/* * arch/arm/mach-orion5x/ls-chl-setup.c * * Maintainer: Ash Hughes * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "mpp.h" /***************************************************************************** * Linkstation LS-CHL Info ****************************************************************************/ /* * 256K NOR flash Device bus boot chip select */ #define LSCHL_NOR_BOOT_BASE 0xf4000000 #define LSCHL_NOR_BOOT_SIZE SZ_256K /***************************************************************************** * 256KB NOR Flash on BOOT Device ****************************************************************************/ static struct physmap_flash_data lschl_nor_flash_data = { .width = 1, }; static struct resource lschl_nor_flash_resource = { .flags = IORESOURCE_MEM, .start = LSCHL_NOR_BOOT_BASE, .end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1, }; static struct platform_device lschl_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &lschl_nor_flash_data, }, .num_resources = 1, .resource = &lschl_nor_flash_resource, }; /***************************************************************************** * Ethernet ****************************************************************************/ static struct mv643xx_eth_platform_data lschl_eth_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; /***************************************************************************** * RTC 5C372a on I2C bus ****************************************************************************/ static struct i2c_board_info __initdata lschl_i2c_rtc = { I2C_BOARD_INFO("rs5c372a", 0x32), }; /***************************************************************************** * LEDs attached to GPIO ****************************************************************************/ #define LSCHL_GPIO_LED_ALARM 2 #define LSCHL_GPIO_LED_INFO 3 #define LSCHL_GPIO_LED_FUNC 17 #define LSCHL_GPIO_LED_PWR 0 static struct gpio_led lschl_led_pins[] = { { .name = "alarm:red", .gpio = LSCHL_GPIO_LED_ALARM, .active_low = 1, }, { .name = "info:amber", .gpio = LSCHL_GPIO_LED_INFO, .active_low = 1, }, { .name = "func:blue:top", .gpio = LSCHL_GPIO_LED_FUNC, .active_low = 1, }, { .name = "power:blue:bottom", .gpio = LSCHL_GPIO_LED_PWR, }, }; static struct gpio_led_platform_data lschl_led_data = { .leds = lschl_led_pins, .num_leds = ARRAY_SIZE(lschl_led_pins), }; static struct platform_device lschl_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &lschl_led_data, }, }; /***************************************************************************** * SATA ****************************************************************************/ static struct mv_sata_platform_data lschl_sata_data = { .n_ports = 2, }; /***************************************************************************** * LS-CHL specific power off method: reboot ****************************************************************************/ /* * On the LS-CHL, the shutdown process is following: * - Userland monitors key events until the power switch goes to off position * - The board reboots * - U-boot starts and goes into an idle mode waiting for the user * to move the switch to ON position * */ static void lschl_power_off(void) { orion5x_restart(REBOOT_HARD, NULL); } /***************************************************************************** * General Setup ****************************************************************************/ #define LSCHL_GPIO_USB_POWER 9 #define LSCHL_GPIO_AUTO_POWER 17 #define LSCHL_GPIO_POWER 18 /**************************************************************************** * GPIO Attached Keys ****************************************************************************/ #define