diff options
| author | Tony Lindgren <tony@atomide.com> | 2006-02-08 22:06:45 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-02-08 22:06:45 +0000 |
| commit | 53d9cc7395c8dbe8d7fd6f9acd6578b236d14a0f (patch) | |
| tree | 5ff13b4064bfee3b5149aa49c806d5db36e5e7f4 /arch/arm/plat-omap | |
| parent | 083d06edfda28fdee41ac46dc57ad4949927acd9 (diff) | |
[ARM] 3279/1: OMAP: 1/3 Fix low-level io init
Patch from Tony Lindgren
This patch adds the missing cache flushes to common low-level
init that are needed to access the IO region. These flushes
are normally done at the end of devicemaps_init(), but we
need to detect the OMAP core type early.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 792f6637583..ee82763b02b 100644 --- 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> @@ -96,6 +97,14 @@ void __init omap_map_sram(void) 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... */ |