target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap121.c

   1 /*
   2  *  Atheros AP121 board support
   3  *
   4  *  Copyright (C) 2011 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/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/spi/flash.h>
  14
  15 #include "machtype.h"
  16 #include "devices.h"
  17 #include "dev-ar9xxx-wmac.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-usb.h"
  22
  23 #define AP121_GPIO_LED_WLAN             0
  24 #define AP121_GPIO_LED_USB              1
  25
  26 #define AP121_GPIO_BTN_JUMPSTART        11
  27 #define AP121_GPIO_BTN_RESET            12
  28
  29 #define AP121_KEYS_POLL_INTERVAL        20      /* msecs */
  30 #define AP121_KEYS_DEBOUNCE_INTERVAL    (3 * AP121_KEYS_POLL_INTERVAL)
  31
  32 #define AP121_MAC0_OFFSET       0x0000
  33 #define AP121_MAC1_OFFSET       0x0006
  34 #define AP121_CALDATA_OFFSET    0x1000
  35 #define AP121_WMAC_MAC_OFFSET   0x1002
  36
  37 #define AP121_MINI_GPIO_LED_WLAN        0
  38 #define AP121_MINI_GPIO_BTN_JUMPSTART   12
  39 #define AP121_MINI_GPIO_BTN_RESET       11
  40
  41 #ifdef CONFIG_MTD_PARTITIONS
  42 static struct mtd_partition ap121_parts[] = {
  43         {
  44                 .name           = "u-boot",
  45                 .offset         = 0,
  46                 .size           = 0x010000,
  47                 .mask_flags     = MTD_WRITEABLE,
  48         },
  49         {
  50                 .name           = "rootfs",
  51                 .offset         = 0x010000,
  52                 .size           = 0x130000,
  53         },
  54         {
  55                 .name           = "uImage",
  56                 .offset         = 0x140000,
  57                 .size           = 0x0a0000,
  58         },
  59         {
  60                 .name           = "NVRAM",
  61                 .offset         = 0x1e0000,
  62                 .size           = 0x010000,
  63         },
  64         {
  65                 .name           = "ART",
  66                 .offset         = 0x1f0000,
  67                 .size           = 0x010000,
  68                 .mask_flags     = MTD_WRITEABLE,
  69         },
  70 };
  71 #define ap121_nr_parts          ARRAY_SIZE(ap121_parts)
  72
  73 static struct mtd_partition ap121_mini_parts[] = {
  74         {
  75                 .name           = "u-boot",
  76                 .offset         = 0,
  77                 .size           = 0x040000,
  78                 .mask_flags     = MTD_WRITEABLE,
  79         },
  80         {
  81                 .name           = "u-boot-env",
  82                 .offset         = 0x040000,
  83                 .size           = 0x010000,
  84                 .mask_flags     = MTD_WRITEABLE,
  85         },
  86         {
  87                 .name           = "rootfs",
  88                 .offset         = 0x050000,
  89                 .size           = 0x2b0000,
  90         },
  91         {
  92                 .name           = "uImage",
  93                 .offset         = 0x300000,
  94                 .size           = 0x0e0000,
  95         },
  96         {
  97                 .name           = "NVRAM",
  98                 .offset         = 0x3e0000,
  99                 .size           = 0x010000,
 100         },
 101         {
 102                 .name           = "ART",
 103                 .offset         = 0x3f0000,
 104                 .size           = 0x010000,
 105                 .mask_flags     = MTD_WRITEABLE,
 106         },
 107 };
 108
 109 #define ap121_mini_nr_parts     ARRAY_SIZE(ap121_parts)
 110
 111 #else
 112 #define ap121_parts             NULL
 113 #define ap121_nr_parts          0
 114 #define ap121_mini_parts        NULL
 115 #define ap121_mini_nr_parts     0
 116 #endif /* CONFIG_MTD_PARTITIONS */
 117
 118 static struct flash_platform_data ap121_flash_data = {
 119         .parts          = ap121_parts,
 120         .nr_parts       = ap121_nr_parts,
 121 };
 122
 123 static struct gpio_led ap121_leds_gpio[] __initdata = {
 124         {
 125                 .name           = "ap121:green:usb",
 126                 .gpio           = AP121_GPIO_LED_USB,
 127                 .active_low     = 0,
 128         },
 129         {
