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-rw-r--r--arch/arm/plat-s3c/include/plat/adc.h10
-rw-r--r--arch/arm/plat-s3c/include/plat/clock.h1
-rw-r--r--arch/arm/plat-s3c/include/plat/cpu.h3
-rw-r--r--arch/arm/plat-s3c/include/plat/devs.h6
-rw-r--r--arch/arm/plat-s3c/include/plat/dma-core.h22
-rw-r--r--arch/arm/plat-s3c/include/plat/dma.h127
-rw-r--r--arch/arm/plat-s3c/include/plat/gpio-core.h30
-rw-r--r--arch/arm/plat-s3c/include/plat/pm.h15
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-serial.h5
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h50
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h377
-rw-r--r--arch/arm/plat-s3c/include/plat/sdhci.h50
-rw-r--r--arch/arm/plat-s3c/include/plat/udc-hs.h29
-rw-r--r--arch/arm/plat-s3c/include/plat/watchdog-reset.h49
14 files changed, 764 insertions, 10 deletions
diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-s3c/include/plat/adc.h
index 43df2a404b0b..d847bd476b6c 100644
--- a/arch/arm/plat-s3c/include/plat/adc.h
+++ b/arch/arm/plat-s3c/include/plat/adc.h
@@ -19,10 +19,12 @@ struct s3c_adc_client;
extern int s3c_adc_start(struct s3c_adc_client *client,
unsigned int channel, unsigned int nr_samples);
-extern struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
- void (*select)(unsigned selected),
- void (*conv)(unsigned d0, unsigned d1),
- unsigned int is_ts);
+extern struct s3c_adc_client *
+ s3c_adc_register(struct platform_device *pdev,
+ void (*select)(unsigned selected),
+ void (*conv)(unsigned d0, unsigned d1,
+ unsigned *samples_left),
+ unsigned int is_ts);
extern void s3c_adc_release(struct s3c_adc_client *client);
diff --git a/arch/arm/plat-s3c/include/plat/clock.h b/arch/arm/plat-s3c/include/plat/clock.h
index a10622eed43a..d86af84b5b8c 100644
--- a/arch/arm/plat-s3c/include/plat/clock.h
+++ b/arch/arm/plat-s3c/include/plat/clock.h
@@ -50,6 +50,7 @@ extern struct clk clk_xtal;
extern struct clk clk_ext;
/* S3C64XX specific clocks */
+extern struct clk clk_h2;
extern struct clk clk_27m;
extern struct clk clk_48m;
diff --git a/arch/arm/plat-s3c/include/plat/cpu.h b/arch/arm/plat-s3c/include/plat/cpu.h
index e62ae0fcfe56..be541cbba070 100644
--- a/arch/arm/plat-s3c/include/plat/cpu.h
+++ b/arch/arm/plat-s3c/include/plat/cpu.h
@@ -69,3 +69,6 @@ extern struct sysdev_class s3c2412_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
extern struct sysdev_class s3c2443_sysclass;
+extern struct sysdev_class s3c6410_sysclass;
+extern struct sysdev_class s3c64xx_sysclass;
+
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 26f0cec3ac04..b5b9c4d46e9a 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -24,13 +24,16 @@ extern struct platform_device *s3c24xx_uart_src[];
extern struct platform_device s3c_device_timer[];
+extern struct platform_device s3c64xx_device_iis0;
+extern struct platform_device s3c64xx_device_iis1;
+extern struct platform_device s3c64xx_device_iisv4;
+
extern struct platform_device s3c_device_fb;
extern struct platform_device s3c_device_usb;
extern struct platform_device s3c_device_lcd;
extern struct platform_device s3c_device_wdt;
extern struct platform_device s3c_device_i2c0;
extern struct platform_device s3c_device_i2c1;
-extern struct platform_device s3c_device_iis;
extern struct platform_device s3c_device_rtc;
extern struct platform_device s3c_device_adc;
extern struct platform_device s3c_device_sdi;
@@ -45,6 +48,7 @@ extern struct platform_device s3c_device_spi1;
extern struct platform_device s3c_device_nand;
extern struct platform_device s3c_device_usbgadget;
+extern struct platform_device s3c_device_usb_hsotg;
/* s3c2440 specific devices */
diff --git a/arch/arm/plat-s3c/include/plat/dma-core.h b/arch/arm/plat-s3c/include/plat/dma-core.h
new file mode 100644
index 000000000000..32ff2a92cb3c
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/dma-core.h
@@ -0,0 +1,22 @@
+/* arch/arm/plat-s3c/include/plat/dma.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * Samsung S3C DMA core support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+extern struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel);
+
+extern struct s3c2410_dma_chan *s3c_dma_chan_map[];
+
+/* the currently allocated channel information */
+extern struct s3c2410_dma_chan s3c2410_chans[];
+
+
diff --git a/arch/arm/plat-s3c/include/plat/dma.h b/arch/arm/plat-s3c/include/plat/dma.h
new file mode 100644
index 000000000000..34dba98f08e1
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/dma.h
@@ -0,0 +1,127 @@
+/* arch/arm/plat-s3c/include/plat/dma.h
+ *
+ * Copyright (C) 2003,2004,2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Samsung S3C DMA support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+enum s3c2410_dma_buffresult {
+ S3C2410_RES_OK,
+ S3C2410_RES_ERR,
+ S3C2410_RES_ABORT
+};
+
+enum s3c2410_dmasrc {
+ S3C2410_DMASRC_HW, /* source is memory */
+ S3C2410_DMASRC_MEM /* source is hardware */
+};
+
+/* enum s3c2410_chan_op
+ *
