ARM: DRA7: Reuse io tables and add a new .init_early

The IO descriptor tables for DRA7 are a complete reuse from OMAP5.
A new dra7xx_init_early() does the base address inits.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>

arch/arm/mach-omap2/common.h

@@ -110,6 +110,7 @@ void omap3630_init_late(void);
 void am35xx_init_late(void);
 void ti81xx_init_late(void);
 int omap2_common_pm_late_init(void);
+void dra7xx_init_early(void);
 
 #ifdef CONFIG_SOC_BUS
 void omap_soc_device_init(void);

arch/arm/mach-omap2/io.c

@@ -251,7 +251,7 @@ static struct map_desc omap44xx_io_desc[] __initdata = {
 };
 #endif
 
-#ifdef	CONFIG_SOC_OMAP5
+#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
 static struct map_desc omap54xx_io_desc[] __initdata = {
 	{
 		.virtual	= L3_54XX_VIRT,
@@ -333,7 +333,7 @@ void __init omap4_map_io(void)
 }
 #endif
 
-#ifdef CONFIG_SOC_OMAP5
+#if defined(CONFIG_SOC_OMAP5) ||  defined(CONFIG_SOC_DRA7XX)
 void __init omap5_map_io(void)
 {
 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
@@ -653,6 +653,22 @@ void __init omap5_init_early(void)
 }
 #endif
 
+#ifdef CONFIG_SOC_DRA7XX
+void __init dra7xx_init_early(void)
+{
+	omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
+	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
+				  OMAP2_L4_IO_ADDRESS(DRA7XX_CTRL_BASE));
+	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
+	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(DRA7XX_CM_CORE_AON_BASE),
+			     OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
+	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
+	omap_prm_base_init();
+	omap_cm_base_init();
+}
+#endif
+
+
 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 				      struct omap_sdrc_params *sdrc_cs1)
 {

arch/arm/mach-omap2/omap54xx.h

@@ -30,4 +30,8 @@
 #define OMAP54XX_CTRL_BASE		0x4a002800
 #define OMAP54XX_SAR_RAM_BASE		0x4ae26000
 
+#define DRA7XX_CM_CORE_AON_BASE		0x4a005000
+#define DRA7XX_CTRL_BASE		0x4a003400
+#define DRA7XX_TAP_BASE			0x4ae0c000
+
 #endif /* __ASM_SOC_OMAP555554XX_H */