Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits)
  ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock
  ARM: S3C2443: Remove #if 0 for clk_mpll
  ARM: S3C2443: Update notes on MPLLREF clock
  ARM: S3C2443: Further clksrc-clk conversions
  ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation
  USB: Fix s3c-hsotg build following Samsung platform header moves
  ARM: S3C64XX: Reintroduce unconditional build of audio device
  ARM: 5961/1: ux500: fix CLKRST addresses
  ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted
  ASoC: Fix S3C64xx IIS driver for Samsung header reorg
  ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support
  [ARM] pxa: fix typo in mxm8x10.h
  [ARM] pxa/raumfeld: set GPIO drive bits for LED pins
  [ARM] pxa/zeus: Add support for mcp2515 CAN bus
  [ARM] pxa/zeus: Add support for onboard max6369 watchdog
  [ARM] pxa/zeus: Add Eurotech as the manufacturer
  [ARM] pxa/zeus: Correct the USB host initialisation flags
  [ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress
  [ARM] pxa: refactor uncompress.h for non-PXA uarts
  [ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs
  ...

7 files changed, 344 insertions, 33 deletions

diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index c3d513cad5ac..905719a677ae 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 89772fcd65c7..eb6eabcb41e4 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/common.c b/arch/arm/mach-orion5x/common.c
index f87fa1253803..8dc2c76d2260 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -488,7 +488,7 @@ static struct platform_device orion5x_xor0_channel = {
 	.dev		= {
 		.dma_mask		= &orion5x_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&orion5x_xor0_data,
+		.platform_data		= &orion5x_xor0_data,
 	},
 };
 
@@ -514,7 +514,7 @@ static struct platform_device orion5x_xor1_channel = {
 	.dev		= {
 		.dma_mask		= &orion5x_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&orion5x_xor1_data,
+		.platform_data		= &orion5x_xor1_data,
 	},
 };
 
diff --git a/arch/arm/mach-orion5x/d2net-setup.c b/arch/arm/mach-orion5x/d2net-setup.c
index 9d4bf763f25b..7130904ad999 100644
--- a/arch/arm/mach-orion5x/d2net-setup.c
+++ b/arch/arm/mach-orion5x/d2net-setup.c
@@ -149,10 +149,7 @@ static void __init d2net_sata_power_init(void)
 
 /*
  * The blue front LED is wired to the CPLD and can blink in relation with the
- * SATA activity. This feature is disabled to make this LED compatible with
- * the leds-gpio driver: MPP14 and MPP15 are configured to act like output
- * GPIO's and have to stay in an active state. This is needed to set the blue
- * LED in a "fix on" state regardless of the SATA activity.
+ * SATA activity.
  *
  * The following array detail the different LED registers and the combination
  * of their possible values:
@@ -171,12 +168,11 @@ static void __init d2net_sata_power_init(void)
 #define D2NET_GPIO_RED_LED		6
 #define D2NET_GPIO_BLUE_LED_BLINK_CTRL	16
 #define D2NET_GPIO_BLUE_LED_OFF		23
-#define D2NET_GPIO_SATA0_ACT		14
-#define D2NET_GPIO_SATA1_ACT		15
 
 static struct gpio_led d2net_leds[] = {
 	{
-		.name = "d2net:blue:power",
+		.name = "d2net:blue:sata",
+		.default_trigger = "default-on",
 		.gpio = D2NET_GPIO_BLUE_LED_OFF,
 		.active_low = 1,
 	},
@@ -201,25 +197,22 @@ static struct platform_device d2net_gpio_leds = {
 
 static void __init d2net_gpio_leds_init(void)
 {
+	int err;
+
 	/* Configure GPIO over MPP max number. */
 	orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
 
-	if (gpio_request(D2NET_GPIO_SATA0_ACT, "LED SATA0 activity") != 0)
-		return;
-	if (gpio_direction_output(D2NET_GPIO_SATA0_ACT, 1) != 0)
-		goto err_free_1;
-	if (gpio_request(D2NET_GPIO_SATA1_ACT, "LED SATA1 activity") != 0)
-		goto err_free_1;
-	if (gpio_direction_output(D2NET_GPIO_SATA1_ACT, 1) != 0)
-		goto err_free_2;
-	platform_device_register(&d2net_gpio_leds);
-	return;
+	/* Configure register blink_ctrl to allow SATA activity LED blinking. */
+	err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
+	if (err == 0) {
+		err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
+		if (err)
+			gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
+	}
+	if (err)
+		pr_err("d2net: failed to configure blue LED blink GPIO\n");
 
-err_free_2:
-	gpio_free(D2NET_GPIO_SATA1_ACT);
-err_free_1:
-	gpio_free(D2NET_GPIO_SATA0_ACT);
-	return;
+	platform_device_register(&d2net_gpio_leds);
 }
 