+ * operation codes passed to the DMA code by the user, and also used
+ * to inform the current channel owner of any changes to the system state
+*/
+
+enum s3c2410_chan_op {
+ S3C2410_DMAOP_START,
+ S3C2410_DMAOP_STOP,
+ S3C2410_DMAOP_PAUSE,
+ S3C2410_DMAOP_RESUME,
+ S3C2410_DMAOP_FLUSH,
+ S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */
+ S3C2410_DMAOP_STARTED, /* indicate channel started */
+};
+
+struct s3c2410_dma_client {
+ char *name;
+};
+
+struct s3c2410_dma_chan;
+
+/* s3c2410_dma_cbfn_t
+ *
+ * buffer callback routine type
+*/
+
+typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *,
+ void *buf, int size,
+ enum s3c2410_dma_buffresult result);
+
+typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
+ enum s3c2410_chan_op );
+
+
+
+/* s3c2410_dma_request
+ *
+ * request a dma channel exclusivley
+*/
+
+extern int s3c2410_dma_request(unsigned int channel,
+ struct s3c2410_dma_client *, void *dev);
+
+
+/* s3c2410_dma_ctrl
+ *
+ * change the state of the dma channel
+*/
+
+extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
+
+/* s3c2410_dma_setflags
+ *
+ * set the channel's flags to a given state
+*/
+
+extern int s3c2410_dma_setflags(unsigned int channel,
+ unsigned int flags);
+
+/* s3c2410_dma_free
+ *
+ * free the dma channel (will also abort any outstanding operations)
+*/
+
+extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
+
+/* s3c2410_dma_enqueue
+ *
+ * place the given buffer onto the queue of operations for the channel.
+ * The buffer must be allocated from dma coherent memory, or the Dcache/WB
+ * drained before the buffer is given to the DMA system.
+*/
+
+extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
+ dma_addr_t data, int size);
+
+/* s3c2410_dma_config
+ *
+ * configure the dma channel
+*/
+
+extern int s3c2410_dma_config(unsigned int channel, int xferunit);
+
+/* s3c2410_dma_devconfig
+ *
+ * configure the device we're talking to
+*/
+
+extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source,
+ unsigned long devaddr);
+
+/* s3c2410_dma_getposition
+ *
+ * get the position that the dma transfer is currently at
+*/
+
+extern int s3c2410_dma_getposition(unsigned int channel,
+ dma_addr_t *src, dma_addr_t *dest);
+
+extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
+extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
+
+
diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h
index 2fc60a580ac8..32af612767aa 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-core.h
+++ b/arch/arm/plat-s3c/include/plat/gpio-core.h
@@ -20,6 +20,18 @@
* specific code.
*/
+struct s3c_gpio_chip;
+
+/**
+ * struct s3c_gpio_pm - power management (suspend/resume) information
+ * @save: Routine to save the state of the GPIO block
+ * @resume: Routine to resume the GPIO block.
+ */
+struct s3c_gpio_pm {
+ void (*save)(struct s3c_gpio_chip *chip);
+ void (*resume)(struct s3c_gpio_chip *chip);
+};
+
struct s3c_gpio_cfg;
/**
@@ -27,6 +39,7 @@ struct s3c_gpio_cfg;
* @chip: The chip structure to be exported via gpiolib.
* @base: The base pointer to the gpio configuration registers.
* @config: special function and pull-resistor control information.
+ * @pm_save: Save information for suspend/resume support.
*
* This wrapper provides the necessary information for the Samsung
* specific gpios being registered with gpiolib.
@@ -34,7 +47,11 @@ struct s3c_gpio_cfg;
struct s3c_gpio_chip {
struct gpio_chip chip;
struct s3c_gpio_cfg *config;
+ struct s3c_gpio_pm *pm;
void __iomem *base;
+#ifdef CONFIG_PM
+ u32 pm_save[4];
+#endif
};
static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
@@ -75,3 +92,16 @@ static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
#endif
+
+#ifdef CONFIG_PM
+extern struct s3c_gpio_pm s3c_gpio_pm_1bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_2bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_4bit;
+#define __gpio_pm(x) x
+#else
+#define s3c_gpio_pm_1bit NULL
+#define s3c_gpio_pm_2bit NULL
+#define s3c_gpio_pm_4bit NULL
+#define __gpio_pm(x) NULL
+
+#endif /* CONFIG_PM */
diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h
index 3779775133a9..7a797192fcf3 100644
--- a/arch/arm/plat-s3c/include/plat/pm.h
+++ b/arch/arm/plat-s3c/include/plat/pm.h
@@ -44,6 +44,8 @@ extern void (*pm_cpu_sleep)(void);
extern unsigned long s3c_pm_flags;
+extern unsigned char pm_uart_udivslot; /* true to save UART UDIVSLOT */
+
/* from sleep.S */
extern int s3c_cpu_save(unsigned long *saveblk);
@@ -88,6 +90,7 @@ struct pm_uart_save {
u32 ufcon;
u32 umcon;
u32 ubrdiv;
+ u32 udivslot;
};
/* helper functions to save/restore lists of registers. */
@@ -124,6 +127,18 @@ extern void s3c_pm_dbg(const char *msg, ...);
#define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
#endif
+#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
+/**
+ * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs
+ * @set: set bits for the state of the LEDs
+ * @clear: clear bits for the state of the LEDs.
