OMAP3+: reset: Create a common reset layer.

The reset.S has the function to do a warm reset on OMAP
based socs. Moving this to a reset.c file so that this
acts a common layer to add any reset related functionality
for the future.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h
index 84308e0..457f99d 100644
--- a/arch/arm/include/asm/arch-omap3/cpu.h
+++ b/arch/arm/include/asm/arch-omap3/cpu.h
@@ -474,12 +474,11 @@
 	u8 res3[0x1c];
 	u32 clksrc_ctrl;	/* 0x1270 */
 };
-#else /* __ASSEMBLY__ */
-#define PRM_RSTCTRL		0x48307250
-#define PRM_RSTCTRL_RESET	0x04
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL_STRICT_NAMES */
 
+#define PRM_RSTCTRL		0x48307250
+#define PRM_RSTCTRL_RESET	0x04
 #define SYSCLKDIV_1		(0x1 << 6)
 #define SYSCLKDIV_2		(0x1 << 7)
 
diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h
index 08b9c99..feddb7d 100644
--- a/arch/arm/include/asm/arch-omap4/cpu.h
+++ b/arch/arm/include/asm/arch-omap4/cpu.h
@@ -168,4 +168,15 @@
 #define OMAP_GPIO_CLEARDATAOUT		0x0190
 #define OMAP_GPIO_SETDATAOUT		0x0194
 
+/*
+ * PRCM
+ */
+
+/* PRM */
+#define PRM_BASE		0x4A306000
+#define PRM_DEVICE_BASE		(PRM_BASE + 0x1B00)
+
+#define PRM_RSTCTRL		PRM_DEVICE_BASE
+#define PRM_RSTCTRL_RESET	0x01
+
 #endif /* _CPU_H */
diff --git a/arch/arm/include/asm/arch-omap4/omap.h b/arch/arm/include/asm/arch-omap4/omap.h
index 3a39787..47c5883 100644
--- a/arch/arm/include/asm/arch-omap4/omap.h
+++ b/arch/arm/include/asm/arch-omap4/omap.h
@@ -101,17 +101,6 @@
 #define TCLR_AR			(0x1 << 1)
 #define TCLR_PRE		(0x1 << 5)
 
-/*
- * PRCM
- */
-
-/* PRM */
-#define PRM_BASE		0x4A306000
-#define PRM_DEVICE_BASE		(PRM_BASE + 0x1B00)
-
-#define PRM_RSTCTRL		PRM_DEVICE_BASE
-#define PRM_RSTCTRL_RESET	0x01
-
 /* Control Module */
 #define LDOSRAM_ACTMODE_VSET_IN_MASK	(0x1F << 5)
 #define LDOSRAM_VOLT_CTRL_OVERRIDE	0x0401040f
diff --git a/arch/arm/include/asm/arch-omap5/cpu.h b/arch/arm/include/asm/arch-omap5/cpu.h
index 0697a73..8ef17c9 100644
--- a/arch/arm/include/asm/arch-omap5/cpu.h
+++ b/arch/arm/include/asm/arch-omap5/cpu.h
@@ -172,4 +172,15 @@
 #define OMAP_GPIO_CLEARDATAOUT		0x0190
 #define OMAP_GPIO_SETDATAOUT		0x0194
 
+/*
+ * PRCM
+ */
+
+/* PRM */
+#define PRM_BASE		0x4AE06000
+#define PRM_DEVICE_BASE		(PRM_BASE + 0x1B00)
+
+#define PRM_RSTCTRL		PRM_DEVICE_BASE
+#define PRM_RSTCTRL_RESET	0x01
+
 #endif /* _CPU_H */
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index d672b6f..e3f55d2 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -98,17 +98,6 @@
 #define TCLR_AR			(0x1 << 1)
 #define TCLR_PRE		(0x1 << 5)
 
-/*
- * PRCM
- */
-
-/* PRM */
-#define PRM_BASE		0x4AE06000
-#define PRM_DEVICE_BASE		(PRM_BASE + 0x1B00)
-
-#define PRM_RSTCTRL		PRM_DEVICE_BASE
-#define PRM_RSTCTRL_RESET	0x01
-
 /* Control Module */
 #define LDOSRAM_ACTMODE_VSET_IN_MASK	(0x1F << 5)
 #define LDOSRAM_VOLT_CTRL_OVERRIDE	0x0401040f