| 1 | /* |
| 2 | * Atheros AP83 board support |
| 3 | * |
| 4 | * Copyright (C) 2008-2012 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published |
| 9 | * by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #include <linux/delay.h> |
| 13 | #include <linux/platform_device.h> |
| 14 | #include <linux/mtd/mtd.h> |
| 15 | #include <linux/mtd/partitions.h> |
| 16 | #include <linux/mtd/physmap.h> |
| 17 | #include <linux/spi/spi.h> |
| 18 | #include <linux/spi/spi_gpio.h> |
| 19 | #include <linux/spi/vsc7385.h> |
| 20 | |
| 21 | #include <asm/mach-ath79/ar71xx_regs.h> |
| 22 | #include <asm/mach-ath79/ath79.h> |
| 23 | |
| 24 | #include "dev-eth.h" |
| 25 | #include "dev-gpio-buttons.h" |
| 26 | #include "dev-leds-gpio.h" |
| 27 | #include "dev-usb.h" |
| 28 | #include "dev-wmac.h" |
| 29 | #include "machtypes.h" |
| 30 | |
| 31 | #define AP83_GPIO_LED_WLAN 6 |
| 32 | #define AP83_GPIO_LED_POWER 14 |
| 33 | #define AP83_GPIO_LED_JUMPSTART 15 |
| 34 | #define AP83_GPIO_BTN_JUMPSTART 12 |
| 35 | #define AP83_GPIO_BTN_RESET 21 |
| 36 | |
| 37 | #define AP83_050_GPIO_VSC7385_CS 1 |
| 38 | #define AP83_050_GPIO_VSC7385_MISO 3 |
| 39 | #define AP83_050_GPIO_VSC7385_MOSI 16 |
| 40 | #define AP83_050_GPIO_VSC7385_SCK 17 |
| 41 | |
| 42 | #define AP83_KEYS_POLL_INTERVAL 20 /* msecs */ |
| 43 | #define AP83_KEYS_DEBOUNCE_INTERVAL (3 * AP83_KEYS_POLL_INTERVAL) |
| 44 | |
| 45 | static struct mtd_partition ap83_flash_partitions[] = { |
| 46 | { |
| 47 | .name = "u-boot", |
| 48 | .offset = 0, |
| 49 | .size = 0x040000, |
| 50 | .mask_flags = MTD_WRITEABLE, |
| 51 | }, { |
| 52 | .name = "u-boot-env", |
| 53 | .offset = 0x040000, |
| 54 | .size = 0x020000, |
| 55 | .mask_flags = MTD_WRITEABLE, |
| 56 | }, { |
| 57 | .name = "kernel", |
| 58 | .offset = 0x060000, |
| 59 | .size = 0x140000, |
| 60 | }, { |
| 61 | .name = "rootfs", |
| 62 | .offset = 0x1a0000, |
| 63 | .size = 0x650000, |
| 64 | }, { |
| 65 | .name = "art", |
| 66 | .offset = 0x7f0000, |
| 67 | .size = 0x010000, |
| 68 | .mask_flags = MTD_WRITEABLE, |
| 69 | }, { |
| 70 | .name = "firmware", |
| 71 | .offset = 0x060000, |
| 72 | .size = 0x790000, |
| 73 | } |
| 74 | }; |
| 75 | |
| 76 | static struct physmap_flash_data ap83_flash_data = { |
| 77 | .width = 2, |
| 78 | .parts = ap83_flash_partitions, |
| 79 | .nr_parts = ARRAY_SIZE(ap83_flash_partitions), |
| 80 | }; |
| 81 | |
| 82 | static struct resource ap83_flash_resources[] = { |
| 83 | [0] = { |
| 84 | .start = AR71XX_SPI_BASE, |
| 85 | .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, |
| 86 | .flags = IORESOURCE_MEM, |
| 87 | }, |
| 88 | }; |
| 89 | |
| 90 | static struct platform_device ap83_flash_device = { |
| 91 | .name = "ar91xx-flash", |
| 92 | .id = -1, |
| 93 | .resource = ap83_flash_resources, |
| 94 | .num_resources = ARRAY_SIZE(ap83_flash_resources), |
| 95 | .dev = { |
