[PATCH v2] ARM: kirkwood: Add support for Buffalo LS-XHL
Michael Walle
michael at walle.cc
Thu Jun 9 17:38:08 EDT 2011
Add support for the Buffalo Linkstation XHL. This NAS box is based on a
Marvell Kirkwood chip at 1.2 GHz and features 256 MB RAM, 512kb SPI boot
flash, gigabit ethernet and one SATA port.
Signed-off-by: Michael Walle <michael at walle.cc>
---
arch/arm/configs/kirkwood_defconfig | 1 +
arch/arm/mach-kirkwood/Kconfig | 6 +
arch/arm/mach-kirkwood/Makefile | 1 +
arch/arm/mach-kirkwood/lsxhl-setup.c | 313 ++++++++++++++++++++++++++++++++++
arch/arm/tools/mach-types | 1 +
5 files changed, 322 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-kirkwood/lsxhl-setup.c
diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig
index aeb3af5..9f77811 100644
--- a/arch/arm/configs/kirkwood_defconfig
+++ b/arch/arm/configs/kirkwood_defconfig
@@ -28,6 +28,7 @@ CONFIG_MACH_D2NET_V2=y
CONFIG_MACH_NET2BIG_V2=y
CONFIG_MACH_NET5BIG_V2=y
CONFIG_MACH_T5325=y
+CONFIG_MACH_LSXHL=y
# CONFIG_CPU_FEROCEON_OLD_ID is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 7fc603b..307cc99 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -130,6 +130,12 @@ config MACH_T5325
Say 'Y' here if you want your kernel to support the
HP t5325 Thin Client.
+config MACH_LSXHL
+ bool "Buffalo LS-XHL Series"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Buffalo LS-XHL Series.
+
endmenu
endif
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 5dcaa81..221980b 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -18,5 +18,6 @@ obj-$(CONFIG_MACH_D2NET_V2) += d2net_v2-setup.o lacie_v2-common.o
obj-$(CONFIG_MACH_NET2BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o
obj-$(CONFIG_MACH_NET5BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o
obj-$(CONFIG_MACH_T5325) += t5325-setup.o
+obj-$(CONFIG_MACH_LSXHL) += lsxhl-setup.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
diff --git a/arch/arm/mach-kirkwood/lsxhl-setup.c b/arch/arm/mach-kirkwood/lsxhl-setup.c
new file mode 100644
index 0000000..783d257
--- /dev/null
+++ b/arch/arm/mach-kirkwood/lsxhl-setup.c
@@ -0,0 +1,313 @@
+/*
+ * arch/arm/mach-kirkwood/lsxhl-setup.c
+ *
+ * Buffalo LS-XHL Series Setup
+ *
+ * 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/ata_platform.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio-fan.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/kirkwood.h>
+#include <plat/mvsdio.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * 512KB SPI Flash on BOOT Device
+ ****************************************************************************/
+static struct mtd_partition lsxhl_partitions[] = {
+ {
+ .name = "u-boot",
+ .size = 0x70000,
+ .offset = 0x00000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "u-boot env",
+ .size = 0x10000,
+ .offset = 0x70000,
+ }
+};
+
+static struct flash_platform_data lsxhl_spi_slave_data = {
+ .type = "m25p40",
+ .parts = lsxhl_partitions,
+ .nr_parts = ARRAY_SIZE(lsxhl_partitions),
+};
+
+static struct spi_board_info __initdata lsxhl_spi_slave_info[] = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &lsxhl_spi_slave_data,
+ .irq = -1,
