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authorAamir Bohra <aamir.bohra@intel.com>2020-04-22 20:46:15 +0530
committerFurquan Shaikh <furquan@google.com>2020-05-11 06:23:33 +0000
commitbc41ccf12c393649a5b274c436f9cf62e71d12c3 (patch)
treeef1b5fad3510bf5daa7b538a4d3c93e1e91921e2 /src/soc
parent137c5c475980a660f4968f231b0f8a62f30575b1 (diff)
soc/intel/jasperlake: Enable end of post support in FSP
Send end of post message to CSME in FSP, by selecting EndOfPost message in PEI phase. In API mode which coreboot currently uses, sending EndOfPost message in DXE phase is not applicable. Change-Id: Ie21dcfc84d331f036090d01ea3e3925b81eea902 Signed-off-by: Aamir Bohra <aamir.bohra@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40612 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/jasperlake/fsp_params.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/soc/intel/jasperlake/fsp_params.c b/src/soc/intel/jasperlake/fsp_params.c
index 28dccabb10..38138be823 100644
--- a/src/soc/intel/jasperlake/fsp_params.c
+++ b/src/soc/intel/jasperlake/fsp_params.c
@@ -14,6 +14,18 @@
#include <soc/soc_chip.h>
#include <string.h>
+/*
+ * ME End of Post configuration
+ * 0 - Disable EOP.
+ * 1 - Send in PEI (Applicable for FSP in API mode)
+ * 2 - Send in DXE (Not applicable for FSP in API mode)
+ */
+enum {
+ EOP_DISABLE,
+ EOP_PEI,
+ EOP_DXE,
+} EndOfPost;
+
static const pci_devfn_t serial_io_dev[] = {
PCH_DEVFN_I2C0,
PCH_DEVFN_I2C1,
@@ -97,6 +109,9 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
/* Unlock upper 8 bytes of RTC RAM */
params->RtcMemoryLock = 0;
+ /* Enable End of Post in PEI phase */
+ params->EndOfPostMessage = EOP_PEI;
+
/* Legacy 8254 timer support */
params->Enable8254ClockGating = !CONFIG_USE_LEGACY_8254_TIMER;
params->Enable8254ClockGatingOnS3 = 1;