+ */
+extern void s3c_pm_debug_smdkled(u32 set, u32 clear);
+
+#else
+static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
+#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */
+
/* suspend memory checking */
#ifdef CONFIG_S3C2410_PM_CHECK
diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-s3c/include/plat/regs-serial.h
index 487d7d2a7e1d..66af75a5cdd1 100644
--- a/arch/arm/plat-s3c/include/plat/regs-serial.h
+++ b/arch/arm/plat-s3c/include/plat/regs-serial.h
@@ -189,6 +189,11 @@
#define S3C2443_DIVSLOT (0x2C)
+/* S3C64XX interrupt registers. */
+#define S3C64XX_UINTP 0x30
+#define S3C64XX_UINTSP 0x34
+#define S3C64XX_UINTM 0x38
+
#ifndef __ASSEMBLY__
/* struct s3c24xx_uart_clksrc
diff --git a/arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h b/arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h
new file mode 100644
index 000000000000..36a85f5000c8
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h
@@ -0,0 +1,50 @@
+/* arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - USB2.0 Highspeed/OtG device PHY registers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* Note, this is a seperate header file as some of the clock framework
+ * needs to touch this if the clk_48m is used as the USB OHCI or other
+ * peripheral source.
+*/
+
+#ifndef __PLAT_S3C64XX_REGS_USB_HSOTG_PHY_H
+#define __PLAT_S3C64XX_REGS_USB_HSOTG_PHY_H __FILE__
+
+/* S3C64XX_PA_USB_HSPHY */
+
+#define S3C_HSOTG_PHYREG(x) ((x) + S3C_VA_USB_HSPHY)
+
+#define S3C_PHYPWR S3C_HSOTG_PHYREG(0x00)
+#define SRC_PHYPWR_OTG_DISABLE (1 << 4)
+#define SRC_PHYPWR_ANALOG_POWERDOWN (1 << 3)
+#define SRC_PHYPWR_FORCE_SUSPEND (1 << 1)
+
+#define S3C_PHYCLK S3C_HSOTG_PHYREG(0x04)
+#define S3C_PHYCLK_MODE_USB11 (1 << 6)
+#define S3C_PHYCLK_EXT_OSC (1 << 5)
+#define S3C_PHYCLK_CLK_FORCE (1 << 4)
+#define S3C_PHYCLK_ID_PULL (1 << 2)
+#define S3C_PHYCLK_CLKSEL_MASK (0x3 << 0)
+#define S3C_PHYCLK_CLKSEL_SHIFT (0)
+#define S3C_PHYCLK_CLKSEL_48M (0x0 << 0)
+#define S3C_PHYCLK_CLKSEL_12M (0x2 << 0)
+#define S3C_PHYCLK_CLKSEL_24M (0x3 << 0)
+
+#define S3C_RSTCON S3C_HSOTG_PHYREG(0x08)
+#define S3C_RSTCON_PHYCLK (1 << 2)
+#define S3C_RSTCON_HCLK (1 << 2)
+#define S3C_RSTCON_PHY (1 << 0)
+
+#define S3C_PHYTUNE S3C_HSOTG_PHYREG(0x20)
+
+#endif /* __PLAT_S3C64XX_REGS_USB_HSOTG_PHY_H */
diff --git a/arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h b/arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h
new file mode 100644
index 000000000000..8d18d9d4d148
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h
@@ -0,0 +1,377 @@
+/* arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - USB2.0 Highspeed/OtG device block registers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __PLAT_S3C64XX_REGS_USB_HSOTG_H
+#define __PLAT_S3C64XX_REGS_USB_HSOTG_H __FILE__
+
+#define S3C_HSOTG_REG(x) (x)
+
+#define S3C_GOTGCTL S3C_HSOTG_REG(0x000)
+#define S3C_GOTGCTL_BSESVLD (1 << 19)
+#define S3C_GOTGCTL_ASESVLD (1 << 18)
+#define S3C_GOTGCTL_DBNC_SHORT (1 << 17)
+#define S3C_GOTGCTL_CONID_B (1 << 16)
+#define S3C_GOTGCTL_DEVHNPEN (1 << 11)
+#define S3C_GOTGCTL_HSSETHNPEN (1 << 10)
+#define S3C_GOTGCTL_HNPREQ (1 << 9)
+#define S3C_GOTGCTL_HSTNEGSCS (1 << 8)
+#define S3C_GOTGCTL_SESREQ (1 << 1)
+#define S3C_GOTGCTL_SESREQSCS (1 << 0)
+
+#define S3C_GOTGINT S3C_HSOTG_REG(0x004)
+#define S3C_GOTGINT_DbnceDone (1 << 19)