| 96 | .platform_data = &ap83_flash_data, |
| 97 | } |
| 98 | }; |
| 99 | |
| 100 | static struct gpio_led ap83_leds_gpio[] __initdata = { |
| 101 | { |
| 102 | .name = "ap83:green:jumpstart", |
| 103 | .gpio = AP83_GPIO_LED_JUMPSTART, |
| 104 | .active_low = 0, |
| 105 | }, { |
| 106 | .name = "ap83:green:power", |
| 107 | .gpio = AP83_GPIO_LED_POWER, |
| 108 | .active_low = 0, |
| 109 | }, { |
| 110 | .name = "ap83:green:wlan", |
| 111 | .gpio = AP83_GPIO_LED_WLAN, |
| 112 | .active_low = 0, |
| 113 | }, |
| 114 | }; |
| 115 | |
| 116 | static struct gpio_keys_button ap83_gpio_keys[] __initdata = { |
| 117 | { |
| 118 | .desc = "soft_reset", |
| 119 | .type = EV_KEY, |
| 120 | .code = KEY_RESTART, |
| 121 | .debounce_interval = AP83_KEYS_DEBOUNCE_INTERVAL, |
| 122 | .gpio = AP83_GPIO_BTN_RESET, |
| 123 | .active_low = 1, |
| 124 | }, { |
| 125 | .desc = "jumpstart", |
| 126 | .type = EV_KEY, |
| 127 | .code = KEY_WPS_BUTTON, |
| 128 | .debounce_interval = AP83_KEYS_DEBOUNCE_INTERVAL, |
| 129 | .gpio = AP83_GPIO_BTN_JUMPSTART, |
| 130 | .active_low = 1, |
| 131 | } |
| 132 | }; |
| 133 | |
| 134 | static struct resource ap83_040_spi_resources[] = { |
| 135 | [0] = { |
| 136 | .start = AR71XX_SPI_BASE, |
| 137 | .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, |
| 138 | .flags = IORESOURCE_MEM, |
| 139 | }, |
| 140 | }; |
| 141 | |
| 142 | static struct platform_device ap83_040_spi_device = { |
| 143 | .name = "ap83-spi", |
| 144 | .id = 0, |
| 145 | .resource = ap83_040_spi_resources, |
| 146 | .num_resources = ARRAY_SIZE(ap83_040_spi_resources), |
| 147 | }; |
| 148 | |
| 149 | static struct spi_gpio_platform_data ap83_050_spi_data = { |
| 150 | .miso = AP83_050_GPIO_VSC7385_MISO, |
| 151 | .mosi = AP83_050_GPIO_VSC7385_MOSI, |
| 152 | .sck = AP83_050_GPIO_VSC7385_SCK, |
| 153 | .num_chipselect = 1, |
| 154 | }; |
| 155 | |
| 156 | static struct platform_device ap83_050_spi_device = { |
| 157 | .name = "spi_gpio", |
| 158 | .id = 0, |
| 159 | .dev = { |
| 160 | .platform_data = &ap83_050_spi_data, |
| 161 | } |
| 162 | }; |
| 163 | |
| 164 | static void ap83_vsc7385_reset(void) |
| 165 | { |
| 166 | ath79_device_reset_set(AR71XX_RESET_GE1_PHY); |
| 167 | udelay(10); |
| 168 | ath79_device_reset_clear(AR71XX_RESET_GE1_PHY); |
| 169 | mdelay(50); |
| 170 | } |
| 171 | |
| 172 | static struct vsc7385_platform_data ap83_vsc7385_data = { |
| 173 | .reset = ap83_vsc7385_reset, |
| 174 | .ucode_name = "vsc7385_ucode_ap83.bin", |
| 175 | .mac_cfg = { |
| 176 | .tx_ipg = 6, |
| 177 | .bit2 = 0, |
| 178 | .clk_sel = 3, |
| 179 | }, |
| 180 | }; |
| 181 | |
| 182 | static struct spi_board_info ap83_spi_info[] = { |
| 183 | { |
| 184 | .bus_num = 0, |
| 185 | .chip_select = 0, |
| 186 | .max_speed_hz = 25000000, |
| 187 | .modalias = "spi-vsc7385", |
| 188 | .platform_data = &ap83_vsc7385_data, |
