diff options
Diffstat (limited to 'src/soc/broadcom/cygnus/bootblock.c')
| -rw-r--r-- | src/soc/broadcom/cygnus/bootblock.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/soc/broadcom/cygnus/bootblock.c b/src/soc/broadcom/cygnus/bootblock.c index 37edf7f771..3c6d242d76 100644 --- a/src/soc/broadcom/cygnus/bootblock.c +++ b/src/soc/broadcom/cygnus/bootblock.c @@ -17,13 +17,20 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <arch/cache.h> #include <bootblock_common.h> -#include <console/console.h> +#include <stddef.h> +#include <symbols.h> void bootblock_soc_init(void) { /* - * typically, this is the place where mmu is initialized to enable - * cache. it helps speed up vboot verification. + * not only for speed but for preventing the cpu from crashing. + * the cpu is not happy when cache is cleaned without mmu turned on. */ + mmu_init(); + mmu_config_range(0, 4096, DCACHE_OFF); + mmu_config_range_kb((uintptr_t)_sram/KiB, _sram_size/KiB, + DCACHE_WRITETHROUGH); + dcache_mmu_enable(); } |