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-rw-r--r--src/mainboard/google/zork/variants/morphius/Makefile.inc1
-rw-r--r--src/mainboard/google/zork/variants/morphius/variant.c16
2 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/morphius/Makefile.inc b/src/mainboard/google/zork/variants/morphius/Makefile.inc
index 57e7136ddc..51d19fe9ba 100644
--- a/src/mainboard/google/zork/variants/morphius/Makefile.inc
+++ b/src/mainboard/google/zork/variants/morphius/Makefile.inc
@@ -3,3 +3,4 @@
subdirs-y += ./spd
ramstage-y += gpio.c
+ramstage-y += variant.c
diff --git a/src/mainboard/google/zork/variants/morphius/variant.c b/src/mainboard/google/zork/variants/morphius/variant.c
new file mode 100644
index 0000000000..092ff260b3
--- /dev/null
+++ b/src/mainboard/google/zork/variants/morphius/variant.c
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+
+void variant_devtree_update(void)
+{
+ struct soc_amd_picasso_config *cfg;
+
+ cfg = config_of_soc();
+
+ /*
+ * Enable eMMC if eMMC bit is set in FW_CONFIG or device is unprovisioned.
+ */
+ if (!(variant_has_emmc() || boot_is_factory_unprovisioned()))
+ cfg->emmc_config.timing = SD_EMMC_DISABLE;
+}