diff options
Diffstat (limited to 'arch/arm/mach-orion5x/ls-chl-setup.c')
| -rw-r--r-- | arch/arm/mach-orion5x/ls-chl-setup.c | 330 | 
1 files changed, 330 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/ls-chl-setup.c b/arch/arm/mach-orion5x/ls-chl-setup.c new file mode 100644 index 00000000000..028ea038d40 --- /dev/null +++ b/arch/arm/mach-orion5x/ls-chl-setup.c @@ -0,0 +1,330 @@ +/* + * arch/arm/mach-orion5x/ls-chl-setup.c + * + * Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> + * + * 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/gpio-fan.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 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 <ashley.hughes@blueyonder.co.uk> */ +	.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  | 
