10 files changed, 65 insertions, 8 deletions

diff --git a/include/asm-arm/arch-s3c2410/debug-macro.S b/include/asm-arm/arch-s3c2410/debug-macro.S
index 9c8cd9abb82b..89076c322726 100644
--- a/include/asm-arm/arch-s3c2410/debug-macro.S
+++ b/include/asm-arm/arch-s3c2410/debug-macro.S
@@ -92,11 +92,9 @@
 #if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY)
 #define fifo_full  fifo_full_s3c2410
 #define fifo_level fifo_level_s3c2410
-#warning 2410only
 #elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY)
 #define fifo_full  fifo_full_s3c24xx
 #define fifo_level fifo_level_s3c24xx
-#warning generic
 #endif
 
 /* include the reset of the code which will do the work */
diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index c6e8d8f64938..4f291d9b7d93 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -214,6 +214,7 @@ struct s3c2410_dma_chan {
         unsigned long            dev_addr;
         unsigned long            load_timeout;
         unsigned int             flags;         /* channel flags */
+        unsigned int             hw_cfg;        /* last hw config */
 
         struct s3c24xx_dma_map  *map;           /* channel hw maps */
 
diff --git a/include/asm-arm/arch-s3c2410/hardware.h b/include/asm-arm/arch-s3c2410/hardware.h
index 6dadf58ff984..29592c3ebf22 100644
--- a/include/asm-arm/arch-s3c2410/hardware.h
+++ b/include/asm-arm/arch-s3c2410/hardware.h
@@ -50,6 +50,17 @@ extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
 
 extern int s3c2410_gpio_getirq(unsigned int pin);
 
+/* s3c2410_gpio_irq2pin
+ *
+ * turn the given irq number into the corresponding GPIO number
+ *
+ * returns:
+ *      < 0 = no pin
+ *      >=0 = gpio pin number
+*/
+
+extern int s3c2410_gpio_irq2pin(unsigned int irq);
+
 #ifdef CONFIG_CPU_S3C2400
 
 extern int s3c2400_gpio_getirq(unsigned int pin);
@@ -87,6 +98,18 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
 
 extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
 
+/* s3c2410_gpio_getpull
+ *
+ * Read the state of the pull-up on a given pin
+ *
+ * return:
+ *      < 0 => error code
+ *        0 => enabled
+ *        1 => disabled
+*/
+
+extern int s3c2410_gpio_getpull(unsigned int pin);
+
 extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
 
 extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
@@ -99,6 +122,11 @@ extern int s3c2440_set_dsc(unsigned int pin, unsigned int value);
 
 #endif /* CONFIG_CPU_S3C2440 */
 
+#ifdef CONFIG_CPU_S3C2412
+
+extern int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state);
+
+#endif /* CONFIG_CPU_S3C2412 */
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/asm-arm/arch-s3c2410/irqs.h b/include/asm-arm/arch-s3c2410/irqs.h
index 996f65488d2d..d858b3eb5547 100644
--- a/include/asm-arm/arch-s3c2410/irqs.h
+++ b/include/asm-arm/arch-s3c2410/irqs.h
@@ -160,4 +160,7 @@
 #define NR_IRQS (IRQ_S3C2440_AC97+1)
 #endif
 
