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authorSridhar Siricilla <sridhar.siricilla@intel.com>2021-03-12 18:28:03 +0530
committerPatrick Georgi <pgeorgi@google.com>2021-03-17 08:01:14 +0000
commit61dd05e010d91447eafff11cd65baab4e21e0bdb (patch)
tree0bd58dc3ca3e27bd80e645a6f7a0418d6cde6cb7
parent4248d8e7bb1934979a2fc1b4479429a068f0441f (diff)
downloadcoreboot-61dd05e010d91447eafff11cd65baab4e21e0bdb.tar.xz
soc/intel/alderlake: Enable CSE Lite driver for ADL platform in romstage
This patch sets up cse_fw_sync() call in the romstage. The cse_fw_sync() must be called after DRAM initialization. Test=Verified on Alderlake platform Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com> Change-Id: I6779f4a9e140deebf7f3cecd9fc5dac18813f246 Reviewed-on: https://review.coreboot.org/c/coreboot/+/51441 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
-rw-r--r--src/soc/intel/alderlake/romstage/romstage.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/soc/intel/alderlake/romstage/romstage.c b/src/soc/intel/alderlake/romstage/romstage.c
index cc3126bb41..d7ef14d11f 100644
--- a/src/soc/intel/alderlake/romstage/romstage.c
+++ b/src/soc/intel/alderlake/romstage/romstage.c
@@ -129,6 +129,15 @@ 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();
+ }
}