5 files changed, 32 insertions, 0 deletions
diff --git a/src/mainboard/siemens/chili/Makefile.inc b/src/mainboard/siemens/chili/Makefile.inc
index c57c0a50dc..f3461344c3 100644
--- a/src/mainboard/siemens/chili/Makefile.inc
+++ b/src/mainboard/siemens/chili/Makefile.inc
@@ -2,6 +2,8 @@
 
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
 
+bootblock-y += bootblock.c
+
 romstage-y += romstage.c
 
 ramstage-y += mainboard.c
diff --git a/src/mainboard/siemens/chili/bootblock.c b/src/mainboard/siemens/chili/bootblock.c
new file mode 100644
index 0000000000..7ea7eb0186
--- /dev/null
+++ b/src/mainboard/siemens/chili/bootblock.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <variant/gpio.h>
+
+__weak void variant_configure_early_gpios(void) {}
+
+void bootblock_mainboard_early_init(void)
+{
+	variant_configure_early_gpios();
+}
diff --git a/src/mainboard/siemens/chili/include/variant/gpio.h b/src/mainboard/siemens/chili/include/variant/gpio.h
index 4258325cf9..95d576294f 100644
--- a/src/mainboard/siemens/chili/include/variant/gpio.h
+++ b/src/mainboard/siemens/chili/include/variant/gpio.h
@@ -3,6 +3,7 @@
 #ifndef VARIANT_GPIO_H
 #define VARIANT_GPIO_H
 
+void variant_configure_early_gpios(void);
 void variant_configure_gpios(void);
 
 #endif
diff --git a/src/mainboard/siemens/chili/variants/chili/Makefile.inc b/src/mainboard/siemens/chili/variants/chili/Makefile.inc
index 251a2916a2..4f1d0655fa 100644
--- a/src/mainboard/siemens/chili/variants/chili/Makefile.inc
+++ b/src/mainboard/siemens/chili/variants/chili/Makefile.inc
@@ -1,5 +1,7 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
+bootblock-y += gpio_early.c
+
 romstage-y += romstage.c
 romstage-y += gpio.c
 
diff --git a/src/mainboard/siemens/chili/variants/chili/gpio_early.c b/src/mainboard/siemens/chili/variants/chili/gpio_early.c
new file mode 100644
index 0000000000..62d7783c4b
--- /dev/null
+++ b/src/mainboard/siemens/chili/variants/chili/gpio_early.c
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/gpio.h>
+#include <variant/gpio.h>
+
+static const struct pad_config early_gpio_table[] = {
+/* GPP_C8    UART0A_RXD           0x0000005044000702 */ PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
+/* GPP_C9    UART0A_TXD           0x0000005144000700 */ PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
+/* GPP_C20   UART2_RXD            0x0000005c44000500 */ PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
+/* GPP_C21   UART2_TXD            0x0000005d44000600 */ PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
+};
+
+void variant_configure_early_gpios(void)
+{
+	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}