4ca2c04085
With the introduction of the ID based MBus API, it's better to switch to use it instead of the current name based scheme. This will allow to deprecate the name based API, once every user is removed. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
331 lines
8.2 KiB
C
331 lines
8.2 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 <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(REBOOT_HARD, 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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mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
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ORION_MBUS_DEVBUS_BOOT_ATTR,
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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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.init_time = orion5x_timer_init,
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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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