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           = "firmware",
  68                 .offset         = 0x0060000,
  69                 .size           = 0x1f60000,
  70         }, {
  71                 .name           = "user_property",
  72                 .offset         = 0x1fc0000,
  73                 .size           = 0x0020000,
  74                 .mask_flags     = MTD_WRITEABLE,
  75         }, {
  76                 .name           = "art",
  77                 .offset         = 0x1fe0000,
  78                 .size           = 0x0020000,
  79                 .mask_flags     = MTD_WRITEABLE,
  80         }
  81 };
  82
  83 static struct physmap_flash_data wzrhpg300nh_flash_data = {
  84         .width          = 2,
  85         .parts          = wzrhpg300nh_flash_partitions,
  86         .nr_parts       = ARRAY_SIZE(wzrhpg300nh_flash_partitions),
  87 };
  88
  89 #define WZRHPG300NH_FLASH_BASE  0x1e000000
  90 #define WZRHPG300NH_FLASH_SIZE  (32 * 1024 * 1024)
  91
  92 static struct resource wzrhpg300nh_flash_resources[] = {
  93         [0] = {
  94                 .start  = WZRHPG300NH_FLASH_BASE,
  95                 .end    = WZRHPG300NH_FLASH_BASE + WZRHPG300NH_FLASH_SIZE - 1,
  96                 .flags  = IORESOURCE_MEM,
  97         },
  98 };
  99
 100 static struct platform_device wzrhpg300nh_flash_device = {
 101         .name           = "physmap-flash",
 102         .id             = -1,
 103         .resource       = wzrhpg300nh_flash_resources,
 104         .num_resources  = ARRAY_SIZE(wzrhpg300nh_flash_resources),
 105         .dev            = {
 106                 .platform_data = &wzrhpg300nh_flash_data,
 107         }
 108 };
 109
 110 static struct gpio_led wzrhpg300nh_leds_gpio[] __initdata = {
 111         {
 112                 .name           = "buffalo:orange:security",
 113                 .gpio           = WZRHPG300NH_GPIO_LED_SECURITY,
 114                 .active_low     = 1,
 115         }, {
 116                 .name           = "buffalo:green:wireless",
 117                 .gpio           = WZRHPG300NH_GPIO_LED_WIRELESS,
 118                 .active_low     = 1,
 119         }, {
 120                 .name           = "buffalo:green:router",
 121                 .gpio           = WZRHPG300NH_GPIO_LED_ROUTER,
 122                 .active_low     = 1,
 123         }, {
 124                 .name           = "buffalo:red:diag",
 125                 .gpio           = WZRHPG300NH_GPIO_LED_DIAG,
 126                 .active_low     = 1,
 127         }, {
 128                 .name           = "buffalo:blue:usb",
 129                 .gpio           = WZRHPG300NH_GPIO_LED_USB,
 130                 .active_low     = 1,
 131         }
 132 };
 133
 134 static struct gpio_keys_button wzrhpg300nh_gpio_keys[] __initdata = {
 135         {
 136                 .desc           = "reset",
 137                 .type           = EV_KEY,
 138                 .code           = KEY_RESTART,
 139                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 140                 .gpio           = WZRHPG300NH_GPIO_BTN_RESET,
 141                 .active_low     = 1,
 142         }, {
 143                 .desc           = "aoss",
 144                 .type           = EV_KEY,
 145                 .code           = KEY_WPS_BUTTON,
 146                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 147                 .gpio           = WZRHPG300NH_GPIO_BTN_AOSS,
 148                 .active_low     = 1,
 149         }, {
 150                 .desc           = "usb",
 151                 .type           = EV_KEY,
 152                 .code           = BTN_2,
 153                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 154                 .gpio           = WZRHPG300NH_GPIO_BTN_USB,
 155                 .active_low     = 1,
 156         }, {
 157                 .desc           = "qos_on",
 158                 .type           = EV_KEY,
 159                 .code           = BTN_3,
 160                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 161                 .gpio           = WZRHPG300NH_GPIO_BTN_QOS_ON,
 162                 .active_low     = 0,
 163         }, {
 164                 .desc           = "qos_off",
 165                 .type           = EV_KEY,
 166                 .code           = BTN_4,
 167                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 168                 .gpio           = WZRHPG300NH_GPIO_BTN_QOS_OFF,
 169                 .active_low     = 0,
 170         }, {
