diff options
Diffstat (limited to 'kernel/arch/arm/mach-orion5x/lsmini-setup.c')
| -rw-r--r-- | kernel/arch/arm/mach-orion5x/lsmini-setup.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-orion5x/lsmini-setup.c b/kernel/arch/arm/mach-orion5x/lsmini-setup.c new file mode 100644 index 000000000..a6493e76f --- /dev/null +++ b/kernel/arch/arm/mach-orion5x/lsmini-setup.c @@ -0,0 +1,280 @@ +/* + * 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 |