linux/arch/arm/mach-orion5x/wrt350n-v2-setup.c
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   1/*
   2 * arch/arm/mach-orion5x/wrt350n-v2-setup.c
   3 *
   4 * This file is licensed under the terms of the GNU General Public
   5 * License version 2.  This program is licensed "as is" without any
   6 * warranty of any kind, whether express or implied.
   7 */
   8#include <linux/gpio.h>
   9#include <linux/kernel.h>
  10#include <linux/init.h>
  11#include <linux/platform_device.h>
  12#include <linux/pci.h>
  13#include <linux/irq.h>
  14#include <linux/delay.h>
  15#include <linux/mtd/physmap.h>
  16#include <linux/mv643xx_eth.h>
  17#include <linux/ethtool.h>
  18#include <linux/leds.h>
  19#include <linux/gpio_keys.h>
  20#include <linux/input.h>
  21#include <net/dsa.h>
  22#include <asm/mach-types.h>
  23#include <asm/mach/arch.h>
  24#include <asm/mach/pci.h>
  25#include "orion5x.h"
  26#include "common.h"
  27#include "mpp.h"
  28
  29/*
  30 * LEDs attached to GPIO
  31 */
  32static struct gpio_led wrt350n_v2_led_pins[] = {
  33        {
  34                .name           = "wrt350nv2:green:power",
  35                .gpio           = 0,
  36                .active_low     = 1,
  37        }, {
  38                .name           = "wrt350nv2:green:security",
  39                .gpio           = 1,
  40                .active_low     = 1,
  41        }, {
  42                .name           = "wrt350nv2:orange:power",
  43                .gpio           = 5,
  44                .active_low     = 1,
  45        }, {
  46                .name           = "wrt350nv2:green:usb",
  47                .gpio           = 6,
  48                .active_low     = 1,
  49        }, {
  50                .name           = "wrt350nv2:green:wireless",
  51                .gpio           = 7,
  52                .active_low     = 1,
  53        },
  54};
  55
  56static struct gpio_led_platform_data wrt350n_v2_led_data = {
  57        .leds           = wrt350n_v2_led_pins,
  58        .num_leds       = ARRAY_SIZE(wrt350n_v2_led_pins),
  59};
  60
  61static struct platform_device wrt350n_v2_leds = {
  62        .name   = "leds-gpio",
  63        .id     = -1,
  64        .dev    = {
  65                .platform_data  = &wrt350n_v2_led_data,
  66        },
  67};
  68
  69/*
  70 * Buttons attached to GPIO
  71 */
  72static struct gpio_keys_button wrt350n_v2_buttons[] = {
  73        {
  74                .code           = KEY_RESTART,
  75                .gpio           = 3,
  76                .desc           = "Reset Button",
  77                .active_low     = 1,
  78        }, {
  79                .code           = KEY_WPS_BUTTON,
  80                .gpio           = 2,
  81                .desc           = "WPS Button",
  82                .active_low     = 1,
  83        },
  84};
  85
  86static struct gpio_keys_platform_data wrt350n_v2_button_data = {
  87        .buttons        = wrt350n_v2_buttons,
  88        .nbuttons       = ARRAY_SIZE(wrt350n_v2_buttons),
  89};
  90
  91static struct platform_device wrt350n_v2_button_device = {
  92        .name           = "gpio-keys",
  93        .id             = -1,
  94        .num_resources  = 0,
  95        .dev            = {
  96                .platform_data  = &wrt350n_v2_button_data,
  97        },
  98};
  99
 100/*
 101 * General setup
 102 */
 103static unsigned int wrt350n_v2_mpp_modes[] __initdata = {
 104        MPP0_GPIO,              /* Power LED green (0=on) */
 105        MPP1_GPIO,              /* Security LED (0=on) */
 106        MPP2_GPIO,              /* Internal Button (0=on) */
 107        MPP3_GPIO,              /* Reset Button (0=on) */
 108        MPP4_GPIO,              /* PCI int */
 109        MPP5_GPIO,              /* Power LED orange (0=on) */
 110        MPP6_GPIO,              /* USB LED (0=on) */
 111        MPP7_GPIO,              /* Wireless LED (0=on) */
 112        MPP8_UNUSED,            /* ??? */
 113        MPP9_GIGE,              /* GE_RXERR */
 114        MPP10_UNUSED,           /* ??? */
 115        MPP11_UNUSED,           /* ??? */
 116        MPP12_GIGE,             /* GE_TXD[4] */
 117        MPP13_GIGE,             /* GE_TXD[5] */
 118        MPP14_GIGE,             /* GE_TXD[6] */
 119        MPP15_GIGE,             /* GE_TXD[7] */
 120        MPP16_GIGE,             /* GE_RXD[4] */
 121        MPP17_GIGE,             /* GE_RXD[5] */
 122        MPP18_GIGE,             /* GE_RXD[6] */
 123        MPP19_GIGE,             /* GE_RXD[7] */
 124        0,
 125};
 126
 127/*
 128 * 8M NOR flash Device bus boot chip select
 129 */
 130#define WRT350N_V2_NOR_BOOT_BASE        0xf4000000
 131#define WRT350N_V2_NOR_BOOT_SIZE        SZ_8M
 132
 133static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
