ARM: OMAP4: Add mapping for ABE

This patch adds static mapping for Audio Back End
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>

arch/arm/mach-omap2/io.c

@@ -202,6 +202,12 @@ static struct map_desc omap44xx_io_desc[] __initdata = {
 		.length		= L4_PER_44XX_SIZE,
 		.type		= MT_DEVICE,
 	},
+	{
+		.virtual	= L3_ABE_44XX_VIRT,
+		.pfn		= __phys_to_pfn(L3_ABE_44XX_PHYS),
+		.length		= L3_ABE_44XX_SIZE,
+		.type		= MT_DEVICE,
+	},
 	{
 		.virtual	= L4_EMU_44XX_VIRT,
 		.pfn		= __phys_to_pfn(L4_EMU_44XX_PHYS),

arch/arm/plat-omap/include/mach/io.h

@@ -180,6 +180,10 @@
 #define L4_PER_44XX_VIRT	0xd8000000
 #define L4_PER_44XX_SIZE	SZ_4M
 
+#define L3_ABE_44XX_PHYS	L3_ABE_44XX_BASE
+#define L3_ABE_44XX_VIRT	0xd9000000
+#define L3_ABE_44XX_SIZE	SZ_1M
+
 #define L4_EMU_44XX_PHYS	L4_EMU_44XX_BASE
 #define L4_EMU_44XX_VIRT	0xe4000000
 #define L4_EMU_44XX_SIZE	SZ_64M

arch/arm/plat-omap/include/mach/omap44xx.h

@@ -22,6 +22,8 @@
 #define L4_PER_44XX_BASE		0x48000000
 #define L4_EMU_44XX_BASE		0x54000000
 #define L3_44XX_BASE			0x44000000
+#define L3_ABE_44XX_BASE		0x49000000
+
 #define OMAP4430_32KSYNCT_BASE		0x4a304000
 #define OMAP4430_CM_BASE		0x4a004000
 #define OMAP4430_PRM_BASE		0x48306000

arch/arm/plat-omap/io.c

@@ -116,6 +116,8 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
 			return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT);
 		if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE))
 			return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT);
+		if (BETWEEN(p, L3_ABE_44XX_PHYS, L3_ABE_44XX_SIZE))
+			return XLATE(p, L3_ABE_44XX_PHYS, L3_ABE_44XX_VIRT);
 		if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE))
 			return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT);
 	}