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From: Zhu Qingsen on 24 Jan 2010 21:40
This patch adds support for Buffalo Linkstation LS-HGL platform.

Signed-off-by: Zhu Qingsen <zhuqs(a)cn.fujitsu.com>
---
arch/arm/configs/orion5x_defconfig | 1 +
arch/arm/mach-orion5x/Kconfig | 7 +
arch/arm/mach-orion5x/Makefile | 1 +
arch/arm/mach-orion5x/ls_hgl-setup.c | 278 ++++++++++++++++++++++++++++++++++
4 files changed, 287 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-orion5x/ls_hgl-setup.c

diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig
index 85b05d3..eacc9e9 100644
--- a/arch/arm/configs/orion5x_defconfig
+++ b/arch/arm/configs/orion5x_defconfig
@@ -192,6 +192,7 @@ CONFIG_MACH_TS209=y
CONFIG_MACH_TERASTATION_PRO2=y
CONFIG_MACH_LINKSTATION_PRO=y
CONFIG_MACH_LINKSTATION_MINI=y
+CONFIG_MACH_LINKSTATION_LS_HGL=y
CONFIG_MACH_TS409=y
CONFIG_MACH_WRT350N_V2=y
CONFIG_MACH_TS78XX=y
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index c3d513c..905719a 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -57,6 +57,13 @@ config MACH_LINKSTATION_MINI
Say 'Y' here if you want your kernel to support the
Buffalo Linkstation Mini platform.

+config MACH_LINKSTATION_LS_HGL
+ bool "Buffalo Linkstation LS-HGL"
+ select I2C_BOARDINFO
+ help
+ Say 'Y' here if you want your kernel to support the
+ Buffalo Linkstation LS-HGL platform.
+
config MACH_TS409
bool "QNAP TS-409"
help
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 89772fc..eb6eabc 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_TERASTATION_PRO2) += terastation_pro2-setup.o
obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_LINKSTATION_MINI) += lsmini-setup.o
+obj-$(CONFIG_MACH_LINKSTATION_LS_HGL) += ls_hgl-setup.o
obj-$(CONFIG_MACH_DNS323) += dns323-setup.o
obj-$(CONFIG_MACH_TS209) += ts209-setup.o tsx09-common.o
obj-$(CONFIG_MACH_TS409) += ts409-setup.o tsx09-common.o
diff --git a/arch/arm/mach-orion5x/ls_hgl-setup.c b/arch/arm/mach-orion5x/ls_hgl-setup.c
new file mode 100644
index 0000000..c3bb87d
--- /dev/null
+++ b/arch/arm/mach-orion5x/ls_hgl-setup.c
@@ -0,0 +1,278 @@
+/*
+ * arch/arm/mach-orion5x/ls_hgl-setup.c
+ *
+ * Maintainer: Zhu Qingsen <zhuqs(a)cn.fujistu.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/pci.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 <asm/mach-types.h>
+#include <linux/gpio.h>
+#include <asm/mach/arch.h>
+#include "common.h"
+#include "mpp.h"
+#include "include/mach/system.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)
+{
+ arch_reset(0, 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 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__);
+}
+
+#ifdef CONFIG_MACH_LINKSTATION_LS_HGL
+MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
+ /* Maintainer: Zhu Qingsen <zhuqs(a)cn.fujistu.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .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
+#endif
--
1.6.5


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Prev: HDA Intel Audio hang on boot
Next: ftrace: Release the function hlist if we don't need it anymore