Merge branch 'orion' into devel

* orion: (26 commits)
  [ARM] Orion: implement power-off method for QNAP TS-109/209
  [ARM] Orion: add support for QNAP TS-109/TS-209
  [ARM] Orion: I2C support
  [I2C] i2c-mv64xxx: Don't set i2c_adapter.retries
  [I2C] Split mv643xx I2C platform support
  [ARM] Orion: enable CONFIG_RTC_DRV_M41T80 for D-Link DNS-323
  [ARM] Orion defconfig
  [ARM] Orion: add support for Orion/MV88F5181 based D-Link DNS-323
  [ARM] Orion: MV88F5181 support bits
  [ARM] Orion: Buffalo/Revogear Kurobox Pro support
  [ARM] OrionNAS RD board support
  [ARM] Orion: support for Marvell Orion-2 (88F5281) Development Board
  [ARM] Orion: common platform setup for Gigabit Ethernet port
  [ARM] Orion: platform device registration for UART, USB and NAND
  [ARM] Orion: system timer support
  [ARM] Orion edge GPIO IRQ support
  [ARM] Orion: IRQ support
  [ARM] Orion: provide GPIO method for enabling hardware assisted blinking
  [ARM] Orion: GPIO support
  [ARM] Orion: programable address map support
  ...

Conflicts:

	arch/arm/Kconfig
	arch/arm/Makefile
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -334,6 +334,16 @@ config ARCH_MXC
 	help
 	  Support for Freescale MXC/iMX-based family of processors
 
+config ARCH_ORION
+	bool "Marvell Orion"
+	depends on MMU
+	select PCI
+	select GENERIC_GPIO
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+	help
+	  Support for Marvell Orion System on Chip family.
+
 config ARCH_PNX4008
 	bool "Philips Nexperia PNX4008 Mobile"
 	help
@@ -454,6 +464,8 @@ source "arch/arm/mach-omap1/Kconfig"
 
 source "arch/arm/mach-omap2/Kconfig"
 
+source "arch/arm/mach-orion/Kconfig"
+
 source "arch/arm/plat-s3c24xx/Kconfig"
 source "arch/arm/plat-s3c/Kconfig"
 
@@ -732,7 +744,7 @@ config LEDS
 		   ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
 		   ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
 		   ARCH_AT91 || MACH_TRIZEPS4 || ARCH_DAVINCI || \
-		   ARCH_KS8695
+		   ARCH_KS8695 || MACH_RD88F5182
 	help
 	  If you say Y here, the LEDs on your machine will be used
 	  to provide useful information about your current system status.
@@ -967,7 +979,7 @@ config FPE_FASTFPE
 
 config VFP
 	bool "VFP-format floating point maths"
-	depends on CPU_V6 || CPU_ARM926T || CPU_V7
+	depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
 	help
 	  Say Y to include VFP support code in the kernel. This is needed
 	  if your hardware includes a VFP unit.

arch/arm/Makefile

@@ -139,6 +139,7 @@ endif
  machine-$(CONFIG_ARCH_KS8695)     := ks8695
   incdir-$(CONFIG_ARCH_MXC)	   := mxc
  machine-$(CONFIG_ARCH_MX3)	   := mx3
+ machine-$(CONFIG_ARCH_ORION)	   := orion
  machine-$(CONFIG_ARCH_MSM7X00A)   := msm
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)

arch/arm/boot/compressed/head.S

@@ -623,6 +623,12 @@ proc_types:
 		b	__armv4_mmu_cache_off
 		b	__armv4_mmu_cache_flush
 
+		.word	0x56055310		@ Feroceon
+		.word	0xfffffff0
+		b	__armv4_mmu_cache_on
+		b	__armv4_mmu_cache_off
+		b	__armv5tej_mmu_cache_flush
+
 		@ These match on the architecture ID
 
 		.word	0x00020000		@ ARMv4T
@@ -641,7 +647,7 @@ proc_types:
 		.word	0x000f0000
 		b	__armv4_mmu_cache_on
 		b	__armv4_mmu_cache_off
-		b	__armv4_mmu_cache_flush
+		b	__armv5tej_mmu_cache_flush
 
 		.word	0x0007b000		@ ARMv6
 		.word	0x000ff000
@@ -821,6 +827,13 @@ iflush:
 		mcr	p15, 0, r10, c7, c10, 4	@ drain WB
 		mov	pc, lr
 
+__armv5tej_mmu_cache_flush:
+1:		mrc	p15, 0, r15, c7, c14, 3	@ test,clean,invalidate D cache
+		bne	1b
+		mcr	p15, 0, r0, c7, c5, 0	@ flush I cache
+		mcr	p15, 0, r0, c7, c10, 4	@ drain WB
+		mov	pc, lr
+
 __armv4_mmu_cache_flush:
 		mov	r2, #64*1024		@ default: 32K dcache size (*2)
 		mov	r11, #32		@ default: 32 byte line size

arch/arm/mach-orion/Kconfig

+if ARCH_ORION
+
+menu "Orion Implementations"
+
+config MACH_DB88F5281
+	bool "Marvell Orion-2 Development Board"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell Orion-2 (88F5281) Development Board
+
+config MACH_RD88F5182
+	bool "Marvell Orion-NAS Reference Design"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell Orion-NAS (88F5182) RD2
+
+config MACH_KUROBOX_PRO
+	bool "KuroBox Pro"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  KuroBox Pro platform.
+
+config MACH_DNS323
+	bool "D-Link DNS-323"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  D-Link DNS-323 platform.
+
+config MACH_TS209
+	bool "QNAP TS-109/TS-209"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  QNAP TS-109/TS-209 platform.
+
+endmenu
+
+endif

arch/arm/mach-orion/Makefile

+obj-y				+= common.o addr-map.o pci.o gpio.o irq.o time.o
+obj-$(CONFIG_MACH_DB88F5281)	+= db88f5281-setup.o
+obj-$(CONFIG_MACH_RD88F5182)	+= rd88f5182-setup.o
+obj-$(CONFIG_MACH_KUROBOX_PRO)	+= kurobox_pro-setup.o
+obj-$(CONFIG_MACH_DNS323)	+= dns323-setup.o
+obj-$(CONFIG_MACH_TS209)	+= ts209-setup.o

arch/arm/mach-orion/Makefile.boot

+   zreladdr-y	:= 0x00008000
+params_phys-y	:= 0x00000100
+initrd_phys-y	:= 0x00800000

