diff options
| author | Sridhar Siricilla <sridhar.siricilla@intel.com> | 2020-12-04 02:32:21 +0530 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2020-12-14 18:42:25 +0000 |
| commit | d9d711c7f5dda34cdad9f8ee73dc8fead86fc6eb (patch) | |
| tree | b8138fcdc381c97cdc11498e070d782b6d2210d8 | |
| parent | 551bd92b2b33fb71e74eb8d22db3aea69280a9b7 (diff) | |
soc/intel/tigerlake: Enable CSE Lite driver for TGL platform in romstage
This patch sets up cse_fw_sync() call in the romstage. The cse_fw_sync()
must be called after DRAM initialization.
BUG=b:174694480
Test=Verified on Tigerlake platform
Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Change-Id: Ib485a4d1d15989b162105deb32bb317d7a0f2856
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48281
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/soc/intel/tigerlake/romstage/romstage.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/soc/intel/tigerlake/romstage/romstage.c b/src/soc/intel/tigerlake/romstage/romstage.c index 1fa6c2d180..8b7dc23e49 100644 --- a/src/soc/intel/tigerlake/romstage/romstage.c +++ b/src/soc/intel/tigerlake/romstage/romstage.c @@ -135,6 +135,17 @@ void mainboard_romstage_entry(void) s3wake = pmc_fill_power_state(ps) == ACPI_S3; fsp_memory_init(s3wake); pmc_set_disb(); - if (!s3wake) + if (!s3wake) { + /* + * cse_fw_sync() must be called after DRAM initialization as + * HMRFPO_ENABLE HECI command (which is used by cse_fw_sync()) + * is expected to be executed after DRAM initialization. + */ + + if (CONFIG(SOC_INTEL_CSE_LITE_SKU)) + cse_fw_sync(); + save_dimm_info(); + } + } |