+ .max_speed_hz = 20000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ }
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+static struct mv643xx_eth_platform_data lsxhl_ge00_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(0),
+};
+
+static struct mv643xx_eth_platform_data lsxhl_ge01_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data lsxhl_sata_data = {
+ .n_ports = 1,
+};
+
+/*****************************************************************************
+ * LEDs attached to GPIO
+ ****************************************************************************/
+#define LSXHL_GPIO_LED_ALARM 37
+#define LSXHL_GPIO_LED_INFO 38
+#define LSXHL_GPIO_LED_PWR 39
+#define LSXHL_GPIO_LED_FUNC_BLUE 36
+#define LSXHL_GPIO_LED_FUNC_RED 48
+
+static struct gpio_led lsxhl_led_pins[] = {
+ {
+ .name = "alarm:red",
+ .gpio = LSXHL_GPIO_LED_ALARM,
+ .active_low = 1,
+ },
+ {
+ .name = "info:amber",
+ .gpio = LSXHL_GPIO_LED_INFO,
+ .active_low = 1,
+ },
+ {
+ .name = "power:blue",
+ .default_trigger = "default-on",
+ .gpio = LSXHL_GPIO_LED_PWR,
+ .active_low = 1,
+ },
+ {
+ .name = "func:blue:bottom",
+ .gpio = LSXHL_GPIO_LED_FUNC_BLUE,
+ .active_low = 1,
+ },
+ {
+ .name = "func:red:bottom",
+ .gpio = LSXHL_GPIO_LED_FUNC_RED,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data lsxhl_led_data = {
+ .leds = lsxhl_led_pins,
+ .num_leds = ARRAY_SIZE(lsxhl_led_pins),
+};
+
+static struct platform_device lsxhl_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &lsxhl_led_data,
+ }
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+#define LSXHL_GPIO_HDD_POWER 10
+#define LSXHL_GPIO_USB_POWER 11
+
+/*****************************************************************************
+ * GPIO Attached Keys
+ ****************************************************************************/
+#define LSXHL_GPIO_KEY_FUNC 41
+#define LSXHL_GPIO_KEY_AUTOPOWER 42
+#define LSXHL_GPIO_KEY_POWER 43
+#define LSXHL_SW_POWER 0x00
+#define LSXHL_SW_AUTOPOWER 0x01
+#define LSXHL_SW_FUNC 0x02
+
+static struct gpio_keys_button lsxhl_buttons[] = {
+ {
+ .type = EV_SW,
+ .code = LSXHL_SW_POWER,
+ .gpio = LSXHL_GPIO_KEY_POWER,
+ .desc = "Power-on Switch",
+ .active_low = 1,
+ }, {
+ .type = EV_SW,
+ .code = LSXHL_SW_AUTOPOWER,
+ .gpio = LSXHL_GPIO_KEY_AUTOPOWER,
+ .desc = "Power-auto Switch",
+ .active_low = 1,
+ }, {
+ .type = EV_SW,
+ .code = LSXHL_SW_POWER,
+ .gpio = LSXHL_GPIO_KEY_FUNC,
+ .desc = "Function Button",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data lsxhl_button_data = {
+ .buttons = lsxhl_buttons,
+ .nbuttons = ARRAY_SIZE(lsxhl_buttons),
+};
+
+static struct platform_device lsxhl_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &lsxhl_button_data,
+ },
+};
+
+/*****************************************************************************
+ * GPIO Fan
+ ****************************************************************************/
+#define LSXHL_GPIO_FAN_HIGH 18
+#define LSXHL_GPIO_FAN_LOW 19
+#define LSXHL_GPIO_FAN_LOCK 40
+
+static struct gpio_fan_alarm lsxhl_alarm = {
+ .gpio = LSXHL_GPIO_FAN_LOCK,
+};
+
+static struct gpio_fan_speed lsxhl_speeds[] = {
+ {
+ .rpm = 0,
+ .ctrl_val = 3,
+ }, {
+ .rpm = 1500,
