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| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-09-05 17:50:29 -0500 |
|---|---|---|
| committer | Jonathan A. Kollasch <jakllsch@kollasch.net> | 2015-10-24 21:33:07 +0200 |
| commit | 1c4508e77c32e2db7ecba49fe92159242d831f56 (patch) | |
| tree | d2b88b87c525a24b02455850245858202016df11 /src/cpu/amd/car | |
| parent | 1fec04b47e3ebcde3a1b34b81120e3b83c88f323 (diff) | |
cpu/amd: Add initial support for AMD Socket G34 processors
Change-Id: Iccd034f32c26513edd52ca3a11a30f61c362682d
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11940
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Diffstat (limited to 'src/cpu/amd/car')
| -rw-r--r-- | src/cpu/amd/car/post_cache_as_ram.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c index 96df3e7ff8..230d1aa65e 100644 --- a/src/cpu/amd/car/post_cache_as_ram.c +++ b/src/cpu/amd/car/post_cache_as_ram.c @@ -1,4 +1,5 @@ -/* 2005.6 by yhlu +/* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * 2005.6 by yhlu * 2006.3 yhlu add copy data from CAR to ram */ #include <string.h> @@ -46,6 +47,15 @@ static void memset_(void *d, int val, size_t len) memset(d, val, len); } +static int memcmp_(void *d, const void *s, size_t len) +{ +#if PRINTK_IN_CAR + printk(BIOS_SPEW, " Compare [%08x-%08x] with [%08x - %08x] ... ", + (u32) s, (u32) (s + len - 1), (u32) d, (u32) (d + len - 1)); +#endif + return memcmp(d, s, len); +} + static void prepare_romstage_ramstack(void *resume_backup_memory) { size_t backup_top = backup_size(); @@ -110,6 +120,12 @@ void post_cache_as_ram(void) memcpy_(migrated_car, &_car_data_start[0], car_size); print_car_debug("Done\n"); + print_car_debug("Verifying data integrity in RAM... "); + if (memcmp_(migrated_car, &_car_data_start[0], car_size) == 0) + print_car_debug("Done\n"); + else + print_car_debug("FAILED\n"); + /* New stack grows right below migrated_car. */ print_car_debug("Switching to use RAM as stack... "); cache_as_ram_switch_stack(migrated_car); @@ -128,6 +144,7 @@ void cache_as_ram_new_stack (void) disable_cache_as_ram_bsp(); disable_cache(); + /* Enable cached access to RAM in the range 1M to CONFIG_RAMTOP */ set_var_mtrr(0, 0x00000000, CONFIG_RAMTOP, MTRR_TYPE_WRBACK); enable_cache(); |