target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g300nh.c

   1 /*
   2  *  Buffalo WZR-HP-G300NH board support
   3  *
   4  *  Copyright (C) 2010-2012 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/mtd/physmap.h>
  15 #include <linux/nxp_74hc153.h>
  16 #include <linux/rtl8366.h>
  17
  18 #include <asm/mach-ath79/ath79.h>
  19
  20 #include "dev-eth.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-usb.h"
  24 #include "dev-wmac.h"
  25 #include "machtypes.h"
  26
  27 #define WZRHPG300NH_GPIO_LED_USB        0
  28 #define WZRHPG300NH_GPIO_LED_DIAG       1
  29 #define WZRHPG300NH_GPIO_LED_WIRELESS   6
  30 #define WZRHPG300NH_GPIO_LED_SECURITY   17
  31 #define WZRHPG300NH_GPIO_LED_ROUTER     18
  32
  33 #define WZRHPG300NH_GPIO_RTL8366_SDA    19
  34 #define WZRHPG300NH_GPIO_RTL8366_SCK    20
  35
  36 #define WZRHPG300NH_GPIO_74HC153_S0     9
  37 #define WZRHPG300NH_GPIO_74HC153_S1     11
  38 #define WZRHPG300NH_GPIO_74HC153_1Y     12
  39 #define WZRHPG300NH_GPIO_74HC153_2Y     14
  40
  41 #define WZRHPG300NH_GPIO_EXP_BASE       32
  42 #define WZRHPG300NH_GPIO_BTN_AOSS       (WZRHPG300NH_GPIO_EXP_BASE + 0)
  43 #define WZRHPG300NH_GPIO_BTN_RESET      (WZRHPG300NH_GPIO_EXP_BASE + 1)
  44 #define WZRHPG300NH_GPIO_BTN_ROUTER_ON  (WZRHPG300NH_GPIO_EXP_BASE + 2)
  45 #define WZRHPG300NH_GPIO_BTN_QOS_ON     (WZRHPG300NH_GPIO_EXP_BASE + 3)
  46 #define WZRHPG300NH_GPIO_BTN_USB        (WZRHPG300NH_GPIO_EXP_BASE + 5)
  47 #define WZRHPG300NH_GPIO_BTN_ROUTER_AUTO (WZRHPG300NH_GPIO_EXP_BASE + 6)
  48 #define WZRHPG300NH_GPIO_BTN_QOS_OFF    (WZRHPG300NH_GPIO_EXP_BASE + 7)
  49
  50 #define WZRHPG300NH_KEYS_POLL_INTERVAL  20      /* msecs */
  51 #define WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPG300NH_KEYS_POLL_INTERVAL)
  52
  53 #define WZRHPG300NH_MAC_OFFSET          0x20c
  54
  55 static struct mtd_partition wzrhpg300nh_flash_partitions[] = {
  56         {
  57                 .name           = "u-boot",
  58                 .offset         = 0,
  59                 .size           = 0x0040000,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         }, {
  62                 .name           = "u-boot-env",
  63                 .offset         = 0x0040000,
  64                 .size           = 0x0020000,
  65                 .mask_flags     = MTD_WRITEABLE,
  66         }, {
  67                 .name           = "kernel",
  68                 .offset         = 0x0060000,
  69                 .size           = 0x0100000,
  70         }, {
  71                 .name           = "rootfs",
  72                 .offset         = 0x0160000,
  73                 .size           = 0x1e60000,
  74         }, {
  75                 .name           = "user_property",
  76                 .offset         = 0x1fc0000,
  77                 .size           = 0x0020000,
  78                 .mask_flags     = MTD_WRITEABLE,
  79         }, {
  80                 .name           = "art",
  81                 .offset         = 0x1fe0000,
  82                 .size           = 0x0020000,
  83                 .mask_flags     = MTD_WRITEABLE,
  84         }, {
  85                 .name           = "firmware",
  86                 .offset         = 0x0060000,
  87                 .size           = 0x1f60000,
  88         }
  89 };
  90
  91 static struct physmap_flash_data wzrhpg300nh_flash_data = {
  92         .width          = 2,
  93         .parts          = wzrhpg300nh_flash_partitions,
  94         .nr_parts       = ARRAY_SIZE(wzrhpg300nh_flash_partitions),
  95 };
  96
  97 #define WZRHPG300NH_FLASH_BASE  0x1e000000
  98 #define WZRHPG300NH_FLASH_SIZE  (32 * 1024 * 1024)
  99
 100 static struct resource wzrhpg300nh_flash_resources[] = {
 101         [0] = {
 102                 .start  = WZRHPG300NH_FLASH_BASE,
 103                 .end    = WZRHPG300NH_FLASH_BASE + WZRHPG300NH_FLASH_SIZE - 1,
 104                 .flags  = IORESOURCE_MEM,