arch/arm/mach-orion/common.c

+/*
+ * arch/arm/mach-orion/common.c
+ *
+ * Core functions for Marvell Orion System On Chip
+ *
+ * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
+#include <asm/page.h>
+#include <asm/timex.h>
+#include <asm/mach/map.h>
+#include <asm/arch/orion.h>
+#include "common.h"
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc orion_io_desc[] __initdata = {
+	{
+		.virtual	= ORION_REGS_BASE,
+		.pfn		= __phys_to_pfn(ORION_REGS_BASE),
+		.length		= ORION_REGS_SIZE,
+		.type		= MT_DEVICE
+	},
+	{
+		.virtual	= ORION_PCIE_IO_BASE,
+		.pfn		= __phys_to_pfn(ORION_PCIE_IO_BASE),
+		.length		= ORION_PCIE_IO_SIZE,
+		.type		= MT_DEVICE
+	},
+	{
+		.virtual	= ORION_PCI_IO_BASE,
+		.pfn		= __phys_to_pfn(ORION_PCI_IO_BASE),
+		.length		= ORION_PCI_IO_SIZE,
+		.type		= MT_DEVICE
+	},
+	{
+		.virtual	= ORION_PCIE_WA_BASE,
+		.pfn		= __phys_to_pfn(ORION_PCIE_WA_BASE),
+		.length		= ORION_PCIE_WA_SIZE,
+		.type		= MT_DEVICE
+	},
+};
+
+void __init orion_map_io(void)
+{
+	iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc));
+}
+
+/*****************************************************************************
+ * UART
+ ****************************************************************************/
+
+static struct resource orion_uart_resources[] = {
+	{
+		.start		= UART0_BASE,
+		.end		= UART0_BASE + 0xff,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= IRQ_ORION_UART0,
+		.end		= IRQ_ORION_UART0,
+		.flags		= IORESOURCE_IRQ,
+	},
+	{
+		.start		= UART1_BASE,
+		.end		= UART1_BASE + 0xff,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= IRQ_ORION_UART1,
+		.end		= IRQ_ORION_UART1,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct plat_serial8250_port orion_uart_data[] = {
+	{
+		.mapbase	= UART0_BASE,
+		.membase	= (char *)UART0_BASE,
+		.irq		= IRQ_ORION_UART0,
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= ORION_TCLK,
+	},
+	{
+		.mapbase	= UART1_BASE,
+		.membase	= (char *)UART1_BASE,
+		.irq		= IRQ_ORION_UART1,
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= ORION_TCLK,
+	},
+	{ },
+};
+
+static struct platform_device orion_uart = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= orion_uart_data,
+	},
+	.resource		= orion_uart_resources,
+	.num_resources		= ARRAY_SIZE(orion_uart_resources),
+};
+
+/*******************************************************************************
+ * USB Controller - 2 interfaces
+ ******************************************************************************/
+
+static struct resource orion_ehci0_resources[] = {
+	{
+		.start	= ORION_USB0_REG_BASE,
+		.end	= ORION_USB0_REG_BASE + SZ_4K,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_ORION_USB0_CTRL,
+		.end	= IRQ_ORION_USB0_CTRL,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource orion_ehci1_resources[] = {
+	{
+		.start	= ORION_USB1_REG_BASE,
+		.end	= ORION_USB1_REG_BASE + SZ_4K,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_ORION_USB1_CTRL,
+		.end	= IRQ_ORION_USB1_CTRL,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 ehci_dmamask = 0xffffffffUL;
+
+static struct platform_device orion_ehci0 = {
+	.name		= "orion-ehci",
+	.id		= 0,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.resource	= orion_ehci0_resources,
+	.num_resources	= ARRAY_SIZE(orion_ehci0_resources),
+};
+
+static struct platform_device orion_ehci1 = {
+	.name		= "orion-ehci",
+	.id		= 1,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.resource	= orion_ehci1_resources,
+	.num_resources	= ARRAY_SIZE(orion_ehci1_resources),
+};
+
+/*****************************************************************************
+ * Gigabit Ethernet port
+ * (The Orion and Discovery (MV643xx) families use the same Ethernet driver)
+ ****************************************************************************/
+
+static struct resource orion_eth_shared_resources[] = {
+	{
+		.start	= ORION_ETH_REG_BASE,
+		.end	= ORION_ETH_REG_BASE + 0xffff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device orion_eth_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= orion_eth_shared_resources,
+};
+
+static struct resource orion_eth_resources[] = {
+	{
+		.name	= "eth irq",
+		.start	= IRQ_ORION_ETH_SUM,
+		.end	= IRQ_ORION_ETH_SUM,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device orion_eth = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= orion_eth_resources,
+};
+
+void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data)
+{
+	orion_eth.dev.platform_data = eth_data;
+	platform_device_register(&orion_eth_shared);
+	platform_device_register(&orion_eth);
+}
+
+/*****************************************************************************
+ * I2C controller
+ * (The Orion and Discovery (MV643xx) families share the same I2C controller)
+ ****************************************************************************/
+
+static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
+	.freq_m		= 8, /* assumes 166 MHz TCLK */
+	.freq_n		= 3,
+	.timeout	= 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_resources[] = {
+	{
+		.name   = "i2c base",
+		.start  = I2C_BASE,
+		.end    = I2C_BASE + 0x20 -1,
+		.flags  = IORESOURCE_MEM,
+	},
+	{
+		.name   = "i2c irq",
+		.start  = IRQ_ORION_I2C,
+		.end    = IRQ_ORION_I2C,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion_i2c = {
+	.name		= MV64XXX_I2C_CTLR_NAME,
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(orion_i2c_resources),
+	.resource	= orion_i2c_resources,
+	.dev		= {
+		.platform_data = &orion_i2c_pdata,
+	},
+};
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+
+/*
+ * Identify device ID and rev from PCIE configuration header space '0'.
+ */
+static void orion_id(u32 *dev, u32 *rev, char **dev_name)
+{
+	orion_pcie_id(dev, rev);
+
+	if (*dev == MV88F5281_DEV_ID) {
+		if (*rev == MV88F5281_REV_D2) {
+			*dev_name = "MV88F5281-D2";
+		} else if (*rev == MV88F5281_REV_D1) {
+			*dev_name = "MV88F5281-D1";
+		} else {
+			*dev_name = "MV88F5281-Rev-Unsupported";
+		}
+	} else if (*dev == MV88F5182_DEV_ID) {
+		if (*rev == MV88F5182_REV_A2) {
+			*dev_name = "MV88F5182-A2";
+		} else {
+			*dev_name = "MV88F5182-Rev-Unsupported";
+		}
+	} else if (*dev == MV88F5181_DEV_ID) {
+		if (*rev == MV88F5181_REV_B1) {
+			*dev_name = "MV88F5181-Rev-B1";
+		} else {
+			*dev_name = "MV88F5181-Rev-Unsupported";
+		}
+	} else {
+		*dev_name = "Device-Unknown";
+	}
+}
+
+void __init orion_init(void)
+{
+	char *dev_name;
+	u32 dev, rev;
+
+	orion_id(&dev, &rev, &dev_name);
+	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION_TCLK);
+
+	/*
+	 * Setup Orion address map
+	 */
+	orion_setup_cpu_wins();
+	orion_setup_usb_wins();
+	orion_setup_eth_wins();
+	orion_setup_pci_wins();
+	orion_setup_pcie_wins();
+	if (dev == MV88F5182_DEV_ID)
+		orion_setup_sata_wins();
+
+	/*
+	 * REgister devices
+	 */
+	platform_device_register(&orion_uart);
+	platform_device_register(&orion_ehci0);
+	if (dev == MV88F5182_DEV_ID)
+		platform_device_register(&orion_ehci1);
+	platform_device_register(&orion_i2c);
+}

arch/arm/mach-orion/common.h

+#ifndef __ARCH_ORION_COMMON_H__
+#define __ARCH_ORION_COMMON_H__
+
+/*
+ * Basic Orion init functions used early by machine-setup.
+ */
+
+void __init orion_map_io(void);
+void __init orion_init_irq(void);
+void __init orion_init(void);
+
+/*
+ * Enumerations and functions for Orion windows mapping. Used by Orion core
+ * functions to map its interfaces and by the machine-setup to map its on-
+ * board devices. Details in /mach-orion/addr-map.c
+ */
+
+enum orion_target {
+	ORION_DEV_BOOT = 0,
+	ORION_DEV0,
+	ORION_DEV1,
+	ORION_DEV2,
+	ORION_PCIE_MEM,
+	ORION_PCIE_IO,
+	ORION_PCI_MEM,
+	ORION_PCI_IO,
+	ORION_DDR,
+	ORION_REGS,
+	ORION_MAX_TARGETS
+};
+
+void orion_setup_cpu_win(enum orion_target target, u32 base, u32 size, int remap);
+void orion_setup_cpu_wins(void);
+void orion_setup_eth_wins(void);
+void orion_setup_usb_wins(void);
+void orion_setup_pci_wins(void);
+void orion_setup_pcie_wins(void);
+void orion_setup_sata_wins(void);
+
+/*
+ * Shared code used internally by other Orion core functions.
+ * (/mach-orion/pci.c)
+ */
+
+struct pci_sys_data;
+struct pci_bus;
+
+void orion_pcie_id(u32 *dev, u32 *rev);
+u32 orion_pcie_local_bus_nr(void);
+u32 orion_pci_local_bus_nr(void);
+u32 orion_pci_local_dev_nr(void);
+int orion_pci_sys_setup(int nr, struct pci_sys_data *sys);
+struct pci_bus *orion_pci_sys_scan_bus(int nr, struct pci_sys_data *sys);
+int orion_pci_hw_rd_conf(u32 bus, u32 dev, u32 func, u32 where, u32 size, u32 *val);
+int orion_pci_hw_wr_conf(u32 bus, u32 dev, u32 func, u32 where, u32 size, u32 val);
+
+/*
+ * Valid GPIO pins according to MPP setup, used by machine-setup.
+ * (/mach-orion/gpio.c).
+ */
+
+void __init orion_gpio_set_valid_pins(u32 pins);
+void gpio_display(void);	/* debug */
+
+/*
+ * Orion system timer (clocksource + clockevnt, /mach-orion/time.c)
+ */
+extern struct sys_timer orion_timer;
+
+/*
+ * Pull in Orion Ethernet platform_data, used by machine-setup
+ */
+
+struct mv643xx_eth_platform_data;
+
+void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data);
+
+#endif /* __ARCH_ORION_COMMON_H__ */

