omap3: Consolidate SDRC related operations

Consolidated SDRC related functions into one file - sdrc.c

And also replaced sdrc_init with generic memory init
function (mem_init), this generalization of omap memory setup
is necessary to support the new emif4 interface introduced in AM3517.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

include/configs/devkit8000.h

@@ -38,6 +38,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_DEVKIT8000	1	/* working with DevKit8000 */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_beagle.h

@@ -37,6 +37,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_BEAGLE	1	/* working with BEAGLE */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_evm.h

@@ -42,6 +42,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_EVM	1	/* working with EVM */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>	/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_overo.h

@@ -29,6 +29,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_OVERO	1	/* working with overo */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>	/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_pandora.h

@@ -32,6 +32,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_PANDORA	1	/* working with pandora */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>	/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_sdp3430.h

@@ -42,6 +42,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_3430SDP	1	/* working with SDP Rev2 */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_zoom1.h

@@ -38,6 +38,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_ZOOM1	1	/* working with Zoom MDK Rev1 */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>		/* get chip and board defs */
 #include <asm/arch/omap3.h>
 

include/configs/omap3_zoom2.h

@@ -39,6 +39,8 @@
 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
 #define CONFIG_OMAP3_ZOOM2	1	/* working with Zoom II */
 
+#define CONFIG_SDRC	/* The chip has SDRC controller */
+
 #include <asm/arch/cpu.h>	/* get chip and board defs */
 #include <asm/arch/omap3.h>