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-rw-r--r--src/soc/amd/common/block/pi/agesawrapper.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/src/soc/amd/common/block/pi/agesawrapper.c b/src/soc/amd/common/block/pi/agesawrapper.c
index f72810fed9..436bf8f253 100644
--- a/src/soc/amd/common/block/pi/agesawrapper.c
+++ b/src/soc/amd/common/block/pi/agesawrapper.c
@@ -22,6 +22,7 @@
#include <delay.h>
#include <rules.h>
#include <rmodule.h>
+#include <stage_cache.h>
#include <string.h>
#include <timestamp.h>
#include <amdblocks/s3_resume.h>
@@ -559,10 +560,22 @@ static int agesa_locate_stage_file_ramstage(const char *name,
.prog = &prog,
};
- if (prog_locate(&prog))
- return -1;
- if (rmodule_stage_load(&rmod_agesa) < 0)
- return -1;
+ if (acpi_is_wakeup_s3() && !IS_ENABLED(CONFIG_NO_STAGE_CACHE)) {
+ printk(BIOS_INFO, "AGESA: Loading stage from cache\n");
+ // There is no way to tell if this succeeded.
+ stage_cache_load_stage(STAGE_REFCODE, &prog);
+ } else {
+ if (prog_locate(&prog))
+ return -1;
+
+ if (rmodule_stage_load(&rmod_agesa) < 0)
+ return -1;
+
+ if (!IS_ENABLED(CONFIG_NO_STAGE_CACHE)) {
+ printk(BIOS_INFO, "AGESA: Saving stage to cache\n");
+ stage_cache_add(STAGE_REFCODE, &prog);
+ }
+ }
return rdev_chain(rdev, prog_rdev(&prog), 0,
region_device_sz(prog_rdev(&prog)));