haswell: Relocate `mainboard_romstage_entry` to northbridge

This is what sandybridge does, and if done properly allows factoring out
common settings. Said refactoring will be handled in subsequent commits.

Change-Id: I075eba1324a9e7cbd47e776b097eb940102ef4fe
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43108
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/northbridge/intel/haswell/raminit.h b/src/northbridge/intel/haswell/raminit.h
index 920ee0fabd..140ea2088d 100644
--- a/src/northbridge/intel/haswell/raminit.h
+++ b/src/northbridge/intel/haswell/raminit.h
@@ -8,6 +8,9 @@
 /* Optional function to copy SPD data for on-board memory */
 void copy_spd(struct pei_data *peid);
 
+/* Necessary function to initialize pei_data with mainboard-specific settings */
+void mainboard_fill_pei_data(struct pei_data *pei_data);
+
 void sdram_initialize(struct pei_data *pei_data);
 void setup_sdram_meminfo(struct pei_data *pei_data);
 int fixup_haswell_errata(void);