arch/arm/mach-orion/db88f5281-setup.c

+/*
+ * arch/arm/mach-orion/db88f5281-setup.c
+ *
+ * Marvell Orion-2 Development Board Setup
+ *
+ * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/timer.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion.h>
+#include <asm/arch/platform.h>
+#include "common.h"
+
+/*****************************************************************************
+ * DB-88F5281 on board devices
+ ****************************************************************************/
+
+/*
+ * 512K NOR flash Device bus boot chip select
+ */
+
+#define DB88F5281_NOR_BOOT_BASE		0xf4000000
+#define DB88F5281_NOR_BOOT_SIZE		SZ_512K
+
+/*
+ * 7-Segment on Device bus chip select 0
+ */
+
+#define DB88F5281_7SEG_BASE		0xfa000000
+#define DB88F5281_7SEG_SIZE		SZ_1K
+
+/*
+ * 32M NOR flash on Device bus chip select 1
+ */
+
+#define DB88F5281_NOR_BASE		0xfc000000
+#define DB88F5281_NOR_SIZE		SZ_32M
+
+/*
+ * 32M NAND flash on Device bus chip select 2
+ */
+
+#define DB88F5281_NAND_BASE		0xfa800000
+#define DB88F5281_NAND_SIZE		SZ_1K
+
+/*
+ * PCI
+ */
+
+#define DB88F5281_PCI_SLOT0_OFFS		7
+#define DB88F5281_PCI_SLOT0_IRQ_PIN		12
+#define DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN	13
+
+/*****************************************************************************
+ * 512M NOR Flash on Device bus Boot CS
+ ****************************************************************************/
+
+static struct physmap_flash_data db88f5281_boot_flash_data = {
+	.width		= 1,	/* 8 bit bus width */
+};
+
+static struct resource db88f5281_boot_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= DB88F5281_NOR_BOOT_BASE,
+	.end		= DB88F5281_NOR_BOOT_BASE + DB88F5281_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device db88f5281_boot_flash = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &db88f5281_boot_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &db88f5281_boot_flash_resource,
+};
+
+/*****************************************************************************
+ * 32M NOR Flash on Device bus CS1
+ ****************************************************************************/
+
+static struct physmap_flash_data db88f5281_nor_flash_data = {
+	.width		= 4,	/* 32 bit bus width */
+};
+
+static struct resource db88f5281_nor_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= DB88F5281_NOR_BASE,
+	.end		= DB88F5281_NOR_BASE + DB88F5281_NOR_SIZE - 1,
+};
+
+static struct platform_device db88f5281_nor_flash = {
+	.name		= "physmap-flash",
+	.id		= 1,
+	.dev		= {
+		.platform_data = &db88f5281_nor_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &db88f5281_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * 32M NAND Flash on Device bus CS2
+ ****************************************************************************/
+
+static struct mtd_partition db88f5281_nand_parts[] = {
+	{
+		.name = "kernel",
+		.offset = 0,
+		.size = SZ_2M,
+	},
+	{
+		.name = "root",
+		.offset = SZ_2M,
+		.size = (SZ_16M - SZ_2M),
+	},
+	{
+		.name = "user",
+		.offset = SZ_16M,
+		.size = SZ_8M,
+	},
+	{
+		.name = "recovery",
+		.offset = (SZ_16M + SZ_8M),
+		.size = SZ_8M,
+	},
+};
+
+static struct resource db88f5281_nand_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= DB88F5281_NAND_BASE,
+	.end		= DB88F5281_NAND_BASE + DB88F5281_NAND_SIZE - 1,
+};
+
+static struct orion_nand_data db88f5281_nand_data = {
+	.parts		= db88f5281_nand_parts,
+	.nr_parts	= ARRAY_SIZE(db88f5281_nand_parts),
+	.cle		= 0,
+	.ale		= 1,
+	.width		= 8,
+};
+
+static struct platform_device db88f5281_nand_flash = {
+	.name		= "orion_nand",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &db88f5281_nand_data,
+	},
+	.resource	= &db88f5281_nand_resource,
+	.num_resources	= 1,
+};
+
+/*****************************************************************************
+ * 7-Segment on Device bus CS0
+ * Dummy counter every 2 sec
+ ****************************************************************************/
+
+static void __iomem *db88f5281_7seg;
+static struct timer_list db88f5281_timer;
+
+static void db88f5281_7seg_event(unsigned long data)
+{
+	static int count = 0;
+	writel(0, db88f5281_7seg + (count << 4));
+	count = (count + 1) & 7;
+	mod_timer(&db88f5281_timer, jiffies + 2 * HZ);
+}
+
+static int __init db88f5281_7seg_init(void)
+{
+	if (machine_is_db88f5281()) {
+		db88f5281_7seg = ioremap(DB88F5281_7SEG_BASE,
+					DB88F5281_7SEG_SIZE);
+		if (!db88f5281_7seg) {
+			printk(KERN_ERR "Failed to ioremap db88f5281_7seg\n");
+			return -EIO;
+		}
+		setup_timer(&db88f5281_timer, db88f5281_7seg_event, 0);
+		mod_timer(&db88f5281_timer, jiffies + 2 * HZ);
+	}
+
+	return 0;
+}
+
+__initcall(db88f5281_7seg_init);
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+void __init db88f5281_pci_preinit(void)
+{
+	int pin;
+
+	/*
+	 * Configure PCI GPIO IRQ pins
+	 */
+	pin = DB88F5281_PCI_SLOT0_IRQ_PIN;
+	if (gpio_request(pin, "PCI Int1") == 0) {
+		if (gpio_direction_input(pin) == 0) {
+			set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+		} else {
+			printk(KERN_ERR "db88f5281_pci_preinit faield to "
+					"set_irq_type pin %d\n", pin);
+			gpio_free(pin);
+		}
+	} else {
+		printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin);
+	}
+
+	pin = DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN;
+	if (gpio_request(pin, "PCI Int2") == 0) {
+		if (gpio_direction_input(pin) == 0) {
+			set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+		} else {
+			printk(KERN_ERR "db88f5281_pci_preinit faield "
+					"to set_irq_type pin %d\n", pin);
+			gpio_free(pin);
+		}
+	} else {
+		printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin);
+	}
+}
+
+static int __init db88f5281_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	/*
+	 * PCIE IRQ is connected internally (not GPIO)
+	 */
+	if (dev->bus->number == orion_pcie_local_bus_nr())
+		return IRQ_ORION_PCIE0_INT;
+
+	/*
+	 * PCI IRQs are connected via GPIOs
+	 */
+	switch (slot - DB88F5281_PCI_SLOT0_OFFS) {
+	case 0:
+		return gpio_to_irq(DB88F5281_PCI_SLOT0_IRQ_PIN);
+	case 1:
+	case 2:
+		return gpio_to_irq(DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN);
+	default:
+		return -1;
+	}
+}
+
+static struct hw_pci db88f5281_pci __initdata = {
+	.nr_controllers	= 2,
+	.preinit	= db88f5281_pci_preinit,
+	.swizzle	= pci_std_swizzle,
+	.setup		= orion_pci_sys_setup,
+	.scan		= orion_pci_sys_scan_bus,
+	.map_irq	= db88f5281_pci_map_irq,
+};
+
+static int __init db88f5281_pci_init(void)
+{
+	if (machine_is_db88f5281())
+		pci_common_init(&db88f5281_pci);
+
+	return 0;
+}
+
+subsys_initcall(db88f5281_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+static struct mv643xx_eth_platform_data db88f5281_eth_data = {
+	.phy_addr	= 8,
+	.force_phy_addr = 1,
+};
+
+/*****************************************************************************
+ * RTC DS1339 on I2C bus
+ ****************************************************************************/
+static struct i2c_board_info __initdata db88f5281_i2c_rtc = {
+	.driver_name	= "rtc-ds1307",
+	.type		= "ds1339",
+	.addr		= 0x68,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct platform_device *db88f5281_devs[] __initdata = {
+	&db88f5281_boot_flash,
+	&db88f5281_nor_flash,
+	&db88f5281_nand_flash,
+};
+
+static void __init db88f5281_init(void)
+{
+	/*
+	 * Basic Orion setup. Need to be called early.
+	 */
+	orion_init();
+
+	/*
+	 * Setup the CPU address decode windows for our on-board devices
+	 */
+	orion_setup_cpu_win(ORION_DEV_BOOT, DB88F5281_NOR_BOOT_BASE,
+				DB88F5281_NOR_BOOT_SIZE, -1);
+	orion_setup_cpu_win(ORION_DEV0,	DB88F5281_7SEG_BASE,
+				DB88F5281_7SEG_SIZE, -1);
+	orion_setup_cpu_win(ORION_DEV1, DB88F5281_NOR_BASE,
+				DB88F5281_NOR_SIZE, -1);
+	orion_setup_cpu_win(ORION_DEV2,	DB88F5281_NAND_BASE,
+				DB88F5281_NAND_SIZE, -1);
+
+	/*
+	 * Setup Multiplexing Pins:
+	 * MPP0: GPIO (USB Over Current)	MPP1: GPIO (USB Vbat input)
+	 * MPP2: PCI_REQn[2]			MPP3: PCI_GNTn[2]
+	 * MPP4: PCI_REQn[3]			MPP5: PCI_GNTn[3]
+	 * MPP6: GPIO (JP0, CON17.2)		MPP7: GPIO (JP1, CON17.1)
+	 * MPP8: GPIO (JP2, CON11.2)		MPP9: GPIO (JP3, CON11.3)
+	 * MPP10: GPIO (RTC int)		MPP11: GPIO (Baud Rate Generator)
+	 * MPP12: GPIO (PCI int 1)		MPP13: GPIO (PCI int 2)
+	 * MPP14: NAND_REn[2]			MPP15: NAND_WEn[2]
+	 * MPP16: UART1_RX			MPP17: UART1_TX
+	 * MPP18: UART1_CTS			MPP19: UART1_RTS
+	 * MPP-DEV: DEV_D[16:31]
+	 */
+	orion_write(MPP_0_7_CTRL, 0x00222203);
+	orion_write(MPP_8_15_CTRL, 0x44000000);
+	orion_write(MPP_16_19_CTRL, 0);
+	orion_write(MPP_DEV_CTRL, 0);
+
+	orion_gpio_set_valid_pins(0x00003fc3);
+
+	platform_add_devices(db88f5281_devs, ARRAY_SIZE(db88f5281_devs));
+	i2c_register_board_info(0, &db88f5281_i2c_rtc, 1);
+	orion_eth_init(&db88f5281_eth_data);
+}
+
+MACHINE_START(DB88F5281, "Marvell Orion-2 Development Board")
+	/* Maintainer: Tzachi Perelstein <tzachi@marvell.com> */
+	.phys_io	= ORION_REGS_BASE,
+	.io_pg_offst	= ((ORION_REGS_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= db88f5281_init,
+	.map_io		= orion_map_io,
+	.init_irq	= orion_init_irq,
+	.timer		= &orion_timer,
+MACHINE_END

