omap mailbox: add initial omap3 support

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 46d3b0b..6b1d506 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -104,6 +104,14 @@
 	  Say Y here if you want support for the OMAP Multichannel
 	  Buffered Serial Port.
 
+config OMAP_MBOX_FWK
+	tristate "Mailbox framework support"
+	depends on ARCH_OMAP
+	default n
+	help
+	  Say Y here if you want to use OMAP Mailbox framework support for
+	  DSP, IVA1.0 and IVA2 in OMAP1/2/3.
+
 choice
         prompt "System timer"
 	default OMAP_MPU_TIMER
diff --git a/arch/arm/plat-omap/include/mach/omap34xx.h b/arch/arm/plat-omap/include/mach/omap34xx.h
index 8e0479f..89173f1 100644
--- a/arch/arm/plat-omap/include/mach/omap34xx.h
+++ b/arch/arm/plat-omap/include/mach/omap34xx.h
@@ -61,6 +61,7 @@
 #define OMAP2_CM_BASE			OMAP3430_CM_BASE
 #define OMAP2_PRM_BASE			OMAP3430_PRM_BASE
 #define OMAP2_VA_IC_BASE		IO_ADDRESS(OMAP34XX_IC_BASE)
+#define OMAP34XX_MAILBOX_BASE		(L4_34XX_BASE + 0x94000)
 
 #endif