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authorKyösti Mälkki <kyosti.malkki@gmail.com>2013-09-04 13:26:11 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2013-09-11 07:18:02 +0200
commitbc90e15d3f8e841ccf229fca5d7df99436ff4bdb (patch)
treebbbd4f2904b42d201d7e2fbccea5bfcbeeeed166 /src/cpu
parentc04afd6433cd53acdc727ad760cde9c40090030b (diff)
CBMEM: Backup top_of_ram instead of cbmem_toc
AMD northbridges have a complex way to resolve top_of_ram. Once it is resolved, it is stored in NVRAM to be used on resume. TODO: Redesign these get_top_of_ram() functions from scratch. Change-Id: I3cceb7e9b8b07620dacf138e99f98dc818c65341 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3557 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/amd/agesa/s3_resume.c3
-rw-r--r--src/cpu/amd/car/post_cache_as_ram.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/src/cpu/amd/agesa/s3_resume.c b/src/cpu/amd/agesa/s3_resume.c
index 6ba9212ab4..fcc1604ad1 100644
--- a/src/cpu/amd/agesa/s3_resume.c
+++ b/src/cpu/amd/agesa/s3_resume.c
@@ -120,7 +120,8 @@ inline void *backup_resume(void)
* printk(BIOS_DEBUG, "CBMEM TOC 0-size:%x\n ",(u32_t)(high_ram_base + HIGH_MEMORY_SIZE + 4096));
*/
- cbmem_reinit((u64) high_ram_base);
+ if (!cbmem_reinit((u64)high_ram_base))
+ return NULL;
resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
if (((u32) resume_backup_memory == 0)
diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c
index 18c278e41a..d20c393a82 100644
--- a/src/cpu/amd/car/post_cache_as_ram.c
+++ b/src/cpu/amd/car/post_cache_as_ram.c
@@ -45,7 +45,8 @@ static inline void *backup_resume(void) {
print_debug_pcar("CBMEM TOC is at: ", (uint32_t)high_ram_base);
print_debug_pcar("CBMEM TOC 0-size: ",(uint32_t)(high_ram_base + HIGH_MEMORY_SIZE + 4096));
- cbmem_reinit((u64)high_ram_base);
+ if (!cbmem_reinit((u64)high_ram_base))
+ return NULL;
resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);