forked from Minki/linux
764cbcc2e3
Hook these platforms restart code into the new restart hook rather than using arch_reset(). In addition, convert calls to arm_machine_restart() to orion5x_restart() to ensure that they continue to work as intended. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
330 lines
8.1 KiB
C
330 lines
8.1 KiB
C
/*
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* arch/arm/mach-orion5x/ls-chl-setup.c
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*
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* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/gpio-fan.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/ata_platform.h>
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#include <linux/gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/system.h>
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#include <mach/orion5x.h>
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#include "common.h"
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#include "mpp.h"
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/*****************************************************************************
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* Linkstation LS-CHL Info
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****************************************************************************/
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/*
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* 256K NOR flash Device bus boot chip select
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*/
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#define LSCHL_NOR_BOOT_BASE 0xf4000000
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#define LSCHL_NOR_BOOT_SIZE SZ_256K
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/*****************************************************************************
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* 256KB NOR Flash on BOOT Device
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****************************************************************************/
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static struct physmap_flash_data lschl_nor_flash_data = {
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.width = 1,
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};
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static struct resource lschl_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
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.start = LSCHL_NOR_BOOT_BASE,
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.end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device lschl_nor_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &lschl_nor_flash_data,
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},
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.num_resources = 1,
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.resource = &lschl_nor_flash_resource,
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};
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/*****************************************************************************
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* Ethernet
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****************************************************************************/
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static struct mv643xx_eth_platform_data lschl_eth_data = {
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.phy_addr = MV643XX_ETH_PHY_ADDR(8),
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};
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/*****************************************************************************
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* RTC 5C372a on I2C bus
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****************************************************************************/
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static struct i2c_board_info __initdata lschl_i2c_rtc = {
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I2C_BOARD_INFO("rs5c372a", 0x32),
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};
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/*****************************************************************************
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* LEDs attached to GPIO
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****************************************************************************/
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#define LSCHL_GPIO_LED_ALARM 2
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#define LSCHL_GPIO_LED_INFO 3
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#define LSCHL_GPIO_LED_FUNC 17
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#define LSCHL_GPIO_LED_PWR 0
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static struct gpio_led lschl_led_pins[] = {
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{
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.name = "alarm:red",
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.gpio = LSCHL_GPIO_LED_ALARM,
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.active_low = 1,
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}, {
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.name = "info:amber",
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.gpio = LSCHL_GPIO_LED_INFO,
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.active_low = 1,
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}, {
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.name = "func:blue:top",
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.gpio = LSCHL_GPIO_LED_FUNC,
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.active_low = 1,
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}, {
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.name = "power:blue:bottom",
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.gpio = LSCHL_GPIO_LED_PWR,
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},
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};
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static struct gpio_led_platform_data lschl_led_data = {
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.leds = lschl_led_pins,
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.num_leds = ARRAY_SIZE(lschl_led_pins),
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};
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static struct platform_device lschl_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &lschl_led_data,
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},
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};
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/*****************************************************************************
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* SATA
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****************************************************************************/
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static struct mv_sata_platform_data lschl_sata_data = {
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.n_ports = 2,
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};
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/*****************************************************************************
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* LS-CHL specific power off method: reboot
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****************************************************************************/
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/*
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* On the LS-CHL, the shutdown process is following:
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* - Userland monitors key events until the power switch goes to off position
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* - The board reboots
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* - U-boot starts and goes into an idle mode waiting for the user
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* to move the switch to ON position
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*
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*/
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static void lschl_power_off(void)
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{
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orion5x_restart('h', NULL);
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}
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/*****************************************************************************
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* General Setup
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****************************************************************************/
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#define LSCHL_GPIO_USB_POWER 9
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#define LSCHL_GPIO_AUTO_POWER 17
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#define LSCHL_GPIO_POWER 18
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/****************************************************************************
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* GPIO Attached Keys
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****************************************************************************/
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#define LSCHL_GPIO_KEY_FUNC 15
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#define LSCHL_GPIO_KEY_POWER 8
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#define LSCHL_GPIO_KEY_AUTOPOWER 10
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#define LSCHL_SW_POWER 0x00
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#define LSCHL_SW_AUTOPOWER 0x01
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#define LSCHL_SW_FUNC 0x02
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static struct gpio_keys_button lschl_buttons[] = {
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{
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.type = EV_SW,
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.code = LSCHL_SW_POWER,
