target/linux/ar71xx/files/arch/mips/ar71xx/mach-wzr-hp-g300nh.c

   1 /*
   2  *  Buffalo WZR-HP-G300NH board support
   3  *
   4  *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/nxp_74hc153.h>
  15 #include <linux/rtl8366.h>
  16
  17 #include <asm/mips_machine.h>
  18 #include <asm/mach-ar71xx/ar71xx.h>
  19 #include <asm/mach-ar71xx/ar91xx_flash.h>
  20
  21 #include "machtype.h"
  22 #include "devices.h"
  23 #include "dev-ar9xxx-wmac.h"
  24 #include "dev-gpio-buttons.h"
  25 #include "dev-leds-gpio.h"
  26 #include "dev-usb.h"
  27
  28 #define WZRHPG300NH_GPIO_LED_USB        0
  29 #define WZRHPG300NH_GPIO_LED_DIAG       1
  30 #define WZRHPG300NH_GPIO_LED_WIRELESS   6
  31 #define WZRHPG300NH_GPIO_LED_SECURITY   17
  32 #define WZRHPG300NH_GPIO_LED_ROUTER     18
  33
  34 #define WZRHPG300NH_GPIO_RTL8366_SDA    19
  35 #define WZRHPG300NH_GPIO_RTL8366_SCK    20
  36
  37 #define WZRHPG300NH_GPIO_74HC153_S0     9
  38 #define WZRHPG300NH_GPIO_74HC153_S1     11
  39 #define WZRHPG300NH_GPIO_74HC153_1Y     12
  40 #define WZRHPG300NH_GPIO_74HC153_2Y     14
  41
  42 #define WZRHPG300NH_GPIO_EXP_BASE       32
  43 #define WZRHPG300NH_GPIO_BTN_AOSS       (WZRHPG300NH_GPIO_EXP_BASE + 0)
  44 #define WZRHPG300NH_GPIO_BTN_RESET      (WZRHPG300NH_GPIO_EXP_BASE + 1)
  45 #define WZRHPG300NH_GPIO_BTN_ROUTER_ON  (WZRHPG300NH_GPIO_EXP_BASE + 2)
  46 #define WZRHPG300NH_GPIO_BTN_QOS_ON     (WZRHPG300NH_GPIO_EXP_BASE + 3)
  47 #define WZRHPG300NH_GPIO_BTN_USB        (WZRHPG300NH_GPIO_EXP_BASE + 5)
  48 #define WZRHPG300NH_GPIO_BTN_ROUTER_AUTO (WZRHPG300NH_GPIO_EXP_BASE + 6)
  49 #define WZRHPG300NH_GPIO_BTN_QOS_OFF    (WZRHPG300NH_GPIO_EXP_BASE + 7)
  50
  51 #define WZRHPG300NH_KEYS_POLL_INTERVAL  20      /* msecs */
  52 #define WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPG300NH_KEYS_POLL_INTERVAL)
  53
  54 #define WZRHPG300NH_MAC_OFFSET          0x20c
  55
  56 #ifdef CONFIG_MTD_PARTITIONS
  57 static struct mtd_partition wzrhpg300nh_flash_partitions[] = {
  58         {
  59                 .name           = "u-boot",
  60                 .offset         = 0,
  61                 .size           = 0x0040000,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         }, {
  64                 .name           = "u-boot-env",
  65                 .offset         = 0x0040000,
  66                 .size           = 0x0020000,
  67                 .mask_flags     = MTD_WRITEABLE,
  68         }, {
  69                 .name           = "kernel",
  70                 .offset         = 0x0060000,
  71                 .size           = 0x0100000,
  72         }, {
  73                 .name           = "rootfs",
  74                 .offset         = 0x0160000,
  75                 .size           = 0x1e60000,
  76         }, {
  77                 .name           = "user_property",
  78                 .offset         = 0x1fc0000,
  79                 .size           = 0x0020000,
  80                 .mask_flags     = MTD_WRITEABLE,
  81         }, {
  82                 .name           = "art",
  83                 .offset         = 0x1fe0000,
  84                 .size           = 0x0020000,
  85                 .mask_flags     = MTD_WRITEABLE,
  86         }, {
  87                 .name           = "firmware",
  88                 .offset         = 0x0060000,
  89                 .size           = 0x1f60000,
  90         }
  91 };
  92 #endif /* CONFIG_MTD_PARTITIONS */
  93
  94 static struct ar91xx_flash_platform_data wzrhpg300nh_flash_data = {
  95         .width          = 2,
  96 #ifdef CONFIG_MTD_PARTITIONS
  97         .parts          = wzrhpg300nh_flash_partitions,
  98         .nr_parts       = ARRAY_SIZE(wzrhpg300nh_flash_partitions),
  99 #endif
 100 };
 101
 102 #define WZRHPG300NH_FLASH_BASE  0x1e000000
 103 #define WZRHPG300NH_FLASH_SIZE  (32 * 1024 * 1024)
 104
 105 static struct resource wzrhpg300nh_flash_resources[] = {
 106         [0] = {
 107                 .start  = WZRHPG300NH_FLASH_BASE,
