diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-06-17 12:44:06 -0600 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-06-30 22:20:06 +0000 |
| commit | 25d24523886f7f2feb5b017ea24f8900c4c603d4 (patch) | |
| tree | 0027328d0db83b4fdbd4cff58f361ff74d597231 /src/soc | |
| parent | c0e82e705d9a4747b1ccf7e6863c91c1e01bada7 (diff) | |
soc/intel/tigerlake: Send End-of-Post message to CSE
This is done to ensure the CSE will not execute any pre-boot commands
after it receives this command. Verified EOP and error recovery sequence
from Intel doc#612229
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Iae6b2eac11c065749e57c5337d81ed20044fc903
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/tigerlake/Kconfig | 1 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/fsp_params.c | 12 |
2 files changed, 7 insertions, 6 deletions
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig index 7bc2ba2b0c..e41d7a7dfd 100644 --- a/src/soc/intel/tigerlake/Kconfig +++ b/src/soc/intel/tigerlake/Kconfig @@ -72,6 +72,7 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON_PCH_BASE select SOC_INTEL_COMMON_RESET select SOC_INTEL_COMMON_BLOCK_POWER_LIMIT + select SOC_INTEL_CSE_SET_EOP select SSE2 select SUPPORT_CPU_UCODE_IN_CBFS select TSC_MONOTONIC_TIMER diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c index 63332fea12..e7fe51a2cd 100644 --- a/src/soc/intel/tigerlake/fsp_params.c +++ b/src/soc/intel/tigerlake/fsp_params.c @@ -43,10 +43,10 @@ * 2 - Send in DXE (Not applicable for FSP in API mode) */ enum { - EOP_DISABLE, - EOP_PEI, - EOP_DXE, -} EndOfPost; + EOP_DISABLE = 0, + EOP_PEI = 1, + EOP_DXE = 2, +}; /* * Chip config parameter PcieRpL1Substates uses (UPD value + 1) @@ -403,8 +403,8 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->RtcMemoryLock = 1; } - /* Enable End of Post in PEI phase */ - params->EndOfPostMessage = EOP_PEI; + /* coreboot will send EOP before loading payload */ + params->EndOfPostMessage = EOP_DISABLE; /* USB */ for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) { |