+#define S3C_GOTGINT_ADevTOUTChg (1 << 18)
+#define S3C_GOTGINT_HstNegDet (1 << 17)
+#define S3C_GOTGINT_HstnegSucStsChng (1 << 9)
+#define S3C_GOTGINT_SesReqSucStsChng (1 << 8)
+#define S3C_GOTGINT_SesEndDet (1 << 2)
+
+#define S3C_GAHBCFG S3C_HSOTG_REG(0x008)
+#define S3C_GAHBCFG_PTxFEmpLvl (1 << 8)
+#define S3C_GAHBCFG_NPTxFEmpLvl (1 << 7)
+#define S3C_GAHBCFG_DMAEn (1 << 5)
+#define S3C_GAHBCFG_HBstLen_MASK (0xf << 1)
+#define S3C_GAHBCFG_HBstLen_SHIFT (1)
+#define S3C_GAHBCFG_HBstLen_Single (0x0 << 1)
+#define S3C_GAHBCFG_HBstLen_Incr (0x1 << 1)
+#define S3C_GAHBCFG_HBstLen_Incr4 (0x3 << 1)
+#define S3C_GAHBCFG_HBstLen_Incr8 (0x5 << 1)
+#define S3C_GAHBCFG_HBstLen_Incr16 (0x7 << 1)
+#define S3C_GAHBCFG_GlblIntrEn (1 << 0)
+
+#define S3C_GUSBCFG S3C_HSOTG_REG(0x00C)
+#define S3C_GUSBCFG_PHYLPClkSel (1 << 15)
+#define S3C_GUSBCFG_HNPCap (1 << 9)
+#define S3C_GUSBCFG_SRPCap (1 << 8)
+#define S3C_GUSBCFG_PHYIf16 (1 << 3)
+#define S3C_GUSBCFG_TOutCal_MASK (0x7 << 0)
+#define S3C_GUSBCFG_TOutCal_SHIFT (0)
+#define S3C_GUSBCFG_TOutCal_LIMIT (0x7)
+#define S3C_GUSBCFG_TOutCal(_x) ((_x) << 0)
+
+#define S3C_GRSTCTL S3C_HSOTG_REG(0x010)
+
+#define S3C_GRSTCTL_AHBIdle (1 << 31)
+#define S3C_GRSTCTL_DMAReq (1 << 30)
+#define S3C_GRSTCTL_TxFNum_MASK (0x1f << 6)
+#define S3C_GRSTCTL_TxFNum_SHIFT (6)
+#define S3C_GRSTCTL_TxFNum_LIMIT (0x1f)
+#define S3C_GRSTCTL_TxFNum(_x) ((_x) << 6)
+#define S3C_GRSTCTL_TxFFlsh (1 << 5)
+#define S3C_GRSTCTL_RxFFlsh (1 << 4)
+#define S3C_GRSTCTL_INTknQFlsh (1 << 3)
+#define S3C_GRSTCTL_FrmCntrRst (1 << 2)
+#define S3C_GRSTCTL_HSftRst (1 << 1)
+#define S3C_GRSTCTL_CSftRst (1 << 0)
+
+#define S3C_GINTSTS S3C_HSOTG_REG(0x014)
+#define S3C_GINTMSK S3C_HSOTG_REG(0x018)
+
+#define S3C_GINTSTS_WkUpInt (1 << 31)
+#define S3C_GINTSTS_SessReqInt (1 << 30)
+#define S3C_GINTSTS_DisconnInt (1 << 29)
+#define S3C_GINTSTS_ConIDStsChng (1 << 28)
+#define S3C_GINTSTS_PTxFEmp (1 << 26)
+#define S3C_GINTSTS_HChInt (1 << 25)
+#define S3C_GINTSTS_PrtInt (1 << 24)
+#define S3C_GINTSTS_FetSusp (1 << 22)
+#define S3C_GINTSTS_incompIP (1 << 21)
+#define S3C_GINTSTS_IncomplSOIN (1 << 20)
+#define S3C_GINTSTS_OEPInt (1 << 19)
+#define S3C_GINTSTS_IEPInt (1 << 18)
+#define S3C_GINTSTS_EPMis (1 << 17)
+#define S3C_GINTSTS_EOPF (1 << 15)
+#define S3C_GINTSTS_ISOutDrop (1 << 14)
+#define S3C_GINTSTS_EnumDone (1 << 13)
+#define S3C_GINTSTS_USBRst (1 << 12)
+#define S3C_GINTSTS_USBSusp (1 << 11)
+#define S3C_GINTSTS_ErlySusp (1 << 10)
+#define S3C_GINTSTS_GOUTNakEff (1 << 7)
+#define S3C_GINTSTS_GINNakEff (1 << 6)
+#define S3C_GINTSTS_NPTxFEmp (1 << 5)
+#define S3C_GINTSTS_RxFLvl (1 << 4)
+#define S3C_GINTSTS_SOF (1 << 3)
+#define S3C_GINTSTS_OTGInt (1 << 2)
+#define S3C_GINTSTS_ModeMis (1 << 1)
+#define S3C_GINTSTS_CurMod_Host (1 << 0)
+
+#define S3C_GRXSTSR S3C_HSOTG_REG(0x01C)
+#define S3C_GRXSTSP S3C_HSOTG_REG(0x020)
+
+#define S3C_GRXSTS_FN_MASK (0x7f << 25)
+#define S3C_GRXSTS_FN_SHIFT (25)
+
+#define S3C_GRXSTS_PktSts_MASK (0xf << 17)
+#define S3C_GRXSTS_PktSts_SHIFT (17)
+#define S3C_GRXSTS_PktSts_GlobalOutNAK (0x1 << 17)
+#define S3C_GRXSTS_PktSts_OutRX (0x2 << 17)
+#define S3C_GRXSTS_PktSts_OutDone (0x3 << 17)
+#define S3C_GRXSTS_PktSts_SetupDone (0x4 << 17)
+#define S3C_GRXSTS_PktSts_SetupRX (0x6 << 17)
+
+#define S3C_GRXSTS_DPID_MASK (0x3 << 15)
+#define S3C_GRXSTS_DPID_SHIFT (15)
