mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 18:11:56 +00:00
65aa1b1ea4
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
329 lines
8.1 KiB
C
329 lines
8.1 KiB
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 <asm/system.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)
|
|
{
|
|
arm_machine_restart('h', 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();
|
|
|
|
orion5x_setup_dev_boot_win(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,
|
|
.timer = &orion5x_timer,
|
|
.fixup = tag_fixup_mem32,
|
|
MACHINE_END
|