[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>

3 files changed, 180 insertions, 0 deletions

diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 0bebf01407cf..4d3ce4dffe26 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/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
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 80196569793e..469e10633234 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/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
diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
new file mode 100644
index 000000000000..aeab55c6a82d
--- /dev/null
+++ b/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