+ .ctrl_val = 1,
+ }, {
+ .rpm = 3250,
+ .ctrl_val = 2,
+ }, {
+ .rpm = 5000,
+ .ctrl_val = 0,
+ }
+};
+
+static int lsxhl_gpio_list[] = {
+ LSXHL_GPIO_FAN_HIGH, LSXHL_GPIO_FAN_LOW,
+};
+
+static struct gpio_fan_platform_data lsxhl_fan_data = {
+ .num_ctrl = ARRAY_SIZE(lsxhl_gpio_list),
+ .ctrl = lsxhl_gpio_list,
+ .alarm = &lsxhl_alarm,
+ .num_speed = ARRAY_SIZE(lsxhl_speeds),
+ .speed = lsxhl_speeds,
+};
+
+static struct platform_device lsxhl_fan_device = {
+ .name = "gpio-fan",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &lsxhl_fan_data,
+ },
+};
+
+/*****************************************************************************
+ * GPIO Data
+ ****************************************************************************/
+
+static unsigned int lsxhl_mpp_config[] __initdata = {
+ MPP10_GPO, /* HDD Power Enable */
+ MPP11_GPIO, /* USB Vbus Enable */
+ MPP18_GPO, /* FAN High Enable# */
+ MPP19_GPO, /* FAN Low Enable# */
+ MPP36_GPIO, /* Function Blue LED */
+ MPP37_GPIO, /* Alarm LED */
+ MPP38_GPIO, /* Info LED */
+ MPP39_GPIO, /* Power LED */
+ MPP40_GPIO, /* Fan Lock */
+ MPP41_GPIO, /* Function Button */
+ MPP42_GPIO, /* Power Switch */
+ MPP43_GPIO, /* Power Auto Switch */
+ MPP48_GPIO, /* Function Red LED */
+ 0
+};
+
+/*****************************************************************************
+ * LS-XHL specific power off method: reboot
+ ****************************************************************************/
+/*
+ * On the LS-XHL, 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 lsxhl_power_off(void)
+{
+ arm_machine_restart('h', NULL);
+}
+
+static void __init lsxhl_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ kirkwood_init();
+ kirkwood_mpp_conf(lsxhl_mpp_config);
+
+ /*
+ * Configure peripherals.
+ */
+ kirkwood_uart0_init();
+ kirkwood_ehci_init();
+ kirkwood_ge00_init(&lsxhl_ge00_data);
+ kirkwood_ge01_init(&lsxhl_ge01_data);
+ kirkwood_sata_init(&lsxhl_sata_data);
+ kirkwood_spi_init();
+
+ platform_device_register(&lsxhl_leds);
+ platform_device_register(&lsxhl_button_device);
+ platform_device_register(&lsxhl_fan_device);
+
+ spi_register_board_info(lsxhl_spi_slave_info,
+ ARRAY_SIZE(lsxhl_spi_slave_info));
+
+ /* usb power on */
+ gpio_set_value(LSXHL_GPIO_USB_POWER, 1);
+
+ /* register power-off method */
+ pm_power_off = lsxhl_power_off;
+
+ pr_info("%s: finished\n", __func__);
+}
+
+MACHINE_START(LSXHL, "Buffalo LS-XHL Series")
+ .boot_params = 0x00000100,
+ .init_machine = lsxhl_init,
+ .map_io = kirkwood_map_io,
+ .init_early = kirkwood_init_early,
+ .init_irq = kirkwood_init_irq,
+ .timer = &kirkwood_timer,
+MACHINE_END
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 3b3776d..8acc587 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -448,6 +448,7 @@ mityomapl138 MACH_MITYOMAPL138 MITYOMAPL138 2650
guruplug MACH_GURUPLUG GURUPLUG 2659
spear310 MACH_SPEAR310 SPEAR310 2660
spear320 MACH_SPEAR320 SPEAR320 2661
+lsxhl MACH_LSXHL LSXHL 2663
aquila MACH_AQUILA AQUILA 2676
sheeva_esata MACH_ESATA_SHEEVAPLUG ESATA_SHEEVAPLUG 2678
msm7x30_surf MACH_MSM7X30_SURF MSM7X30_SURF 2679
--
1.7.2.3
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