 105         },
 106 };
 107
 108 static struct platform_device wzrhpg300nh_flash_device = {
 109         .name           = "physmap-flash",
 110         .id             = -1,
 111         .resource       = wzrhpg300nh_flash_resources,
 112         .num_resources  = ARRAY_SIZE(wzrhpg300nh_flash_resources),
 113         .dev            = {
 114                 .platform_data = &wzrhpg300nh_flash_data,
 115         }
 116 };
 117
 118 static struct gpio_led wzrhpg300nh_leds_gpio[] __initdata = {
 119         {
 120                 .name           = "buffalo:orange:security",
 121                 .gpio           = WZRHPG300NH_GPIO_LED_SECURITY,
 122                 .active_low     = 1,
 123         }, {
 124                 .name           = "buffalo:green:wireless",
 125                 .gpio           = WZRHPG300NH_GPIO_LED_WIRELESS,
 126                 .active_low     = 1,
 127         }, {
 128                 .name           = "buffalo:green:router",
 129                 .gpio           = WZRHPG300NH_GPIO_LED_ROUTER,
 130                 .active_low     = 1,
 131         }, {
 132                 .name           = "buffalo:red:diag",
 133                 .gpio           = WZRHPG300NH_GPIO_LED_DIAG,
 134                 .active_low     = 1,
 135         }, {
 136                 .name           = "buffalo:blue:usb",
 137                 .gpio           = WZRHPG300NH_GPIO_LED_USB,
 138                 .active_low     = 1,
 139         }
 140 };
 141
 142 static struct gpio_keys_button wzrhpg300nh_gpio_keys[] __initdata = {
 143         {
 144                 .desc           = "reset",
 145                 .type           = EV_KEY,
 146                 .code           = KEY_RESTART,
 147                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 148                 .gpio           = WZRHPG300NH_GPIO_BTN_RESET,
 149                 .active_low     = 1,
 150         }, {
 151                 .desc           = "aoss",
 152                 .type           = EV_KEY,
 153                 .code           = KEY_WPS_BUTTON,
 154                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 155                 .gpio           = WZRHPG300NH_GPIO_BTN_AOSS,
 156                 .active_low     = 1,
 157         }, {
 158                 .desc           = "usb",
 159                 .type           = EV_KEY,
 160                 .code           = BTN_2,
 161                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 162                 .gpio           = WZRHPG300NH_GPIO_BTN_USB,
 163                 .active_low     = 1,
 164         }, {
 165                 .desc           = "qos_on",
 166                 .type           = EV_KEY,
 167                 .code           = BTN_3,
 168                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 169                 .gpio           = WZRHPG300NH_GPIO_BTN_QOS_ON,
 170                 .active_low     = 0,
 171         }, {
 172                 .desc           = "qos_off",
 173                 .type           = EV_KEY,
 174                 .code           = BTN_4,
 175                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 176                 .gpio           = WZRHPG300NH_GPIO_BTN_QOS_OFF,
 177                 .active_low     = 0,
 178         }, {
 179                 .desc           = "router_on",
 180                 .type           = EV_KEY,
 181                 .code           = BTN_5,
 182                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 183                 .gpio           = WZRHPG300NH_GPIO_BTN_ROUTER_ON,
 184                 .active_low     = 0,
 185         }, {
 186                 .desc           = "router_auto",
 187                 .type           = EV_KEY,
 188                 .code           = BTN_6,
 189                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 190                 .gpio           = WZRHPG300NH_GPIO_BTN_ROUTER_AUTO,
