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CBMEM: Backup top_of_ram instead of cbmem_toc

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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>
This commit is contained in:
Kyösti Mälkki
2013-09-04 13:26:11 +03:00
parent c04afd6433
commit bc90e15d3f
15 changed files with 55 additions and 43 deletions
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src/include/cbmem.h
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@ -132,8 +132,8 @@ u64 cbmem_entry_size(const struct cbmem_entry *entry);
#ifndef __PRE_RAM__
extern uint64_t high_tables_base, high_tables_size;
void set_top_of_ram(uint64_t ramtop);
void backup_top_of_ram(uint64_t ramtop);
void cbmem_late_set_table(uint64_t base, uint64_t size);
void set_cbmem_toc(struct cbmem_entry *);
int cbmem_base_check(void);
#endif