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, 17 insertions, 0 deletions

diff --git a/src/soc/mediatek/mt8195/spi.c b/src/soc/mediatek/mt8195/spi.c
new file mode 100644
index 000000000000..459e46a150e6
--- /dev/null
+++ b/src/soc/mediatek/mt8195/spi.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <soc/addressmap.h>
+#include <soc/spi.h>
+
+static const struct spi_ctrlr spi_flash_ctrlr = {
+	.max_xfer_size = 65535,
+};
+
+const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
+	{
+		.ctrlr = &spi_flash_ctrlr,
+	},
+};
+
+const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);