diff options
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/car/clear_init_ram.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/cpu/amd/car/clear_init_ram.c b/src/cpu/amd/car/clear_init_ram.c index ff05f0d439..8b97129ec6 100644 --- a/src/cpu/amd/car/clear_init_ram.c +++ b/src/cpu/amd/car/clear_init_ram.c @@ -6,8 +6,13 @@ static void __attribute__((noinline)) clear_init_ram(void) // gcc 3.4.5 will inline the copy_and_run and clear_init_ram in post_cache_as_ram // will reuse %edi as 0 from clear_memory for copy_and_run part, actually it is increased already // so noline clear_init_ram - clear_memory(0, ((CONFIG_LB_MEM_TOPK<<10) - DCACHE_RAM_SIZE)); +#if HAVE_ACPI_RESUME == 1 + /* clear only coreboot used region of memory. Note: this may break ECC enabled boards */ + clear_memory( _RAMBASE, (CONFIG_LB_MEM_TOPK << 10) - _RAMBASE - DCACHE_RAM_SIZE); +#else + clear_memory(0, ((CONFIG_LB_MEM_TOPK<<10) - DCACHE_RAM_SIZE)); +#endif } /* be warned, this file will be used by core other than core 0/node 0 or core0/node0 when cpu_reset*/ |