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-rw-r--r--src/soc/intel/apollolake/romstage.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/romstage.c b/src/soc/intel/apollolake/romstage.c
index ce28326392..049bf4fe61 100644
--- a/src/soc/intel/apollolake/romstage.c
+++ b/src/soc/intel/apollolake/romstage.c
@@ -241,6 +241,14 @@ void platform_fsp_memory_init_params_cb(struct FSPM_UPD *mupd)
} else
printk(BIOS_DEBUG, "MRC cache was not found\n");
}
+
+ /*
+ * Tell CSE we do not need to use Ring Buffer Protocol (RBP) to fetch
+ * firmware for us if we are using memory-mapped SPI. This lets CSE
+ * state machine transition to next boot state, so that it can function
+ * as designed.
+ */
+ mupd->FspmConfig.SkipCseRbp = IS_ENABLED(CONFIG_SPI_FLASH_MEMORY_MAPPED);
}
__attribute__ ((weak))