Change in coreboot[master]: intel: cse_lite: Use cbfs_unverified_area API

[Julius Werner (Code Review)]

Julius Werner has submitted this change. ( https://review.coreboot.org/c/coreboot/+/59679 )

Change subject: intel: cse_lite: Use cbfs_unverified_area API
......................................................................

intel: cse_lite: Use cbfs_unverified_area API

This patch replaces the use of the deprecated
cbfs_locate_file_in_region() API with the new
cbfs_unverified_area_map().

Signed-off-by: Julius Werner 
Change-Id: If4855280d6d06cf1aa646fded916fd830b287b30
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59679
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
---
M src/soc/intel/common/block/cse/cse_lite.c
1 file changed, 8 insertions(+), 30 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved

diff --git a/src/soc/intel/common/block/cse/cse_lite.c b/src/soc/intel/common/block/cse/cse_lite.c
index 281d381..bb64444 100644
--- a/src/soc/intel/common/block/cse/cse_lite.c
+++ b/src/soc/intel/common/block/cse/cse_lite.c
@@ -2,7 +2,6 @@

#include <console/console.h>
 #include <cbfs.h>
-#include <commonlib/cbfs.h>
 #include <commonlib/region.h>
 #include <fmap.h>
 #include <intelblocks/cse.h>
@@ -476,26 +475,6 @@
    return CONFIG_SOC_INTEL_CSE_RW_B_FMAP_NAME;
 }

-static bool cse_get_source_rdev(struct region_device *rdev)
-{
-	const char *reg_name;
-	uint32_t cbfs_type = CBFS_TYPE_RAW;
-	struct cbfsf fh;
-
-	reg_name = cse_get_source_rdev_fmap();
-
-	if (reg_name == NULL)
-		return false;
-
-	if (cbfs_locate_file_in_region(&fh, reg_name, CONFIG_SOC_INTEL_CSE_RW_CBFS_NAME,
-				&cbfs_type) < 0)
-		return false;
-
-	cbfs_file_data(rdev, &fh);
-
-	return true;
-}
-
 /*
  * Compare versions of CSE CBFS RW and CSE RW partition
  * If ver_cmp_status = 0, no update is required
@@ -686,15 +665,16 @@
    					      enum cse_update_status status,
    					      struct region_device *target_rdev)
 {
-	struct region_device source_rdev;
    enum csme_failure_reason rv;
    uint8_t *cbfs_rw_hash;
+	size_t size;

-	if (!cse_get_source_rdev(&source_rdev))
+	const char *area_name = cse_get_source_rdev_fmap();
+	if (!area_name)
    	return CSE_LITE_SKU_RW_BLOB_NOT_FOUND;

-	void *cse_cbfs_rw = rdev_mmap_full(&source_rdev);
-
+	void *cse_cbfs_rw = cbfs_unverified_area_map(area_name,
+		CONFIG_SOC_INTEL_CSE_RW_CBFS_NAME, &size);
    if (!cse_cbfs_rw) {
    	printk(BIOS_ERR, "cse_lite: CSE CBFS RW blob could not be mapped\n");
    	return CSE_LITE_SKU_RW_BLOB_NOT_FOUND;
@@ -708,8 +688,7 @@
    	goto error_exit;
    }

-	if (!cse_verify_cbfs_rw_sha256(cbfs_rw_hash, cse_cbfs_rw,
-				       region_device_sz(&source_rdev))) {
+	if (!cse_verify_cbfs_rw_sha256(cbfs_rw_hash, cse_cbfs_rw, size)) {
    	rv = CSE_LITE_SKU_RW_BLOB_SHA256_MISMATCH;
    	goto error_exit;
    }
@@ -719,12 +698,11 @@
    	goto error_exit;
    }

-	rv = cse_update_rw(cse_bp_info, cse_cbfs_rw, region_device_sz(&source_rdev),
-			target_rdev);
+	rv = cse_update_rw(cse_bp_info, cse_cbfs_rw, size, target_rdev);

error_exit:
    cbfs_unmap(cbfs_rw_hash);
-	rdev_munmap(&source_rdev, cse_cbfs_rw);
+	cbfs_unmap(cse_cbfs_rw);
    return rv;
 }