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soc/amd/common/block/cpu: Refactor ucode allocation

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Move microcode load/unload to pre_mp_init and post_mp_init callbacks.
It allows to make sure that ucode is freed only if all APs updated
microcode.

BUG=b:278264488
TEST=Build and run with additional debug prints added
to confirm that data are correctly unmapped

Change-Id: I200d24df6157cc6d06bade34809faefea9f0090a
Signed-off-by: Grzegorz Bernacki <bernacki@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74777
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
This commit is contained in:
Grzegorz Bernacki 2023-04-25 15:30:14 +00:00 • committed by Martin L Roth
commit d34dbe5888
8 changed files with 64 additions and 39 deletions
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3
src/include/cpu/amd/microcode.h
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@ -4,6 +4,9 @@
#define CPU_AMD_MICROCODE_H
void amd_update_microcode_from_cbfs(void);
void amd_load_microcode_from_cbfs(void);
void amd_free_microcode(void);
void amd_apply_microcode_patch(void);
void preload_microcode(void);
#endif /* CPU_AMD_MICROCODE_H */