arch/arm/mach-orion/dns323-setup.c

+/*
+ * arch/arm/mach-orion/dns323-setup.c
+ *
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion.h>
+#include <asm/arch/platform.h>
+#include "common.h"
+
+#define DNS323_GPIO_LED_RIGHT_AMBER	1
+#define DNS323_GPIO_LED_LEFT_AMBER	2
+#define DNS323_GPIO_LED_POWER		5
+#define DNS323_GPIO_OVERTEMP		6
+#define DNS323_GPIO_RTC			7
+#define DNS323_GPIO_POWER_OFF		8
+#define DNS323_GPIO_KEY_POWER		9
+#define DNS323_GPIO_KEY_RESET		10
+
+/****************************************************************************
+ * PCI setup
+ */
+
+static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	/* PCI-E */
+	if (dev->bus->number == orion_pcie_local_bus_nr())
+		return IRQ_ORION_PCIE0_INT;
+
+	pr_err("%s: requested mapping for unknown bus\n", __func__);
+
+	return -1;
+}
+
+static struct hw_pci dns323_pci __initdata = {
+	.nr_controllers = 1,
+	.swizzle	= pci_std_swizzle,
+	.setup		= orion_pci_sys_setup,
+	.scan		= orion_pci_sys_scan_bus,
+	.map_irq	= dns323_pci_map_irq,
+};
+
+static int __init dns323_pci_init(void)
+{
+	if (machine_is_dns323())
+		pci_common_init(&dns323_pci);
+
+	return 0;
+}
+
+subsys_initcall(dns323_pci_init);
+
+/****************************************************************************
+ * Ethernet
+ */
+
+static struct mv643xx_eth_platform_data dns323_eth_data = {
+	.phy_addr = 8,
+	.force_phy_addr = 1,
+};
+
+/****************************************************************************
+ * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
+ *
+ * Layout as used by D-Link:
+ *  0x00000000-0x00010000 : "MTD1"
+ *  0x00010000-0x00020000 : "MTD2"
+ *  0x00020000-0x001a0000 : "Linux Kernel"
+ *  0x001a0000-0x007d0000 : "File System"
+ *  0x007d0000-0x00800000 : "u-boot"
+ */
+
+#define DNS323_NOR_BOOT_BASE 0xf4000000
+#define DNS323_NOR_BOOT_SIZE SZ_8M
+
+static struct mtd_partition dns323_partitions[] = {
+	{
+		.name	= "MTD1",
+		.size	= 0x00010000,
+		.offset	= 0,
+	}, {
+		.name	= "MTD2",
+		.size	= 0x00010000,
+		.offset = 0x00010000,
+	}, {
+		.name	= "Linux Kernel",
+		.size	= 0x00180000,
+		.offset	= 0x00020000,
+	}, {
+		.name	= "File System",
+		.size	= 0x00630000,
+		.offset	= 0x001A0000,
+	}, {
+		.name	= "u-boot",
+		.size	= 0x00030000,
+		.offset	= 0x007d0000,
+	}
+};
+
+static struct physmap_flash_data dns323_nor_flash_data = {
+	.width		= 1,
+	.parts		= dns323_partitions,
+	.nr_parts	= ARRAY_SIZE(dns323_partitions)
+};
+
+static struct resource dns323_nor_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= DNS323_NOR_BOOT_BASE,
+	.end		= DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device dns323_nor_flash = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= { .platform_data = &dns323_nor_flash_data, },
+	.resource	= &dns323_nor_flash_resource,
+	.num_resources	= 1,
+};
+
+/****************************************************************************
+ * GPIO LEDs (simple - doesn't use hardware blinking support)
+ */
+
+static struct gpio_led dns323_leds[] = {
+	{
+		.name = "power:blue",
+		.gpio = DNS323_GPIO_LED_POWER,
+		.active_low = 1,
+	}, {
+		.name = "right:amber",
+		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
+		.active_low = 1,
+	}, {
+		.name = "left:amber",
+		.gpio = DNS323_GPIO_LED_LEFT_AMBER,
+		.active_low = 1,
+	},
+};
+
+static struct gpio_led_platform_data dns323_led_data = {
+	.num_leds	= ARRAY_SIZE(dns323_leds),
+	.leds		= dns323_leds,
+};
+
+static struct platform_device dns323_gpio_leds = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev		= { .platform_data = &dns323_led_data, },
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ */
+
+static struct gpio_keys_button dns323_buttons[] = {
+	{
+		.code		= KEY_RESTART,
+		.gpio		= DNS323_GPIO_KEY_RESET,
+		.desc		= "Reset Button",
+		.active_low	= 1,
+	},
+	{
+		.code		= KEY_POWER,
+		.gpio		= DNS323_GPIO_KEY_POWER,
+		.desc		= "Power Button",
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_platform_data dns323_button_data = {
+	.buttons	= dns323_buttons,
+	.nbuttons       = ARRAY_SIZE(dns323_buttons),
+};
+
+static struct platform_device dns323_button_device = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.num_resources	= 0,
+	.dev		= { .platform_data  = &dns323_button_data, },
+};
+
+/****************************************************************************
+ * General Setup
+ */
+
+static struct platform_device *dns323_plat_devices[] __initdata = {
+	&dns323_nor_flash,
+	&dns323_gpio_leds,
+	&dns323_button_device,
+};
+
+/*
+ * On the DNS-323 the following devices are attached via I2C:
+ *
+ *  i2c addr | chip        | description
+ *  0x3e     | GMT G760Af  | fan speed PWM controller
+ *  0x48     | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
+ *  0x68     | ST M41T80   | RTC w/ alarm
+ */
+static struct i2c_board_info __initdata dns323_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("g760a", 0x3e),
+		.type = "g760a",
+	},
+#if 0
+	/* this entry requires the new-style driver model lm75 driver,
+	 * for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */
+	{
+		I2C_BOARD_INFO("lm75", 0x48),
+		.type = "g751",
+	},
+#endif
+	{
+		I2C_BOARD_INFO("rtc-m41t80", 0x68),
+		.type = "m41t80",
+	}
+};
+
+/* DNS-323 specific power off method */
+static void dns323_power_off(void)
+{
+	pr_info("%s: triggering power-off...\n", __func__);
+	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
+}
+
+static void __init dns323_init(void)
+{
+	/* Setup basic Orion functions. Need to be called early. */
+	orion_init();
+
+	/* setup flash mapping
+	 * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
+	 */
+	orion_setup_cpu_win(ORION_DEV_BOOT, DNS323_NOR_BOOT_BASE,
+			    DNS323_NOR_BOOT_SIZE, -1);
+
+	/* DNS-323 has a Marvell 88X7042 SATA controller attached via PCIE
+	 *
+	 * Open a special address decode windows for the PCIE WA.
+	 */
+	orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
+	orion_write(ORION_REGS_BASE | 0x20070,
+		    (0x7941 | (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
+
+	/* set MPP to 0 as D-Link's 2.6.12.6 kernel did */
+	orion_write(MPP_0_7_CTRL, 0);
+	orion_write(MPP_8_15_CTRL, 0);
+	orion_write(MPP_16_19_CTRL, 0);
+	orion_write(MPP_DEV_CTRL, 0);
+
+	/* Define used GPIO pins
+
+	  GPIO Map:
+
+	  |  0 |     | PEX_RST_OUT (not controlled by GPIO)
+	  |  1 | Out | right amber LED (= sata ch0 LED)  (low-active)
+	  |  2 | Out | left  amber LED (= sata ch1 LED)  (low-active)
+	  |  3 | Out | //unknown//
+	  |  4 | Out | power button LED (low-active, together with pin #5)
+	  |  5 | Out | power button LED (low-active, together with pin #4)
+	  |  6 | In  | GMT G751-2f overtemp. shutdown signal (low-active)
+	  |  7 | In  | M41T80 nIRQ/OUT/SQW signal
+	  |  8 | Out | triggers power off (high-active)
+	  |  9 | In  | power button switch (low-active)
+	  | 10 | In  | reset button switch (low-active)
+	  | 11 | Out | //unknown//
+	  | 12 | Out | //unknown//
+	  | 13 | Out | //unknown//
+	  | 14 | Out | //unknown//
+	  | 15 | Out | //unknown//
+	*/
+	orion_gpio_set_valid_pins(0x07f6);
+
+	/* register dns323 specific power-off method */
+	if ((gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0)
+	    || (gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0))
+		pr_err("DNS323: failed to setup power-off GPIO\n");
+
+	pm_power_off = dns323_power_off;
+
+	/* register flash and other platform devices */
+	platform_add_devices(dns323_plat_devices,
+			     ARRAY_SIZE(dns323_plat_devices));
+
+	i2c_register_board_info(0, dns323_i2c_devices,
+				ARRAY_SIZE(dns323_i2c_devices));
+
+	orion_eth_init(&dns323_eth_data);
+}
+
+/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
+MACHINE_START(DNS323, "D-Link DNS-323")
+	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
+	.phys_io	= ORION_REGS_BASE,
+	.io_pg_offst	= ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= dns323_init,
+	.map_io		= orion_map_io,
+	.init_irq	= orion_init_irq,
+	.timer		= &orion_timer,
+MACHINE_END

