intel/mtl: Add get_cse_ver_from_cbfs function
This patch implements helper function get_cse_ver_from_cbfs() to
retrieve the CSE Lite version from CBFE RW's metadata and calls
the helper function from cse_check_update_status()
TEST=Verified CSE Lite version in coreboot boot log
Signed-off-by: Ashish Kumar Mishra <ashish.k.mishra@intel.com>
Change-Id: Ie1bf186adfc3f87826a7ce9b0167a6bbe6767299
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74755
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Himanshu Sahdev <himanshu.sahdev@intel.com>
diff --git a/src/soc/intel/common/block/cse/cse_lite.c b/src/soc/intel/common/block/cse/cse_lite.c
index d6c8347..460910b 100644
--- a/src/soc/intel/common/block/cse/cse_lite.c
+++ b/src/soc/intel/common/block/cse/cse_lite.c
@@ -630,31 +630,45 @@
return true;
}
+static enum cb_err get_cse_ver_from_cbfs(struct fw_version *cbfs_rw_version)
+{
+ char *version_str, *cbfs_ptr;
+ size_t size;
+
+ if (cbfs_rw_version == NULL)
+ return CB_ERR;
+
+ cbfs_ptr = cbfs_map(CONFIG_SOC_INTEL_CSE_RW_VERSION_CBFS_NAME, &size);
+ version_str = cbfs_ptr;
+ if (!version_str) {
+ printk(BIOS_ERR, "cse_lite: Failed to get %s\n",
+ CONFIG_SOC_INTEL_CSE_RW_VERSION_CBFS_NAME);
+ return CB_ERR;
+ }
+
+ if (!read_ver_field(version_str, &cbfs_ptr, size, &cbfs_rw_version->major) ||
+ !read_ver_field(version_str, &cbfs_ptr, size, &cbfs_rw_version->minor) ||
+ !read_ver_field(version_str, &cbfs_ptr, size, &cbfs_rw_version->hotfix) ||
+ !read_ver_field(version_str, &cbfs_ptr, size, &cbfs_rw_version->build)) {
+ cbfs_unmap(version_str);
+ return CB_ERR;
+ }
+
+ cbfs_unmap(version_str);
+ return CB_SUCCESS;
+}
+
static enum cse_update_status cse_check_update_status(const struct cse_bp_info *cse_bp_info,
- struct region_device *target_rdev)
+ struct region_device *target_rdev)
{
int ret;
struct fw_version cbfs_rw_version;
- char *version_str, *ptr;
- size_t size;
if (!cse_is_rw_bp_sign_valid(target_rdev))
return CSE_UPDATE_CORRUPTED;
- ptr = version_str = cbfs_map(CONFIG_SOC_INTEL_CSE_RW_VERSION_CBFS_NAME, &size);
- if (!version_str) {
- printk(BIOS_ERR, "cse_lite: Failed to get %s\n",
- CONFIG_SOC_INTEL_CSE_RW_VERSION_CBFS_NAME);
+ if (get_cse_ver_from_cbfs(&cbfs_rw_version) == CB_ERR)
return CSE_UPDATE_METADATA_ERROR;
- }
-
- if (!read_ver_field(version_str, &ptr, size, &cbfs_rw_version.major) ||
- !read_ver_field(version_str, &ptr, size, &cbfs_rw_version.minor) ||
- !read_ver_field(version_str, &ptr, size, &cbfs_rw_version.hotfix) ||
- !read_ver_field(version_str, &ptr, size, &cbfs_rw_version.build)) {
- cbfs_unmap(version_str);
- return CSE_UPDATE_METADATA_ERROR;
- }
printk(BIOS_DEBUG, "cse_lite: CSE CBFS RW version : %d.%d.%d.%d\n",
cbfs_rw_version.major,
@@ -662,8 +676,6 @@
cbfs_rw_version.hotfix,
cbfs_rw_version.build);
- cbfs_unmap(version_str);
-
ret = cse_compare_sub_part_version(&cbfs_rw_version, cse_get_rw_version(cse_bp_info));
if (ret == 0)
return CSE_UPDATE_NOT_REQUIRED;