 191                 .active_low     = 0,
 192         }
 193 };
 194
 195 static struct nxp_74hc153_platform_data wzrhpg300nh_74hc153_data = {
 196         .gpio_base      = WZRHPG300NH_GPIO_EXP_BASE,
 197         .gpio_pin_s0    = WZRHPG300NH_GPIO_74HC153_S0,
 198         .gpio_pin_s1    = WZRHPG300NH_GPIO_74HC153_S1,
 199         .gpio_pin_1y    = WZRHPG300NH_GPIO_74HC153_1Y,
 200         .gpio_pin_2y    = WZRHPG300NH_GPIO_74HC153_2Y,
 201 };
 202
 203 static struct platform_device wzrhpg300nh_74hc153_device = {
 204         .name           = NXP_74HC153_DRIVER_NAME,
 205         .id             = -1,
 206         .dev = {
 207                 .platform_data  = &wzrhpg300nh_74hc153_data,
 208         }
 209 };
 210
 211 static struct rtl8366_platform_data wzrhpg300nh_rtl8366_data = {
 212         .gpio_sda       = WZRHPG300NH_GPIO_RTL8366_SDA,
 213         .gpio_sck       = WZRHPG300NH_GPIO_RTL8366_SCK,
 214 };
 215
 216 static struct platform_device wzrhpg300nh_rtl8366s_device = {
 217         .name           = RTL8366S_DRIVER_NAME,
 218         .id             = -1,
 219         .dev = {
 220                 .platform_data  = &wzrhpg300nh_rtl8366_data,
 221         }
 222 };
 223
 224 static struct platform_device wzrhpg300nh_rtl8366rb_device = {
 225         .name           = RTL8366RB_DRIVER_NAME,
 226         .id             = -1,
 227         .dev = {
 228                 .platform_data  = &wzrhpg300nh_rtl8366_data,
 229         }
 230 };
 231
 232 static void __init wzrhpg300nh_setup(void)
 233 {
 234         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 235         u8 *mac = eeprom + WZRHPG300NH_MAC_OFFSET;
 236         bool hasrtl8366rb = false;
 237
 238         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 239         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
 240
 241         if (rtl8366_smi_detect(&wzrhpg300nh_rtl8366_data) == RTL8366_TYPE_RB)
 242                 hasrtl8366rb = true;
 243
 244         if (hasrtl8366rb) {
 245                 ath79_eth0_pll_data.pll_1000 = 0x1f000000;
 246                 ath79_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
 247                 ath79_eth1_pll_data.pll_1000 = 0x100;
 248                 ath79_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
 249         } else {
 250                 ath79_eth0_pll_data.pll_1000 = 0x1e000100;
 251                 ath79_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
 252                 ath79_eth1_pll_data.pll_1000 = 0x1e000100;
 253                 ath79_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
 254         }
 255
 256         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 257         ath79_eth0_data.speed = SPEED_1000;
 258         ath79_eth0_data.duplex = DUPLEX_FULL;
 259
 260         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 261         ath79_eth1_data.phy_mask = 0x10;
 262
 263         ath79_register_eth(0);
 264         ath79_register_eth(1);
 265
 266         ath79_register_usb();
 267         ath79_register_wmac(eeprom, NULL);
 268
 269         platform_device_register(&wzrhpg300nh_74hc153_device);
 270         platform_device_register(&wzrhpg300nh_flash_device);
 271
 272         if (hasrtl8366rb)
 273                 platform_device_register(&wzrhpg300nh_rtl8366rb_device);
 274         else
 275                 platform_device_register(&wzrhpg300nh_rtl8366s_device);
 276
 277         ath79_register_leds_gpio(-1, ARRAY_SIZE(wzrhpg300nh_leds_gpio),
 278                                         wzrhpg300nh_leds_gpio);
 279
 280         ath79_register_gpio_keys_polled(-1, WZRHPG300NH_KEYS_POLL_INTERVAL,
 281                                          ARRAY_SIZE(wzrhpg300nh_gpio_keys),
 282                                          wzrhpg300nh_gpio_keys);
 283
 284 }
 285
 286 MIPS_MACHINE(ATH79_MACH_WZR_HP_G300NH, "WZR-HP-G300NH",
 287              "Buffalo WZR-HP-G300NH", wzrhpg300nh_setup);