arch/arm/mach-orion/gpio.c

+/*
+ * arch/arm/mach-orion/gpio.c
+ *
+ * GPIO functions for Marvell Orion System On Chip
+ *
+ * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/bitops.h>
+#include <asm/gpio.h>
+#include <asm/arch/orion.h>
+#include "common.h"
+
+static DEFINE_SPINLOCK(gpio_lock);
+static unsigned long gpio_valid[BITS_TO_LONGS(GPIO_MAX)];
+static const char *gpio_label[GPIO_MAX];  /* non null for allocated GPIOs */
+
+void __init orion_gpio_set_valid_pins(u32 pins)
+{
+	gpio_valid[0] = pins;
+}
+
+/*
+ * GENERIC_GPIO primitives
+ */
+int gpio_direction_input(unsigned pin)
+{
+	unsigned long flags;
+
+	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	/*
+	 * Some callers might have not used the gpio_request(),
+	 * so flag this pin as requested now.
+	 */
+	if (!gpio_label[pin])
+		gpio_label[pin] = "?";
+
+	orion_setbits(GPIO_IO_CONF, 1 << pin);
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+	return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned pin, int value)
+{
+	unsigned long flags;
+	int mask;
+
+	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	/*
+	 * Some callers might have not used the gpio_request(),
+	 * so flag this pin as requested now.
+	 */
+	if (!gpio_label[pin])
+		gpio_label[pin] = "?";
+
+	mask = 1 << pin;
+	orion_clrbits(GPIO_BLINK_EN, mask);
+	if (value)
+		orion_setbits(GPIO_OUT, mask);
+	else
+		orion_clrbits(GPIO_OUT, mask);
+	orion_clrbits(GPIO_IO_CONF, mask);
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+	return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
+int gpio_get_value(unsigned pin)
+{
+	int val, mask = 1 << pin;
+
+	if (orion_read(GPIO_IO_CONF) & mask)
+		val = orion_read(GPIO_DATA_IN) ^ orion_read(GPIO_IN_POL);
+	else
+		val = orion_read(GPIO_OUT);
+
+	return val & mask;
+}
+EXPORT_SYMBOL(gpio_get_value);
+
+void gpio_set_value(unsigned pin, int value)
+{
+	unsigned long flags;
+	int mask = 1 << pin;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	orion_clrbits(GPIO_BLINK_EN, mask);
+	if (value)
+		orion_setbits(GPIO_OUT, mask);
+	else
+		orion_clrbits(GPIO_OUT, mask);
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+}
+EXPORT_SYMBOL(gpio_set_value);
+
+void orion_gpio_set_blink(unsigned pin, int blink)
+{
+	unsigned long flags;
+	int mask = 1 << pin;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	orion_clrbits(GPIO_OUT, mask);
+	if (blink)
+		orion_setbits(GPIO_BLINK_EN, mask);
+	else
+		orion_clrbits(GPIO_BLINK_EN, mask);
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+}
+EXPORT_SYMBOL(orion_gpio_set_blink);
+
+int gpio_request(unsigned pin, const char *label)
+{
+	int ret = 0;
+	unsigned long flags;
+
+	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	if (gpio_label[pin]) {
+		pr_debug("%s: GPIO %d already used as %s\n",
+			 __FUNCTION__, pin, gpio_label[pin]);
+		ret = -EBUSY;
+	} else
+		gpio_label[pin] = label ? label : "?";
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+	return ret;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned pin)
+{
+	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		return;
+	}
+
+	if (!gpio_label[pin])
+		pr_warning("%s: GPIO %d already freed\n", __FUNCTION__, pin);
+	else
+		gpio_label[pin] = NULL;
+}
+EXPORT_SYMBOL(gpio_free);
+
+/* Debug helper */
+void gpio_display(void)
+{
+	int i;
+
+	for (i = 0; i < GPIO_MAX; i++) {
+		printk(KERN_DEBUG "Pin-%d: ", i);
+
+		if (!test_bit(i, gpio_valid)) {
+			printk("non-GPIO\n");
+		} else if (!gpio_label[i]) {
+			printk("GPIO, free\n");
+		} else {
+			printk("GPIO, used by %s, ", gpio_label[i]);
+			if (orion_read(GPIO_IO_CONF) & (1 << i)) {
+				printk("input, active %s, level %s, edge %s\n",
+				((orion_read(GPIO_IN_POL) >> i) & 1) ? "low" : "high",
+				((orion_read(GPIO_LEVEL_MASK) >> i) & 1) ? "enabled" : "masked",
+				((orion_read(GPIO_EDGE_MASK) >> i) & 1) ? "enabled" : "masked");
+			} else {
+				printk("output, val=%d\n", (orion_read(GPIO_OUT) >> i) & 1);
+			}
+		}
+	}
+
+	printk(KERN_DEBUG "MPP_0_7_CTRL (0x%08x) = 0x%08x\n",
+				MPP_0_7_CTRL, orion_read(MPP_0_7_CTRL));
+	printk(KERN_DEBUG "MPP_8_15_CTRL (0x%08x) = 0x%08x\n",
+				MPP_8_15_CTRL, orion_read(MPP_8_15_CTRL));
+	printk(KERN_DEBUG "MPP_16_19_CTRL (0x%08x) = 0x%08x\n",
+				MPP_16_19_CTRL, orion_read(MPP_16_19_CTRL));
+	printk(KERN_DEBUG "MPP_DEV_CTRL (0x%08x) = 0x%08x\n",
+				MPP_DEV_CTRL, orion_read(MPP_DEV_CTRL));
+	printk(KERN_DEBUG "GPIO_OUT (0x%08x) = 0x%08x\n",
+				GPIO_OUT, orion_read(GPIO_OUT));
+	printk(KERN_DEBUG "GPIO_IO_CONF (0x%08x) = 0x%08x\n",
+				GPIO_IO_CONF, orion_read(GPIO_IO_CONF));
+	printk(KERN_DEBUG "GPIO_BLINK_EN (0x%08x) = 0x%08x\n",
+				GPIO_BLINK_EN, orion_read(GPIO_BLINK_EN));
+	printk(KERN_DEBUG "GPIO_IN_POL (0x%08x) = 0x%08x\n",
+				GPIO_IN_POL, orion_read(GPIO_IN_POL));
+	printk(KERN_DEBUG "GPIO_DATA_IN (0x%08x) = 0x%08x\n",
+				GPIO_DATA_IN, orion_read(GPIO_DATA_IN));
+	printk(KERN_DEBUG "GPIO_LEVEL_MASK (0x%08x) = 0x%08x\n",
+				GPIO_LEVEL_MASK, orion_read(GPIO_LEVEL_MASK));
+	printk(KERN_DEBUG "GPIO_EDGE_CAUSE (0x%08x) = 0x%08x\n",
+				GPIO_EDGE_CAUSE, orion_read(GPIO_EDGE_CAUSE));
+	printk(KERN_DEBUG "GPIO_EDGE_MASK (0x%08x) = 0x%08x\n",
+				GPIO_EDGE_MASK, orion_read(GPIO_EDGE_MASK));
+}

arch/arm/mach-orion/irq.c

+/*
+ * arch/arm/mach-orion/irq.c
+ *
+ * Core IRQ functions for Marvell Orion System On Chip
+ *
+ * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/gpio.h>
+#include <asm/arch/orion.h>
+#include "common.h"
+
+/*****************************************************************************
+ * Orion GPIO IRQ
+ *
+ * GPIO_IN_POL register controlls whether GPIO_DATA_IN will hold the same
+ * value of the line or the opposite value.
+ *
+ * Level IRQ handlers: DATA_IN is used directly as cause register.
+ *                     Interrupt are masked by LEVEL_MASK registers.
+ * Edge IRQ handlers:  Change in DATA_IN are latched in EDGE_CAUSE.
+ *                     Interrupt are masked by EDGE_MASK registers.
+ * Both-edge handlers: Similar to regular Edge handlers, but also swaps
+ *                     the polarity to catch the next line transaction.
+ *                     This is a race condition that might not perfectly
+ *                     work on some use cases.
+ *
+ * Every eight GPIO lines are grouped (OR'ed) before going up to main
+ * cause register.
+ *
+ *                    EDGE  cause    mask
+ *        data-in   /--------| |-----| |----\
+ *     -----| |-----                         ---- to main cause reg
+ *           X      \----------------| |----/
+ *        polarity    LEVEL          mask
+ *
+ ****************************************************************************/
+static void orion_gpio_irq_ack(u32 irq)
+{
+	int pin = irq_to_gpio(irq);
+	if (irq_desc[irq].status & IRQ_LEVEL)
+		/*
+		 * Mask bit for level interrupt
+		 */
+		orion_clrbits(GPIO_LEVEL_MASK, 1 << pin);
+	else
+		/*
+		 * Clear casue bit for egde interrupt
+		 */
+		orion_clrbits(GPIO_EDGE_CAUSE, 1 << pin);
+}
+
+static void orion_gpio_irq_mask(u32 irq)
+{
+	int pin = irq_to_gpio(irq);
+	if (irq_desc[irq].status & IRQ_LEVEL)
+		orion_clrbits(GPIO_LEVEL_MASK, 1 << pin);
+	else
+		orion_clrbits(GPIO_EDGE_MASK, 1 << pin);
+}
+
+static void orion_gpio_irq_unmask(u32 irq)
+{
+	int pin = irq_to_gpio(irq);
+	if (irq_desc[irq].status & IRQ_LEVEL)
+		orion_setbits(GPIO_LEVEL_MASK, 1 << pin);
+	else
+		orion_setbits(GPIO_EDGE_MASK, 1 << pin);
+}
+
+static int orion_gpio_set_irq_type(u32 irq, u32 type)
+{
+	int pin = irq_to_gpio(irq);
+	struct irq_desc *desc;
+
+	if ((orion_read(GPIO_IO_CONF) & (1 << pin)) == 0) {
+		printk(KERN_ERR "orion_gpio_set_irq_type failed "
+				"(irq %d, pin %d).\n", irq, pin);
+		return -EINVAL;
+	}
+
+	desc = irq_desc + irq;
+
+	switch (type) {
+	case IRQT_HIGH:
+		desc->handle_irq = handle_level_irq;
+		desc->status |= IRQ_LEVEL;
+		orion_clrbits(GPIO_IN_POL, (1 << pin));
+		break;
+	case IRQT_LOW:
+		desc->handle_irq = handle_level_irq;
+		desc->status |= IRQ_LEVEL;
+		orion_setbits(GPIO_IN_POL, (1 << pin));
+		break;
+	case IRQT_RISING:
+		desc->handle_irq = handle_edge_irq;
+		desc->status &= ~IRQ_LEVEL;
+		orion_clrbits(GPIO_IN_POL, (1 << pin));
+		break;
+	case IRQT_FALLING:
+		desc->handle_irq = handle_edge_irq;
+		desc->status &= ~IRQ_LEVEL;
+		orion_setbits(GPIO_IN_POL, (1 << pin));
+		break;
+	case IRQT_BOTHEDGE:
+		desc->handle_irq = handle_edge_irq;
+		desc->status &= ~IRQ_LEVEL;
+		/*
+		 * set initial polarity based on current input level
+		 */
+		if ((orion_read(GPIO_IN_POL) ^ orion_read(GPIO_DATA_IN))
+		    & (1 << pin))
+			orion_setbits(GPIO_IN_POL, (1 << pin)); /* falling */
+		else
+			orion_clrbits(GPIO_IN_POL, (1 << pin)); /* rising */
+
+		break;
+	default:
+		printk(KERN_ERR "failed to set irq=%d (type=%d)\n", irq, type);
+		return -EINVAL;
+	}
+
+	desc->status &= ~IRQ_TYPE_SENSE_MASK;
+	desc->status |= type & IRQ_TYPE_SENSE_MASK;
+
+	return 0;
+}
+
+static struct irq_chip orion_gpio_irq_chip = {
+	.name		= "Orion-IRQ-GPIO",
+	.ack		= orion_gpio_irq_ack,
+	.mask		= orion_gpio_irq_mask,
+	.unmask		= orion_gpio_irq_unmask,
+	.set_type	= orion_gpio_set_irq_type,
+};
+
+static void orion_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+	u32 cause, offs, pin;
+
+	BUG_ON(irq < IRQ_ORION_GPIO_0_7 || irq > IRQ_ORION_GPIO_24_31);
+	offs = (irq - IRQ_ORION_GPIO_0_7) * 8;
+	cause = (orion_read(GPIO_DATA_IN) & orion_read(GPIO_LEVEL_MASK)) |
+		(orion_read(GPIO_EDGE_CAUSE) & orion_read(GPIO_EDGE_MASK));
+
+	for (pin = offs; pin < offs + 8; pin++) {
+		if (cause & (1 << pin)) {
+			irq = gpio_to_irq(pin);
+			desc = irq_desc + irq;
+			if ((desc->status & IRQ_TYPE_SENSE_MASK) == IRQT_BOTHEDGE) {
+				/* Swap polarity (race with GPIO line) */
+				u32 polarity = orion_read(GPIO_IN_POL);
+				polarity ^= 1 << pin;
+				orion_write(GPIO_IN_POL, polarity);
+			}
+			desc_handle_irq(irq, desc);
+		}
+	}
+}
+
+static void __init orion_init_gpio_irq(void)
+{
+	int i;
+	struct irq_desc *desc;
+
+	/*
+	 * Mask and clear GPIO IRQ interrupts
+	 */
+	orion_write(GPIO_LEVEL_MASK, 0x0);
+	orion_write(GPIO_EDGE_MASK, 0x0);
+	orion_write(GPIO_EDGE_CAUSE, 0x0);
+
+	/*
+	 * Register chained level handlers for GPIO IRQs by default.
+	 * User can use set_type() if he wants to use edge types handlers.
+	 */
+	for (i = IRQ_ORION_GPIO_START; i < NR_IRQS; i++) {
+		set_irq_chip(i, &orion_gpio_irq_chip);
+		set_irq_handler(i, handle_level_irq);
+		desc = irq_desc + i;
+		desc->status |= IRQ_LEVEL;
+		set_irq_flags(i, IRQF_VALID);
+	}
+	set_irq_chained_handler(IRQ_ORION_GPIO_0_7, orion_gpio_irq_handler);
+	set_irq_chained_handler(IRQ_ORION_GPIO_8_15, orion_gpio_irq_handler);
+	set_irq_chained_handler(IRQ_ORION_GPIO_16_23, orion_gpio_irq_handler);
+	set_irq_chained_handler(IRQ_ORION_GPIO_24_31, orion_gpio_irq_handler);
+}
+
+/*****************************************************************************
+ * Orion Main IRQ
+ ****************************************************************************/
+static void orion_main_irq_mask(u32 irq)
+{
+	orion_clrbits(MAIN_IRQ_MASK, 1 << irq);
+}
+
+static void orion_main_irq_unmask(u32 irq)
+{
+	orion_setbits(MAIN_IRQ_MASK, 1 << irq);
+}
+
+static struct irq_chip orion_main_irq_chip = {
+	.name		= "Orion-IRQ-Main",
+	.ack		= orion_main_irq_mask,
+	.mask		= orion_main_irq_mask,
+	.unmask		= orion_main_irq_unmask,
+};
+
+static void __init orion_init_main_irq(void)
+{
+	int i;
+
+	/*
+	 * Mask and clear Main IRQ interrupts
+	 */
+	orion_write(MAIN_IRQ_MASK, 0x0);
+	orion_write(MAIN_IRQ_CAUSE, 0x0);
+
+	/*
+	 * Register level handler for Main IRQs
+	 */
+	for (i = 0; i < IRQ_ORION_GPIO_START; i++) {
+		set_irq_chip(i, &orion_main_irq_chip);
+		set_irq_handler(i, handle_level_irq);
+		set_irq_flags(i, IRQF_VALID);
+	}
+}
+
+void __init orion_init_irq(void)
+{
+	orion_init_main_irq();
+	orion_init_gpio_irq();
+}

