| /* |
| * Atheros AP83 board support |
| * |
| * Copyright (C) 2008-2012 Gabor Juhos <juhosg@openwrt.org> |
| * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published |
| * by the Free Software Foundation. |
| */ |
| |
| #include <linux/delay.h> |
| #include <linux/platform_device.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/spi_gpio.h> |
| #include <linux/spi/vsc7385.h> |
| |
| #include <asm/mach-ath79/ar71xx_regs.h> |
| #include <asm/mach-ath79/ath79.h> |
| |
| #include "dev-eth.h" |
| #include "dev-gpio-buttons.h" |
| #include "dev-leds-gpio.h" |
| #include "dev-usb.h" |
| #include "dev-wmac.h" |
| #include "machtypes.h" |
| |
| #define AP83_GPIO_LED_WLAN 6 |
| #define AP83_GPIO_LED_POWER 14 |
| #define AP83_GPIO_LED_JUMPSTART 15 |
| #define AP83_GPIO_BTN_JUMPSTART 12 |
| #define AP83_GPIO_BTN_RESET 21 |
| |
| #define AP83_050_GPIO_VSC7385_CS 1 |
| #define AP83_050_GPIO_VSC7385_MISO 3 |
| #define AP83_050_GPIO_VSC7385_MOSI 16 |
| #define AP83_050_GPIO_VSC7385_SCK 17 |
| |
| #define AP83_KEYS_POLL_INTERVAL 20 /* msecs */ |
| #define AP83_KEYS_DEBOUNCE_INTERVAL (3 * AP83_KEYS_POLL_INTERVAL) |
| |
| static struct mtd_partition ap83_flash_partitions[] = { |
| { |
| .name = "u-boot", |
| .offset = 0, |
| .size = 0x040000, |
| .mask_flags = MTD_WRITEABLE, |
| }, { |
| .name = "u-boot-env", |
| .offset = 0x040000, |
| .size = 0x020000, |
| .mask_flags = MTD_WRITEABLE, |
| }, { |
| .name = "kernel", |
| .offset = 0x060000, |
| .size = 0x140000, |
| }, { |
| .name = "rootfs", |
| .offset = 0x1a0000, |
| .size = 0x650000, |
| }, { |
| .name = "art", |
| .offset = 0x7f0000, |
| .size = 0x010000, |
| .mask_flags = MTD_WRITEABLE, |
| }, { |
| .name = "firmware", |
| .offset = 0x060000, |
| .size = 0x790000, |
| } |
| }; |
| |
| static struct physmap_flash_data ap83_flash_data = { |
| .width = 2, |
| .parts = ap83_flash_partitions, |
| .nr_parts = ARRAY_SIZE(ap83_flash_partitions), |
| }; |
| |
| static struct resource ap83_flash_resources[] = { |
| [0] = { |
| .start = AR71XX_SPI_BASE, |
| .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device ap83_flash_device = { |
| .name = "ar91xx-flash", |
| .id = -1, |
| .resource = ap83_flash_resources, |
| .num_resources = ARRAY_SIZE(ap83_flash_resources), |
| .dev = { |
| .platform_data = &ap83_flash_data, |
| } |
| }; |
| |
| static struct gpio_led ap83_leds_gpio[] __initdata = { |
| { |
| .name = "ap83:green:jumpstart", |
| .gpio = AP83_GPIO_LED_JUMPSTART, |
| .active_low = 0, |
| }, { |
| .name = "ap83:green:power", |
| .gpio = AP83_GPIO_LED_POWER, |
| .active_low = 0, |
| }, { |
| .name = "ap83:green:wlan", |
| .gpio = AP83_GPIO_LED_WLAN, |
| .active_low = 0, |
| }, |
| }; |
| |
| static struct gpio_keys_button ap83_gpio_keys[] __initdata = { |
| { |
| .desc = "soft_reset", |
| .type = EV_KEY, |
| .code = KEY_RESTART, |
| .debounce_interval = AP83_KEYS_DEBOUNCE_INTERVAL, |
| .gpio = AP83_GPIO_BTN_RESET, |
| .active_low = 1, |
| }, { |
| .desc = "jumpstart", |
| .type = EV_KEY, |
| .code = KEY_WPS_BUTTON, |
| .debounce_interval = AP83_KEYS_DEBOUNCE_INTERVAL, |
| .gpio = AP83_GPIO_BTN_JUMPSTART, |
| .active_low = 1, |
| } |
| }; |
| |
| static struct resource ap83_040_spi_resources[] = { |
| [0] = { |
| .start = AR71XX_SPI_BASE, |
| .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device ap83_040_spi_device = { |
| .name = "ap83-spi", |
| .id = 0, |
