McBSP preamble patch for 34xx support

this patch modifies the read write function to do
16/32 bit read write depending on CPU.

Signed-off-by: Chandra Shekhar< x0044955@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/mcbsp.c

@@ -30,8 +30,29 @@
 struct omap_mcbsp **mcbsp_ptr;
 int omap_mcbsp_count;
 
+void omap_mcbsp_write(u32 io_base, u16 reg, u32 val)
+{
+	if (cpu_class_is_omap1() || cpu_is_omap2420())
+		__raw_writew((u16)val, io_base + reg);
+	else
+		__raw_writel(val, io_base + reg);
+}
+
+int omap_mcbsp_read(u32 io_base, u16 reg)
+{
+	if (cpu_class_is_omap1() || cpu_is_omap2420())
+		return __raw_readw(io_base + reg);
+	else
+		return __raw_readl(io_base + reg);
+}
+
+#define OMAP_MCBSP_READ(base, reg) \
+			omap_mcbsp_read(base, OMAP_MCBSP_REG_##reg)
+#define OMAP_MCBSP_WRITE(base, reg, val) \
+			omap_mcbsp_write(base, OMAP_MCBSP_REG_##reg, val)
+
 #define omap_mcbsp_check_valid_id(id)	(id < omap_mcbsp_count)
-#define id_to_mcbsp_ptr(id)			mcbsp_ptr[id];
+#define id_to_mcbsp_ptr(id)		mcbsp_ptr[id];
 
 static void omap_mcbsp_dump_reg(u8 id)
 {

include/asm-arm/arch-omap/mcbsp.h

@@ -139,10 +139,6 @@
 
 #endif
 
-#define OMAP_MCBSP_READ(base, reg)		__raw_readw((base) + OMAP_MCBSP_REG_##reg)
-#define OMAP_MCBSP_WRITE(base, reg, val)	__raw_writew((val), (base) + OMAP_MCBSP_REG_##reg)
-
-
 /************************** McBSP SPCR1 bit definitions ***********************/
 #define RRST			0x0001
 #define RRDY			0x0002