel(cmd, &npe->regs->exec_status_cmd);
- /* Iintroduce extra read cycles after issuing read command to NPE
- so that we read the register after the NPE has updated it.
- This is to overcome race condition between XScale and NPE */
- __raw_readl(&npe->regs->exec_data);
- __raw_readl(&npe->regs->exec_data);
- return __raw_readl(&npe->regs->exec_data);
-}
-
-static void npe_clear_active(struct npe *npe, u32 reg)
-{
- u32 val = npe_cmd_read(npe, reg, CMD_RD_ECS_REG);
- npe_cmd_write(npe, reg, CMD_WR_ECS_REG, val & ~ECS_REG_0_ACTIVE);
-}
-
-static void npe_start(struct npe *npe)
-{
- /* ensure only Background Context Stack Level is active */
- npe_clear_active(npe, ECS_PRI_1_CTXT_REG_0);
- npe_clear_active(npe, ECS_PRI_2_CTXT_REG_0);
- npe_clear_active(npe, ECS_DBG_CTXT_REG_0);
-
- __raw_writel(CMD_NPE_CLR_PIPE, &npe->regs->exec_status_cmd);
- __raw_writel(CMD_NPE_START, &npe->regs->exec_status_cmd);
-}
-
-static void npe_stop(struct npe *npe)
-{
- __raw_writel(CMD_NPE_STOP, &npe->regs->exec_status_cmd);
- __raw_writel(CMD_NPE_CLR_PIPE, &npe->regs->exec_status_cmd); /*FIXME?*/
-}
-
-static int __must_check npe_debug_instr(struct npe *npe, u32 instr, u32 ctx,
- u32 ldur)
-{
- u32 wc;
- int i;
-
- /* set the Active bit, and the LDUR, in the debug level */
- npe_cmd_write(npe, ECS_DBG_CTXT_REG_0, CMD_WR_ECS_REG,
- ECS_REG_0_ACTIVE | (ldur << ECS_REG_0_LDUR_BITS));
-
- /* set CCTXT at ECS DEBUG L3 to specify in which context to execute
- the instruction, and set SELCTXT at ECS DEBUG Level to specify
- which context store to access.
- Debug ECS Level Reg 1 has form 0x000n000n, where n = context number
- */
- npe_cmd_write(npe, ECS_DBG_CTXT_REG_1, CMD_WR_ECS_REG,
- (ctx << ECS_REG_1_CCTXT_BITS) |
- (ctx << ECS_REG_1_SELCTXT_BITS));
-
- /* clear the pipeline */
- __raw_writel(CMD_NPE_CLR_PIPE, &npe->regs->exec_status_cmd);
-
- /* load NPE instruction into the instruction register */
- npe_cmd_write(npe, ECS_INSTRUCT_REG, CMD_WR_ECS_REG, instr);
-
- /* we need this value later to wait for completion of NPE execution
- step */
- wc = __raw_readl(&npe->regs->watch_count);
-
- /* issue a Step One command via the Execution Control register */
- __raw_writel(CMD_NPE_STEP, &npe->regs->exec_status_cmd);
-
- /* Watch Count register increments when NPE completes an instruction */
- for (i = 0; i < MAX_RETRIES; i++) {
- if (wc != __raw_readl(&npe->regs->watch_count))
- return 0;
- udelay(1);
- }
-
- print_npe(KERN_ERR, npe, "reset: npe_debug_instr(): timeout\n");
- return -ETIMEDOUT;
-}
-
-static int __must_check npe_logical_reg_write8(struct npe *npe, u32 addr,
- u8 val, u32 ctx)
-{
- /* here we build the NPE assembler instruction: mov8 d0, #0 */
- u32 instr = INSTR_WR_REG_BYTE | /* OpCode */
- addr << 9 | /* base Operand */
- (val & 0x1F) << 4 | /* lower 5 bits to immediate data */
- (val & ~0x1F) << (18 - 5);/* higher 3 bits to CoProc instr. */
- return npe_debug_instr(npe, instr, ctx, 1); /* execute it */
-}
-
-static int __must_check npe_logical_reg_write16(struct npe *npe, u32 addr,
- u16 val, u32 ctx)
-{
- /* here we build the NPE assembler instruction: mov16 d0, #0 */
- u32 instr = INSTR_WR_REG_SHORT | /* OpCode */
- addr << 9 | /* base Operand */
- (val & 0x1F) << 4 | /* lower 5 bits to immediate data */
- (val & ~0x1F) << (18 - 5);/* higher 11 bits to CoProc instr. */
- return npe_debug_instr(npe, instr, ctx, 1); /* execute it */
-}
-
-static int __must_check npe_logical_reg_write32(struct npe *npe, u32 addr,
- u32 val, u32 ctx)
