Nios2: do_boom_linux(): kernel gunzip input data integrity problem due to
missing cache flush.
Added instruction and data caches flush.
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
diff --git a/lib_nios2/bootm.c b/lib_nios2/bootm.c
index 53fd5691..675bfac 100644
--- a/lib_nios2/bootm.c
+++ b/lib_nios2/bootm.c
@@ -24,6 +24,7 @@
#include <common.h>
#include <command.h>
#include <asm/byteorder.h>
+#include <asm/cache.h>
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
@@ -32,6 +33,10 @@
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
+ /* flushes data and instruction caches before calling the kernel */
+ flush_dcache (0,CONFIG_SYS_DCACHE_SIZE);
+ flush_icache (0,CONFIG_SYS_ICACHE_SIZE);
+
/* For now we assume the Microtronix linux ... which only
* needs to be called ;-)
*/