+#define S3C_GRXSTS_ByteCnt_MASK (0x7ff << 4)
+#define S3C_GRXSTS_ByteCnt_SHIFT (4)
+#define S3C_GRXSTS_EPNum_MASK (0xf << 0)
+#define S3C_GRXSTS_EPNum_SHIFT (0)
+
+#define S3C_GRXFSIZ S3C_HSOTG_REG(0x024)
+
+#define S3C_GNPTXFSIZ S3C_HSOTG_REG(0x028)
+
+#define S3C_GNPTXFSIZ_NPTxFDep_MASK (0xffff << 16)
+#define S3C_GNPTXFSIZ_NPTxFDep_SHIFT (16)
+#define S3C_GNPTXFSIZ_NPTxFDep_LIMIT (0xffff)
+#define S3C_GNPTXFSIZ_NPTxFDep(_x) ((_x) << 16)
+#define S3C_GNPTXFSIZ_NPTxFStAddr_MASK (0xffff << 0)
+#define S3C_GNPTXFSIZ_NPTxFStAddr_SHIFT (0)
+#define S3C_GNPTXFSIZ_NPTxFStAddr_LIMIT (0xffff)
+#define S3C_GNPTXFSIZ_NPTxFStAddr(_x) ((_x) << 0)
+
+#define S3C_GNPTXSTS S3C_HSOTG_REG(0x02C)
+
+#define S3C_GNPTXSTS_NPtxQTop_MASK (0x7f << 24)
+#define S3C_GNPTXSTS_NPtxQTop_SHIFT (24)
+
+#define S3C_GNPTXSTS_NPTxQSpcAvail_MASK (0xff << 16)
+#define S3C_GNPTXSTS_NPTxQSpcAvail_SHIFT (16)
+#define S3C_GNPTXSTS_NPTxQSpcAvail_GET(_v) (((_v) >> 16) & 0xff)
+
+#define S3C_GNPTXSTS_NPTxFSpcAvail_MASK (0xffff << 0)
+#define S3C_GNPTXSTS_NPTxFSpcAvail_SHIFT (0)
+#define S3C_GNPTXSTS_NPTxFSpcAvail_GET(_v) (((_v) >> 0) & 0xffff)
+
+
+#define S3C_HPTXFSIZ S3C_HSOTG_REG(0x100)
+
+#define S3C_DPTXFSIZn(_a) S3C_HSOTG_REG(0x104 + (((_a) - 1) * 4))
+
+#define S3C_DPTXFSIZn_DPTxFSize_MASK (0xffff << 16)
+#define S3C_DPTXFSIZn_DPTxFSize_SHIFT (16)
+#define S3C_DPTXFSIZn_DPTxFSize_GET(_v) (((_v) >> 16) & 0xffff)
+#define S3C_DPTXFSIZn_DPTxFSize_LIMIT (0xffff)
+#define S3C_DPTXFSIZn_DPTxFSize(_x) ((_x) << 16)
+
+#define S3C_DPTXFSIZn_DPTxFStAddr_MASK (0xffff << 0)
+#define S3C_DPTXFSIZn_DPTxFStAddr_SHIFT (0)
+
+/* Device mode registers */
+#define S3C_DCFG S3C_HSOTG_REG(0x800)
+
+#define S3C_DCFG_EPMisCnt_MASK (0x1f << 18)
+#define S3C_DCFG_EPMisCnt_SHIFT (18)
+#define S3C_DCFG_EPMisCnt_LIMIT (0x1f)
+#define S3C_DCFG_EPMisCnt(_x) ((_x) << 18)
+
+#define S3C_DCFG_PerFrInt_MASK (0x3 << 11)
+#define S3C_DCFG_PerFrInt_SHIFT (11)
+#define S3C_DCFG_PerFrInt_LIMIT (0x3)
+#define S3C_DCFG_PerFrInt(_x) ((_x) << 11)
+
+#define S3C_DCFG_DevAddr_MASK (0x7f << 4)
+#define S3C_DCFG_DevAddr_SHIFT (4)
+#define S3C_DCFG_DevAddr_LIMIT (0x7f)
+#define S3C_DCFG_DevAddr(_x) ((_x) << 4)
+
+#define S3C_DCFG_NZStsOUTHShk (1 << 2)
+
+#define S3C_DCFG_DevSpd_MASK (0x3 << 0)
+#define S3C_DCFG_DevSpd_SHIFT (0)
+#define S3C_DCFG_DevSpd_HS (0x0 << 0)
+#define S3C_DCFG_DevSpd_FS (0x1 << 0)
+#define S3C_DCFG_DevSpd_LS (0x2 << 0)
+#define S3C_DCFG_DevSpd_FS48 (0x3 << 0)
+
+#define S3C_DCTL S3C_HSOTG_REG(0x804)
+
+#define S3C_DCTL_PWROnPrgDone (1 << 11)
+#define S3C_DCTL_CGOUTNak (1 << 10)
+#define S3C_DCTL_SGOUTNak (1 << 9)
+#define S3C_DCTL_CGNPInNAK (1 << 8)
+#define S3C_DCTL_SGNPInNAK (1 << 7)
+#define S3C_DCTL_TstCtl_MASK (0x7 << 4)
+#define S3C_DCTL_TstCtl_SHIFT (4)
+#define S3C_DCTL_GOUTNakSts (1 << 3)
+#define S3C_DCTL_GNPINNakSts (1 << 2)
+#define S3C_DCTL_SftDiscon (1 << 1)
+#define S3C_DCTL_RmtWkUpSig (1 << 0)
+
+#define S3C_DSTS S3C_HSOTG_REG(0x808)
+
+#define S3C_DSTS_SOFFN_MASK (0x3fff << 8)
+#define S3C_DSTS_SOFFN_SHIFT (8)
+#define S3C_DSTS_SOFFN_LIMIT (0x3fff)
+#define S3C_DSTS_SOFFN(_x) ((_x) << 8)
+#define S3C_DSTS_ErraticErr (1 << 3)
+#define S3C_DSTS_EnumSpd_MASK (0x3 << 1)
+#define S3C_DSTS_EnumSpd_SHIFT (1)
+#define S3C_DSTS_EnumSpd_HS (0x0 << 1)
+#define S3C_DSTS_EnumSpd_FS (0x1 << 1)
+#define S3C_DSTS_EnumSpd_LS (0x2 << 1)