 108                 .end    = WZRHPG300NH_FLASH_BASE + WZRHPG300NH_FLASH_SIZE - 1,
 109                 .flags  = IORESOURCE_MEM,
 110         },
 111 };
 112
 113 static struct platform_device wzrhpg300nh_flash_device = {
 114         .name           = "ar91xx-flash",
 115         .id             = -1,
 116         .resource       = wzrhpg300nh_flash_resources,
 117         .num_resources  = ARRAY_SIZE(wzrhpg300nh_flash_resources),
 118         .dev            = {
 119                 .platform_data = &wzrhpg300nh_flash_data,
 120         }
 121 };
 122
 123 static struct gpio_led wzrhpg300nh_leds_gpio[] __initdata = {
 124         {
 125                 .name           = "buffalo:orange:security",
 126                 .gpio           = WZRHPG300NH_GPIO_LED_SECURITY,
 127                 .active_low     = 1,
 128         }, {
 129                 .name           = "buffalo:green:wireless",
 130                 .gpio           = WZRHPG300NH_GPIO_LED_WIRELESS,
 131                 .active_low     = 1,
 132         }, {
 133                 .name           = "buffalo:green:router",
 134                 .gpio           = WZRHPG300NH_GPIO_LED_ROUTER,
 135                 .active_low     = 1,
 136         }, {
 137                 .name           = "buffalo:red:diag",
 138                 .gpio           = WZRHPG300NH_GPIO_LED_DIAG,
 139                 .active_low     = 1,
 140         }, {
 141                 .name           = "buffalo:blue:usb",
 142                 .gpio           = WZRHPG300NH_GPIO_LED_USB,
 143                 .active_low     = 1,
 144         }
 145 };
 146
 147 static struct gpio_keys_button wzrhpg300nh_gpio_keys[] __initdata = {
 148         {
 149                 .desc           = "reset",
 150                 .type           = EV_KEY,
 151                 .code           = KEY_RESTART,
 152                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 153                 .gpio           = WZRHPG300NH_GPIO_BTN_RESET,
 154                 .active_low     = 1,
 155         }, {
 156                 .desc           = "aoss",
 157                 .type           = EV_KEY,
 158                 .code           = KEY_WPS_BUTTON,
 159                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 160                 .gpio           = WZRHPG300NH_GPIO_BTN_AOSS,
 161                 .active_low     = 1,
 162         }, {
 163                 .desc           = "usb",
 164                 .type           = EV_KEY,
 165                 .code           = BTN_2,
 166                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 167                 .gpio           = WZRHPG300NH_GPIO_BTN_USB,
 168                 .active_low     = 1,
 169         }, {
 170                 .desc           = "qos_on",
 171                 .type           = EV_KEY,
 172                 .code           = BTN_3,
 173                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 174                 .gpio           = WZRHPG300NH_GPIO_BTN_QOS_ON,
 175                 .active_low     = 0,
 176         }, {
 177                 .desc           = "qos_off",
 178                 .type           = EV_KEY,
 179                 .code           = BTN_4,
 180                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 181                 .gpio           = WZRHPG300NH_GPIO_BTN_QOS_OFF,
 182                 .active_low     = 0,
 183         }, {
 184                 .desc           = "router_on",
 185                 .type           = EV_KEY,
 186                 .code           = BTN_5,
 187                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 188                 .gpio           = WZRHPG300NH_GPIO_BTN_ROUTER_ON,
 189                 .active_low     = 0,
 190         }, {
 191                 .desc           = "router_auto",
 192                 .type           = EV_KEY,
 193                 .code           = BTN_6,
 194                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 195                 .gpio           = WZRHPG300NH_GPIO_BTN_ROUTER_AUTO,
