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authorSubrata Banik <subrata.banik@intel.com>2020-12-22 10:54:44 +0530
committerSubrata Banik <subrata.banik@intel.com>2021-01-06 02:46:43 +0000
commit99289a89a3e4bb1376340a56de4ae03a1596de5d (patch)
treecb7787fa81d93b2904ebc04cb426c1bcda243ce3 /src/soc/intel/alderlake
parent12defa9ee70e94c746f8713606e90d9f14f7eee4 (diff)
soc/intel/alderlake: Update CPU microcode patch base address/size
This patch updates CPU microcode patch base address/size to FSP-S UPD to have second microcode patch loaded successfully to enable Mcheck flow. This is new feature requirement for ADL as per new Mcheck initialization flow. BUG=b:176551651 TEST=Able to reach beyond PC6 without any MCE. Change-Id: I936816e3173dbcdf82b2b16b465f6b4ed5d90335 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48847 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Aamir Bohra <aamir.bohra@intel.com> Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/alderlake')
-rw-r--r--src/soc/intel/alderlake/fsp_params.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index a21ca4a1b5..6de8649cb8 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
+#include <cbfs.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
@@ -89,6 +90,8 @@ __weak void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *
void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
{
int i;
+ const struct microcode *microcode_file;
+ size_t microcode_len;
FSP_S_CONFIG *params = &supd->FspsConfig;
struct device *dev;
@@ -99,6 +102,14 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
/* Parse device tree and enable/disable Serial I/O devices */
parse_devicetree(params);
+ microcode_file = cbfs_map("cpu_microcode_blob.bin", &microcode_len);
+
+ if ((microcode_file != NULL) && (microcode_len != 0)) {
+ /* Update CPU Microcode patch base address/size */
+ params->MicrocodeRegionBase = (uint32_t)microcode_file;
+ params->MicrocodeRegionSize = (uint32_t)microcode_len;
+ }
+
/* Load VBT before devicetree-specific config. */
params->GraphicsConfigPtr = (uintptr_t)vbt_get();