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.gpio = LSCHL_GPIO_KEY_POWER,
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.desc = "Power-on Switch",
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.active_low = 1,
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}, {
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.type = EV_SW,
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.code = LSCHL_SW_AUTOPOWER,
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.gpio = LSCHL_GPIO_KEY_AUTOPOWER,
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.desc = "Power-auto Switch",
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.active_low = 1,
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}, {
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.type = EV_SW,
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.code = LSCHL_SW_FUNC,
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.gpio = LSCHL_GPIO_KEY_FUNC,
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.desc = "Function Switch",
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.active_low = 1,
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},
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};
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static struct gpio_keys_platform_data lschl_button_data = {
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.buttons = lschl_buttons,
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.nbuttons = ARRAY_SIZE(lschl_buttons),
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};
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static struct platform_device lschl_button_device = {
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.name = "gpio-keys",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &lschl_button_data,
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},
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};
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#define LSCHL_GPIO_HDD_POWER 1
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/****************************************************************************
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* GPIO Fan
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****************************************************************************/
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#define LSCHL_GPIO_FAN_LOW 16
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#define LSCHL_GPIO_FAN_HIGH 14
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#define LSCHL_GPIO_FAN_LOCK 6
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static struct gpio_fan_alarm lschl_alarm = {
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.gpio = LSCHL_GPIO_FAN_LOCK,
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};
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static struct gpio_fan_speed lschl_speeds[] = {
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{
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.rpm = 0,
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.ctrl_val = 3,
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}, {
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.rpm = 1500,
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.ctrl_val = 2,
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}, {
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.rpm = 3250,
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.ctrl_val = 1,
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}, {
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.rpm = 5000,
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.ctrl_val = 0,
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},
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};
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static int lschl_gpio_list[] = {
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LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
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};
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static struct gpio_fan_platform_data lschl_fan_data = {
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.num_ctrl = ARRAY_SIZE(lschl_gpio_list),
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.ctrl = lschl_gpio_list,
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.alarm = &lschl_alarm,
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.num_speed = ARRAY_SIZE(lschl_speeds),
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.speed = lschl_speeds,
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};
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static struct platform_device lschl_fan_device = {
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.name = "gpio-fan",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &lschl_fan_data,
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},
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};
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/****************************************************************************
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* GPIO Data
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****************************************************************************/
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static unsigned int lschl_mpp_modes[] __initdata = {
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MPP0_GPIO, /* LED POWER */
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MPP1_GPIO, /* HDD POWER */
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MPP2_GPIO, /* LED ALARM */
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MPP3_GPIO, /* LED INFO */
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MPP4_UNUSED,
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MPP5_UNUSED,
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MPP6_GPIO, /* FAN LOCK */
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MPP7_GPIO, /* SW INIT */
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MPP8_GPIO, /* SW POWER */
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MPP9_GPIO, /* USB POWER */
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MPP10_GPIO, /* SW AUTO POWER */
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MPP11_UNUSED,
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MPP12_UNUSED,
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MPP13_UNUSED,
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MPP14_GPIO, /* FAN HIGH */
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MPP15_GPIO, /* SW FUNC */
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MPP16_GPIO, /* FAN LOW */
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MPP17_GPIO, /* LED FUNC */
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MPP18_UNUSED,
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MPP19_UNUSED,
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0,
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};
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static void __init lschl_init(void)
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{
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/*
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* Setup basic Orion functions. Needs to be called early.
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*/
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orion5x_init();
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orion5x_mpp_conf(lschl_mpp_modes);
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/*
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* Configure peripherals.
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*/
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orion5x_ehci0_init();
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orion5x_ehci1_init();
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orion5x_eth_init(&lschl_eth_data);
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orion5x_i2c_init();
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orion5x_sata_init(&lschl_sata_data);
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orion5x_uart0_init();
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orion5x_xor_init();
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orion5x_setup_dev_boot_win(LSCHL_NOR_BOOT_BASE,
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LSCHL_NOR_BOOT_SIZE);
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platform_device_register(&lschl_nor_flash);
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platform_device_register(&lschl_leds);
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platform_device_register(&lschl_button_device);
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platform_device_register(&lschl_fan_device);
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i2c_register_board_info(0, &lschl_i2c_rtc, 1);
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/* usb power on */
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gpio_set_value(LSCHL_GPIO_USB_POWER, 1);
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/* register power-off method */
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pm_power_off = lschl_power_off;
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pr_info("%s: finished\n", __func__);
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}
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MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
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/* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
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.atag_offset = 0x100,
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.init_machine = lschl_init,
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.map_io = orion5x_map_io,
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.init_early = orion5x_init_early,
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.init_irq = orion5x_init_irq,
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.timer = &orion5x_timer,
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.fixup = tag_fixup_mem32,
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.restart = orion5x_restart,
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MACHINE_END
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