| .resource = ap83_040_spi_resources, |
| .num_resources = ARRAY_SIZE(ap83_040_spi_resources), |
| }; |
| |
| static struct spi_gpio_platform_data ap83_050_spi_data = { |
| .miso = AP83_050_GPIO_VSC7385_MISO, |
| .mosi = AP83_050_GPIO_VSC7385_MOSI, |
| .sck = AP83_050_GPIO_VSC7385_SCK, |
| .num_chipselect = 1, |
| }; |
| |
| static struct platform_device ap83_050_spi_device = { |
| .name = "spi_gpio", |
| .id = 0, |
| .dev = { |
| .platform_data = &ap83_050_spi_data, |
| } |
| }; |
| |
| static void ap83_vsc7385_reset(void) |
| { |
| ath79_device_reset_set(AR71XX_RESET_GE1_PHY); |
| udelay(10); |
| ath79_device_reset_clear(AR71XX_RESET_GE1_PHY); |
| mdelay(50); |
| } |
| |
| static struct vsc7385_platform_data ap83_vsc7385_data = { |
| .reset = ap83_vsc7385_reset, |
| .ucode_name = "vsc7385_ucode_ap83.bin", |
| .mac_cfg = { |
| .tx_ipg = 6, |
| .bit2 = 0, |
| .clk_sel = 3, |
| }, |
| }; |
| |
| static struct spi_board_info ap83_spi_info[] = { |
| { |
| .bus_num = 0, |
| .chip_select = 0, |
| .max_speed_hz = 25000000, |
| .modalias = "spi-vsc7385", |
| .platform_data = &ap83_vsc7385_data, |
| .controller_data = (void *) AP83_050_GPIO_VSC7385_CS, |
| } |
| }; |
| |
| static void __init ap83_generic_setup(void) |
| { |
| u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000); |
| |
| ath79_register_mdio(0, 0xfffffffe); |
| |
| ath79_init_mac(ath79_eth0_data.mac_addr, eeprom, 0); |
| ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| ath79_eth0_data.phy_mask = 0x1; |
| |
| ath79_register_eth(0); |
| |
| ath79_init_mac(ath79_eth1_data.mac_addr, eeprom, 1); |
| ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| ath79_eth1_data.speed = SPEED_1000; |
| ath79_eth1_data.duplex = DUPLEX_FULL; |
| |
| ath79_eth1_pll_data.pll_1000 = 0x1f000000; |
| |
| ath79_register_eth(1); |
| |
| ath79_register_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio), |
| ap83_leds_gpio); |
| |
| ath79_register_gpio_keys_polled(-1, AP83_KEYS_POLL_INTERVAL, |
| ARRAY_SIZE(ap83_gpio_keys), |
| ap83_gpio_keys); |
| |
| ath79_register_usb(); |
| |
| ath79_register_wmac(eeprom, NULL); |
| |
| platform_device_register(&ap83_flash_device); |
| |
| spi_register_board_info(ap83_spi_info, ARRAY_SIZE(ap83_spi_info)); |
| } |
| |
| static void ap83_040_flash_lock(struct platform_device *pdev) |
| { |
| ath79_flash_acquire(); |
| } |
| |
| static void ap83_040_flash_unlock(struct platform_device *pdev) |
| { |
| ath79_flash_release(); |
| } |
| |
| static void __init ap83_040_setup(void) |
| { |
| ap83_flash_data.lock = ap83_040_flash_lock; |
| ap83_flash_data.unlock = ap83_040_flash_unlock; |
| ap83_generic_setup(); |
| platform_device_register(&ap83_040_spi_device); |
| } |
| |
| static void __init ap83_050_setup(void) |
| { |
| ap83_generic_setup(); |
| platform_device_register(&ap83_050_spi_device); |
| } |
| |
| static void __init ap83_setup(void) |
| { |
| u8 *board_id = (u8 *) KSEG1ADDR(0x1fff1244); |
| unsigned int board_version; |
| |
| board_version = (unsigned int)(board_id[0] - '0'); |
| board_version += ((unsigned int)(board_id[1] - '0')) * 10; |
| |
| switch (board_version) { |
| case 40: |
| ap83_040_setup(); |
| break; |
| case 50: |
| ap83_050_setup(); |
| break; |
| default: |
| printk(KERN_WARNING "AP83-%03u board is not yet supported\n", |
| board_version); |
| } |
| } |
| |
| MIPS_MACHINE(ATH79_MACH_AP83, "AP83", "Atheros AP83", ap83_setup); |