 /****************************************************************************
@@ -289,8 +282,8 @@ static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
 	{ 11, MPP_UNUSED },
 	{ 12, MPP_GPIO },	/* SATA 1 power */
 	{ 13, MPP_UNUSED },
-	{ 14, MPP_GPIO },	/* SATA 0 active */
-	{ 15, MPP_GPIO },	/* SATA 1 active */
+	{ 14, MPP_SATA_LED },	/* SATA 0 active */
+	{ 15, MPP_SATA_LED },	/* SATA 1 active */
 	{ 16, MPP_GPIO },	/* Blue front LED blink control */
 	{ 17, MPP_UNUSED },
 	{ 18, MPP_GPIO },	/* Front button (0 = Released, 1 = Pushed ) */
@@ -301,6 +294,8 @@ static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
 	/* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
 };
 
+#define D2NET_GPIO_INHIBIT_POWER_OFF    24
+
 static void __init d2net_init(void)
 {
 	/*
@@ -333,6 +328,8 @@ static void __init d2net_init(void)
 
 	i2c_register_board_info(0, d2net_i2c_devices,
 				ARRAY_SIZE(d2net_i2c_devices));
+
+	orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1);
 }
 
 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index 8f159db4d08a..421b82f7c63d 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -34,7 +34,8 @@
 #define DNS323_GPIO_LED_RIGHT_AMBER	1
 #define DNS323_GPIO_LED_LEFT_AMBER	2
 #define DNS323_GPIO_SYSTEM_UP		3
-#define DNS323_GPIO_LED_POWER		5
+#define DNS323_GPIO_LED_POWER1		4
+#define DNS323_GPIO_LED_POWER2		5
 #define DNS323_GPIO_OVERTEMP		6
 #define DNS323_GPIO_RTC			7
 #define DNS323_GPIO_POWER_OFF		8
@@ -237,11 +238,31 @@ error_fail:
  * GPIO LEDs (simple - doesn't use hardware blinking support)
  */
 
+#define ORION_BLINK_HALF_PERIOD 100 /* ms */
+
+static int dns323_gpio_blink_set(unsigned gpio,
+	unsigned long *delay_on, unsigned long *delay_off)
+{
+	static int value = 0;
+
+	if (!*delay_on && !*delay_off)
+		*delay_on = *delay_off = ORION_BLINK_HALF_PERIOD;
+
+	if (ORION_BLINK_HALF_PERIOD == *delay_on
+	    && ORION_BLINK_HALF_PERIOD == *delay_off) {
+		value = !value;
+		orion_gpio_set_blink(gpio, value);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 static struct gpio_led dns323_leds[] = {
 	{
 		.name = "power:blue",
-		.gpio = DNS323_GPIO_LED_POWER,
-		.default_state = LEDS_GPIO_DEFSTATE_ON,
+		.gpio = DNS323_GPIO_LED_POWER2,
+		.default_trigger = "timer",
 	}, {
 		.name = "right:amber",
 		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
@@ -256,6 +277,7 @@ static struct gpio_led dns323_leds[] = {
 static struct gpio_led_platform_data dns323_led_data = {
 	.num_leds	= ARRAY_SIZE(dns323_leds),
 	.leds		= dns323_leds,
+	.gpio_blink_set = dns323_gpio_blink_set,
 };
 
 static struct platform_device dns323_gpio_leds = {
@@ -412,6 +434,14 @@ static void __init dns323_init(void)
 	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
 	platform_device_register(&dns323_nor_flash);
 
+	/* The 5181 power LED is active low and requires
+	 * DNS323_GPIO_LED_POWER1 to also be low.
+	 */
+	if (dns323_dev_id() == MV88F5181_DEV_ID) {
+		dns323_leds[0].active_low = 1;
+		gpio_direction_output(DNS323_GPIO_LED_POWER1, 0);
+	}
+
 	platform_device_register(&dns323_gpio_leds);
 
 	platform_device_register(&dns323_button_device);
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 000000000000..8e569be6e2c7
--- /dev/null
+++ b/arch/arm/mach-orion5x/ls_hgl-setup.c
@@ -0,0 +1,276 @@
+/*
+ * 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>
+#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-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)
+{
+	arm_machine_restart('h', 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__);
+}
+
+MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
+	/* Maintainer: Zhu Qingsen <zhuqs@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
diff --git a/arch/arm/mach-orion5x/lsmini-setup.c b/arch/arm/mach-orion5x/lsmini-setup.c
index c9bf6b81a80d..c704f056de1e 100644
--- a/arch/arm/mach-orion5x/lsmini-setup.c
+++ b/arch/arm/mach-orion5x/lsmini-setup.c
@@ -11,7 +11,6 @@
 #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>
@@ -19,12 +18,13 @@
 #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-types.h>
 #include <asm/mach/arch.h>
+#include <asm/system.h>
+#include <mach/orion5x.h>
 #include "common.h"
 #include "mpp.h"
-#include "include/mach/system.h"
 
 /*****************************************************************************
  * Linkstation Mini Info
@@ -186,7 +186,7 @@ static struct mv_sata_platform_data lsmini_sata_data = {
 
 static void lsmini_power_off(void)
 {
-	arch_reset(0, NULL);
+	arm_machine_restart('h', NULL);
 }