/* * arch/arm/mach-orion5x/lsmini-setup.c * * Maintainer: Alexey Kopytko <alexey@kopytko.ru> * * 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 <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/mtd/physmap.h> #include <linux/mv643xx_eth.h> #include <linux/leds.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/i2c.h> #include <linux/ata_platform.h> #include <linux/gpio.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/orion5x.h> #include "common.h" #include "mpp.h" /***************************************************************************** * Linkstation Mini Info ****************************************************************************/ /* * 256K NOR flash Device bus boot chip select */ #define LSMINI_NOR_BOOT_BASE 0xf4000000 #define LSMINI_NOR_BOOT_SIZE SZ_256K /***************************************************************************** * 256KB NOR Flash on BOOT Device ****************************************************************************/ static struct physmap_flash_data lsmini_nor_flash_data = { .width = 1, }; static struct resource lsmini_nor_flash_resource = { .flags = IORESOURCE_MEM, .start = LSMINI_NOR_BOOT_BASE, .end = LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1, }; static struct platform_device lsmini_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &lsmini_nor_flash_data, }, .num_resources = 1, .resource = &lsmini_nor_flash_resource, }; /***************************************************************************** * Ethernet ****************************************************************************/ static struct mv643xx_eth_platform_data lsmini_eth_data = { .phy_addr = 8, }; /***************************************************************************** * RTC 5C372a on I2C bus ****************************************************************************/ static struct i2c_board_info __initdata lsmini_i2c_rtc = { I2C_BOARD_INFO("rs5c372a", 0x32), }; /***************************************************************************** * LEDs attached to GPIO ****************************************************************************/ #define LSMINI_GPIO_LED_ALARM 2 #define LSMINI_GPIO_LED_INFO 3 #define LSMINI_GPIO_LED_FUNC 9 #define LSMINI_GPIO_LED_PWR 14 static struct gpio_led lsmini_led_pins[] = { { .name = "alarm:red", .gpio = LSMINI_GPIO_LED_ALARM, .active_low = 1, }, { .name = "info:amber", .gpio = LSMINI_GPIO_LED_INFO, .active_low = 1, }, { .name = "func:blue:top", .gpio = LSMINI_GPIO_LED_FUNC, .active_low = 1, }, { .name = "power:blue:bottom", .gpio = LSMINI_GPIO_LED_PWR, }, }; static struct gpio_led_platform_data lsmini_led_data = { .leds = lsmini_led_pins, .num_leds = ARRAY_SIZE(lsmini_led_pins), }; static struct platform_device lsmini_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &lsmini_led_data, }, }; /**************************************************************************** * GPIO Attached Keys ****************************************************************************/ #define LSMINI_GPIO_KEY_FUNC 15 #define LSMINI_GPIO_KEY_POWER 18 #define LSMINI_GPIO_KEY_AUTOPOWER 17 #define LSMINI_SW_POWER 0x00 #define LSMINI_SW_AUTOPOWER 0x01 static struct gpio_keys_button lsmini_buttons[] = { { .code = KEY_OPTION, .gpio = LSMINI_GPIO_KEY_FUNC, .desc = "Function Button", .active_low = 1, }, { .type = EV_SW, .code = LSMINI_SW_POWER, .gpio = LSMINI_GPIO_KEY_POWER, .desc = "Power-on Switch", .active_low = 1, }, { .type = EV_SW, .code = LSMINI_SW_AUTOPOWER, .gpio = LSMINI_GPIO_KEY_AUTOPOWER, .desc = "Power-auto Switch", .active_low = 1, }, }; static struct gpio_keys_platform_data lsmini_button_data = { .buttons = lsmini_buttons, .nbuttons = ARRAY_SIZE(lsmini_buttons), }; static struct platform_device lsmini_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &lsmini_button_data, }, }; /***************************************************************************** * SATA ****************************************************************************/ static struct mv_sata_platform_data lsmini_sata_data = { .n_ports = 2, }; /***************************************************************************** * Linkstation Mini specific power off method: reboot ****************************************************************************/ /* * On the Linkstation Mini, 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 lsmini_power_off(void) { orion5x_restart(REBOOT_HARD, NULL); } /***************************************************************************** * General Setup ****************************************************************************/ #define LSMINI_GPIO_USB_POWER 16 #define LSMINI_GPIO_AUTO_POWER 17 #define LSMINI_GPIO_POWER 18 #define LSMINI_GPIO_HDD_POWER0 1 #define LSMINI_GPIO_HDD_POWER1 19 static unsigned int lsmini_mpp_modes[] __initdata = { MPP0_UNUSED, /* LED_RESERVE1 (unused) */ MPP1_GPIO, /* HDD_PWR */ MPP2_GPIO, /* LED_ALARM */ MPP3_GPIO, /* LED_INFO */ MPP4_UNUSED, MPP5_UNUSED, MPP6_UNUSED, MPP7_UNUSED, MPP8_UNUSED, MPP9_GPIO, /* LED_FUNC */ MPP10_UNUSED, MPP11_UNUSED, /* LED_ETH (dummy) */ MPP12_UNUSED, MPP13_UNUSED, MPP14_GPIO, /* LED_PWR */ MPP15_GPIO, /* FUNC */ MPP16_GPIO, /* USB_PWR */ MPP17_GPIO, /* AUTO_POWER */ MPP18_GPIO, /* POWER */ MPP19_GPIO, /* HDD_PWR1 */ 0, }; static void __init lsmini_init(void) { /* * Setup basic Orion functions. Need to be called early. */ orion5x_init(); orion5x_mpp_conf(lsmini_mpp_modes); /* * Configure peripherals. */ orion5x_ehci0_init(); orion5x_ehci1_init(); orion5x_eth_init(&lsmini_eth_data); orion5x_i2c_init(); orion5x_sata_init(&lsmini_sata_data); orion5x_uart0_init(); orion5x_xor_init(); mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, ORION_MBUS_DEVBUS_BOOT_ATTR, LSMINI_NOR_BOOT_BASE, LSMINI_NOR_BOOT_SIZE); platform_device_register(&lsmini_nor_flash); platform_device_register(&lsmini_button_device); platform_device_register(&lsmini_leds); i2c_register_board_info(0, &lsmini_i2c_rtc, 1); /* enable USB power */ gpio_set_value(LSMINI_GPIO_USB_POWER, 1); /* register power-off method */ pm_power_off = lsmini_power_off; pr_info("%s: finished\n", __func__); } #ifdef CONFIG_MACH_LINKSTATION_MINI MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini") /* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */ .atag_offset = 0x100, .init_machine = lsmini_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 #endif