[PATCH 1/1] ARM Orion: added Buffalo LS-CHL support
From: Ash Hughes
Date: Mon Nov 22 2010 - 23:55:49 EST
Adds support for Buffalo Linkstation Live v3 (LS-CHL) NAS drives.
Signed-off-by: Ash Hughes <ashley.hughes@xxxxxxxxxxxxxxxx>
---
diff -uprN linux-2.6-vanilla//arch/arm/mach-orion5x/Kconfig linux-2.6/arch/arm/mach-orion5x/Kconfig
--- linux-2.6-vanilla//arch/arm/mach-orion5x/Kconfig 2010-11-14 10:58:39.000000000 +0000
+++ linux-2.6/arch/arm/mach-orion5x/Kconfig 2010-11-14 11:02:42.874582000 +0000
@@ -51,6 +51,13 @@ config MACH_LINKSTATION_PRO
Buffalo Linkstation Pro/Live platform. Both v1 and
v2 devices are supported.
+config MACH_LINKSTATION_LSCHL
+ bool "Buffalo Linkstation Live v3 (LS-CHL)"
+ select I2C_BOARDINFO
+ help
+ Say 'Y' here if you want your kernel to support the
+ Buffalo Linkstation Live v3 (LS-CHL) platform.
+
config MACH_LINKSTATION_MINI
bool "Buffalo Linkstation Mini"
select I2C_BOARDINFO
diff -uprN linux-2.6-vanilla//arch/arm/mach-orion5x/ls-chl-setup.c linux-2.6/arch/arm/mach-orion5x/ls-chl-setup.c
--- linux-2.6-vanilla//arch/arm/mach-orion5x/ls-chl-setup.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6/arch/arm/mach-orion5x/ls-chl-setup.c 2010-11-21 15:33:43.910827481 +0000
@@ -0,0 +1,329 @@
+/*
+ * arch/arm/mach-orion5x/ls-chl-setup.c
+ *
+ * Maintainer: Ash Hughes <ashley.hughes@xxxxxxxxxxxxxxxx>
+ *
+ * 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/gpio-fan.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-CHL Info
+ ****************************************************************************/
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define LSCHL_NOR_BOOT_BASE 0xf4000000
+#define LSCHL_NOR_BOOT_SIZE SZ_256K
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data lschl_nor_flash_data = {
+ .width = 1,
+};
+
+static struct resource lschl_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = LSCHL_NOR_BOOT_BASE,
+ .end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device lschl_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &lschl_nor_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &lschl_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data lschl_eth_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+static struct i2c_board_info __initdata lschl_i2c_rtc = {
+ I2C_BOARD_INFO("rs5c372a", 0x32),
+};
+
+/*****************************************************************************
+ * LEDs attached to GPIO
+ ****************************************************************************/
+
+#define LSCHL_GPIO_LED_ALARM 2
+#define LSCHL_GPIO_LED_INFO 3
+#define LSCHL_GPIO_LED_FUNC 17
+#define LSCHL_GPIO_LED_PWR 0
+
+static struct gpio_led lschl_led_pins[] = {
+ {
+ .name = "alarm:red",
+ .gpio = LSCHL_GPIO_LED_ALARM,
+ .active_low = 1,
+ }, {
+ .name = "info:amber",
+ .gpio = LSCHL_GPIO_LED_INFO,
+ .active_low = 1,
+ }, {
+ .name = "func:blue:top",
+ .gpio = LSCHL_GPIO_LED_FUNC,
+ .active_low = 1,
+ }, {
+ .name = "power:blue:bottom",
+ .gpio = LSCHL_GPIO_LED_PWR,
+ },
+};
+
+static struct gpio_led_platform_data lschl_led_data = {
+ .leds = lschl_led_pins,
+ .num_leds = ARRAY_SIZE(lschl_led_pins),
+};
+
+static struct platform_device lschl_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &lschl_led_data,
+ },
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data lschl_sata_data = {
+ .n_ports = 2,
+};
+
+/*****************************************************************************
+ * LS-CHL specific power off method: reboot
+ ****************************************************************************/
+/*
+ * On the LS-CHL, 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 lschl_power_off(void)
+{
+ arm_machine_restart('h', NULL);
+}
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+#define LSCHL_GPIO_USB_POWER 9
+#define LSCHL_GPIO_AUTO_POWER 17
+#define LSCHL_GPIO_POWER 18
+
+/****************************************************************************
+ * GPIO Attached Keys
+ ****************************************************************************/
+#define LSCHL_GPIO_KEY_FUNC 15
+#define LSCHL_GPIO_KEY_POWER 8
+#define LSCHL_GPIO_KEY_AUTOPOWER 10
+#define LSCHL_SW_POWER 0x00
+#define LSCHL_SW_AUTOPOWER 0x01
+#define LSCHL_SW_FUNC 0x02
+
+static struct gpio_keys_button lschl_buttons[] = {