 130                 .name           = "ap121:green:wlan",
 131                 .gpio           = AP121_GPIO_LED_WLAN,
 132                 .active_low     = 0,
 133         },
 134 };
 135
 136 static struct gpio_keys_button ap121_gpio_keys[] __initdata = {
 137         {
 138                 .desc           = "jumpstart button",
 139                 .type           = EV_KEY,
 140                 .code           = KEY_WPS_BUTTON,
 141                 .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
 142                 .gpio           = AP121_GPIO_BTN_JUMPSTART,
 143                 .active_low     = 1,
 144         },
 145         {
 146                 .desc           = "reset button",
 147                 .type           = EV_KEY,
 148                 .code           = KEY_RESTART,
 149                 .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
 150                 .gpio           = AP121_GPIO_BTN_RESET,
 151                 .active_low     = 1,
 152         }
 153 };
 154
 155 static struct gpio_led ap121_mini_leds_gpio[] __initdata = {
 156         {
 157                 .name           = "ap121:green:wlan",
 158                 .gpio           = AP121_MINI_GPIO_LED_WLAN,
 159                 .active_low     = 0,
 160         },
 161 };
 162
 163 static struct gpio_keys_button ap121_mini_gpio_keys[] __initdata = {
 164         {
 165                 .desc           = "jumpstart button",
 166                 .type           = EV_KEY,
 167                 .code           = KEY_WPS_BUTTON,
 168                 .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
 169                 .gpio           = AP121_MINI_GPIO_BTN_JUMPSTART,
 170                 .active_low     = 1,
 171         },
 172         {
 173                 .desc           = "reset button",
 174                 .type           = EV_KEY,
 175                 .code           = KEY_RESTART,
 176                 .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
 177                 .gpio           = AP121_MINI_GPIO_BTN_RESET,
 178                 .active_low     = 1,
 179         }
 180 };
 181
 182 static void __init ap121_common_setup(void)
 183 {
 184         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 185
 186         ar71xx_add_device_m25p80(&ap121_flash_data);
 187
 188         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art + AP121_MAC0_OFFSET, 0);
 189         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art + AP121_MAC1_OFFSET, 0);
 190
 191         ar71xx_add_device_mdio(0, 0x0);
 192
 193         /* LAN ports */
 194         ar71xx_add_device_eth(1);
 195
 196         /* WAN port */
 197         ar71xx_add_device_eth(0);
 198
 199         ar9xxx_add_device_wmac(art + AP121_CALDATA_OFFSET,
 200                                art + AP121_WMAC_MAC_OFFSET);
 201 }
 202
 203 static void __init ap121_setup(void)
 204 {
 205         ap121_flash_data.parts = ap121_parts;
 206         ap121_flash_data.nr_parts = ap121_nr_parts;
 207
 208         ap121_common_setup();
 209
 210         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap121_leds_gpio),
 211                                         ap121_leds_gpio);
 212         ar71xx_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
 213                                          ARRAY_SIZE(ap121_gpio_keys),
 214                                          ap121_gpio_keys);
 215
 216         ar71xx_add_device_usb();
 217 }
 218
 219 static void __init ap121_mini_setup(void)
 220 {
 221         ap121_flash_data.parts = ap121_mini_parts;
 222         ap121_flash_data.nr_parts = ap121_mini_nr_parts;
 223
 224         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap121_mini_leds_gpio),
 225                                         ap121_mini_leds_gpio);
 226         ar71xx_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
 227                                          ARRAY_SIZE(ap121_mini_gpio_keys),
 228                                          ap121_mini_gpio_keys);
 229
 230         ap121_common_setup();
 231 }
 232
 233 MIPS_MACHINE(AR71XX_MACH_AP121, "AP121", "Atheros AP121",
 234              ap121_setup);
 235
 236 MIPS_MACHINE(AR71XX_MACH_AP121_MINI, "AP121-MINI", "Atheros AP121-MINI",
 237              ap121_mini_setup);