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-rw-r--r--src/mainboard/siemens/mc_ehl/romstage_fsp_params.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_ehl/romstage_fsp_params.c b/src/mainboard/siemens/mc_ehl/romstage_fsp_params.c
index 28fca2da10..d386d756a6 100644
--- a/src/mainboard/siemens/mc_ehl/romstage_fsp_params.c
+++ b/src/mainboard/siemens/mc_ehl/romstage_fsp_params.c
@@ -38,4 +38,8 @@ void mainboard_memory_init_params(FSPM_UPD *memupd)
/* Enable Row-Hammer prevention */
memupd->FspmConfig.RhPrevention = 1;
+ if (CONFIG(BOARD_SIEMENS_MC_EHL1)) {
+ /* Allow writes to EEPROM addresses 0x50..0x57. */
+ memupd->FspmConfig.SmbusSpdWriteDisable = 0;
+ }
}