[S] Change in coreboot[master]: mb/google/myst: Enable variants for Myst

[Raul Rangel (Code Review)]

Raul Rangel has submitted this change. ( https://review.coreboot.org/c/coreboot/+/74098 )

Change subject: mb/google/myst: Enable variants for Myst
......................................................................

mb/google/myst: Enable variants for Myst

BUG=b:270618107
TEST=builds

Signed-off-by: Jon Murphy 
Change-Id: I688e9c2fdf203cecfd5f200dec6cde9dbc0a9aa7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74098
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
Reviewed-by: Eric Lai 
---
M src/mainboard/google/myst/Kconfig
M src/mainboard/google/myst/Makefile.inc
M src/mainboard/google/myst/mainboard.c
A src/mainboard/google/myst/variants/myst/include/variant/ec.h
A src/mainboard/google/myst/variants/myst/overridetree.cb
5 files changed, 36 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Karthik Ramasubramanian: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/myst/Kconfig b/src/mainboard/google/myst/Kconfig
index b9e87fb..6537cce 100644
--- a/src/mainboard/google/myst/Kconfig
+++ b/src/mainboard/google/myst/Kconfig
@@ -27,6 +27,14 @@
 config MAINBOARD_PART_NUMBER
    default "Myst" if BOARD_GOOGLE_MYST

+config OVERRIDE_DEVICETREE
+	string
+	default "variants/$(CONFIG_VARIANT_DIR)/overridetree.cb"
+
+config VARIANT_DIR
+	string
+	default "myst" if BOARD_GOOGLE_MYST
+
 config VBOOT
    select VBOOT_NO_BOARD_SUPPORT
    select VBOOT_SEPARATE_VERSTAGE
diff --git a/src/mainboard/google/myst/Makefile.inc b/src/mainboard/google/myst/Makefile.inc
index 5bd6aca..9060a73 100644
--- a/src/mainboard/google/myst/Makefile.inc
+++ b/src/mainboard/google/myst/Makefile.inc
@@ -9,5 +9,7 @@
 ramstage-$(CONFIG_CHROMEOS) += chromeos.c

subdirs-y += variants/baseboard
+subdirs-y += variants/$(VARIANT_DIR)

CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
diff --git a/src/mainboard/google/myst/mainboard.c b/src/mainboard/google/myst/mainboard.c
index bba9fc2..56329ee 100644
--- a/src/mainboard/google/myst/mainboard.c
+++ b/src/mainboard/google/myst/mainboard.c
@@ -2,6 +2,7 @@

#include <amdblocks/amd_pci_util.h>
 #include <baseboard/variants.h>
+#include <console/console.h>
 #include <device/device.h>

static const struct fch_irq_routing fch_irq_map[] = {
@@ -33,7 +34,7 @@

static void mainboard_enable(struct device *dev)
 {
-	/* TODO(b/270618107): Enable mainboard */
+	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
 }

struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/google/myst/variants/myst/include/variant/ec.h b/src/mainboard/google/myst/variants/myst/include/variant/ec.h
new file mode 100644
index 0000000..9e61a44
--- /dev/null
+++ b/src/mainboard/google/myst/variants/myst/include/variant/ec.h
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/ec.h>
diff --git a/src/mainboard/google/myst/variants/myst/overridetree.cb b/src/mainboard/google/myst/variants/myst/overridetree.cb
new file mode 100644
index 0000000..164a47a
--- /dev/null
+++ b/src/mainboard/google/myst/variants/myst/overridetree.cb
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+chip soc/amd/phoenix
+	device domain 0 on end # domain
+end	# chip soc/amd/phoenix