arch/arm/mach-orion/kurobox_pro-setup.c

+/*
+ * arch/arm/mach-orion/kurobox_pro-setup.c
+ *
+ * Maintainer: Ronen Shitrit <rshitrit@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion.h>
+#include <asm/arch/platform.h>
+#include "common.h"
+
+/*****************************************************************************
+ * KUROBOX-PRO Info
+ ****************************************************************************/
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define KUROBOX_PRO_NOR_BOOT_BASE	0xf4000000
+#define KUROBOX_PRO_NOR_BOOT_SIZE	SZ_256K
+
+/*
+ * 256M NAND flash on Device bus chip select 1
+ */
+
+#define KUROBOX_PRO_NAND_BASE		0xfc000000
+#define KUROBOX_PRO_NAND_SIZE		SZ_2M
+
+/*****************************************************************************
+ * 256MB NAND Flash on Device bus CS0
+ ****************************************************************************/
+
+static struct mtd_partition kurobox_pro_nand_parts[] = {
+	{
+		.name	= "uImage",
+		.offset	= 0,
+		.size	= SZ_4M,
+	},
+	{
+		.name	= "rootfs",
+		.offset	= SZ_4M,
+		.size	= SZ_64M,
+	},
+	{
+		.name	= "extra",
+		.offset	= SZ_4M + SZ_64M,
+		.size	= SZ_256M - (SZ_4M + SZ_64M),
+	},
+};
+
+static struct resource kurobox_pro_nand_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= KUROBOX_PRO_NAND_BASE,
+	.end		= KUROBOX_PRO_NAND_BASE + KUROBOX_PRO_NAND_SIZE - 1,
+};
+
+static struct orion_nand_data kurobox_pro_nand_data = {
+	.parts		= kurobox_pro_nand_parts,
+	.nr_parts	= ARRAY_SIZE(kurobox_pro_nand_parts),
+	.cle		= 0,
+	.ale		= 1,
+	.width		= 8,
+};
+
+static struct platform_device kurobox_pro_nand_flash = {
+	.name		= "orion_nand",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &kurobox_pro_nand_data,
+	},
+	.resource	= &kurobox_pro_nand_resource,
+	.num_resources	= 1,
+};
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data kurobox_pro_nor_flash_data = {
+	.width		= 1,
+};
+
+static struct resource kurobox_pro_nor_flash_resource = {
+	.flags			= IORESOURCE_MEM,
+	.start			= KUROBOX_PRO_NOR_BOOT_BASE,
+	.end			= KUROBOX_PRO_NOR_BOOT_BASE + KUROBOX_PRO_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device kurobox_pro_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &kurobox_pro_nor_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &kurobox_pro_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+static int __init kurobox_pro_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	/*
+	 * PCI isn't used on the Kuro
+	 */
+	if (dev->bus->number == orion_pcie_local_bus_nr())
+		return IRQ_ORION_PCIE0_INT;
+	else
+		printk(KERN_ERR "kurobox_pro_pci_map_irq failed, unknown bus\n");
+
+	return -1;
+}
+
+static struct hw_pci kurobox_pro_pci __initdata = {
+	.nr_controllers	= 1,
+	.swizzle	= pci_std_swizzle,
+	.setup		= orion_pci_sys_setup,
+	.scan		= orion_pci_sys_scan_bus,
+	.map_irq	= kurobox_pro_pci_map_irq,
+};
+
+static int __init kurobox_pro_pci_init(void)
+{
+	if (machine_is_kurobox_pro())
+		pci_common_init(&kurobox_pro_pci);
+
+	return 0;
+}
+
+subsys_initcall(kurobox_pro_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data kurobox_pro_eth_data = {
+	.phy_addr	= 8,
+	.force_phy_addr = 1,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = {
+       .driver_name    = "rtc-rs5c372",
+       .type           = "rs5c372a",
+       .addr           = 0x32,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct platform_device *kurobox_pro_devices[] __initdata = {
+	&kurobox_pro_nor_flash,
+	&kurobox_pro_nand_flash,
+};
+
+static void __init kurobox_pro_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion_init();
+
+	/*
+	 * Setup the CPU address decode windows for our devices
+	 */
+	orion_setup_cpu_win(ORION_DEV_BOOT, KUROBOX_PRO_NOR_BOOT_BASE,
+				KUROBOX_PRO_NOR_BOOT_SIZE, -1);
+	orion_setup_cpu_win(ORION_DEV0,	KUROBOX_PRO_NAND_BASE,
+				KUROBOX_PRO_NAND_SIZE, -1);
+	/*
+	 * Open a special address decode windows for the PCIE WA.
+	 */
+	orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
+	orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
+		(((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
+
+	/*
+	 * Setup Multiplexing Pins --
+	 * MPP[0-1] Not used
+	 * MPP[2] GPIO Micon
+	 * MPP[3] GPIO RTC
+	 * MPP[4-5] Not used
+	 * MPP[6] Nand Flash REn
+	 * MPP[7] Nand Flash WEn
+	 * MPP[8-11] Not used
+	 * MPP[12] SATA 0 presence Indication
+	 * MPP[13] SATA 1 presence Indication
+	 * MPP[14] SATA 0 active Indication
+	 * MPP[15] SATA 1 active indication
+	 * MPP[16-19] Not used
+	 */
+	orion_write(MPP_0_7_CTRL, 0x44220003);
+	orion_write(MPP_8_15_CTRL, 0x55550000);
+	orion_write(MPP_16_19_CTRL, 0x0);
+
+	orion_gpio_set_valid_pins(0x0000000c);
+
+	platform_add_devices(kurobox_pro_devices, ARRAY_SIZE(kurobox_pro_devices));
+	i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1);
+	orion_eth_init(&kurobox_pro_eth_data);
+}
+
+MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
+	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
+	.phys_io	= ORION_REGS_BASE,
+	.io_pg_offst	= ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= kurobox_pro_init,
+	.map_io		= orion_map_io,
+	.init_irq	= orion_init_irq,
+	.timer		= &orion_timer,
+MACHINE_END

