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278 lines
7.1 KiB
278 lines
7.1 KiB
/* |
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* arch/arm/mach-orion5x/ls_hgl-setup.c |
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* |
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* Maintainer: Zhu Qingsen <[email protected]> |
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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/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 "common.h" |
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#include "mpp.h" |
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#include "orion5x.h" |
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/***************************************************************************** |
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* Linkstation LS-HGL 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 LS_HGL_NOR_BOOT_BASE 0xf4000000 |
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#define LS_HGL_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 ls_hgl_nor_flash_data = { |
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.width = 1, |
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}; |
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static struct resource ls_hgl_nor_flash_resource = { |
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.flags = IORESOURCE_MEM, |
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.start = LS_HGL_NOR_BOOT_BASE, |
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.end = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1, |
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}; |
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static struct platform_device ls_hgl_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 = &ls_hgl_nor_flash_data, |
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}, |
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.num_resources = 1, |
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.resource = &ls_hgl_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 ls_hgl_eth_data = { |
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.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 ls_hgl_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 LS_HGL_GPIO_LED_ALARM 2 |
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#define LS_HGL_GPIO_LED_INFO 3 |
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#define LS_HGL_GPIO_LED_FUNC 17 |
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#define LS_HGL_GPIO_LED_PWR 0 |
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static struct gpio_led ls_hgl_led_pins[] = { |
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{ |
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.name = "alarm:red", |
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.gpio = LS_HGL_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 = LS_HGL_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 = LS_HGL_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 = LS_HGL_GPIO_LED_PWR, |
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}, |
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}; |
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static struct gpio_led_platform_data ls_hgl_led_data = { |
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.leds = ls_hgl_led_pins, |
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.num_leds = ARRAY_SIZE(ls_hgl_led_pins), |
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}; |
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static struct platform_device ls_hgl_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 = &ls_hgl_led_data, |
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}, |
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}; |
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/**************************************************************************** |
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* GPIO Attached Keys |
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****************************************************************************/ |
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#define LS_HGL_GPIO_KEY_FUNC 15 |
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#define LS_HGL_GPIO_KEY_POWER 8 |
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#define LS_HGL_GPIO_KEY_AUTOPOWER 10 |
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#define LS_HGL_SW_POWER 0x00 |
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#define LS_HGL_SW_AUTOPOWER 0x01 |
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static struct gpio_keys_button ls_hgl_buttons[] = { |
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{ |
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.code = KEY_OPTION, |
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.gpio = LS_HGL_GPIO_KEY_FUNC, |
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.desc = "Function Button", |
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.active_low = 1, |
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}, { |
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.type = EV_SW, |
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.code = LS_HGL_SW_POWER, |
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.gpio = LS_HGL_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 = LS_HGL_SW_AUTOPOWER, |
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.gpio = LS_HGL_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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}; |
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static struct gpio_keys_platform_data ls_hgl_button_data = { |
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.buttons = ls_hgl_buttons, |
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.nbuttons = ARRAY_SIZE(ls_hgl_buttons), |
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}; |
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static struct platform_device ls_hgl_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 = &ls_hgl_button_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 ls_hgl_sata_data = { |
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.n_ports = 2, |
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}; |
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/***************************************************************************** |
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* Linkstation LS-HGL specific power off method: reboot |
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****************************************************************************/ |
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/* |
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* On the Linkstation LS-HGL, 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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static void ls_hgl_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 LS_HGL_GPIO_USB_POWER 9 |
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#define LS_HGL_GPIO_AUTO_POWER 10 |
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#define LS_HGL_GPIO_POWER 8 |
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#define LS_HGL_GPIO_HDD_POWER 1 |
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static unsigned int ls_hgl_mpp_modes[] __initdata = { |
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MPP0_GPIO, /* LED_PWR */ |
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MPP1_GPIO, /* HDD_PWR */ |
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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_LCK */ |
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MPP7_GPIO, /* INIT */ |
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MPP8_GPIO, /* POWER */ |
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MPP9_GPIO, /* USB_PWR */ |
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MPP10_GPIO, /* AUTO_POWER */ |
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MPP11_UNUSED, /* LED_ETH (dummy) */ |
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MPP12_UNUSED, |
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MPP13_UNUSED, |
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MPP14_UNUSED, |
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MPP15_GPIO, /* FUNC */ |
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MPP16_UNUSED, |
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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 ls_hgl_init(void) |
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{ |
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/* |
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* Setup basic Orion functions. Need to be called early. |
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*/ |
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orion5x_init(); |
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orion5x_mpp_conf(ls_hgl_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(&ls_hgl_eth_data); |
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orion5x_i2c_init(); |
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orion5x_sata_init(&ls_hgl_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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LS_HGL_NOR_BOOT_BASE, |
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LS_HGL_NOR_BOOT_SIZE); |
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platform_device_register(&ls_hgl_nor_flash); |
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platform_device_register(&ls_hgl_button_device); |
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platform_device_register(&ls_hgl_leds); |
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i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1); |
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/* enable USB power */ |
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gpio_set_value(LS_HGL_GPIO_USB_POWER, 1); |
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/* register power-off method */ |
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pm_power_off = ls_hgl_power_off; |
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pr_info("%s: finished\n", __func__); |
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} |
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MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL") |
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/* Maintainer: Zhu Qingsen <[email protected]> */ |
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.atag_offset = 0x100, |
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.nr_irqs = ORION5X_NR_IRQS, |
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.init_machine = ls_hgl_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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