+#define S3C_DSTS_EnumSpd_FS48 (0x3 << 1)
+
+#define S3C_DSTS_SuspSts (1 << 0)
+
+#define S3C_DIEPMSK S3C_HSOTG_REG(0x810)
+
+#define S3C_DIEPMSK_INEPNakEffMsk (1 << 6)
+#define S3C_DIEPMSK_INTknEPMisMsk (1 << 5)
+#define S3C_DIEPMSK_INTknTXFEmpMsk (1 << 4)
+#define S3C_DIEPMSK_TimeOUTMsk (1 << 3)
+#define S3C_DIEPMSK_AHBErrMsk (1 << 2)
+#define S3C_DIEPMSK_EPDisbldMsk (1 << 1)
+#define S3C_DIEPMSK_XferComplMsk (1 << 0)
+
+#define S3C_DOEPMSK S3C_HSOTG_REG(0x814)
+
+#define S3C_DOEPMSK_Back2BackSetup (1 << 6)
+#define S3C_DOEPMSK_OUTTknEPdisMsk (1 << 4)
+#define S3C_DOEPMSK_SetupMsk (1 << 3)
+#define S3C_DOEPMSK_AHBErrMsk (1 << 2)
+#define S3C_DOEPMSK_EPDisbldMsk (1 << 1)
+#define S3C_DOEPMSK_XferComplMsk (1 << 0)
+
+#define S3C_DAINT S3C_HSOTG_REG(0x818)
+#define S3C_DAINTMSK S3C_HSOTG_REG(0x81C)
+
+#define S3C_DAINT_OutEP_SHIFT (16)
+#define S3C_DAINT_OutEP(x) (1 << ((x) + 16))
+#define S3C_DAINT_InEP(x) (1 << (x))
+
+#define S3C_DTKNQR1 S3C_HSOTG_REG(0x820)
+#define S3C_DTKNQR2 S3C_HSOTG_REG(0x824)
+#define S3C_DTKNQR3 S3C_HSOTG_REG(0x830)
+#define S3C_DTKNQR4 S3C_HSOTG_REG(0x834)
+
+#define S3C_DVBUSDIS S3C_HSOTG_REG(0x828)
+#define S3C_DVBUSPULSE S3C_HSOTG_REG(0x82C)
+
+#define S3C_DIEPCTL0 S3C_HSOTG_REG(0x900)
+#define S3C_DOEPCTL0 S3C_HSOTG_REG(0xB00)
+#define S3C_DIEPCTL(_a) S3C_HSOTG_REG(0x900 + ((_a) * 0x20))
+#define S3C_DOEPCTL(_a) S3C_HSOTG_REG(0xB00 + ((_a) * 0x20))
+
+/* EP0 specialness:
+ * bits[29..28] - reserved (no SetD0PID, SetD1PID)
+ * bits[25..22] - should always be zero, this isn't a periodic endpoint
+ * bits[10..0] - MPS setting differenct for EP0
+*/
+#define S3C_D0EPCTL_MPS_MASK (0x3 << 0)
+#define S3C_D0EPCTL_MPS_SHIFT (0)
+#define S3C_D0EPCTL_MPS_64 (0x0 << 0)
+#define S3C_D0EPCTL_MPS_32 (0x1 << 0)
+#define S3C_D0EPCTL_MPS_16 (0x2 << 0)
+#define S3C_D0EPCTL_MPS_8 (0x3 << 0)
+
+#define S3C_DxEPCTL_EPEna (1 << 31)
+#define S3C_DxEPCTL_EPDis (1 << 30)
+#define S3C_DxEPCTL_SetD1PID (1 << 29)
+#define S3C_DxEPCTL_SetOddFr (1 << 29)
+#define S3C_DxEPCTL_SetD0PID (1 << 28)
+#define S3C_DxEPCTL_SetEvenFr (1 << 28)
+#define S3C_DxEPCTL_SNAK (1 << 27)
+#define S3C_DxEPCTL_CNAK (1 << 26)
+#define S3C_DxEPCTL_TxFNum_MASK (0xf << 22)
+#define S3C_DxEPCTL_TxFNum_SHIFT (22)
+#define S3C_DxEPCTL_TxFNum_LIMIT (0xf)
+#define S3C_DxEPCTL_TxFNum(_x) ((_x) << 22)
+
+#define S3C_DxEPCTL_Stall (1 << 21)
+#define S3C_DxEPCTL_Snp (1 << 20)
+#define S3C_DxEPCTL_EPType_MASK (0x3 << 18)
+#define S3C_DxEPCTL_EPType_SHIFT (18)
+#define S3C_DxEPCTL_EPType_Control (0x0 << 18)
+#define S3C_DxEPCTL_EPType_Iso (0x1 << 18)
+#define S3C_DxEPCTL_EPType_Bulk (0x2 << 18)
+#define S3C_DxEPCTL_EPType_Intterupt (0x3 << 18)
+
+#define S3C_DxEPCTL_NAKsts (1 << 17)
+#define S3C_DxEPCTL_DPID (1 << 16)
+#define S3C_DxEPCTL_EOFrNum (1 << 16)
+#define S3C_DxEPCTL_USBActEp (1 << 15)
+#define S3C_DxEPCTL_NextEp_MASK (0xf << 11)
+#define S3C_DxEPCTL_NextEp_SHIFT (11)
+#define S3C_DxEPCTL_NextEp_LIMIT (0xf)
+#define S3C_DxEPCTL_NextEp(_x) ((_x) << 11)
+
+#define S3C_DxEPCTL_MPS_MASK (0x7ff << 0)
+#define S3C_DxEPCTL_MPS_SHIFT (0)
+#define S3C_DxEPCTL_MPS_LIMIT (0x7ff)
+#define S3C_DxEPCTL_MPS(_x) ((_x) << 0)
+
+#define S3C_DIEPINT(_a) S3C_HSOTG_REG(0x908 + ((_a) * 0x20))
+#define S3C_DOEPINT(_a) S3C_HSOTG_REG(0xB08 + ((_a) * 0x20))
+
+#define S3C_DxEPINT_INEPNakEff (1 << 6)
+#define S3C_DxEPINT_Back2BackSetup (1 << 6)