-{
- /* write in 16 bit steps first the high and then the low value */
- if (npe_logical_reg_write16(npe, addr, val >> 16, ctx))
- return -ETIMEDOUT;
- return npe_logical_reg_write16(npe, addr + 2, val & 0xFFFF, ctx);
-}
-
-static int npe_reset(struct npe *npe)
-{
- u32 val, ctl, exec_count, ctx_reg2;
- int i;
-
- ctl = (__raw_readl(&npe->regs->messaging_control) | 0x3F000000) &
- 0x3F3FFFFF;
-
- /* disable parity interrupt */
- __raw_writel(ctl & 0x3F00FFFF, &npe->regs->messaging_control);
-
- /* pre exec - debug instruction */
- /* turn off the halt bit by clearing Execution Count register. */
- exec_count = __raw_readl(&npe->regs->exec_count);
- __raw_writel(0, &npe->regs->exec_count);
- /* ensure that IF and IE are on (temporarily), so that we don't end up
- stepping forever */
- ctx_reg2 = npe_cmd_read(npe, ECS_DBG_CTXT_REG_2, CMD_RD_ECS_REG);
- npe_cmd_write(npe, ECS_DBG_CTXT_REG_2, CMD_WR_ECS_REG, ctx_reg2 |
- ECS_DBG_REG_2_IF | ECS_DBG_REG_2_IE);
-
- /* clear the FIFOs */
- while (__raw_readl(&npe->regs->watchpoint_fifo) & WFIFO_VALID)
- ;
- while (__raw_readl(&npe->regs->messaging_status) & MSGSTAT_OFNE)
- /* read from the outFIFO until empty */
- print_npe(KERN_DEBUG, npe, "npe_reset: read FIFO = 0x%X\n",
- __raw_readl(&npe->regs->in_out_fifo));
-
- while (__raw_readl(&npe->regs->messaging_status) & MSGSTAT_IFNE)
- /* step execution of the NPE intruction to read inFIFO using
- the Debug Executing Context stack */
- if (npe_debug_instr(npe, INSTR_RD_FIFO, 0, 0))
- return -ETIMEDOUT;
-
- /* reset the mailbox reg from the XScale side */
- __raw_writel(RESET_MBOX_STAT, &npe->regs->mailbox_status);
- /* from NPE side */
- if (npe_debug_instr(npe, INSTR_RESET_MBOX, 0, 0))
- return -ETIMEDOUT;
-
- /* Reset the physical registers in the NPE register file */
- for (val = 0; val < NPE_PHYS_REG; val++) {
- if (npe_logical_reg_write16(npe, NPE_REGMAP, val >> 1, 0))
- return -ETIMEDOUT;
- /* address is either 0 or 4 */
- if (npe_logical_reg_write32(npe, (val & 1) * 4, 0, 0))
- return -ETIMEDOUT;
- }
-
- /* Reset the context store = each context's Context Store registers */
-
- /* Context 0 has no STARTPC. Instead, this value is used to set NextPC
- for Background ECS, to set where NPE starts executing code */
- val = npe_cmd_read(npe, ECS_BG_CTXT_REG_0, CMD_RD_ECS_REG);
- val &= ~ECS_REG_0_NEXTPC_MASK;
- val |= (0 /* NextPC */ << 16) & ECS_REG_0_NEXTPC_MASK;
- npe_cmd_write(npe, ECS_BG_CTXT_REG_0, CMD_WR_ECS_REG, val);
-
- for (i = 0; i < 16; i++) {
- if (i) { /* Context 0 has no STEVT nor STARTPC */
- /* STEVT = off, 0x80 */
- if (npe_logical_reg_write8(npe, NPE_STEVT, 0x80, i))
- return -ETIMEDOUT;
- if (npe_logical_reg_write16(npe, NPE_STARTPC, 0, i))
- return -ETIMEDOUT;
- }
- /* REGMAP = d0->p0, d8->p2, d16->p4 */
- if (npe_logical_reg_write16(npe, NPE_REGMAP, 0x820, i))
- return -ETIMEDOUT;
- if (npe_logical_reg_write8(npe, NPE_CINDEX, 0, i))
- return -ETIMEDOUT;
- }
-
- /* post exec */
- /* clear active bit in debug level */
- npe_cmd_write(npe, ECS_DBG_CTXT_REG_0, CMD_WR_ECS_REG, 0);
- /* clear the pipeline */
- __raw_writel(CMD_NPE_CLR_PIPE, &npe->regs->exec_status_cmd);
- /* restore previous values */
- __raw_writel(exec_count, &npe->regs->exec_count);
- npe_cmd_write(npe, ECS_DBG_CTXT_REG_2, CMD_WR_ECS_REG, ctx_reg2);
-
- /* write reset values to Execution Context Stack registers */
- for (val = 0; val < ARRAY_SIZE(ecs_reset); val++)
- npe_cmd_write(npe, ecs_reset[val].reg, CMD_WR_ECS_REG,