| 189 | .controller_data = (void *) AP83_050_GPIO_VSC7385_CS, |
| 190 | } |
| 191 | }; |
| 192 | |
| 193 | static void __init ap83_generic_setup(void) |
| 194 | { |
| 195 | u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000); |
| 196 | |
| 197 | ath79_register_mdio(0, 0xfffffffe); |
| 198 | |
| 199 | ath79_init_mac(ath79_eth0_data.mac_addr, eeprom, 0); |
| 200 | ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| 201 | ath79_eth0_data.phy_mask = 0x1; |
| 202 | |
| 203 | ath79_register_eth(0); |
| 204 | |
| 205 | ath79_init_mac(ath79_eth1_data.mac_addr, eeprom, 1); |
| 206 | ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| 207 | ath79_eth1_data.speed = SPEED_1000; |
| 208 | ath79_eth1_data.duplex = DUPLEX_FULL; |
| 209 | |
| 210 | ath79_eth1_pll_data.pll_1000 = 0x1f000000; |
| 211 | |
| 212 | ath79_register_eth(1); |
| 213 | |
| 214 | ath79_register_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio), |
| 215 | ap83_leds_gpio); |
| 216 | |
| 217 | ath79_register_gpio_keys_polled(-1, AP83_KEYS_POLL_INTERVAL, |
| 218 | ARRAY_SIZE(ap83_gpio_keys), |
| 219 | ap83_gpio_keys); |
| 220 | |
| 221 | ath79_register_usb(); |
| 222 | |
| 223 | ath79_register_wmac(eeprom, NULL); |
| 224 | |
| 225 | platform_device_register(&ap83_flash_device); |
| 226 | |
| 227 | spi_register_board_info(ap83_spi_info, ARRAY_SIZE(ap83_spi_info)); |
| 228 | } |
| 229 | |
| 230 | static void ap83_040_flash_lock(struct platform_device *pdev) |
| 231 | { |
| 232 | ath79_flash_acquire(); |
| 233 | } |
| 234 | |
| 235 | static void ap83_040_flash_unlock(struct platform_device *pdev) |
| 236 | { |
| 237 | ath79_flash_release(); |
| 238 | } |
| 239 | |
| 240 | static void __init ap83_040_setup(void) |
| 241 | { |
| 242 | ap83_flash_data.lock = ap83_040_flash_lock; |
| 243 | ap83_flash_data.unlock = ap83_040_flash_unlock; |
| 244 | ap83_generic_setup(); |
| 245 | platform_device_register(&ap83_040_spi_device); |
| 246 | } |
| 247 | |
| 248 | static void __init ap83_050_setup(void) |
| 249 | { |
| 250 | ap83_generic_setup(); |
| 251 | platform_device_register(&ap83_050_spi_device); |
| 252 | } |
| 253 | |
| 254 | static void __init ap83_setup(void) |
| 255 | { |
| 256 | u8 *board_id = (u8 *) KSEG1ADDR(0x1fff1244); |
| 257 | unsigned int board_version; |
| 258 | |
| 259 | board_version = (unsigned int)(board_id[0] - '0'); |
| 260 | board_version += ((unsigned int)(board_id[1] - '0')) * 10; |
| 261 | |
| 262 | switch (board_version) { |
| 263 | case 40: |
| 264 | ap83_040_setup(); |
| 265 | break; |
| 266 | case 50: |
| 267 | ap83_050_setup(); |
| 268 | break; |
| 269 | default: |
| 270 | printk(KERN_WARNING "AP83-%03u board is not yet supported\n", |
| 271 | board_version); |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | MIPS_MACHINE(ATH79_MACH_AP83, "AP83", "Atheros AP83", ap83_setup); |
| 276 | |
