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

   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
   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/gpio.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/pci.h>
  26 #include <mach/orion5x.h>
  27 #include "common.h"
  28 #include "mpp.h"
  29
  30 /*
  31  * LEDs attached to GPIO
  32  */
  33 static struct gpio_led wrt350n_v2_led_pins[] = {
  34         {
  35                 .name           = "wrt350nv2:green:power",
  36                 .gpio           = 0,
  37                 .active_low     = 1,
  38         }, {
  39                 .name           = "wrt350nv2:green:security",
  40                 .gpio           = 1,
  41                 .active_low     = 1,
  42         }, {
  43                 .name           = "wrt350nv2:orange:power",
  44                 .gpio           = 5,
  45                 .active_low     = 1,
  46         }, {
  47                 .name           = "wrt350nv2:green:usb",
  48                 .gpio           = 6,
  49                 .active_low     = 1,
  50         }, {
  51                 .name           = "wrt350nv2:green:wireless",
  52                 .gpio           = 7,
  53                 .active_low     = 1,
  54         },
  55 };
  56
  57 static struct gpio_led_platform_data wrt350n_v2_led_data = {
  58         .leds           = wrt350n_v2_led_pins,
  59         .num_leds       = ARRAY_SIZE(wrt350n_v2_led_pins),
  60 };
  61
  62 static struct platform_device wrt350n_v2_leds = {
  63         .name   = "leds-gpio",
  64         .id     = -1,
  65         .dev    = {
  66                 .platform_data  = &wrt350n_v2_led_data,
  67         },
  68 };
  69
  70 /*
  71  * Buttons attached to GPIO
  72  */
  73 static struct gpio_keys_button wrt350n_v2_buttons[] = {
  74         {
  75                 .code           = KEY_RESTART,
  76                 .gpio           = 3,
  77                 .desc           = "Reset Button",
  78                 .active_low     = 1,
  79         }, {
  80                 .code           = KEY_WPS_BUTTON,
  81                 .gpio           = 2,
  82                 .desc           = "WPS Button",
  83                 .active_low     = 1,
  84         },
  85 };
  86
  87 static struct gpio_keys_platform_data wrt350n_v2_button_data = {
  88         .buttons        = wrt350n_v2_buttons,
  89         .nbuttons       = ARRAY_SIZE(wrt350n_v2_buttons),
  90 };
  91
  92 static struct platform_device wrt350n_v2_button_device = {
  93         .name           = "gpio-keys",
  94         .id             = -1,
  95         .num_resources  = 0,
  96         .dev            = {
  97                 .platform_data  = &wrt350n_v2_button_data,
  98         },
  99 };
 100
 101 /*
 102  * General setup
 103  */
 104 static unsigned int wrt350n_v2_mpp_modes[] __initdata = {
 105         MPP0_GPIO,              /* Power LED green (0=on) */
 106         MPP1_GPIO,              /* Security LED (0=on) */
 107         MPP2_GPIO,              /* Internal Button (0=on) */
 108         MPP3_GPIO,              /* Reset Button (0=on) */
 109         MPP4_GPIO,              /* PCI int */
 110         MPP5_GPIO,              /* Power LED orange (0=on) */
 111         MPP6_GPIO,              /* USB LED (0=on) */
 112         MPP7_GPIO,              /* Wireless LED (0=on) */
 113         MPP8_UNUSED,            /* ??? */
 114         MPP9_GIGE,              /* GE_RXERR */
 115         MPP10_UNUSED,           /* ??? */
 116         MPP11_UNUSED,           /* ??? */
 117         MPP12_GIGE,             /* GE_TXD[4] */
 118         MPP13_GIGE,             /* GE_TXD[5] */
 119         MPP14_GIGE,             /* GE_TXD[6] */
 120         MPP15_GIGE,             /* GE_TXD[7] */
 121         MPP16_GIGE,             /* GE_RXD[4] */
 122         MPP17_GIGE,             /* GE_RXD[5] */
 123         MPP18_GIGE,             /* GE_RXD[6] */
 124         MPP19_GIGE,             /* GE_RXD[7] */
 125         0,
 126 };
 127
 128 /*
 129  * 8M NOR flash Device bus boot chip select
 130  */
 131 #define WRT350N_V2_NOR_BOOT_BASE        0xf4000000
 132 #define WRT350N_V2_NOR_BOOT_SIZE        SZ_8M
 133
 134 static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
 135         {
 136                 .name           = "kernel",
 137                 .offset         = 0x00000000,
 138                 .size           = 0x00760000,
 139         }, {
 140                 .name           = "rootfs",
 141                 .offset         = 0x001a0000,