- ecs_reset[val].val);
-
- /* clear the profile counter */
- __raw_writel(CMD_CLR_PROFILE_CNT, &npe->regs->exec_status_cmd);
-
- __raw_writel(0, &npe->regs->exec_count);
- __raw_writel(0, &npe->regs->action_points[0]);
- __raw_writel(0, &npe->regs->action_points[1]);
- __raw_writel(0, &npe->regs->action_points[2]);
- __raw_writel(0, &npe->regs->action_points[3]);
- __raw_writel(0, &npe->regs->watch_count);
-
- val = ixp4xx_read_feature_bits();
- /* reset the NPE */
- ixp4xx_write_feature_bits(val &
- ~(IXP4XX_FEATURE_RESET_NPEA << npe->id));
- /* deassert reset */
- ixp4xx_write_feature_bits(val |
- (IXP4XX_FEATURE_RESET_NPEA << npe->id));
- for (i = 0; i < MAX_RETRIES; i++) {
- if (ixp4xx_read_feature_bits() &
- (IXP4XX_FEATURE_RESET_NPEA << npe->id))
- break; /* NPE is back alive */
- udelay(1);
- }
- if (i == MAX_RETRIES)
- return -ETIMEDOUT;
-
- npe_stop(npe);
-
- /* restore NPE configuration bus Control Register - parity settings */
- __raw_writel(ctl, &npe->regs->messaging_control);
- return 0;
-}
-
-
-int npe_send_message(struct npe *npe, const void *msg, const char *what)
-{
- const u32 *send = msg;
- int cycles = 0;
-
- debug_msg(npe, "Trying to send message %s [%08X:%08X]\n",
- what, send[0], send[1]);
-
- if (__raw_readl(&npe->regs->messaging_status) & MSGSTAT_IFNE) {
- debug_msg(npe, "NPE input FIFO not empty\n");
- return -EIO;
- }
-
- __raw_writel(send[0], &npe->regs->in_out_fifo);
-
- if (!(__raw_readl(&npe->regs->messaging_status) & MSGSTAT_IFNF)) {
- debug_msg(npe, "NPE input FIFO full\n");
- return -EIO;
- }
-
- __raw_writel(send[1], &npe->regs->in_out_fifo);
-
- while ((cycles < MAX_RETRIES) &&
- (__raw_readl(&npe->regs->messaging_status) & MSGSTAT_IFNE)) {
- udelay(1);
- cycles++;
- }
-
- if (cycles == MAX_RETRIES) {
- debug_msg(npe, "Timeout sending message\n");
- return -ETIMEDOUT;
- }
-
-#if DEBUG_MSG > 1
- debug_msg(npe, "Sending a message took %i cycles\n", cycles);
-#endif
- return 0;
-}
-
-int npe_recv_message(struct npe *npe, void *msg, const char *what)
-{
- u32 *recv = msg;
- int cycles = 0, cnt = 0;
-
- debug_msg(npe, "Trying to receive message %s\n", what);
-
- while (cycles < MAX_RETRIES) {
- if (__raw_readl(&npe->regs->messaging_status) & MSGSTAT_OFNE) {
- recv[cnt++] = __raw_readl(&npe->regs->in_out_fifo);
- if (cnt == 2)
- break;
- } else {
- udelay(1);
- cycles++;
- }
- }
-
- switch(cnt) {
- case 1:
- debug_msg(npe, "Received [%08X]\n", recv[0]);
- break;
- case 2:
- debug_msg(npe, "Received [%08X:%08X]\n", recv[0], recv[1]);
- break;
- }
-
- if (cycles == MAX_RETRIES) {
- debug_msg(npe, "Timeout waiting for message\n");
- return -ETIMEDOUT;
- }
-
-#if DEBUG_MSG > 1
- debug_msg(npe, "Receiving a message took %i cycles\n", cycles);
-#endif
- return 0;
-}
-
-int npe_send_recv_message(struct npe *npe, void *msg, const char *what)
-{
- int result;
- u32 *send = msg, recv[2];
-
- if ((result = npe_send_message(npe, msg, what)) != 0)
- return result;
- if ((result = npe_recv_message(npe, recv, what)) != 0)
- return result;
-
- if ((recv[0] != send[0]) || (recv[1] != send[1])) {
- debug_msg(npe, "Message %s: unexpected message received\n",
- what);
- return -EIO;
- }
- return 0;
-}
-
-
-int npe_load_firmware(struct npe *npe, const char *name, struct device *dev)
-{
- const struct firmware *fw_entry;
-
- struct dl_block {
- u32 type;
- u32 offset;
- } *blk;
-
- struct dl_image {
- u32 magic;
- u32 id;
- u32 size;
- union {
- u32 data[0];
- struct dl_block blocks[0];
- };
- } *image;
-
