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soc/amd/common: Revert PI blob search hack 

Remove the check for CONFIG_VBOOT when finding the binaryPI blob and
rely on the cbfs search 100% of the time.  The change was initially
put in to avoid a hang when vboot presearched memory for the blob.
The implementation now supports early cbmem init and cbmem_top() is
careful to return 0 if DRAM has not yet been set up.  As a result the
hang no longer occurs and the hack may be removed safely.

BUG=b:67747902

Change-Id: I1f38709fcce250b0902a639ebf0554219bc47cf8
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22053
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Marshall Dawson 2017-10-12 15:57:19 -06:00 committed by Martin Roth
parent 1899fbe420
commit 3191e0fcf5
1 changed files with 2 additions and 8 deletions
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6
src/soc/amd/common/agesawrapper.c
View File

@ -395,14 +395,8 @@ const void *agesawrapper_locate_module (const CHAR8 name[8])
const AMD_MODULE_HEADER* module;
size_t file_size;
if (IS_ENABLED(CONFIG_VBOOT)) {
/* Use phys. location in flash and prevent vboot from searching cbmem */
agesa = (void *)CONFIG_AGESA_BINARY_PI_LOCATION;
file_size = 0x100000;
} else {
agesa = cbfs_boot_map_with_leak((const char *)CONFIG_AGESA_CBFS_NAME,
CBFS_TYPE_RAW, &file_size);
}
if (!agesa)
return NULL;