+/* Our FIQs are routable from IRQ_EINT0 to IRQ_ADCPARENT */
+#define FIQ_START               IRQ_EINT0
+
 #endif /* __ASM_ARCH_IRQ_H */
diff --git a/include/asm-arm/arch-s3c2410/regs-clock.h b/include/asm-arm/arch-s3c2410/regs-clock.h
index e39656b7a086..dba9df9d8713 100644
--- a/include/asm-arm/arch-s3c2410/regs-clock.h
+++ b/include/asm-arm/arch-s3c2410/regs-clock.h
@@ -138,6 +138,8 @@ s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
 #define S3C2412_CLKDIVN_PDIVN           (1<<2)
 #define S3C2412_CLKDIVN_HDIVN_MASK      (3<<0)
 #define S3C2421_CLKDIVN_ARMDIVN         (1<<3)
+#define S3C2412_CLKDIVN_DVSEN           (1<<4)
+#define S3C2412_CLKDIVN_HALFHCLK        (1<<5)
 #define S3C2412_CLKDIVN_USB48DIV        (1<<6)
 #define S3C2412_CLKDIVN_UARTDIV_MASK    (15<<8)
 #define S3C2412_CLKDIVN_UARTDIV_SHIFT   (8)
diff --git a/include/asm-arm/arch-s3c2410/regs-dsc.h b/include/asm-arm/arch-s3c2410/regs-dsc.h
index c0748511edbc..1235df70f34e 100644
--- a/include/asm-arm/arch-s3c2410/regs-dsc.h
+++ b/include/asm-arm/arch-s3c2410/regs-dsc.h
@@ -19,7 +19,7 @@
 #define S3C2412_DSC1       S3C2410_GPIOREG(0xe0)
 #endif
 
-#if defined(CONFIG_CPU_S3C2440)
+#if defined(CONFIG_CPU_S3C244X)
 
 #define S3C2440_DSC0       S3C2410_GPIOREG(0xc4)
 #define S3C2440_DSC1       S3C2410_GPIOREG(0xc8)
diff --git a/include/asm-arm/arch-s3c2410/regs-gpio.h b/include/asm-arm/arch-s3c2410/regs-gpio.h
index b693158b2d3c..0ad75d716ded 100644
--- a/include/asm-arm/arch-s3c2410/regs-gpio.h
+++ b/include/asm-arm/arch-s3c2410/regs-gpio.h
@@ -1133,12 +1133,16 @@
 #define S3C2412_GPBSLPCON       S3C2410_GPIOREG(0x1C)
 #define S3C2412_GPCSLPCON       S3C2410_GPIOREG(0x2C)
 #define S3C2412_GPDSLPCON       S3C2410_GPIOREG(0x3C)
-#define S3C2412_GPESLPCON       S3C2410_GPIOREG(0x4C)
 #define S3C2412_GPFSLPCON       S3C2410_GPIOREG(0x5C)
 #define S3C2412_GPGSLPCON       S3C2410_GPIOREG(0x6C)
 #define S3C2412_GPHSLPCON       S3C2410_GPIOREG(0x7C)
 
 /* definitions for each pin bit */
+#define S3C2412_GPIO_SLPCON_LOW  ( 0x00 )
+#define S3C2412_GPIO_SLPCON_HIGH ( 0x01 )
+#define S3C2412_GPIO_SLPCON_IN   ( 0x02 )
+#define S3C2412_GPIO_SLPCON_PULL ( 0x03 )
+
 #define S3C2412_SLPCON_LOW(x)   ( 0x00 << ((x) * 2))
 #define S3C2412_SLPCON_HIGH(x)  ( 0x01 << ((x) * 2))
 #define S3C2412_SLPCON_IN(x)    ( 0x02 << ((x) * 2))
diff --git a/include/asm-arm/arch-s3c2410/regs-mem.h b/include/asm-arm/arch-s3c2410/regs-mem.h
index e4d82341f7ba..312ff93b63c6 100644
--- a/include/asm-arm/arch-s3c2410/regs-mem.h
+++ b/include/asm-arm/arch-s3c2410/regs-mem.h
@@ -98,16 +98,19 @@
 #define S3C2410_BANKCON_Tacp3           (0x1 << 2)
 #define S3C2410_BANKCON_Tacp4           (0x2 << 2)
 #define S3C2410_BANKCON_Tacp6           (0x3 << 2)
+#define S3C2410_BANKCON_Tacp_SHIFT      (2)
 
 #define S3C2410_BANKCON_Tcah0           (0x0 << 4)
 #define S3C2410_BANKCON_Tcah1           (0x1 << 4)
 #define S3C2410_BANKCON_Tcah2           (0x2 << 4)
 #define S3C2410_BANKCON_Tcah4           (0x3 << 4)
+#define S3C2410_BANKCON_Tcah_SHIFT      (4)
 