arch/arm/mach-orion/rd88f5182-setup.c

+/*
+ * arch/arm/mach-orion/rd88f5182-setup.c
+ *
+ * Marvell Orion-NAS Reference Design Setup
+ *
+ * Maintainer: Ronen Shitrit <rshitrit@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/leds.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion.h>
+#include <asm/arch/platform.h>
+#include "common.h"
+
+/*****************************************************************************
+ * RD-88F5182 Info
+ ****************************************************************************/
+
+/*
+ * 512K NOR flash Device bus boot chip select
+ */
+
+#define RD88F5182_NOR_BOOT_BASE		0xf4000000
+#define RD88F5182_NOR_BOOT_SIZE		SZ_512K
+
+/*
+ * 16M NOR flash on Device bus chip select 1
+ */
+
+#define RD88F5182_NOR_BASE		0xfc000000
+#define RD88F5182_NOR_SIZE		SZ_16M
+
+/*
+ * PCI
+ */
+
+#define RD88F5182_PCI_SLOT0_OFFS	7
+#define RD88F5182_PCI_SLOT0_IRQ_A_PIN	7
+#define RD88F5182_PCI_SLOT0_IRQ_B_PIN	6
+
+/*
+ * GPIO Debug LED
+ */
+
+#define RD88F5182_GPIO_DBG_LED		0
+
+/*****************************************************************************
+ * 16M NOR Flash on Device bus CS1
+ ****************************************************************************/
+
+static struct physmap_flash_data rd88f5182_nor_flash_data = {
+	.width		= 1,
+};
+
+static struct resource rd88f5182_nor_flash_resource = {
+	.flags			= IORESOURCE_MEM,
+	.start			= RD88F5182_NOR_BASE,
+	.end			= RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1,
+};
+
+static struct platform_device rd88f5182_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &rd88f5182_nor_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &rd88f5182_nor_flash_resource,
+};
+
+#ifdef CONFIG_LEDS
+
+/*****************************************************************************
+ * Use GPIO debug led as CPU active indication
+ ****************************************************************************/
+
+static void rd88f5182_dbgled_event(led_event_t evt)
+{
+	int val;
+
+	if (evt == led_idle_end)
+		val = 1;
+	else if (evt == led_idle_start)
+		val = 0;
+	else
+		return;
+
+	gpio_set_value(RD88F5182_GPIO_DBG_LED, val);
+}
+
+static int __init rd88f5182_dbgled_init(void)
+{
+	int pin;
+
+	if (machine_is_rd88f5182()) {
+		pin = RD88F5182_GPIO_DBG_LED;
+
+		if (gpio_request(pin, "DBGLED") == 0) {
+			if (gpio_direction_output(pin, 0) != 0) {
+				printk(KERN_ERR "rd88f5182_dbgled_init failed "
+						"to set output pin %d\n", pin);
+				gpio_free(pin);
+				return 0;
+			}
+		} else {
+			printk(KERN_ERR "rd88f5182_dbgled_init failed "
+					"to request gpio %d\n", pin);
+			return 0;
+		}
+
+		leds_event = rd88f5182_dbgled_event;
+	}
+	return 0;
+}
+
+__initcall(rd88f5182_dbgled_init);
+
+#endif
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+void __init rd88f5182_pci_preinit(void)
+{
+	int pin;
+
+	/*
+	 * Configure PCI GPIO IRQ pins
+	 */
+	pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN;
+	if (gpio_request(pin, "PCI IntA") == 0) {
+		if (gpio_direction_input(pin) == 0) {
+			set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+		} else {
+			printk(KERN_ERR "rd88f5182_pci_preinit faield to "
+					"set_irq_type pin %d\n", pin);
+			gpio_free(pin);
+		}
+	} else {
+		printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin);
+	}
+
+	pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN;
+	if (gpio_request(pin, "PCI IntB") == 0) {
+		if (gpio_direction_input(pin) == 0) {
+			set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+		} else {
+			printk(KERN_ERR "rd88f5182_pci_preinit faield to "
+					"set_irq_type pin %d\n", pin);
+			gpio_free(pin);
+		}
+	} else {
+		printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin);
+	}
+}
+
+static int __init rd88f5182_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	/*
+	 * PCI-E isn't used on the RD2
+	 */
+	if (dev->bus->number == orion_pcie_local_bus_nr())
+		return IRQ_ORION_PCIE0_INT;
+
+	/*
+	 * PCI IRQs are connected via GPIOs
+	 */
+	switch (slot - RD88F5182_PCI_SLOT0_OFFS) {
+	case 0:
+		if (pin == 1)
+			return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN);
+		else
+			return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN);
+	default:
+		return -1;
+	}
+}
+
+static struct hw_pci rd88f5182_pci __initdata = {
+	.nr_controllers	= 2,
+	.preinit	= rd88f5182_pci_preinit,
+	.swizzle	= pci_std_swizzle,
+	.setup		= orion_pci_sys_setup,
+	.scan		= orion_pci_sys_scan_bus,
+	.map_irq	= rd88f5182_pci_map_irq,
+};
+
+static int __init rd88f5182_pci_init(void)
+{
+	if (machine_is_rd88f5182())
+		pci_common_init(&rd88f5182_pci);
+
+	return 0;
+}
+
+subsys_initcall(rd88f5182_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data rd88f5182_eth_data = {
+	.phy_addr	= 8,
+	.force_phy_addr = 1,
+};
+
+/*****************************************************************************
+ * RTC DS1338 on I2C bus
+ ****************************************************************************/
+static struct i2c_board_info __initdata rd88f5182_i2c_rtc = {
+	.driver_name	= "rtc-ds1307",
+	.type		= "ds1338",
+	.addr		= 0x68,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct platform_device *rd88f5182_devices[] __initdata = {
+	&rd88f5182_nor_flash,
+};
+
+static void __init rd88f5182_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion_init();
+
+	/*
+	 * Setup the CPU address decode windows for our devices
+	 */
+	orion_setup_cpu_win(ORION_DEV_BOOT, RD88F5182_NOR_BOOT_BASE,
+				RD88F5182_NOR_BOOT_SIZE, -1);
+	orion_setup_cpu_win(ORION_DEV1, RD88F5182_NOR_BASE,
+				RD88F5182_NOR_SIZE, -1);
+
+	/*
+	 * Open a special address decode windows for the PCIE WA.
+	 */
+	orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
+	orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
+		(((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
+
+	/*
+	 * Setup Multiplexing Pins --
+	 * MPP[0] Debug Led (GPIO - Out)
+	 * MPP[1] Debug Led (GPIO - Out)
+	 * MPP[2] N/A
+	 * MPP[3] RTC_Int (GPIO - In)
+	 * MPP[4] GPIO
+	 * MPP[5] GPIO
+	 * MPP[6] PCI_intA (GPIO - In)
+	 * MPP[7] PCI_intB (GPIO - In)
+	 * MPP[8-11] N/A
+	 * MPP[12] SATA 0 presence Indication
+	 * MPP[13] SATA 1 presence Indication
+	 * MPP[14] SATA 0 active Indication
+	 * MPP[15] SATA 1 active indication
+	 * MPP[16-19] Not used
+	 * MPP[20] PCI Clock to MV88F5182
+	 * MPP[21] PCI Clock to mini PCI CON11
+	 * MPP[22] USB 0 over current indication
+	 * MPP[23] USB 1 over current indication
+	 * MPP[24] USB 1 over current enable
+	 * MPP[25] USB 0 over current enable
+	 */
+
+	orion_write(MPP_0_7_CTRL, 0x00000003);
+	orion_write(MPP_8_15_CTRL, 0x55550000);
+	orion_write(MPP_16_19_CTRL, 0x5555);
+
+	orion_gpio_set_valid_pins(0x000000fb);
+
+	platform_add_devices(rd88f5182_devices, ARRAY_SIZE(rd88f5182_devices));
+	i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1);
+	orion_eth_init(&rd88f5182_eth_data);
+}
+
+MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
+	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
+	.phys_io	= ORION_REGS_BASE,
+	.io_pg_offst	= ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= rd88f5182_init,
+	.map_io		= orion_map_io,
+	.init_irq	= orion_init_irq,
+	.timer		= &orion_timer,
+MACHINE_END

arch/arm/mach-orion/time.c

+/*
+ * arch/arm/mach-orion/time.c
+ *
+ * Core time functions for Marvell Orion System On Chip
+ *
+ * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
+ *
+ * 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 <linux/kernel.h>
+#include <linux/clockchips.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <asm/mach/time.h>
+#include <asm/arch/orion.h>
+#include "common.h"
+
+/*
+ * Timer0: clock_event_device, Tick.
+ * Timer1: clocksource, Free running.
+ * WatchDog: Not used.
+ *
+ * Timers are counting down.
+ */
+#define CLOCKEVENT	0
+#define CLOCKSOURCE	1
+
+/*
+ * Timers bits
+ */
+#define BRIDGE_INT_TIMER(x)	(1 << ((x) + 1))
+#define TIMER_EN(x)		(1 << ((x) * 2))
+#define TIMER_RELOAD_EN(x)	(1 << (((x) * 2) + 1))
+#define BRIDGE_INT_TIMER_WD	(1 << 3)
+#define TIMER_WD_EN		(1 << 4)
+#define TIMER_WD_RELOAD_EN	(1 << 5)
+
+static cycle_t orion_clksrc_read(void)
+{
+	return (0xffffffff - orion_read(TIMER_VAL(CLOCKSOURCE)));
+}
+
+static struct clocksource orion_clksrc = {
+	.name		= "orion_clocksource",
+	.shift		= 20,
+	.rating		= 300,
+	.read		= orion_clksrc_read,
+	.mask		= CLOCKSOURCE_MASK(32),
+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static int
+orion_clkevt_next_event(unsigned long delta, struct clock_event_device *dev)
+{
+	unsigned long flags;
+
+	if (delta == 0)
+		return -ETIME;
+
+	local_irq_save(flags);
+
+	/*
+	 * Clear and enable timer interrupt bit
+	 */
+	orion_write(BRIDGE_CAUSE, ~BRIDGE_INT_TIMER(CLOCKEVENT));
+	orion_setbits(BRIDGE_MASK, BRIDGE_INT_TIMER(CLOCKEVENT));
+
+	/*
+	 * Setup new timer value
+	 */
+	orion_write(TIMER_VAL(CLOCKEVENT), delta);
+
+	/*
+	 * Disable auto reload and kickoff the timer
+	 */
+	orion_clrbits(TIMER_CTRL, TIMER_RELOAD_EN(CLOCKEVENT));
+	orion_setbits(TIMER_CTRL, TIMER_EN(CLOCKEVENT));
+
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+static void
+orion_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	if (mode == CLOCK_EVT_MODE_PERIODIC) {
+		/*
+		 * Setup latch cycles in timer and enable reload interrupt.
+		 */
+		orion_write(TIMER_VAL_RELOAD(CLOCKEVENT), LATCH);
+		orion_write(TIMER_VAL(CLOCKEVENT), LATCH);
+		orion_setbits(BRIDGE_MASK, BRIDGE_INT_TIMER(CLOCKEVENT));
+		orion_setbits(TIMER_CTRL, TIMER_RELOAD_EN(CLOCKEVENT) |
+					  TIMER_EN(CLOCKEVENT));
+	} else {
+		/*
+		 * Disable timer and interrupt
+		 */
+		orion_clrbits(BRIDGE_MASK, BRIDGE_INT_TIMER(CLOCKEVENT));
+		orion_write(BRIDGE_CAUSE, ~BRIDGE_INT_TIMER(CLOCKEVENT));
+		orion_clrbits(TIMER_CTRL, TIMER_RELOAD_EN(CLOCKEVENT) |
+					  TIMER_EN(CLOCKEVENT));
+	}
+
+	local_irq_restore(flags);
+}
+
+static struct clock_event_device orion_clkevt = {
+	.name		= "orion_tick",
+	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	.shift		= 32,
+	.rating		= 300,
+	.cpumask	= CPU_MASK_CPU0,
+	.set_next_event	= orion_clkevt_next_event,
+	.set_mode	= orion_clkevt_mode,
+};
+
+static irqreturn_t orion_timer_interrupt(int irq, void *dev_id)
+{
+	/*
+	 * Clear cause bit and do event
+	 */
+	orion_write(BRIDGE_CAUSE, ~BRIDGE_INT_TIMER(CLOCKEVENT));
+	orion_clkevt.event_handler(&orion_clkevt);
+	return IRQ_HANDLED;
+}
+
+static struct irqaction orion_timer_irq = {
+	.name		= "orion_tick",
+	.flags		= IRQF_DISABLED | IRQF_TIMER,
+	.handler	= orion_timer_interrupt
+};
+
+static void orion_timer_init(void)
+{
+	/*
+	 * Setup clocksource free running timer (no interrupt on reload)
+	 */
+	orion_write(TIMER_VAL(CLOCKSOURCE), 0xffffffff);
+	orion_write(TIMER_VAL_RELOAD(CLOCKSOURCE), 0xffffffff);
+	orion_clrbits(BRIDGE_MASK, BRIDGE_INT_TIMER(CLOCKSOURCE));
+	orion_setbits(TIMER_CTRL, TIMER_RELOAD_EN(CLOCKSOURCE) |
+				  TIMER_EN(CLOCKSOURCE));
+
+	/*
+	 * Register clocksource
+	 */
+	orion_clksrc.mult =
+		clocksource_hz2mult(CLOCK_TICK_RATE, orion_clksrc.shift);
+
+	clocksource_register(&orion_clksrc);
+
+	/*
+	 * Connect and enable tick handler
+	 */
+	setup_irq(IRQ_ORION_BRIDGE, &orion_timer_irq);
+
+	/*
+	 * Register clockevent
+	 */
+	orion_clkevt.mult =
+		div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, orion_clkevt.shift);
+	orion_clkevt.max_delta_ns =
+		clockevent_delta2ns(0xfffffffe, &orion_clkevt);
+	orion_clkevt.min_delta_ns =
+		clockevent_delta2ns(1, &orion_clkevt);
+
+	clockevents_register_device(&orion_clkevt);
+}
+
+struct sys_timer orion_timer = {
+	.init = orion_timer_init,
+};