- struct dl_codeblock {
- u32 npe_addr;
- u32 size;
- u32 data[0];
- } *cb;
-
- int i, j, err, data_size, instr_size, blocks, table_end;
- u32 cmd;
-
- if ((err = request_firmware(&fw_entry, name, dev)) != 0)
- return err;
-
- err = -EINVAL;
- if (fw_entry->size < sizeof(struct dl_image)) {
- print_npe(KERN_ERR, npe, "incomplete firmware file\n");
- goto err;
- }
- image = (struct dl_image*)fw_entry->data;
-
-#if DEBUG_FW
- print_npe(KERN_DEBUG, npe, "firmware: %08X %08X %08X (0x%X bytes)\n",
- image->magic, image->id, image->size, image->size * 4);
-#endif
-
- if (image->magic == swab32(FW_MAGIC)) { /* swapped file */
- image->id = swab32(image->id);
- image->size = swab32(image->size);
- } else if (image->magic != FW_MAGIC) {
- print_npe(KERN_ERR, npe, "bad firmware file magic: 0x%X\n",
- image->magic);
- goto err;
- }
- if ((image->size * 4 + sizeof(struct dl_image)) != fw_entry->size) {
- print_npe(KERN_ERR, npe,
- "inconsistent size of firmware file\n");
- goto err;
- }
- if (((image->id >> 24) & 0xF /* NPE ID */) != npe->id) {
- print_npe(KERN_ERR, npe, "firmware file NPE ID mismatch\n");
- goto err;
- }
- if (image->magic == swab32(FW_MAGIC))
- for (i = 0; i < image->size; i++)
- image->data[i] = swab32(image->data[i]);
-
- if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) {
- print_npe(KERN_INFO, npe, "IXP43x/IXP46x firmware ignored on "
- "IXP42x\n");
- goto err;
- }
-
- if (npe_running(npe)) {
- print_npe(KERN_INFO, npe, "unable to load firmware, NPE is "
- "already running\n");
- err = -EBUSY;
- goto err;
- }
-#if 0
- npe_stop(npe);
- npe_reset(npe);
-#endif
-
- print_npe(KERN_INFO, npe, "firmware functionality 0x%X, "
- "revision 0x%X:%X\n", (image->id >> 16) & 0xFF,
- (image->id >> 8) & 0xFF, image->id & 0xFF);
-
- if (cpu_is_ixp42x()) {
- if (!npe->id)
- instr_size = NPE_A_42X_INSTR_SIZE;
- else
- instr_size = NPE_B_AND_C_42X_INSTR_SIZE;
- data_size = NPE_42X_DATA_SIZE;
- } else {
- instr_size = NPE_46X_INSTR_SIZE;
- data_size = NPE_46X_DATA_SIZE;
- }
-
- for (blocks = 0; blocks * sizeof(struct dl_block) / 4 < image->size;
- blocks++)
- if (image->blocks[blocks].type == FW_BLOCK_TYPE_EOF)
- break;
- if (blocks * sizeof(struct dl_block) / 4 >= image->size) {
- print_npe(KERN_INFO, npe, "firmware EOF block marker not "
- "found\n");
- goto err;
- }
-
-#if DEBUG_FW
- print_npe(KERN_DEBUG, npe, "%i firmware blocks found\n", blocks);
-#endif
-
- table_end = blocks * sizeof(struct dl_block) / 4 + 1 /* EOF marker */;
- for (i = 0, blk = image->blocks; i < blocks; i++, blk++) {
- if (blk->offset > image->size - sizeof(struct dl_codeblock) / 4
- || blk->offset < table_end) {
- print_npe(KERN_INFO, npe, "invalid offset 0x%X of "
- "firmware block #%i\n", blk->offset, i);
- goto err;
- }
-
- cb = (struct dl_codeblock*)&image->data[blk->offset];
- if (blk->type == FW_BLOCK_TYPE_INSTR) {
- if (cb->npe_addr + cb->size > instr_size)
- goto too_big;
- cmd = CMD_WR_INS_MEM;
- } else if (blk->type == FW_BLOCK_TYPE_DATA) {
- if (cb->npe_addr + cb->size > data_size)
- goto too_big;
- cmd = CMD_WR_DATA_MEM;
- } else {
- print_npe(KERN_INFO, npe, "invalid firmware block #%i "
- "type 0x%X\n", i, blk->type);
- goto err;
- }
- if (blk->offset + sizeof(*cb) / 4 + cb->size > image->size) {
- print_npe(KERN_INFO, npe, "firmware block #%i doesn't "
- "fit in firmware image: type %c, start 0x%X,"
- " length 0x%X\n", i,
- blk->type == FW_BLOCK_TYPE_INSTR ? 'I' : 'D',
- cb->npe_addr, cb->size);
- goto err;
- }
-