 #define S3C2410_BANKCON_Tcoh0           (0x0 << 6)
 #define S3C2410_BANKCON_Tcoh1           (0x1 << 6)
 #define S3C2410_BANKCON_Tcoh2           (0x2 << 6)
 #define S3C2410_BANKCON_Tcoh4           (0x3 << 6)
+#define S3C2410_BANKCON_Tcoh_SHIFT      (6)
 
 #define S3C2410_BANKCON_Tacc1           (0x0 << 8)
 #define S3C2410_BANKCON_Tacc2           (0x1 << 8)
@@ -117,16 +120,19 @@
 #define S3C2410_BANKCON_Tacc8           (0x5 << 8)
 #define S3C2410_BANKCON_Tacc10          (0x6 << 8)
 #define S3C2410_BANKCON_Tacc14          (0x7 << 8)
+#define S3C2410_BANKCON_Tacc_SHIFT      (8)
 
 #define S3C2410_BANKCON_Tcos0           (0x0 << 11)
 #define S3C2410_BANKCON_Tcos1           (0x1 << 11)
 #define S3C2410_BANKCON_Tcos2           (0x2 << 11)
 #define S3C2410_BANKCON_Tcos4           (0x3 << 11)
+#define S3C2410_BANKCON_Tcos_SHIFT      (11)
 
 #define S3C2410_BANKCON_Tacs0           (0x0 << 13)
 #define S3C2410_BANKCON_Tacs1           (0x1 << 13)
 #define S3C2410_BANKCON_Tacs2           (0x2 << 13)
 #define S3C2410_BANKCON_Tacs4           (0x3 << 13)
+#define S3C2410_BANKCON_Tacs_SHIFT      (13)
 
 #define S3C2410_BANKCON_SRAM            (0x0 << 15)
 #define S3C2400_BANKCON_EDODRAM         (0x2 << 15)
diff --git a/include/asm-arm/arch-s3c2410/regs-power.h b/include/asm-arm/arch-s3c2410/regs-power.h
index f79987be55e8..13d13b7cfe98 100644
--- a/include/asm-arm/arch-s3c2410/regs-power.h
+++ b/include/asm-arm/arch-s3c2410/regs-power.h
@@ -23,7 +23,8 @@
 #define S3C2412_INFORM2         S3C24XX_PWRREG(0x78)
 #define S3C2412_INFORM3         S3C24XX_PWRREG(0x7C)
 
-#define S3C2412_PWRCFG_BATF_IGNORE              (0<<0)
+#define S3C2412_PWRCFG_BATF_IRQ                 (1<<0)
+#define S3C2412_PWRCFG_BATF_IGNORE              (2<<0)
 #define S3C2412_PWRCFG_BATF_SLEEP               (3<<0)
 #define S3C2412_PWRCFG_BATF_MASK                (3<<0)
 
diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h
index 63891786dfa0..14de4e596f87 100644
--- a/include/asm-arm/arch-s3c2410/system.h
+++ b/include/asm-arm/arch-s3c2410/system.h
@@ -20,6 +20,9 @@
 #include <asm/plat-s3c/regs-watchdog.h>
 #include <asm/arch/regs-clock.h>
 
+#include <linux/clk.h>
+#include <linux/err.h>
+
 void (*s3c24xx_idle)(void);
 void (*s3c24xx_reset_hook)(void);
 
@@ -59,6 +62,8 @@ static void arch_idle(void)
 static void
 arch_reset(char mode)
 {
+        struct clk *wdtclk;
+
         if (mode == 's') {
                 cpu_reset(0);
         }
@@ -70,19 +75,28 @@ arch_reset(char mode)
 
         __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(0x100, S3C2410_WTCNT);
-        __raw_writel(0x100, S3C2410_WTDAT);
+        __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(5000);
+        mdelay(500);
 
         printk(KERN_ERR "Watchdog reset failed to assert reset\n");
 
+        /* delay to allow the serial port to show the message */
+        mdelay(50);
+
         /* we'll take a jump through zero as a poor second */
         cpu_reset(0);
 }