arch/arm/mm/Kconfig

@@ -342,6 +342,27 @@ config CPU_XSC3
 	select CPU_TLB_V4WBI if MMU
 	select IO_36
 
+# Feroceon
+config CPU_FEROCEON
+	bool
+	depends on ARCH_ORION
+	default y
+	select CPU_32v5
+	select CPU_ABRT_EV5T
+	select CPU_CACHE_VIVT
+	select CPU_CP15_MMU
+	select CPU_COPY_V4WB if MMU
+	select CPU_TLB_V4WBI if MMU
+
+config CPU_FEROCEON_OLD_ID
+	bool "Accept early Feroceon cores with an ARM926 ID"
+	depends on CPU_FEROCEON && !CPU_ARM926T
+	default y
+	help
+	  This enables the usage of some old Feroceon cores
+	  for which the CPU ID is equal to the ARM926 ID.
+	  Relevant for Feroceon-1850 and early Feroceon-2850.
+
 # ARMv6
 config CPU_V6
 	bool "Support ARM V6 processor"
@@ -539,7 +560,7 @@ comment "Processor Features"
 
 config ARM_THUMB
 	bool "Support Thumb user binaries"
-	depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6 || CPU_V7
+	depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6 || CPU_V7 || CPU_FEROCEON
 	default y
 	help
 	  Say Y if you want to include kernel support for running user space
@@ -601,7 +622,7 @@ config CPU_DCACHE_SIZE
 
 config CPU_DCACHE_WRITETHROUGH
 	bool "Force write through D-cache"
-	depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020) && !CPU_DCACHE_DISABLE
+	depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_FEROCEON) && !CPU_DCACHE_DISABLE
 	default y if CPU_ARM925T
 	help
 	  Say Y here to use the data cache in writethrough mode. Unless you

arch/arm/mm/Makefile

@@ -68,6 +68,7 @@ obj-$(CONFIG_CPU_SA110)		+= proc-sa110.o
 obj-$(CONFIG_CPU_SA1100)	+= proc-sa1100.o
 obj-$(CONFIG_CPU_XSCALE)	+= proc-xscale.o
 obj-$(CONFIG_CPU_XSC3)		+= proc-xsc3.o
+obj-$(CONFIG_CPU_FEROCEON)	+= proc-feroceon.o
 obj-$(CONFIG_CPU_V6)		+= proc-v6.o
 obj-$(CONFIG_CPU_V7)		+= proc-v7.o
 

arch/powerpc/sysdev/mv64x60_dev.c

@@ -361,12 +361,6 @@ static int __init mv64x60_i2c_device_setup(struct device_node *np, int id)
 	else
 		pdata.timeout = 1000;	/* 1 second */
 
-	prop = of_get_property(np, "retries", NULL);
-	if (prop)
-		pdata.retries = *prop;
-	else
-		pdata.retries = 1;
-
 	pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id);
 	if (!pdev)
 		return -ENOMEM;

arch/ppc/syslib/mv64x60.c

@@ -411,7 +411,6 @@ static struct mv64xxx_i2c_pdata mv64xxx_i2c_pdata = {
 	.freq_m			= 8,
 	.freq_n			= 3,
 	.timeout		= 1000, /* Default timeout of 1 second */
-	.retries		= 1,
 };
 
 static struct resource mv64xxx_i2c_resources[] = {

drivers/i2c/busses/Kconfig

@@ -643,7 +643,7 @@ config I2C_PCA_ISA
 
 config I2C_MV64XXX
 	tristate "Marvell mv64xxx I2C Controller"
-	depends on MV64X60 && EXPERIMENTAL
+	depends on (MV64X60 || ARCH_ORION) && EXPERIMENTAL
 	help
 	  If you say yes to this option, support will be included for the
 	  built-in I2C interface on the Marvell 64xxx line of host bridges.

drivers/i2c/busses/i2c-mv64xxx.c

 /*
- * Driver for the i2c controller on the Marvell line of host bridges for MIPS
- * and PPC (e.g, gt642[46]0, mv643[46]0, mv644[46]0).
+ * Driver for the i2c controller on the Marvell line of host bridges
+ * (e.g, gt642[46]0, mv643[46]0, mv644[46]0, and Orion SoC family).
  *
  * Author: Mark A. Greer <mgreer@mvista.com>
  *
@@ -14,7 +14,7 @@
 #include <linux/spinlock.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
-#include <linux/mv643xx.h>
+#include <linux/mv643xx_i2c.h>
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
@@ -86,6 +86,7 @@ struct mv64xxx_i2c_data {
 	u32			cntl_bits;
 	void __iomem		*reg_base;
 	u32			reg_base_p;
+	u32			reg_size;
 	u32			addr1;
 	u32			addr2;
 	u32			bytes_left;
@@ -463,17 +464,20 @@ static int __devinit
 mv64xxx_i2c_map_regs(struct platform_device *pd,
 	struct mv64xxx_i2c_data *drv_data)
 {
-	struct resource	*r;
+	int size;
+	struct resource	*r = platform_get_resource(pd, IORESOURCE_MEM, 0);
 
-	if ((r = platform_get_resource(pd, IORESOURCE_MEM, 0)) &&
-		request_mem_region(r->start, MV64XXX_I2C_REG_BLOCK_SIZE,
-			drv_data->adapter.name)) {
+	if (!r)
+		return -ENODEV;
+
+	size = r->end - r->start + 1;
+
+	if (!request_mem_region(r->start, size, drv_data->adapter.name))
+		return -EBUSY;
 
-		drv_data->reg_base = ioremap(r->start,
-			MV64XXX_I2C_REG_BLOCK_SIZE);
+	drv_data->reg_base = ioremap(r->start, size);
 	drv_data->reg_base_p = r->start;
-	} else
-		return -ENOMEM;
+	drv_data->reg_size = size;
 
 	return 0;
 }
@@ -483,8 +487,7 @@ mv64xxx_i2c_unmap_regs(struct mv64xxx_i2c_data *drv_data)
 {
 	if (drv_data->reg_base) {
 		iounmap(drv_data->reg_base);
-		release_mem_region(drv_data->reg_base_p,
-			MV64XXX_I2C_REG_BLOCK_SIZE);
+		release_mem_region(drv_data->reg_base_p, drv_data->reg_size);
 	}
 
 	drv_data->reg_base = NULL;
@@ -529,7 +532,6 @@ mv64xxx_i2c_probe(struct platform_device *pd)
 	drv_data->adapter.owner = THIS_MODULE;
 	drv_data->adapter.class = I2C_CLASS_HWMON;
 	drv_data->adapter.timeout = pdata->timeout;
-	drv_data->adapter.retries = pdata->retries;
 	drv_data->adapter.nr = pd->id;
 	platform_set_drvdata(pd, drv_data);
 	i2c_set_adapdata(&drv_data->adapter, drv_data);

include/asm-arm/arch-orion/debug-macro.S

+/*
+ * linux/include/asm-arm/arch-orion/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ * 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.
+*/
+
+	.macro  addruart,rx
+	mov   \rx, #0xf1000000
+	orr   \rx, \rx, #0x00012000
+	.endm
+
+#define UART_SHIFT	2
+#include <asm/hardware/debug-8250.S>

include/asm-arm/arch-orion/dma.h

+/* empty */

include/asm-arm/arch-orion/memory.h

+/*
+ * include/asm-arm/arch-orion/memory.h
+ *
+ * Marvell Orion memory definitions
+ */
+
+#ifndef __ASM_ARCH_MMU_H
+#define __ASM_ARCH_MMU_H
+
+#define PHYS_OFFSET	UL(0x00000000)
+
+#define __virt_to_bus(x)	__virt_to_phys(x)
+#define __bus_to_virt(x)	__phys_to_virt(x)
+
+#endif