- for (j = 0; j < cb->size; j++)
- npe_cmd_write(npe, cb->npe_addr + j, cmd, cb->data[j]);
- }
-
- npe_start(npe);
- if (!npe_running(npe))
- print_npe(KERN_ERR, npe, "unable to start\n");
- release_firmware(fw_entry);
- return 0;
-
-too_big:
- print_npe(KERN_INFO, npe, "firmware block #%i doesn't fit in NPE "
- "memory: type %c, start 0x%X, length 0x%X\n", i,
- blk->type == FW_BLOCK_TYPE_INSTR ? 'I' : 'D',
- cb->npe_addr, cb->size);
-err:
- release_firmware(fw_entry);
- return err;
-}
-
-
-struct npe *npe_request(unsigned id)
-{
- if (id < NPE_COUNT)
- if (npe_tab[id].valid)
- if (try_module_get(THIS_MODULE))
- return &npe_tab[id];
- return NULL;
-}
-
-void npe_release(struct npe *npe)
-{
- module_put(THIS_MODULE);
-}
-
-
-static int __init npe_init_module(void)
-{
-
- int i, found = 0;
-
- for (i = 0; i < NPE_COUNT; i++) {
- struct npe *npe = &npe_tab[i];
- if (!(ixp4xx_read_feature_bits() &
- (IXP4XX_FEATURE_RESET_NPEA << i)))
- continue; /* NPE already disabled or not present */
- if (!(npe->mem_res = request_mem_region(npe->regs_phys,
- REGS_SIZE,
- npe_name(npe)))) {
- print_npe(KERN_ERR, npe,
- "failed to request memory region\n");
- continue;
- }
-
- if (npe_reset(npe))
- continue;
- npe->valid = 1;
- found++;
- }
-
- if (!found)
- return -ENODEV;
- return 0;
-}
-
-static void __exit npe_cleanup_module(void)
-{
- int i;
-
- for (i = 0; i < NPE_COUNT; i++)
- if (npe_tab[i].mem_res) {
- npe_reset(&npe_tab[i]);
- release_resource(npe_tab[i].mem_res);
- }
-}
-
-module_init(npe_init_module);
-module_exit(npe_cleanup_module);
-
-MODULE_AUTHOR("Krzysztof Halasa");
-MODULE_LICENSE("GPL v2");
-MODULE_FIRMWARE(NPE_A_FIRMWARE);
-MODULE_FIRMWARE(NPE_B_FIRMWARE);
-MODULE_FIRMWARE(NPE_C_FIRMWARE);
-
-EXPORT_SYMBOL(npe_names);
-EXPORT_SYMBOL(npe_running);
-EXPORT_SYMBOL(npe_request);
-EXPORT_SYMBOL(npe_release);
-EXPORT_SYMBOL(npe_load_firmware);
-EXPORT_SYMBOL(npe_send_message);
-EXPORT_SYMBOL(npe_recv_message);
-EXPORT_SYMBOL(npe_send_recv_message);
diff --git a/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c b/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c
deleted file mode 100644
index 9d1b6b7c394c..000000000000
--- a/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * Intel IXP4xx Queue Manager driver for Linux
- *
- * Copyright (C) 2007 Krzysztof Halasa <khc@pm.waw.pl>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- */
-
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <mach/qmgr.h>
-
-static struct qmgr_regs __iomem *qmgr_regs = IXP4XX_QMGR_BASE_VIRT;
-static struct resource *mem_res;
-static spinlock_t qmgr_lock;
-static u32 used_sram_bitmap[4]; /* 128 16-dword pages */
-static void (*irq_handlers[QUEUES])(void *pdev);
-static void *irq_pdevs[QUEUES];
-
-#if DEBUG_QMGR
-char qmgr_queue_descs[QUEUES][32];
-#endif
-
-void qmgr_set_irq(unsigned int queue, int src,
- void (*handler)(void *pdev), void *pdev)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&qmgr_lock, flags);
- if (queue < HALF_QUEUES) {
- u32 __iomem *reg;
- int bit;
- BUG_ON(src > QUEUE_IRQ_SRC_NOT_FULL);
- reg = &qmgr_regs->irqsrc[queue >> 3]; /* 8 queues per u32 */
- bit = (queue % 8) * 4; /* 3 bits + 1 reserved bit per queue */
- __raw_writel((__raw_readl(reg) & ~(7 << bit)) | (src << bit),
- reg);
- } else
- /* IRQ source for queues 32-63 is fixed */
- BUG_ON(src != QUEUE_IRQ_SRC_NOT_NEARLY_EMPTY);
-
- irq_handlers[queue] = handler;
- irq_pdevs[queue] = pdev;
- spin_unlock_irqrestore(&qmgr_lock, flags);
-}
-
-
