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-rw-r--r--src/drivers/intel/fsp2_0/memory_init.c45
1 files changed, 24 insertions, 21 deletions
diff --git a/src/drivers/intel/fsp2_0/memory_init.c b/src/drivers/intel/fsp2_0/memory_init.c
index 7b031040c8..368fafa5d7 100644
--- a/src/drivers/intel/fsp2_0/memory_init.c
+++ b/src/drivers/intel/fsp2_0/memory_init.c
@@ -190,8 +190,7 @@ static int mrc_cache_verify_tpm_hash(const uint8_t *data, size_t size)
return 1;
}
-static void fsp_fill_mrc_cache(FSPM_ARCH_UPD *arch_upd, bool s3wake,
- uint32_t fsp_version)
+static void fsp_fill_mrc_cache(FSPM_ARCH_UPD *arch_upd, uint32_t fsp_version)
{
struct region_device rdev;
void *data;
@@ -228,11 +227,9 @@ static void fsp_fill_mrc_cache(FSPM_ARCH_UPD *arch_upd, bool s3wake,
/* MRC cache found */
arch_upd->NvsBufferPtr = data;
- arch_upd->BootMode = s3wake ?
- FSP_BOOT_ON_S3_RESUME :
- FSP_BOOT_ASSUMING_NO_CONFIGURATION_CHANGES;
- printk(BIOS_SPEW, "MRC cache found, size %zx bootmode:%d\n",
- region_device_sz(&rdev), arch_upd->BootMode);
+
+ printk(BIOS_SPEW, "MRC cache found, size %zx\n",
+ region_device_sz(&rdev));
}
static enum cb_err check_region_overlap(const struct memranges *ranges,
@@ -275,22 +272,28 @@ static enum cb_err fsp_fill_common_arch_params(FSPM_ARCH_UPD *arch_upd,
arch_upd->StackBase = (void *)stack_begin;
- arch_upd->BootMode = FSP_BOOT_WITH_FULL_CONFIGURATION;
+ fsp_fill_mrc_cache(arch_upd, fsp_version);
- fsp_fill_mrc_cache(arch_upd, s3wake, fsp_version);
+ /* Configure bootmode */
+ if (s3wake) {
+ /*
+ * For S3 resume case, if valid mrc cache data is not found or
+ * RECOVERY_MRC_CACHE hash verification fails, the S3 data
+ * pointer would be null and S3 resume fails with fsp-m
+ * returning error. Invoking a reset here saves time.
+ */
+ if (!arch_upd->NvsBufferPtr)
+ hard_reset();
+ arch_upd->BootMode = FSP_BOOT_ON_S3_RESUME;
+ } else {
+ if (arch_upd->NvsBufferPtr)
+ arch_upd->BootMode =
+ FSP_BOOT_ASSUMING_NO_CONFIGURATION_CHANGES;
+ else
+ arch_upd->BootMode = FSP_BOOT_WITH_FULL_CONFIGURATION;
+ }
- /*
- * For S3 resume case, if valid mrc cache data is not found
- * or RECOVERY_MRC_CACHE hash verification fails, the S3 data
- * pointer would be null and Bootmode is set to
- * BOOT_WITH_FULL_CONFIGURATION. This gets memory to be retrained
- * in S3 flow. Data context including that of imdr root pointer would
- * be lost, invoking a hard reset in romstage post memory init.
- * Issuing hard reset here, saves fsp memory initialization and
- * training overhead.
- */
- if (s3wake && !arch_upd->NvsBufferPtr)
- hard_reset();
+ printk(BIOS_SPEW, "bootmode is set to :%d\n", arch_upd->BootMode);
return CB_SUCCESS;
}