ARM: O5/dra7xx: Add SATA boot support

Add the SATA boot support for OMAP5 and dra7xx.

Renamed the omap_sata_init to the common init_sata(int dev)
for commonality in with sata stack.

Added the ROM boot device ID for SATA.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/cpu/armv7/omap-common/sata.c b/arch/arm/cpu/armv7/omap-common/sata.c
index f5468c4..cad4fee 100644
--- a/arch/arm/cpu/armv7/omap-common/sata.c
+++ b/arch/arm/cpu/armv7/omap-common/sata.c
@@ -12,6 +12,7 @@
 #include <scsi.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sata.h>
+#include <sata.h>
 #include <asm/io.h>
 #include "pipe3-phy.h"
 
@@ -31,7 +32,7 @@
 	.dpll_map = dpll_map_sata,
 };
 
-int omap_sata_init(void)
+int init_sata(int dev)
 {
 	int ret;
 	u32 val;
diff --git a/arch/arm/include/asm/arch-omap5/sata.h b/arch/arm/include/asm/arch-omap5/sata.h
index 2ca8947..b69165b 100644
--- a/arch/arm/include/asm/arch-omap5/sata.h
+++ b/arch/arm/include/asm/arch-omap5/sata.h
@@ -36,13 +36,4 @@
 #define TI_SATA_IDLE_SMART_WAKE			(0x3 << 2)
 #define TI_SATA_IDLE_SMART			(0x2 << 2)
 
-#ifdef CONFIG_SCSI_AHCI_PLAT
-int omap_sata_init(void);
-#else
-static inline int omap_sata_init(void)
-{
-	return 0;
-}
-#endif /* CONFIG_SCSI_AHCI_PLAT */
-
 #endif /* _TI_SATA_H */
diff --git a/arch/arm/include/asm/arch-omap5/spl.h b/arch/arm/include/asm/arch-omap5/spl.h
index 2d5a62e..4a279cf 100644
--- a/arch/arm/include/asm/arch-omap5/spl.h
+++ b/arch/arm/include/asm/arch-omap5/spl.h
@@ -15,6 +15,7 @@
 #define BOOT_DEVICE_MMC1        5
 #define BOOT_DEVICE_MMC2        6
 #define BOOT_DEVICE_MMC2_2	7
+#define BOOT_DEVICE_SATA	9
 #define BOOT_DEVICE_SPI		10
 #define BOOT_DEVICE_UART	0x43