diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-ap83.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-ap83.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-ap83.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-ap83.c new file mode 100644 index 000000000..8519a9d9a --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-ap83.c @@ -0,0 +1,275 @@ +/* + * 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); |