[ARM] 3279/1: OMAP: 1/3 Fix low-level io init

[pandora-kernel.git] / arch / arm / plat-omap / sram.c

diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 792f663..ee82763 100644 (file)
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 
 #include <asm/mach/map.h>
+#include <asm/tlb.h>
 #include <asm/io.h>
 #include <asm/cacheflush.h>
 
@@ -95,6 +96,14 @@ void __init omap_map_sram(void)
               omap_sram_io_desc[0].pfn, omap_sram_io_desc[0].virtual,
               omap_sram_io_desc[0].length);
 
+       /*
+        * Normally devicemaps_init() would flush caches and tlb after
+        * mdesc->map_io(), but since we're called from map_io(), we
+        * must do it here.
+        */
+       local_flush_tlb_all();
+       flush_cache_all();
+
        /*
         * Looks like we need to preserve some bootloader code at the
         * beginning of SRAM for jumping to flash for reboot to work...