mediatek/mt8183: Add EMI init for DDR driver init

Add EMI config to initialize memory.

BRANCH=none
TEST=Boots correctly on Kukui, and inits DRAM successfully with related
     patches.
Signed-off-by: Huayang Duan <huayang.duan@mediatek.com>

Change-Id: I945181aa1c901fe78ec1f4478a928c600c1b1dea
Reviewed-on: https://review.coreboot.org/28835
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/soc/mediatek/mt8183/memory.c b/src/soc/mediatek/mt8183/memory.c
new file mode 100644
index 000000000000..643ca6bb2f88
--- /dev/null
+++ b/src/soc/mediatek/mt8183/memory.c
@@ -0,0 +1,22 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <soc/emi.h>
+
+void mt_mem_init(const struct sdram_params *params)
+{
+	/* memory calibration */
+	mt_set_emi(params);
+}