soc/intel/common/cse: Add support to get CSME timestamps
This command retrieves a set of boot performance timestamps
CSME collected during the platform's last boot flow.
BUG=b:182575295
TEST=Verify CSME timestamps after S3 and boot.
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Change-Id: Ic6f7962c49b38d458680d51ee1cd709805f73b66
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58993
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/soc/intel/common/block/cse/cse_lite.c b/src/soc/intel/common/block/cse/cse_lite.c
index 6edbd84..67dae1c 100644
--- a/src/soc/intel/common/block/cse/cse_lite.c
+++ b/src/soc/intel/common/block/cse/cse_lite.c
@@ -127,6 +127,38 @@
struct cse_bp_info bp_info;
} __packed;
+
+bool cse_get_boot_performance_data(struct cse_boot_perf_rsp *boot_perf_rsp)
+{
+ struct cse_boot_perf_req {
+ struct mkhi_hdr hdr;
+ uint32_t reserved;
+ } __packed;
+
+ struct cse_boot_perf_req req = {
+ .hdr.group_id = MKHI_GROUP_ID_BUP_COMMON,
+ .hdr.command = MKHI_BUP_COMMON_GET_BOOT_PERF_DATA,
+ .reserved = 0,
+ };
+
+ size_t resp_size = sizeof(struct cse_boot_perf_rsp);
+
+ if (!heci_send_receive(&req, sizeof(req), boot_perf_rsp, &resp_size,
+ HECI_MKHI_ADDR)) {
+ printk(BIOS_ERR, "cse_lite: Could not get boot performance data\n");
+ return false;
+ }
+
+ if (boot_perf_rsp->hdr.result) {
+ printk(BIOS_ERR, "cse_lite: Get boot performance data resp failed: %d\n",
+ boot_perf_rsp->hdr.result);
+ return false;
+ }
+
+ return true;
+}
+
+
static uint8_t cse_get_current_bp(const struct cse_bp_info *cse_bp_info)
{
return cse_bp_info->current_bp;