+ {
+ .type = EV_SW,
+ .code = LSCHL_SW_POWER,
+ .gpio = LSCHL_GPIO_KEY_POWER,
+ .desc = "Power-on Switch",
+ .active_low = 1,
+ }, {
+ .type = EV_SW,
+ .code = LSCHL_SW_AUTOPOWER,
+ .gpio = LSCHL_GPIO_KEY_AUTOPOWER,
+ .desc = "Power-auto Switch",
+ .active_low = 1,
+ }, {
+ .type = EV_SW,
+ .code = LSCHL_SW_FUNC,
+ .gpio = LSCHL_GPIO_KEY_FUNC,
+ .desc = "Function Switch",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data lschl_button_data = {
+ .buttons = lschl_buttons,
+ .nbuttons = ARRAY_SIZE(lschl_buttons),
+};
+
+static struct platform_device lschl_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &lschl_button_data,
+ },
+};
+
+#define LSCHL_GPIO_HDD_POWER 1
+
+/****************************************************************************
+ * GPIO Fan
+ ****************************************************************************/
+
+#define LSCHL_GPIO_FAN_LOW 16
+#define LSCHL_GPIO_FAN_HIGH 14
+#define LSCHL_GPIO_FAN_LOCK 6
+
+static struct gpio_fan_alarm lschl_alarm = {
+ .gpio = LSCHL_GPIO_FAN_LOCK,
+ .active_low = 0,
+};
+
+static struct gpio_fan_speed lschl_speeds[] = {
+ {
+ .rpm = 0,
+ .ctrl_val = 3,
+ }, {
+ .rpm = 1,
+ .ctrl_val = 2,
+ }, {
+ .rpm = 2,
+ .ctrl_val = 1,
+ }, {
+ .rpm = 3,
+ .ctrl_val = 0,
+ },
+};
+
+static int lschl_gpio_list[] = {
+ LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
+};
+
+static struct gpio_fan_platform_data lschl_fan_data = {
+ .num_ctrl = 2,
+ .ctrl = lschl_gpio_list,
+ .alarm = &lschl_alarm,
+ .num_speed = 4,
+ .speed = lschl_speeds,
+};
+
+static struct platform_device lschl_fan_device = {
+ .name = "gpio-fan",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &lschl_fan_data,
+ },
+};
+
+/****************************************************************************
+ * GPIO Data
+ ****************************************************************************/
+
+static struct orion5x_mpp_mode lschl_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* LED POWER */
+ { 1, MPP_GPIO }, /* HDD POWER */
+ { 2, MPP_GPIO }, /* LED ALARM */
+ { 3, MPP_GPIO }, /* LED INFO */
+ { 4, MPP_UNUSED },
+ { 5, MPP_UNUSED },
+ { 6, MPP_GPIO }, /* FAN LOCK */
+ { 7, MPP_GPIO }, /* SW INIT */
+ { 8, MPP_GPIO }, /* SW POWER */
+ { 9, MPP_GPIO }, /* USB POWER */
+ { 10, MPP_GPIO }, /* SW AUTO POWER */
+ { 11, MPP_UNUSED },
+ { 12, MPP_UNUSED },
+ { 13, MPP_UNUSED },
+ { 14, MPP_GPIO }, /* FAN HIGH */
+ { 15, MPP_GPIO }, /* SW FUNC */
+ { 16, MPP_GPIO }, /* FAN LOW */
+ { 17, MPP_GPIO }, /* LED FUNC */
+ { 18, MPP_UNUSED },
+ { 19, MPP_UNUSED },
+ { -1 },
+};
+
+static void __init lschl_init(void)
+{
+ /*
+ * Setup basic Orion functions. Needs to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(lschl_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&lschl_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&lschl_sata_data);
+ orion5x_uart0_init();
+ orion5x_xor_init();
+
+ orion5x_setup_dev_boot_win(LSCHL_NOR_BOOT_BASE,
+ LSCHL_NOR_BOOT_SIZE);
+ platform_device_register(&lschl_nor_flash);
+
+ platform_device_register(&lschl_leds);
+
+ platform_device_register(&lschl_button_device);
+
+ platform_device_register(&lschl_fan_device);
+
+ i2c_register_board_info(0, &lschl_i2c_rtc, 1);
+
+ /* usb power on */
+ gpio_set_value(LSCHL_GPIO_USB_POWER, 1);
+
+ /* register power-off method */
+ pm_power_off = lschl_power_off;
+
+ pr_info("%s: finished\n", __func__);
+}
+
+MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
+ /* Maintainer: Ash Hughes <ashley.hughes@xxxxxxxxxxxxxxxx> */
+ .boot_params = 0x00000100,
+ .init_machine = lschl_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
+
diff -uprN linux-2.6-vanilla//arch/arm/mach-orion5x/Makefile linux-2.6/arch/arm/mach-orion5x/Makefile
--- linux-2.6-vanilla//arch/arm/mach-orion5x/Makefile 2010-11-14 10:58:39.000000000 +0000
+++ linux-2.6/arch/arm/mach-orion5x/Makefile 2010-11-14 11:03:34.444582001 +0000
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_WNR854T) += wnr854t-se
obj-$(CONFIG_MACH_RD88F5181L_GE) += rd88f5181l-ge-setup.o
obj-$(CONFIG_MACH_RD88F5181L_FXO) += rd88f5181l-fxo-setup.o
obj-$(CONFIG_MACH_RD88F6183AP_GE) += rd88f6183ap-ge-setup.o
+obj-$(CONFIG_MACH_LINKSTATION_LSCHL) += ls-chl-setup.o
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