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/*
* Copyright 2012 (C), Michael Walle <michael@walle.cc>
*
* arch/arm/mach-kirkwood/board-lsxl.c
*
* Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not
* converted to flattened device tree yet.
*
* 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/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/gpio-fan.h>
#include "common.h"
#include "mpp.h"
static struct mv643xx_eth_platform_data lsxl_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
static struct mv643xx_eth_platform_data lsxl_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
static unsigned int lsxl_mpp_config[] __initdata = {
MPP10_GPO, /* HDD Power Enable */
MPP11_GPIO, /* USB Vbus Enable */
MPP18_GPO, /* FAN High Enable# */
MPP19_GPO, /* FAN Low Enable# */
MPP36_GPIO, /* Function Blue LED */
MPP37_GPIO, /* Alarm LED */
MPP38_GPIO, /* Info LED */
MPP39_GPIO, /* Power LED */
MPP40_GPIO, /* Fan Lock */
MPP41_GPIO, /* Function Button */
MPP42_GPIO, /* Power Switch */
MPP43_GPIO, /* Power Auto Switch */
MPP48_GPIO, /* Function Red LED */
0
};
#define LSXL_GPIO_FAN_HIGH 18
#define LSXL_GPIO_FAN_LOW 19
#define LSXL_GPIO_FAN_LOCK 40
static struct gpio_fan_alarm lsxl_alarm = {
.gpio = LSXL_GPIO_FAN_LOCK,
};
static struct gpio_fan_speed lsxl_speeds[] = {
{
.rpm = 0,
.ctrl_val = 3,
}, {
.rpm = 1500,
.ctrl_val = 1,
}, {
.rpm = 3250,
.ctrl_val = 2,
}, {
.rpm = 5000,
.ctrl_val = 0,
}
};
static int lsxl_gpio_list[] = {
LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW,
};
static struct gpio_fan_platform_data lsxl_fan_data = {
.num_ctrl = ARRAY_SIZE(lsxl_gpio_list),
.ctrl = lsxl_gpio_list,
.alarm = &lsxl_alarm,
.num_speed = ARRAY_SIZE(lsxl_speeds),
.speed = lsxl_speeds,
};
static struct platform_device lsxl_fan_device = {
.name = "gpio-fan",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &lsxl_fan_data,
},
};
/*
* On the LS-XHL/LS-CHLv2, 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 lsxl_power_off(void)
{
kirkwood_restart('h', NULL);
}
#define LSXL_GPIO_HDD_POWER 10
#define LSXL_GPIO_USB_POWER 11
void __init lsxl_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_mpp_conf(lsxl_mpp_config);
/* usb and sata power on */
gpio_set_value(LSXL_GPIO_USB_POWER, 1);
gpio_set_value(LSXL_GPIO_HDD_POWER, 1);
kirkwood_ehci_init();
kirkwood_ge00_init(&lsxl_ge00_data);
kirkwood_ge01_init(&lsxl_ge01_data);
platform_device_register(&lsxl_fan_device);
/* register power-off method */
pm_power_off = lsxl_power_off;
}
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