soc/mediatek/mt8195: Add a stub implementation of the MT8195 SoC

TEST=boot from SPI-NOR and show console message at bootblock stage.

Change-Id: Ia93430006096b7410393ab31fee4ea40598d0b34
Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52258
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/soc/mediatek/mt8195/emi.c b/src/soc/mediatek/mt8195/emi.c
new file mode 100644
index 0000000000..120665a29b
--- /dev/null
+++ b/src/soc/mediatek/mt8195/emi.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/emi.h>
+
+size_t sdram_size(void)
+{
+	return (size_t)4 * GiB;
+}