 171                 .desc           = "router_on",
 172                 .type           = EV_KEY,
 173                 .code           = BTN_5,
 174                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 175                 .gpio           = WZRHPG300NH_GPIO_BTN_ROUTER_ON,
 176                 .active_low     = 0,
 177         }, {
 178                 .desc           = "router_auto",
 179                 .type           = EV_KEY,
 180                 .code           = BTN_6,
 181                 .debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
 182                 .gpio           = WZRHPG300NH_GPIO_BTN_ROUTER_AUTO,
 183                 .active_low     = 0,
 184         }
 185 };
 186
 187 static struct nxp_74hc153_platform_data wzrhpg300nh_74hc153_data = {
 188         .gpio_base      = WZRHPG300NH_GPIO_EXP_BASE,
 189         .gpio_pin_s0    = WZRHPG300NH_GPIO_74HC153_S0,
 190         .gpio_pin_s1    = WZRHPG300NH_GPIO_74HC153_S1,
 191         .gpio_pin_1y    = WZRHPG300NH_GPIO_74HC153_1Y,
 192         .gpio_pin_2y    = WZRHPG300NH_GPIO_74HC153_2Y,
 193 };
 194
 195 static struct platform_device wzrhpg300nh_74hc153_device = {
 196         .name           = NXP_74HC153_DRIVER_NAME,
 197         .id             = -1,
 198         .dev = {
 199                 .platform_data  = &wzrhpg300nh_74hc153_data,
 200         }
 201 };
 202
 203 static struct rtl8366_platform_data wzrhpg300nh_rtl8366_data = {
 204         .gpio_sda       = WZRHPG300NH_GPIO_RTL8366_SDA,
 205         .gpio_sck       = WZRHPG300NH_GPIO_RTL8366_SCK,
 206 };
 207
 208 static struct platform_device wzrhpg300nh_rtl8366s_device = {
 209         .name           = RTL8366S_DRIVER_NAME,
 210         .id             = -1,
 211         .dev = {
 212                 .platform_data  = &wzrhpg300nh_rtl8366_data,
 213         }
 214 };
 215
 216 static struct platform_device wzrhpg300nh_rtl8366rb_device = {
 217         .name           = RTL8366RB_DRIVER_NAME,
 218         .id             = -1,
 219         .dev = {
 220                 .platform_data  = &wzrhpg300nh_rtl8366_data,
 221         }
 222 };
 223
 224 static void __init wzrhpg300nh_setup(void)
 225 {
 226         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 227         u8 *mac = eeprom + WZRHPG300NH_MAC_OFFSET;
 228         bool hasrtl8366rb = false;
 229
 230         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 231         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
 232
 233         if (rtl8366_smi_detect(&wzrhpg300nh_rtl8366_data) == RTL8366_TYPE_RB)
 234                 hasrtl8366rb = true;
 235
 236         if (hasrtl8366rb) {
 237                 ath79_eth0_pll_data.pll_1000 = 0x1f000000;
 238                 ath79_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
 239                 ath79_eth1_pll_data.pll_1000 = 0x100;
 240                 ath79_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
 241         } else {
 242                 ath79_eth0_pll_data.pll_1000 = 0x1e000100;
 243                 ath79_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
 244                 ath79_eth1_pll_data.pll_1000 = 0x1e000100;
 245                 ath79_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
 246         }
 247
 248         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 249         ath79_eth0_data.speed = SPEED_1000;
 250         ath79_eth0_data.duplex = DUPLEX_FULL;
 251
 252         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 253         ath79_eth1_data.phy_mask = 0x10;
 254
 255         ath79_register_eth(0);
 256         ath79_register_eth(1);
 257
 258         ath79_register_usb();
 259         ath79_register_wmac(eeprom, NULL);
 260
 261         platform_device_register(&wzrhpg300nh_74hc153_device);
 262         platform_device_register(&wzrhpg300nh_flash_device);
 263
 264         if (hasrtl8366rb)
 265                 platform_device_register(&wzrhpg300nh_rtl8366rb_device);
 266         else
 267                 platform_device_register(&wzrhpg300nh_rtl8366s_device);
 268
 269         ath79_register_leds_gpio(-1, ARRAY_SIZE(wzrhpg300nh_leds_gpio),
 270                                         wzrhpg300nh_leds_gpio);
 271
 272         ath79_register_gpio_keys_polled(-1, WZRHPG300NH_KEYS_POLL_INTERVAL,
 273                                          ARRAY_SIZE(wzrhpg300nh_gpio_keys),
 274                                          wzrhpg300nh_gpio_keys);
 275
 276 }
 277
 278 MIPS_MACHINE(ATH79_MACH_WZR_HP_G300NH, "WZR-HP-G300NH",
 279              "Buffalo WZR-HP-G300NH", wzrhpg300nh_setup);