/* * arch/arm/mach-orion5x/ls_hgl-setup.c * * Maintainer: Zhu Qingsen * * 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-HGL Info ****************************************************************************/ /* * 256K NOR flash Device bus boot chip select */ #define LS_HGL_NOR_BOOT_BASE 0xf4000000 #define LS_HGL_NOR_BOOT_SIZE SZ_256K /***************************************************************************** * 256KB NOR Flash on BOOT Device ****************************************************************************/ static struct physmap_flash_data ls_hgl_nor_flash_data = { .width = 1, }; static struct resource ls_hgl_nor_flash_resource = { .flags = IORESOURCE_MEM, .start = LS_HGL_NOR_BOOT_BASE, .end = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1, }; static struct platform_device ls_hgl_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &ls_hgl_nor_flash_data, }, .num_resources = 1, .resource = &ls_hgl_nor_flash_resource, }; /***************************************************************************** * Ethernet ****************************************************************************/ static struct mv643xx_eth_platform_data ls_hgl_eth_data = { .phy_addr = 8, }; /***************************************************************************** * RTC 5C372a on I2C bus ****************************************************************************/ static struct i2c_board_info __initdata ls_hgl_i2c_rtc = { I2C_BOARD_INFO("rs5c372a", 0x32), }; /***************************************************************************** * LEDs attached to GPIO ****************************************************************************/ #define LS_HGL_GPIO_LED_ALARM 2 #define LS_HGL_GPIO_LED_INFO 3 #define LS_HGL_GPIO_LED_FUNC 17 #define LS_HGL_GPIO_LED_PWR 0 static struct gpio_led ls_hgl_led_pins[] = { { .name = "alarm:red", .gpio = LS_HGL_GPIO_LED_ALARM, .active_low = 1, }, { .name = "info:amber", .gpio = LS_HGL_GPIO_LED_INFO, .active_low = 1, }, { .name = "func:blue:top", .gpio = LS_HGL_GPIO_LED_FUNC, .active_low = 1, }, { .name = "power:blue:bottom", .gpio = LS_HGL_GPIO_LED_PWR, }, }; static struct gpio_led_platform_data ls_hgl_led_data = { .leds = ls_hgl_led_pins, .num_leds = ARRAY_SIZE(ls_hgl_led_pins), }; static struct platform_device ls_hgl_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &ls_hgl_led_data, }, }; /**************************************************************************** * GPIO Attached Keys ****************************************************************************/ #define LS_HGL_GPIO_KEY_FUNC 15 #define LS_HGL_GPIO_KEY_POWER 8 #define LS_HGL_GPIO_KEY_AUTOPOWER 10 #define LS_HGL_SW_POWER 0x00 #define LS_HGL_SW_AUTOPOWER 0x01 static struct gpio_keys_button ls_hgl_buttons[] = { { .code = KEY_OPTION, .gpio = LS_HGL_GPIO_KEY_FUNC, .desc = "Function Button", .active_low = 1, }, { .type = EV_SW, .code = LS_HGL_SW_POWER, .gpio = LS_HGL_GPIO_KEY_POWER, .desc = "Power-on Switch", .active_low = 1, }, { .type = EV_SW, .code = LS_HGL_SW_AUTOPOWER, .gpio = LS_HGL_GPIO_KEY_AUTOPOWER, .desc = "Power-auto Switch", .active_low = 1, }, }; static struct gpio_keys_platform_data ls_hgl_button_data = { .buttons = ls_hgl_buttons, .nbuttons = ARRAY_SIZE(ls_hgl_buttons), }; static struct platform_device ls_hgl_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &ls_hgl_button_data, }, }; /***************************************************************************** * SATA ****************************************************************************/ static struct mv_sata_platform_data ls_hgl_sata_data = { .n_ports = 2, }; /***************************************************************************** * Linkstation LS-HGL specific power off method: reboot ****************************************************************************/ /* * On the Linkstation LS-HGL, 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 ls_hgl_power_off(void) { orion5x_restart('h', NULL); } /***************************************************************************** * General Setup ****************************************************************************/ #define LS_HGL_GPIO_USB_POWER 9 #define LS_HGL_GPIO_AUTO_POWER 10 #define LS_HGL_GPIO_POWER 8 #define LS_HGL_GPIO_HDD_POWER 1 static unsigned int ls_hgl_mpp_modes[] __initdata = { MPP0_GPIO, /* LED_PWR */ MPP1_GPIO, /* HDD_PWR */ MPP2_GPIO, /* LED_ALARM */ MPP3_GPIO, /* LED_INFO */ MPP4_UNUSED, MPP5_UNUSED, MPP6_GPIO, /* FAN_LCK */ MPP7_GPIO, /* INIT */ MPP8_GPIO, /* POWER */ MPP9_GPIO, /* USB_PWR */ MPP10_GPIO, /* AUTO_POWER */ MPP11_UNUSED, /* LED_ETH (dummy) */ MPP12_UNUSED, MPP13_UNUSED, MPP14_UNUSED, MPP15_GPIO, /* FUNC */ MPP16_UNUSED, MPP17_GPIO, /* LED_FUNC */ MPP18_UNUSED, MPP19_UNUSED, 0, }; static void __init ls_hgl_init(void) { /* * Setup basic Orion functions. Need to be called early. */ orion5x_init(); orion5x_mpp_conf(ls_hgl_mpp_modes); /* * Configure peripherals. */ orion5x_ehci0_init(); orion5x_ehci1_init(); orion5x_eth_init(&ls_hgl_eth_data); orion5x_i2c_init(); orion5x_sata_init(&ls_hgl_sata_data); orion5x_uart0_init(); orion5x_xor_init(); orion5x_setup_dev_boot_win(LS_HGL_NOR_BOOT_BASE, LS_HGL_NOR_BOOT_SIZE); platform_device_register(&ls_hgl_nor_flash); platform_device_register(&ls_hgl_button_device); platform_device_register(&ls_hgl_leds); i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1); /* enable USB power */ gpio_set_value(LS_HGL_GPIO_USB_POWER, 1); /* register power-off method */ pm_power_off = ls_hgl_power_off; pr_info("%s: finished\n", __func__); } MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL") /* Maintainer: Zhu Qingsen */ .atag_offset = 0x100, .init_machine = ls_hgl_init, .map_io = orion5x_map_io, .init_early = orion5x_init_early, .init_irq = orion5x_init_irq, .timer = &orion5x_timer, .fixup = tag_fixup_mem32, .restart = orion5x_restart, MACHINE_END