LSCHL_GPIO_KEY_FUNC 15 #define LSCHL_GPIO_KEY_POWER 8 #define LSCHL_GPIO_KEY_AUTOPOWER 10 #define LSCHL_SW_POWER 0x00 #define LSCHL_SW_AUTOPOWER 0x01 #define LSCHL_SW_FUNC 0x02 static struct gpio_keys_button lschl_buttons[] = { { .type = EV_SW, .code = LSCHL_SW_POWER, .gpio = LSCHL_GPIO_KEY_POWER, .desc = "Power-on Switch", .active_low = 1, }, { .type = EV_SW, .code = LSCHL_SW_AUTOPOWER, .gpio = LSCHL_GPIO_KEY_AUTOPOWER, .desc = "Power-auto Switch", .active_low = 1, }, { .type = EV_SW, .code = LSCHL_SW_FUNC, .gpio = LSCHL_GPIO_KEY_FUNC, .desc = "Function Switch", .active_low = 1, }, }; static struct gpio_keys_platform_data lschl_button_data = { .buttons = lschl_buttons, .nbuttons = ARRAY_SIZE(lschl_buttons), }; static struct platform_device lschl_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &lschl_button_data, }, }; #define LSCHL_GPIO_HDD_POWER 1 /**************************************************************************** * GPIO Fan ****************************************************************************/ #define LSCHL_GPIO_FAN_LOW 16 #define LSCHL_GPIO_FAN_HIGH 14 #define LSCHL_GPIO_FAN_LOCK 6 static struct gpio_fan_alarm lschl_alarm = { .gpio = LSCHL_GPIO_FAN_LOCK, }; static struct gpio_fan_speed lschl_speeds[] = { { .rpm = 0, .ctrl_val = 3, }, { .rpm = 1500, .ctrl_val = 2, }, { .rpm = 3250, .ctrl_val = 1, }, { .rpm = 5000, .ctrl_val = 0, }, }; static int lschl_gpio_list[] = { LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW, }; static struct gpio_fan_platform_data lschl_fan_data = { .num_ctrl = ARRAY_SIZE(lschl_gpio_list), .ctrl = lschl_gpio_list, .alarm = &lschl_alarm, .num_speed = ARRAY_SIZE(lschl_speeds), .speed = lschl_speeds, }; static struct platform_device lschl_fan_device = { .name = "gpio-fan", .id = -1, .num_resources = 0, .dev = { .platform_data = &lschl_fan_data, }, }; /**************************************************************************** * GPIO Data ****************************************************************************/ static unsigned int lschl_mpp_modes[] __initdata = { MPP0_GPIO, /* LED POWER */ MPP1_GPIO, /* HDD POWER */ MPP2_GPIO, /* LED ALARM */ MPP3_GPIO, /* LED INFO */ MPP4_UNUSED, MPP5_UNUSED, MPP6_GPIO, /* FAN LOCK */ MPP7_GPIO, /* SW INIT */ MPP8_GPIO, /* SW POWER */ MPP9_GPIO, /* USB POWER */ MPP10_GPIO, /* SW AUTO POWER */ MPP11_UNUSED, MPP12_UNUSED, MPP13_UNUSED, MPP14_GPIO, /* FAN HIGH */ MPP15_GPIO, /* SW FUNC */ MPP16_GPIO, /* FAN LOW */ MPP17_GPIO, /* LED FUNC */ MPP18_UNUSED, MPP19_UNUSED, 0, }; static void __init lschl_init(void) { /* * Setup basic Orion functions. Needs to be called early. */ orion5x_init(); orion5x_mpp_conf(lschl_mpp_modes); /* * Configure peripherals. */ orion5x_ehci0_init(); orion5x_ehci1_init(); orion5x_eth_init(&lschl_eth_data); orion5x_i2c_init(); orion5x_sata_init(&lschl_sata_data); orion5x_uart0_init(); orion5x_xor_init(); mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, ORION_MBUS_DEVBUS_BOOT_ATTR, LSCHL_NOR_BOOT_BASE, LSCHL_NOR_BOOT_SIZE); platform_device_register(&lschl_nor_flash); platform_device_register(&lschl_leds); platform_device_register(&lschl_button_device); platform_device_register(&lschl_fan_device); i2c_register_board_info(0, &lschl_i2c_rtc, 1); /* usb power on */ gpio_set_value(LSCHL_GPIO_USB_POWER, 1); /* register power-off method */ pm_power_off = lschl_power_off; pr_info("%s: finished\n", __func__); } MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)") /* Maintainer: Ash Hughes */ .atag_offset = 0x100, .init_machine = lschl_init, .map_io = orion5x_map_io, .init_early = orion5x_init_early, .init_irq = orion5x_init_irq, .init_time = orion5x_timer_init, .fixup = tag_fixup_mem32, .restart = orion5x_restart, MACHINE_END