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/*
* arch/arm/mach-orion5x/ls_hgl-setup.c
*
* Maintainer: Zhu Qingsen <zhuqs@cn.fujitsu.com>
*
* 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/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-HGL Info
****************************************************************************/
/*
* 256K NOR flash Device bus boot chip select
*/
#define LS_HGL_NOR_BOOT_BASE 0xf4000000
#define LS_HGL_NOR_BOOT_SIZE SZ_256K
/*****************************************************************************
* 256KB NOR Flash on BOOT Device
****************************************************************************/
static struct physmap_flash_data ls_hgl_nor_flash_data = {
.width = 1,
};
static struct resource ls_hgl_nor_flash_resource = {
.flags = IORESOURCE_MEM,
.start = LS_HGL_NOR_BOOT_BASE,
.end = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1,
};
static struct platform_device ls_hgl_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &ls_hgl_nor_flash_data,
},
.num_resources = 1,
.resource = &ls_hgl_nor_flash_resource,
};
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data ls_hgl_eth_data = {
.phy_addr = 8,
};
/*****************************************************************************
* RTC 5C372a on I2C bus
****************************************************************************/
static struct i2c_board_info __initdata ls_hgl_i2c_rtc = {
I2C_BOARD_INFO("rs5c372a", 0x32),
};
/*****************************************************************************
* LEDs attached to GPIO
****************************************************************************/
#define LS_HGL_GPIO_LED_ALARM 2
#define LS_HGL_GPIO_LED_INFO 3
#define LS_HGL_GPIO_LED_FUNC 17
#define LS_HGL_GPIO_LED_PWR 0
static struct gpio_led ls_hgl_led_pins[] = {
{
.name = "alarm:red",
.gpio = LS_HGL_GPIO_LED_ALARM,
.active_low = 1,
}, {
.name = "info:amber",
.gpio = LS_HGL_GPIO_LED_INFO,
.active_low = 1,
}, {
.name = "func:blue:top",
.gpio = LS_HGL_GPIO_LED_FUNC,
.active_low = 1,
}, {
.name = "power:blue:bottom",
.gpio = LS_HGL_GPIO_LED_PWR,
},
};
static struct gpio_led_platform_data ls_hgl_led_data = {
.leds = ls_hgl_led_pins,
.num_leds = ARRAY_SIZE(ls_hgl_led_pins),
};
static struct platform_device ls_hgl_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &ls_hgl_led_data,
},
};
/****************************************************************************
* GPIO Attached Keys
****************************************************************************/
#define LS_HGL_GPIO_KEY_FUNC 15
#define LS_HGL_GPIO_KEY_POWER 8
#define LS_HGL_GPIO_KEY_AUTOPOWER 10
#define LS_HGL_SW_POWER 0x00
#define LS_HGL_SW_AUTOPOWER 0x01
static struct gpio_keys_button ls_hgl_buttons[] = {
{
.code = KEY_OPTION,
.gpio = LS_HGL_GPIO_KEY_FUNC,
.desc = "Function Button",
.active_low = 1,
}, {
.type = EV_SW,
.code = LS_HGL_SW_POWER,
.gpio = LS_HGL_GPIO_KEY_POWER,
.desc = "Power-on Switch",
.active_low = 1,
}, {
.type = EV_SW,
.code = LS_HGL_SW_AUTOPOWER,
.gpio = LS_HGL_GPIO_KEY_AUTOPOWER,
.desc = "Power-auto Switch",
.active_low = 1,
},
};
static struct gpio_keys_platform_data ls_hgl_button_data = {
.buttons = ls_hgl_buttons,
.nbuttons = ARRAY_SIZE(ls_hgl_buttons),
};
static struct platform_device ls_hgl_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &ls_hgl_button_data,
},
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data ls_hgl_sata_data = {
.n_ports = 2,
};
/*****************************************************************************
* Linkstation LS-HGL specific power off method: reboot
****************************************************************************/
/*
* On the Linkstation LS-HGL, 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 ls_hgl_power_off(void)
{
orion5x_restart('h', NULL);
}
/*****************************************************************************
* General Setup
****************************************************************************/
#define LS_HGL_GPIO_USB_POWER 9
#define LS_HGL_GPIO_AUTO_POWER 10
#define LS_HGL_GPIO_POWER 8
#define LS_HGL_GPIO_HDD_POWER 1
static unsigned int ls_hgl_mpp_modes[] __initdata = {
MPP0_GPIO, /* LED_PWR */
MPP1_GPIO, /* HDD_PWR */
MPP2_GPIO, /* LED_ALARM */
MPP3_GPIO, /* LED_INFO */
MPP4_UNUSED,
MPP5_UNUSED,
MPP6_GPIO, /* FAN_LCK */
MPP7_GPIO, /* INIT */
MPP8_GPIO, /* POWER */
MPP9_GPIO, /* USB_PWR */
MPP10_GPIO, /* AUTO_POWER */
MPP11_UNUSED, /* LED_ETH (dummy) */
MPP12_UNUSED,
MPP13_UNUSED,
MPP14_UNUSED,
MPP15_GPIO, /* FUNC */
MPP16_UNUSED,
MPP17_GPIO, /* LED_FUNC */
MPP18_UNUSED,
MPP19_UNUSED,
0,
};
static void __init ls_hgl_init(void)
{
/*
* Setup basic Orion functions. Need to be called early.
*/
orion5x_init();
orion5x_mpp_conf(ls_hgl_mpp_modes);
/*
* Configure peripherals.
*/
orion5x_ehci0_init();
orion5x_ehci1_init();
orion5x_eth_init(&ls_hgl_eth_data);
orion5x_i2c_init();
orion5x_sata_init(&ls_hgl_sata_data);
orion5x_uart0_init();
orion5x_xor_init();
orion5x_setup_dev_boot_win(LS_HGL_NOR_BOOT_BASE,
LS_HGL_NOR_BOOT_SIZE);
platform_device_register(&ls_hgl_nor_flash);
platform_device_register(&ls_hgl_button_device);
platform_device_register(&ls_hgl_leds);
i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1);
/* enable USB power */
gpio_set_value(LS_HGL_GPIO_USB_POWER, 1);
/* register power-off method */
pm_power_off = ls_hgl_power_off;
pr_info("%s: finished\n", __func__);
}
MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
/* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */
.atag_offset = 0x100,
.init_machine = ls_hgl_init,
.map_io = orion5x_map_io,
.init_early = orion5x_init_early,
.init_irq = orion5x_init_irq,
.timer = &orion5x_timer,
.fixup = tag_fixup_mem32,
.restart = orion5x_restart,
MACHINE_END
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