 142                 .size           = 0x005c0000,
 143         }, {
 144                 .name           = "lang",
 145                 .offset         = 0x00760000,
 146                 .size           = 0x00040000,
 147         }, {
 148                 .name           = "nvram",
 149                 .offset         = 0x007a0000,
 150                 .size           = 0x00020000,
 151         }, {
 152                 .name           = "u-boot",
 153                 .offset         = 0x007c0000,
 154                 .size           = 0x00040000,
 155         },
 156 };
 157
 158 static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
 159         .width          = 1,
 160         .parts          = wrt350n_v2_nor_flash_partitions,
 161         .nr_parts       = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
 162 };
 163
 164 static struct resource wrt350n_v2_nor_flash_resource = {
 165         .flags          = IORESOURCE_MEM,
 166         .start          = WRT350N_V2_NOR_BOOT_BASE,
 167         .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
 168 };
 169
 170 static struct platform_device wrt350n_v2_nor_flash = {
 171         .name                   = "physmap-flash",
 172         .id                     = 0,
 173         .dev            = {
 174                 .platform_data  = &wrt350n_v2_nor_flash_data,
 175         },
 176         .num_resources          = 1,
 177         .resource               = &wrt350n_v2_nor_flash_resource,
 178 };
 179
 180 static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
 181         .phy_addr       = MV643XX_ETH_PHY_NONE,
 182         .speed          = SPEED_1000,
 183         .duplex         = DUPLEX_FULL,
 184 };
 185
 186 static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
 187         .port_names[0]  = "lan2",
 188         .port_names[1]  = "lan1",
 189         .port_names[2]  = "wan",
 190         .port_names[3]  = "cpu",
 191         .port_names[5]  = "lan3",
 192         .port_names[7]  = "lan4",
 193 };
 194
 195 static struct dsa_platform_data wrt350n_v2_switch_plat_data = {
 196         .nr_chips       = 1,
 197         .chip           = &wrt350n_v2_switch_chip_data,
 198 };
 199
 200 static void __init wrt350n_v2_init(void)
 201 {
 202         /*
 203          * Setup basic Orion functions. Need to be called early.
 204          */
 205         orion5x_init();
 206
 207         orion5x_mpp_conf(wrt350n_v2_mpp_modes);
 208
 209         /*
 210          * Configure peripherals.
 211          */
 212         orion5x_ehci0_init();
 213         orion5x_eth_init(&wrt350n_v2_eth_data);
 214         orion5x_eth_switch_init(&wrt350n_v2_switch_plat_data, NO_IRQ);
 215         orion5x_uart0_init();
 216
 217         orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
 218                                    WRT350N_V2_NOR_BOOT_SIZE);
 219         platform_device_register(&wrt350n_v2_nor_flash);
 220         platform_device_register(&wrt350n_v2_leds);
 221         platform_device_register(&wrt350n_v2_button_device);
 222 }
 223
 224 static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot,
 225         u8 pin)
 226 {
 227         int irq;
 228
 229         /*
 230          * Check for devices with hard-wired IRQs.
 231          */
 232         irq = orion5x_pci_map_irq(dev, slot, pin);
 233         if (irq != -1)
 234                 return irq;
 235
 236         /*
 237          * Mini-PCI slot.
 238          */
 239         if (slot == 7)
 240                 return gpio_to_irq(4);
 241
 242         return -1;
 243 }
 244
 245 static struct hw_pci wrt350n_v2_pci __initdata = {
 246         .nr_controllers = 2,
 247         .swizzle        = pci_std_swizzle,
 248         .setup          = orion5x_pci_sys_setup,
 249         .scan           = orion5x_pci_sys_scan_bus,
 250         .map_irq        = wrt350n_v2_pci_map_irq,
 251 };
 252
 253 static int __init wrt350n_v2_pci_init(void)
 254 {
 255         if (machine_is_wrt350n_v2())
 256                 pci_common_init(&wrt350n_v2_pci);
 257
 258         return 0;
 259 }
 260 subsys_initcall(wrt350n_v2_pci_init);
 261
 262 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
 263         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 264         .atag_offset    = 0x100,
 265         .init_machine   = wrt350n_v2_init,
 266         .map_io         = orion5x_map_io,
 267         .init_early     = orion5x_init_early,
 268         .init_irq       = orion5x_init_irq,
 269         .timer          = &orion5x_timer,
 270         .fixup          = tag_fixup_mem32,
 271 MACHINE_END