[ARM] Orion: add Linksys WRT350N v2 support

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Tested-by: Dirk Teurlings <dirk@upexia.nl>
Tested-by: Peter van Valderen <p.v.valderen@gmail.com>

arch/arm/mach-orion5x/Kconfig

@@ -50,6 +50,12 @@ config MACH_TS409
 	  Say 'Y' here if you want your kernel to support the
 	  QNAP TS-409 platform.
 
+config MACH_WRT350N_V2
+	bool "Linksys WRT350N v2"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Linksys WRT350N v2 platform.
+
 endmenu
 
 endif

arch/arm/mach-orion5x/Makefile

@@ -6,3 +6,4 @@ obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
 obj-$(CONFIG_MACH_DNS323)	+= dns323-setup.o
 obj-$(CONFIG_MACH_TS209)	+= ts209-setup.o
 obj-$(CONFIG_MACH_TS409)	+= ts409-setup.o
+obj-$(CONFIG_MACH_WRT350N_V2)	+= wrt350n-v2-setup.o

arch/arm/mach-orion5x/wrt350n-v2-setup.c

@@ -0,0 +1,173 @@
+/*
+ * arch/arm/mach-orion5x/wrt350n-v2-setup.c
+ *
+ * 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/delay.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct orion5x_mpp_mode wrt350n_v2_mpp_modes[] __initdata = {
+	{  0, MPP_GPIO },		/* Power LED green (0=on) */
+	{  1, MPP_GPIO },		/* Security LED (0=on) */
+	{  2, MPP_GPIO },		/* Internal Button (0=on) */
+	{  3, MPP_GPIO },		/* Reset Button (0=on) */
+	{  4, MPP_GPIO },		/* PCI int */
+	{  5, MPP_GPIO },		/* Power LED orange (0=on) */
+	{  6, MPP_GPIO },		/* USB LED (0=on) */
+	{  7, MPP_GPIO },		/* Wireless LED (0=on) */
+	{  8, MPP_UNUSED },		/* ??? */
+	{  9, MPP_GIGE },		/* GE_RXERR */
+	{ 10, MPP_UNUSED },		/* ??? */
+	{ 11, MPP_UNUSED },		/* ??? */
+	{ 12, MPP_GIGE },		/* GE_TXD[4] */
+	{ 13, MPP_GIGE },		/* GE_TXD[5] */
+	{ 14, MPP_GIGE },		/* GE_TXD[6] */
+	{ 15, MPP_GIGE },		/* GE_TXD[7] */
+	{ 16, MPP_GIGE },		/* GE_RXD[4] */
+	{ 17, MPP_GIGE },		/* GE_RXD[5] */
+	{ 18, MPP_GIGE },		/* GE_RXD[6] */
+	{ 19, MPP_GIGE },		/* GE_RXD[7] */
+	{ -1 },
+};
+
+/*
+ * 8M NOR flash Device bus boot chip select
+ */
+#define WRT350N_V2_NOR_BOOT_BASE	0xf4000000
+#define WRT350N_V2_NOR_BOOT_SIZE	SZ_8M
+
+static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
+	{
+		.name		= "kernel",
+		.offset		= 0x00000000,
+		.size		= 0x00760000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x001a0000,
+		.size		= 0x005c0000,
+	}, {
+		.name		= "lang",
+		.offset		= 0x00760000,
+		.size		= 0x00040000,
+	}, {
+		.name		= "nvram",
+		.offset		= 0x007a0000,
+		.size		= 0x00020000,
+	}, {
+		.name		= "u-boot",
+		.offset		= 0x007c0000,
+		.size		= 0x00040000,
+	},
+};
+
+static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
+	.width		= 1,
+	.parts		= wrt350n_v2_nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
+};
+
+static struct resource wrt350n_v2_nor_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= WRT350N_V2_NOR_BOOT_BASE,
+	.end		= WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device wrt350n_v2_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &wrt350n_v2_nor_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &wrt350n_v2_nor_flash_resource,
+};
+
+static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
+	.phy_addr	= -1,
+};
+
+static void __init wrt350n_v2_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(wrt350n_v2_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_eth_init(&wrt350n_v2_eth_data);
+	orion5x_uart0_init();
+
+	orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
+				   WRT350N_V2_NOR_BOOT_SIZE);
+	platform_device_register(&wrt350n_v2_nor_flash);
+}
+
+static int __init wrt350n_v2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	int irq;
+
+	/*
+	 * Check for devices with hard-wired IRQs.
+	 */
+	irq = orion5x_pci_map_irq(dev, slot, pin);
+	if (irq != -1)
+		return irq;
+
+	/*
+	 * Mini-PCI slot.
+	 */
+	if (slot == 7)
+		return gpio_to_irq(4);
+
+	return -1;
+}
+
+static struct hw_pci wrt350n_v2_pci __initdata = {
+	.nr_controllers	= 2,
+	.swizzle	= pci_std_swizzle,
+	.setup		= orion5x_pci_sys_setup,
+	.scan		= orion5x_pci_sys_scan_bus,
+	.map_irq	= wrt350n_v2_pci_map_irq,
+};
+
+static int __init wrt350n_v2_pci_init(void)
+{
+	if (machine_is_wrt350n_v2())
+		pci_common_init(&wrt350n_v2_pci);
+
+	return 0;
+}
+subsys_initcall(wrt350n_v2_pci_init);
+
+MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
+	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+	.phys_io	= ORION5X_REGS_PHYS_BASE,
+	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= wrt350n_v2_init,
+	.map_io		= orion5x_map_io,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+MACHINE_END