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 #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  */
  32 static 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
  56 static 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
  61 static 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  */
  72 static 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
  86 static struct gpio_keys_platform_data wrt350n_v2_button_data = {
  87         .buttons        = wrt350n_v2_buttons,
  88         .nbuttons       = ARRAY_SIZE(wrt350n_v2_buttons),
  89 };
  90
  91 static 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  */
 103 static 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
 133 static 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
 157 static 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
 163 static 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
 169 static 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
 179 static 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
 185 static 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
 194 static 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
 220 static 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
 241 static 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
 248 static 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 }
 255 subsys_initcall(wrt350n_v2_pci_init);
 256
 257 MACHINE_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,
 268 MACHINE_END