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-rw-r--r--src/soc/amd/picasso/psp_verstage/Makefile.inc1
-rw-r--r--src/soc/amd/picasso/psp_verstage/uart.c11
2 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/psp_verstage/Makefile.inc b/src/soc/amd/picasso/psp_verstage/Makefile.inc
index 41296c9b0c..82d8efa818 100644
--- a/src/soc/amd/picasso/psp_verstage/Makefile.inc
+++ b/src/soc/amd/picasso/psp_verstage/Makefile.inc
@@ -5,6 +5,7 @@ verstage-generic-ccopts += -I$(src)/vendorcode/amd/fsp/picasso/include
verstage-y += svc.c
verstage-y += chipset.c
+verstage-y += uart.c
verstage-y += $(top)/src/vendorcode/amd/fsp/picasso/bl_uapp/bl_uapp_startup.S
verstage-y += $(top)/src/vendorcode/amd/fsp/picasso/bl_uapp/bl_uapp_end.S
diff --git a/src/soc/amd/picasso/psp_verstage/uart.c b/src/soc/amd/picasso/psp_verstage/uart.c
new file mode 100644
index 0000000000..1c89f10c99
--- /dev/null
+++ b/src/soc/amd/picasso/psp_verstage/uart.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bl_uapp/bl_syscall_public.h>
+#include <amdblocks/uart.h>
+#include <types.h>
+
+uintptr_t get_uart_base(unsigned int idx)
+{
+ /* Mapping the UART is not supported. */
+ return 0;
+}