davinci: add arch_ioremap() which uses existing static mappings

Add arch-specific ioremap() which uses any existing static mappings in
place of doing a new mapping.  From now on, drivers should always use
ioremap() instead of IO_ADDRESS().

In addition, remove the davinci_[read|write]* macros in favor of using
ioremap.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c
index 1b745c3..c2701d7 100644
--- a/arch/arm/mach-davinci/board-evm.c
+++ b/arch/arm/mach-davinci/board-evm.c
@@ -36,6 +36,9 @@
 #include <mach/common.h>
 #include <mach/i2c.h>
 
+#define DAVINCI_CFC_ATA_BASE		  0x01C66000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE  0x02000000
+
 /* other misc. init functions */
 void __init davinci_psc_init(void);
 void __init davinci_irq_init(void);
@@ -422,7 +425,6 @@
 
 static __init void davinci_evm_irq_init(void)
 {
-	davinci_init_common_hw();
 	davinci_irq_init();
 }