arm:adapt MMC driver to also work on the AM335X platform.

Change-Id: I30e69b7bfd377d1dd2b0b458dd00ee411b060285

drivers/mmc/mmchost_mmchs.c

@@ -32,8 +32,13 @@
 
 #ifdef USE_INTR
 static int hook_id = 1;
+#ifdef DM37XX
 #define OMAP3_MMC1_IRQ      83	/* MMC/SD module 1 */
 #endif
+#ifdef AM335X
+#define OMAP3_MMC1_IRQ     64 	/* MMC/SD module 1 */
+#endif
+#endif
 
 #define SANE_TIMEOUT 500000	/* 500 MS */
 /*
@@ -105,7 +110,9 @@ mmchs_init(uint32_t instance)
 	if (base_address == (uint32_t) MAP_FAILED)
 		panic("Unable to map MMC memory");
 
+#ifdef DM37XX
 	base_address = (unsigned long) base_address - 0x100;
+#endif
 
 	/* Soft reset of the controller. This section is documented in the TRM 
 	 */

drivers/mmc/omap_mmc.h

@@ -1,8 +1,13 @@
 ///* TODO: Rename to MMCH_0_REG_BASE and add the base address for the other items */
-//#define MMCHS1_REG_BASE 0x48060000
+#ifdef AM335X
+#define MMCHS1_REG_BASE 0x48060000
+#endif
 
 //#ifdef AM_DM37x_Multimedia_Device
+
+#ifdef DM37XX
 #define MMCHS1_REG_BASE 0x4809C000
+#endif
 //#define MMCHS2_REG_BASE 0x480B4000
 //#define MMCHS3_REG_BASE 0x480AD000
 //#endif

etc/system.conf

@@ -551,7 +551,11 @@ service mmc
 		PRIVCTL		#  4
 		IRQCTL          # 19
 	;
-	irq	83;		# IRQ 83 allowed
+	# Interrupts allowed
+	irq	
+		64
+		83
+	;		# IRQs allowed
 };
 
 service fb