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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>
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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>
# include <mach/orion5x.h>
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# include "common.h"
# include "mpp.h"
/*****************************************************************************
* Linkstation LS - HGL Info
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* 256 K NOR flash Device bus boot chip select
*/
# define LS_HGL_NOR_BOOT_BASE 0xf4000000
# define LS_HGL_NOR_BOOT_SIZE SZ_256K
/*****************************************************************************
* 256 KB 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 5 C372a 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 )
{
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arm_machine_restart ( ' h ' , NULL ) ;
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}
/*****************************************************************************
* 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 struct orion5x_mpp_mode ls_hgl_mpp_modes [ ] __initdata = {
{ 0 , MPP_GPIO } , /* LED_PWR */
{ 1 , MPP_GPIO } , /* HDD_PWR */
{ 2 , MPP_GPIO } , /* LED_ALARM */
{ 3 , MPP_GPIO } , /* LED_INFO */
{ 4 , MPP_UNUSED } ,
{ 5 , MPP_UNUSED } ,
{ 6 , MPP_GPIO } , /* FAN_LCK */
{ 7 , MPP_GPIO } , /* INIT */
{ 8 , MPP_GPIO } , /* POWER */
{ 9 , MPP_GPIO } , /* USB_PWR */
{ 10 , MPP_GPIO } , /* AUTO_POWER */
{ 11 , MPP_UNUSED } , /* LED_ETH (dummy) */
{ 12 , MPP_UNUSED } ,
{ 13 , MPP_UNUSED } ,
{ 14 , MPP_UNUSED } ,
{ 15 , MPP_GPIO } , /* FUNC */
{ 16 , MPP_UNUSED } ,
{ 17 , MPP_GPIO } , /* LED_FUNC */
{ 18 , MPP_UNUSED } ,
{ 19 , MPP_UNUSED } ,
{ - 1 } ,
} ;
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> */
. boot_params = 0x00000100 ,
. init_machine = ls_hgl_init ,
. map_io = orion5x_map_io ,
. init_irq = orion5x_init_irq ,
. timer = & orion5x_timer ,
. fixup = tag_fixup_mem32 ,
MACHINE_END
