diff options
Diffstat (limited to 'src/drivers/intel/fsp2_0/util.c')
| -rw-r--r-- | src/drivers/intel/fsp2_0/util.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/util.c b/src/drivers/intel/fsp2_0/util.c index e8c587628e..cfa83d7e0e 100644 --- a/src/drivers/intel/fsp2_0/util.c +++ b/src/drivers/intel/fsp2_0/util.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ +#include <boot/coreboot_tables.h> #include <device/mmio.h> #include <cbfs.h> #include <cf9_reset.h> @@ -208,3 +209,38 @@ enum cb_err fsp_load_component(struct fsp_load_descriptor *fspld, struct fsp_hea return CB_SUCCESS; } + +/* Only call this function when FSP header has been read and validated */ +void fsp_get_version(char *buf) +{ + struct fsp_header *hdr = &fsps_hdr; + union { + uint32_t val; + struct { + uint8_t bld_num; + uint8_t revision; + uint8_t minor; + uint8_t major; + } rev; + } revision; + + revision.val = hdr->fsp_revision; + snprintf(buf, FSP_VER_LEN, "%u.%u-%u.%u.%u.%u", (hdr->spec_version >> 4), + hdr->spec_version & 0xf, revision.rev.major, + revision.rev.minor, revision.rev.revision, revision.rev.bld_num); +} + +/* Add FSP version to coreboot table LB_TAG_PLATFORM_BLOB_VERSION */ +void lb_string_platform_blob_version(struct lb_header *header) +{ + struct lb_string *rec; + size_t len; + char fsp_version[FSP_VER_LEN] = {0}; + + fsp_get_version(fsp_version); + rec = (struct lb_string *)lb_new_record(header); + rec->tag = LB_TAG_PLATFORM_BLOB_VERSION; + len = strlen(fsp_version); + rec->size = ALIGN_UP(sizeof(*rec) + len + 1, 8); + memcpy(rec->string, fsp_version, len+1); +} |