+#define S3C_DxEPINT_INTknEPMis (1 << 5)
+#define S3C_DxEPINT_INTknTXFEmp (1 << 4)
+#define S3C_DxEPINT_OUTTknEPdis (1 << 4)
+#define S3C_DxEPINT_Timeout (1 << 3)
+#define S3C_DxEPINT_Setup (1 << 3)
+#define S3C_DxEPINT_AHBErr (1 << 2)
+#define S3C_DxEPINT_EPDisbld (1 << 1)
+#define S3C_DxEPINT_XferCompl (1 << 0)
+
+#define S3C_DIEPTSIZ0 S3C_HSOTG_REG(0x910)
+
+#define S3C_DIEPTSIZ0_PktCnt_MASK (0x3 << 19)
+#define S3C_DIEPTSIZ0_PktCnt_SHIFT (19)
+#define S3C_DIEPTSIZ0_PktCnt_LIMIT (0x3)
+#define S3C_DIEPTSIZ0_PktCnt(_x) ((_x) << 19)
+
+#define S3C_DIEPTSIZ0_XferSize_MASK (0x7f << 0)
+#define S3C_DIEPTSIZ0_XferSize_SHIFT (0)
+#define S3C_DIEPTSIZ0_XferSize_LIMIT (0x7f)
+#define S3C_DIEPTSIZ0_XferSize(_x) ((_x) << 0)
+
+
+#define DOEPTSIZ0 S3C_HSOTG_REG(0xB10)
+#define S3C_DOEPTSIZ0_SUPCnt_MASK (0x3 << 29)
+#define S3C_DOEPTSIZ0_SUPCnt_SHIFT (29)
+#define S3C_DOEPTSIZ0_SUPCnt_LIMIT (0x3)
+#define S3C_DOEPTSIZ0_SUPCnt(_x) ((_x) << 29)
+
+#define S3C_DOEPTSIZ0_PktCnt (1 << 19)
+#define S3C_DOEPTSIZ0_XferSize_MASK (0x7f << 0)
+#define S3C_DOEPTSIZ0_XferSize_SHIFT (0)
+
+#define S3C_DIEPTSIZ(_a) S3C_HSOTG_REG(0x910 + ((_a) * 0x20))
+#define S3C_DOEPTSIZ(_a) S3C_HSOTG_REG(0xB10 + ((_a) * 0x20))
+
+#define S3C_DxEPTSIZ_MC_MASK (0x3 << 29)
+#define S3C_DxEPTSIZ_MC_SHIFT (29)
+#define S3C_DxEPTSIZ_MC_LIMIT (0x3)
+#define S3C_DxEPTSIZ_MC(_x) ((_x) << 29)
+
+#define S3C_DxEPTSIZ_PktCnt_MASK (0x3ff << 19)
+#define S3C_DxEPTSIZ_PktCnt_SHIFT (19)
+#define S3C_DxEPTSIZ_PktCnt_GET(_v) (((_v) >> 19) & 0x3ff)
+#define S3C_DxEPTSIZ_PktCnt_LIMIT (0x3ff)
+#define S3C_DxEPTSIZ_PktCnt(_x) ((_x) << 19)
+
+#define S3C_DxEPTSIZ_XferSize_MASK (0x7ffff << 0)
+#define S3C_DxEPTSIZ_XferSize_SHIFT (0)
+#define S3C_DxEPTSIZ_XferSize_GET(_v) (((_v) >> 0) & 0x7ffff)
+#define S3C_DxEPTSIZ_XferSize_LIMIT (0x7ffff)
+#define S3C_DxEPTSIZ_XferSize(_x) ((_x) << 0)
+
+
+#define S3C_DIEPDMA(_a) S3C_HSOTG_REG(0x914 + ((_a) * 0x20))
+#define S3C_DOEPDMA(_a) S3C_HSOTG_REG(0xB14 + ((_a) * 0x20))
+
+#define S3C_EPFIFO(_a) S3C_HSOTG_REG(0x1000 + ((_a) * 0x1000))
+
+#endif /* __PLAT_S3C64XX_REGS_USB_HSOTG_H */
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h
index c4ca3920ca4b..f615308ccdfb 100644
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -67,12 +67,52 @@ extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
/* Helper function availablity */
+extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+
+/* S3C6400 SDHCI setup */
+
+#ifdef CONFIG_S3C6400_SETUP_SDHCI
+extern char *s3c6400_hsmmc_clksrcs[4];
+
+#ifdef CONFIG_S3C_DEV_HSMMC
+extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
+ void __iomem *r,
+ struct mmc_ios *ios,
+ struct mmc_card *card);
+
+static inline void s3c6400_default_sdhci0(void)
+{
+ s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+ s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
+ s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+
+#else
+static inline void s3c6400_default_sdhci0(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC */
+
+#ifdef CONFIG_S3C_DEV_HSMMC1
+static inline void s3c6400_default_sdhci1(void)
+{
+ s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+ s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
+ s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+#else
+static inline void s3c6400_default_sdhci1(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC1 */
