mb/amd/birman: Add framework for morgana crb birman

birman is the reference board for the morgana SoC.  It needs to be
updated to match the actual board design as well.

Signed-off-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Change-Id: I4b16854c954949217a76c3d4f04ddc4001f64337
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68196
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/mainboard/amd/birman/bootblock.c b/src/mainboard/amd/birman/bootblock.c
new file mode 100644
index 0000000000..a6e525dcd4
--- /dev/null
+++ b/src/mainboard/amd/birman/bootblock.c
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <soc/espi.h>
+#include "ec.h"
+#include "gpio.h"
+
+void bootblock_mainboard_early_init(void)
+{
+	mainboard_program_early_gpios();
+
+	espi_switch_to_spi1_pads();
+}
+
+void bootblock_mainboard_init(void)
+{
+	birman_ec_init();
+}