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| author | Renato Andreola <renato.andreola@imagos.it> | 2009-11-23 16:45:14 -0500 |
|---|---|---|
| committer | Scott McNutt <smcnutt@psyent.com> | 2009-11-23 16:45:14 -0500 |
| commit | 0a7691e820e33b23f61c6ea0ef6fa72099d1a6ae (patch) | |
| tree | 7cbdc3e5c33192a7fb3cd7f0157231dca09fa1df /lib_nios2/bootm.c | |
| parent | de03825386eaedb5e17261dd87cde86e9a764ba9 (diff) | |
| download | u-boot-imx-0a7691e820e33b23f61c6ea0ef6fa72099d1a6ae.zip u-boot-imx-0a7691e820e33b23f61c6ea0ef6fa72099d1a6ae.tar.gz u-boot-imx-0a7691e820e33b23f61c6ea0ef6fa72099d1a6ae.tar.bz2 | |
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>
Diffstat (limited to 'lib_nios2/bootm.c')
| -rw-r--r-- | lib_nios2/bootm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib_nios2/bootm.c b/lib_nios2/bootm.c index 53fd569..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 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) 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 ;-) */ |