-static irqreturn_t qmgr_irq1_a0(int irq, void *pdev)
-{
- int i, ret = 0;
- u32 en_bitmap, src, stat;
-
- /* ACK - it may clear any bits so don't rely on it */
- __raw_writel(0xFFFFFFFF, &qmgr_regs->irqstat[0]);
-
- en_bitmap = qmgr_regs->irqen[0];
- while (en_bitmap) {
- i = __fls(en_bitmap); /* number of the last "low" queue */
- en_bitmap &= ~BIT(i);
- src = qmgr_regs->irqsrc[i >> 3];
- stat = qmgr_regs->stat1[i >> 3];
- if (src & 4) /* the IRQ condition is inverted */
- stat = ~stat;
- if (stat & BIT(src & 3)) {
- irq_handlers[i](irq_pdevs[i]);
- ret = IRQ_HANDLED;
- }
- }
- return ret;
-}
-
-
-static irqreturn_t qmgr_irq2_a0(int irq, void *pdev)
-{
- int i, ret = 0;
- u32 req_bitmap;
-
- /* ACK - it may clear any bits so don't rely on it */
- __raw_writel(0xFFFFFFFF, &qmgr_regs->irqstat[1]);
-
- req_bitmap = qmgr_regs->irqen[1] & qmgr_regs->statne_h;
- while (req_bitmap) {
- i = __fls(req_bitmap); /* number of the last "high" queue */
- req_bitmap &= ~BIT(i);
- irq_handlers[HALF_QUEUES + i](irq_pdevs[HALF_QUEUES + i]);
- ret = IRQ_HANDLED;
- }
- return ret;
-}
-
-
-static irqreturn_t qmgr_irq(int irq, void *pdev)
-{
- int i, half = (irq == IRQ_IXP4XX_QM1 ? 0 : 1);
- u32 req_bitmap = __raw_readl(&qmgr_regs->irqstat[half]);
-
- if (!req_bitmap)
- return 0;
- __raw_writel(req_bitmap, &qmgr_regs->irqstat[half]); /* ACK */
-
- while (req_bitmap) {
- i = __fls(req_bitmap); /* number of the last queue */
- req_bitmap &= ~BIT(i);
- i += half * HALF_QUEUES;
- irq_handlers[i](irq_pdevs[i]);
- }
- return IRQ_HANDLED;
-}
-
-
-void qmgr_enable_irq(unsigned int queue)
-{
- unsigned long flags;
- int half = queue / 32;
- u32 mask = 1 << (queue & (HALF_QUEUES - 1));
-
- spin_lock_irqsave(&qmgr_lock, flags);
- __raw_writel(__raw_readl(&qmgr_regs->irqen[half]) | mask,
- &qmgr_regs->irqen[half]);
- spin_unlock_irqrestore(&qmgr_lock, flags);
-}
-
-void qmgr_disable_irq(unsigned int queue)
-{
- unsigned long flags;
- int half = queue / 32;
- u32 mask = 1 << (queue & (HALF_QUEUES - 1));
-
- spin_lock_irqsave(&qmgr_lock, flags);
- __raw_writel(__raw_readl(&qmgr_regs->irqen[half]) & ~mask,
- &qmgr_regs->irqen[half]);
- __raw_writel(mask, &qmgr_regs->irqstat[half]); /* clear */
- spin_unlock_irqrestore(&qmgr_lock, flags);
-}
-
-static inline void shift_mask(u32 *mask)
-{
- mask[3] = mask[3] << 1 | mask[2] >> 31;
- mask[2] = mask[2] << 1 | mask[1] >> 31;
- mask[1] = mask[1] << 1 | mask[0] >> 31;
- mask[0] <<= 1;
-}
-
-#if DEBUG_QMGR
-int qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
- unsigned int nearly_empty_watermark,
- unsigned int nearly_full_watermark,
- const char *desc_format, const char* name)
-#else
-int __qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
- unsigned int nearly_empty_watermark,
- unsigned int nearly_full_watermark)
-#endif
-{
- u32 cfg, addr = 0, mask[4]; /* in 16-dwords */
- int err;
-
- BUG_ON(queue >= QUEUES);
-
- if ((nearly_empty_watermark | nearly_full_watermark) & ~7)
- return -EINVAL;
-
- switch (len) {
- case 16:
- cfg = 0 << 24;
- mask[0] = 0x1;
- break;
- case 32:
- cfg = 1 << 24;
- mask[0] = 0x3;
- break;
- case 64:
- cfg = 2 << 24;
- mask[0] = 0xF;
- break;
- case 128:
- cfg = 3 << 24;
- mask[0] = 0xFF;
- break;
- default:
- return -EINVAL;
- }
-
- cfg |= nearly_empty_watermark << 26;
- cfg |= nearly_full_watermark << 29;
- len /= 16; /* in 16-dwords: 1, 2, 4 or 8 */
- mask[1] = mask[2] = mask[3] = 0;
-
- if (!try_module_get(THIS_MODULE))
- return -ENODEV;
-
- spin_lock_irq(&qmgr_lock);