 196                 .active_low     = 0,
 197         }
 198 };
 199
 200 static struct nxp_74hc153_platform_data wzrhpg300nh_74hc153_data = {
 201         .gpio_base      = WZRHPG300NH_GPIO_EXP_BASE,
 202         .gpio_pin_s0    = WZRHPG300NH_GPIO_74HC153_S0,
 203         .gpio_pin_s1    = WZRHPG300NH_GPIO_74HC153_S1,
 204         .gpio_pin_1y    = WZRHPG300NH_GPIO_74HC153_1Y,
 205         .gpio_pin_2y    = WZRHPG300NH_GPIO_74HC153_2Y,
 206 };
 207
 208 static struct platform_device wzrhpg300nh_74hc153_device = {
 209         .name           = NXP_74HC153_DRIVER_NAME,
 210         .id             = -1,
 211         .dev = {
 212                 .platform_data  = &wzrhpg300nh_74hc153_data,
 213         }
 214 };
 215
 216 static struct rtl8366_platform_data wzrhpg300nh_rtl8366_data = {
 217         .gpio_sda       = WZRHPG300NH_GPIO_RTL8366_SDA,
 218         .gpio_sck       = WZRHPG300NH_GPIO_RTL8366_SCK,
 219 };
 220
 221 static struct platform_device wzrhpg300nh_rtl8366s_device = {
 222         .name           = RTL8366S_DRIVER_NAME,
 223         .id             = -1,
 224         .dev = {
 225                 .platform_data  = &wzrhpg300nh_rtl8366_data,
 226         }
 227 };
 228
 229 static struct platform_device wzrhpg300nh_rtl8366rb_device = {
 230         .name           = RTL8366RB_DRIVER_NAME,
 231         .id             = -1,
 232         .dev = {
 233                 .platform_data  = &wzrhpg300nh_rtl8366_data,
 234         }
 235 };
 236
 237 static void __init wzrhpg300nh_setup(void)
 238 {
 239         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 240         u8 *mac = eeprom + WZRHPG300NH_MAC_OFFSET;
 241         bool hasrtl8366rb = false;
 242
 243         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 244         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 245
 246         if (rtl8366_smi_detect(&wzrhpg300nh_rtl8366_data) == RTL8366_TYPE_RB)
 247                 hasrtl8366rb = true;
 248
 249         if (hasrtl8366rb) {
 250                 ar71xx_eth0_pll_data.pll_1000 = 0x1f000000;
 251                 ar71xx_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
 252                 ar71xx_eth1_pll_data.pll_1000 = 0x100;
 253                 ar71xx_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
 254         } else {
 255                 ar71xx_eth0_pll_data.pll_1000 = 0x1e000100;
 256                 ar71xx_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
 257                 ar71xx_eth1_pll_data.pll_1000 = 0x1e000100;
 258                 ar71xx_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
 259         }
 260
 261         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 262         ar71xx_eth0_data.speed = SPEED_1000;
 263         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 264
 265         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 266         ar71xx_eth1_data.phy_mask = 0x10;
 267
 268         ar71xx_add_device_eth(0);
 269         ar71xx_add_device_eth(1);
 270
 271         ar71xx_add_device_usb();
 272         ar9xxx_add_device_wmac(eeprom, NULL);
 273
 274         platform_device_register(&wzrhpg300nh_74hc153_device);
 275         platform_device_register(&wzrhpg300nh_flash_device);
 276
 277         if (hasrtl8366rb)
 278                 platform_device_register(&wzrhpg300nh_rtl8366rb_device);
 279         else
 280                 platform_device_register(&wzrhpg300nh_rtl8366s_device);
 281
 282         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpg300nh_leds_gpio),
 283                                         wzrhpg300nh_leds_gpio);
 284
 285         ar71xx_register_gpio_keys_polled(-1, WZRHPG300NH_KEYS_POLL_INTERVAL,
 286                                          ARRAY_SIZE(wzrhpg300nh_gpio_keys),
 287                                          wzrhpg300nh_gpio_keys);
 288
 289 }
 290
 291 MIPS_MACHINE(AR71XX_MACH_WZR_HP_G300NH, "WZR-HP-G300NH",
 292              "Buffalo WZR-HP-G300NH", wzrhpg300nh_setup);