+
+#else
+static inline void s3c6400_default_sdhci0(void) { }
+static inline void s3c6400_default_sdhci1(void) { }
+#endif /* CONFIG_S3C6400_SETUP_SDHCI */
+
+/* S3C6410 SDHCI setup */
+
#ifdef CONFIG_S3C6410_SETUP_SDHCI
extern char *s3c6410_hsmmc_clksrcs[4];
-extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
-extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
-
extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
@@ -82,7 +122,7 @@ extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
static inline void s3c6410_default_sdhci0(void)
{
s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
- s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
+ s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
@@ -93,7 +133,7 @@ static inline void s3c6410_default_sdhci0(void) { }
static inline void s3c6410_default_sdhci1(void)
{
s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
- s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio;
+ s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
diff --git a/arch/arm/plat-s3c/include/plat/udc-hs.h b/arch/arm/plat-s3c/include/plat/udc-hs.h
new file mode 100644
index 000000000000..dd04db043109
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/udc-hs.h
@@ -0,0 +1,29 @@
+/* arch/arm/plat-s3c/include/plat/udc-hs.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C USB2.0 High-speed / OtG platform information
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+enum s3c_hostg_dmamode {
+ S3C_HSOTG_DMA_NONE, /* do not use DMA at-all */
+ S3C_HSOTG_DMA_ONLY, /* always use DMA */
+ S3C_HSOTG_DMA_DRV, /* DMA is chosen by driver */
+};
+
+/**
+ * struct s3c_hsotg_plat - platform data for high-speed otg/udc
+ * @dma: Whether to use DMA or not.
+ * @is_osc: The clock source is an oscillator, not a crystal
+ */
+struct s3c_hsotg_plat {
+ enum s3c_hostg_dmamode dma;
+ unsigned int is_osc : 1;
+};
diff --git a/arch/arm/plat-s3c/include/plat/watchdog-reset.h b/arch/arm/plat-s3c/include/plat/watchdog-reset.h
new file mode 100644
index 000000000000..54b762acb5a0
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/watchdog-reset.h
@@ -0,0 +1,49 @@
+/* arch/arm/plat-s3c/include/plat/watchdog-reset.h
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - System define for arch_reset() function
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <plat/regs-watchdog.h>
+#include <mach/map.h>
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+static inline void arch_wdt_reset(void)
+{
+ struct clk *wdtclk;
+
+ printk("arch_reset: attempting watchdog reset\n");
+
+ __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */
+
+ wdtclk = clk_get(NULL, "watchdog");
+ if (!IS_ERR(wdtclk)) {
+ clk_enable(wdtclk);
+ } else
+ printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
+
+ /* put initial values into count and data */
+ __raw_writel(0x80, S3C2410_WTCNT);
+ __raw_writel(0x80, S3C2410_WTDAT);
+
+ /* set the watchdog to go and reset... */
+ __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
+ S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
+
+ /* wait for reset to assert... */
+ mdelay(500);
+
+ printk(KERN_ERR "Watchdog reset failed to assert reset\n");
+
+ /* delay to allow the serial port to show the message */
+ mdelay(50);
+}
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