- if (__raw_readl(&qmgr_regs->sram[queue])) {
- err = -EBUSY;
- goto err;
- }
-
- while (1) {
- if (!(used_sram_bitmap[0] & mask[0]) &&
- !(used_sram_bitmap[1] & mask[1]) &&
- !(used_sram_bitmap[2] & mask[2]) &&
- !(used_sram_bitmap[3] & mask[3]))
- break; /* found free space */
-
- addr++;
- shift_mask(mask);
- if (addr + len > ARRAY_SIZE(qmgr_regs->sram)) {
- printk(KERN_ERR "qmgr: no free SRAM space for"
- " queue %i\n", queue);
- err = -ENOMEM;
- goto err;
- }
- }
-
- used_sram_bitmap[0] |= mask[0];
- used_sram_bitmap[1] |= mask[1];
- used_sram_bitmap[2] |= mask[2];
- used_sram_bitmap[3] |= mask[3];
- __raw_writel(cfg | (addr << 14), &qmgr_regs->sram[queue]);
-#if DEBUG_QMGR
- snprintf(qmgr_queue_descs[queue], sizeof(qmgr_queue_descs[0]),
- desc_format, name);
- printk(KERN_DEBUG "qmgr: requested queue %s(%i) addr = 0x%02X\n",
- qmgr_queue_descs[queue], queue, addr);
-#endif
- spin_unlock_irq(&qmgr_lock);
- return 0;
-
-err:
- spin_unlock_irq(&qmgr_lock);
- module_put(THIS_MODULE);
- return err;
-}
-
-void qmgr_release_queue(unsigned int queue)
-{
- u32 cfg, addr, mask[4];
-
- BUG_ON(queue >= QUEUES); /* not in valid range */
-
- spin_lock_irq(&qmgr_lock);
- cfg = __raw_readl(&qmgr_regs->sram[queue]);
- addr = (cfg >> 14) & 0xFF;
-
- BUG_ON(!addr); /* not requested */
-
- switch ((cfg >> 24) & 3) {
- case 0: mask[0] = 0x1; break;
- case 1: mask[0] = 0x3; break;
- case 2: mask[0] = 0xF; break;
- case 3: mask[0] = 0xFF; break;
- }
-
- mask[1] = mask[2] = mask[3] = 0;
-
- while (addr--)
- shift_mask(mask);
-
-#if DEBUG_QMGR
- printk(KERN_DEBUG "qmgr: releasing queue %s(%i)\n",
- qmgr_queue_descs[queue], queue);
- qmgr_queue_descs[queue][0] = '\x0';
-#endif
-
- while ((addr = qmgr_get_entry(queue)))
- printk(KERN_ERR "qmgr: released queue %i not empty: 0x%08X\n",
- queue, addr);
-
- __raw_writel(0, &qmgr_regs->sram[queue]);
-
- used_sram_bitmap[0] &= ~mask[0];
- used_sram_bitmap[1] &= ~mask[1];
- used_sram_bitmap[2] &= ~mask[2];
- used_sram_bitmap[3] &= ~mask[3];
- irq_handlers[queue] = NULL; /* catch IRQ bugs */
- spin_unlock_irq(&qmgr_lock);
-
- module_put(THIS_MODULE);
-}
-
-static int qmgr_init(void)
-{
- int i, err;
- irq_handler_t handler1, handler2;
-
- mem_res = request_mem_region(IXP4XX_QMGR_BASE_PHYS,
- IXP4XX_QMGR_REGION_SIZE,
- "IXP4xx Queue Manager");
- if (mem_res == NULL)
- return -EBUSY;
-
- /* reset qmgr registers */
- for (i = 0; i < 4; i++) {
- __raw_writel(0x33333333, &qmgr_regs->stat1[i]);
- __raw_writel(0, &qmgr_regs->irqsrc[i]);
- }
- for (i = 0; i < 2; i++) {
- __raw_writel(0, &qmgr_regs->stat2[i]);
- __raw_writel(0xFFFFFFFF, &qmgr_regs->irqstat[i]); /* clear */
- __raw_writel(0, &qmgr_regs->irqen[i]);
- }
-
- __raw_writel(0xFFFFFFFF, &qmgr_regs->statne_h);
- __raw_writel(0, &qmgr_regs->statf_h);
-
- for (i = 0; i < QUEUES; i++)
- __raw_writel(0, &qmgr_regs->sram[i]);
-
- if (cpu_is_ixp42x_rev_a0()) {
- handler1 = qmgr_irq1_a0;
- handler2 = qmgr_irq2_a0;
- } else
- handler1 = handler2 = qmgr_irq;
-
- err = request_irq(IRQ_IXP4XX_QM1, handler1, 0, "IXP4xx Queue Manager",
- NULL);
- if (err) {
- printk(KERN_ERR "qmgr: failed to request IRQ%i (%i)\n",
- IRQ_IXP4XX_QM1, err);
- goto error_irq;
- }
-
- err = request_irq(IRQ_IXP4XX_QM2, handler2, 0, "IXP4xx Queue Manager",
- NULL);
- if (err) {
- printk(KERN_ERR "qmgr: failed to request IRQ%i (%i)\n",
- IRQ_IXP4XX_QM2, err);
- goto error_irq2;
- }
-
- used_sram_bitmap[0] = 0xF; /* 4 first pages reserved for config */
- spin_lock_init(&qmgr_lock);