 134        {
 135                .name           = "kernel",
 136                .offset         = 0x00000000,
 137                .size           = 0x00760000,
 138        }, {
 139                .name           = "rootfs",
 140                .offset         = 0x001a0000,
 141                .size           = 0x005c0000,
 142        }, {
 143                .name           = "lang",
 144                .offset         = 0x00760000,
 145                .size           = 0x00040000,
 146        }, {
 147                .name           = "nvram",
 148                .offset         = 0x007a0000,
 149                .size           = 0x00020000,
 150        }, {
 151                .name           = "u-boot",
 152                .offset         = 0x007c0000,
 153                .size           = 0x00040000,
 154        },
 155};
 156
 157static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
 158        .width          = 1,
 159        .parts          = wrt350n_v2_nor_flash_partitions,
 160        .nr_parts       = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
 161};
 162
 163static struct resource wrt350n_v2_nor_flash_resource = {
 164        .flags          = IORESOURCE_MEM,
 165        .start          = WRT350N_V2_NOR_BOOT_BASE,
 166        .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
 167};
 168
 169static struct platform_device wrt350n_v2_nor_flash = {
 170        .name                   = "physmap-flash",
 171        .id                     = 0,
 172        .dev            = {
 173                .platform_data  = &wrt350n_v2_nor_flash_data,
 174        },
 175        .num_resources          = 1,
 176        .resource               = &wrt350n_v2_nor_flash_resource,
 177};
 178
 179static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
 180        .phy_addr       = MV643XX_ETH_PHY_NONE,
 181        .speed          = SPEED_1000,
 182        .duplex         = DUPLEX_FULL,
 183};
 184
 185static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
 186        .port_names[0]  = "lan2",
 187        .port_names[1]  = "lan1",
 188        .port_names[2]  = "wan",
 189        .port_names[3]  = "cpu",
 190        .port_names[5]  = "lan3",
 191        .port_names[7]  = "lan4",
 192};
 193
 194static void __init wrt350n_v2_init(void)
 195{
 196        /*
 197         * Setup basic Orion functions. Need to be called early.
 198         */
 199        orion5x_init();
 200
 201        orion5x_mpp_conf(wrt350n_v2_mpp_modes);
 202
 203        /*
 204         * Configure peripherals.
 205         */
 206        orion5x_ehci0_init();
 207        orion5x_eth_init(&wrt350n_v2_eth_data);
 208        orion5x_eth_switch_init(&wrt350n_v2_switch_chip_data);
 209        orion5x_uart0_init();
 210
 211        mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 212                                    ORION_MBUS_DEVBUS_BOOT_ATTR,
 213                                    WRT350N_V2_NOR_BOOT_BASE,
 214                                    WRT350N_V2_NOR_BOOT_SIZE);
 215        platform_device_register(&wrt350n_v2_nor_flash);
 216        platform_device_register(&wrt350n_v2_leds);
 217        platform_device_register(&wrt350n_v2_button_device);
 218}
 219
 220static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot,
 221        u8 pin)
 222{
 223        int irq;
 224
 225        /*
 226         * Check for devices with hard-wired IRQs.
 227         */
 228        irq = orion5x_pci_map_irq(dev, slot, pin);
 229        if (irq != -1)
 230                return irq;
 231
 232        /*
 233         * Mini-PCI slot.
 234         */
 235        if (slot == 7)
 236                return gpio_to_irq(4);
 237
 238        return -1;
 239}
 240
 241static struct hw_pci wrt350n_v2_pci __initdata = {
 242        .nr_controllers = 2,
 243        .setup          = orion5x_pci_sys_setup,
 244        .scan           = orion5x_pci_sys_scan_bus,
 245        .map_irq        = wrt350n_v2_pci_map_irq,
 246};
 247
 248static int __init wrt350n_v2_pci_init(void)
 249{
 250        if (machine_is_wrt350n_v2())
 251                pci_common_init(&wrt350n_v2_pci);
 252
 253        return 0;
 254}
 255subsys_initcall(wrt350n_v2_pci_init);
 256
 257MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
 258        /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 259        .atag_offset    = 0x100,
 260        .nr_irqs        = ORION5X_NR_IRQS,
 261        .init_machine   = wrt350n_v2_init,
 262        .map_io         = orion5x_map_io,
 263        .init_early     = orion5x_init_early,
 264        .init_irq       = orion5x_init_irq,
 265        .init_time      = orion5x_timer_init,
 266        .fixup          = tag_fixup_mem32,
 267        .restart        = orion5x_restart,
 268MACHINE_END
 269