- 根目录:
- arch
- arm
- mach-orion5x
- ls-chl-setup.c
/*
* 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