-
- printk(KERN_INFO "IXP4xx Queue Manager initialized.\n");
- return 0;
-
-error_irq2:
- free_irq(IRQ_IXP4XX_QM1, NULL);
-error_irq:
- release_mem_region(IXP4XX_QMGR_BASE_PHYS, IXP4XX_QMGR_REGION_SIZE);
- return err;
-}
-
-static void qmgr_remove(void)
-{
- free_irq(IRQ_IXP4XX_QM1, NULL);
- free_irq(IRQ_IXP4XX_QM2, NULL);
- synchronize_irq(IRQ_IXP4XX_QM1);
- synchronize_irq(IRQ_IXP4XX_QM2);
- release_mem_region(IXP4XX_QMGR_BASE_PHYS, IXP4XX_QMGR_REGION_SIZE);
-}
-
-module_init(qmgr_init);
-module_exit(qmgr_remove);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Krzysztof Halasa");
-
-EXPORT_SYMBOL(qmgr_set_irq);
-EXPORT_SYMBOL(qmgr_enable_irq);
-EXPORT_SYMBOL(qmgr_disable_irq);
-#if DEBUG_QMGR
-EXPORT_SYMBOL(qmgr_queue_descs);
-EXPORT_SYMBOL(qmgr_request_queue);
-#else
-EXPORT_SYMBOL(__qmgr_request_queue);
-#endif
-EXPORT_SYMBOL(qmgr_release_queue);
diff --git a/arch/arm/mach-ixp4xx/nas100d-pci.c b/arch/arm/mach-ixp4xx/nas100d-pci.c
index 8f0eba0a6800..925ef805f966 100644
--- a/arch/arm/mach-ixp4xx/nas100d-pci.c
+++ b/arch/arm/mach-ixp4xx/nas100d-pci.c
@@ -21,6 +21,8 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
+#include "irqs.h"
+
#define MAX_DEV 3
#define IRQ_LINES 3
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index 4138d6aa4c52..c142cfa8c5d6 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -34,6 +34,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
#define NAS100D_SDA_PIN 5
#define NAS100D_SCL_PIN 6
@@ -279,9 +281,6 @@ static void __init nas100d_init(void)
ixp4xx_sys_init();
- /* gpio 14 and 15 are _not_ clocks */
- *IXP4XX_GPIO_GPCLKR = 0;
-
nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
nas100d_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
index 032defe111aa..d69ee4066d20 100644
--- a/arch/arm/mach-ixp4xx/nslu2-pci.c
+++ b/arch/arm/mach-ixp4xx/nslu2-pci.c
@@ -21,6 +21,8 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
+#include "irqs.h"
+
#define MAX_DEV 3
#define IRQ_LINES 3
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 341b263482ef..ee1877fcfafe 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -32,6 +32,8 @@
#include <asm/mach/flash.h>
#include <asm/mach/time.h>
+#include "irqs.h"
+
#define NSLU2_SDA_PIN 7
#define NSLU2_SCL_PIN 6
@@ -125,10 +127,18 @@ static struct platform_device nslu2_i2c_gpio = {
},
};
+static struct resource nslu2_beeper_resources[] = {
+ {
+ .start = IRQ_IXP4XX_TIMER2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct platform_device nslu2_beeper = {
.name = "ixp4xx-beeper",
.id = NSLU2_GPIO_BUZZ,
- .num_resources = 0,
+ .resource = nslu2_beeper_resources,
+ .num_resources = ARRAY_SIZE(nslu2_beeper_resources),
};
static struct resource nslu2_uart_resources[] = {
diff --git a/arch/arm/mach-ixp4xx/wg302v2-pci.c b/arch/arm/mach-ixp4xx/wg302v2-pci.c
index c92e5b82af36..cf83f7e24179 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-pci.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-pci.c
@@ -27,6 +27,8 @@
#include <asm/mach/pci.h>
+#include "irqs.h"
+
void __init wg302v2_pci_preinit(void)
{
irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
diff --git a/arch/arm/mach-ixp4xx/wg302v2-setup.c b/arch/arm/mach-ixp4xx/wg302v2-setup.c
index 90b3c604e8b6..8711e299229b 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-setup.c
@@ -29,6 +29,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include "irqs.h"
+
static struct flash_platform_data wg302v2_flash_data = {
.map_name = "cfi_probe",
.width = 2,