diff --git a/boards/atxmega-a1u-xpro/Kconfig b/boards/atxmega-a1u-xpro/Kconfig
index ef85455060..7e7fdffafc 100644
--- a/boards/atxmega-a1u-xpro/Kconfig
+++ b/boards/atxmega-a1u-xpro/Kconfig
@@ -18,6 +18,7 @@ config BOARD_ATXMEGA_A1U_XPRO
     select HAS_PERIPH_I2C
     select HAS_PERIPH_NVM
     select HAS_PERIPH_PM
+    select HAS_PERIPH_SPI
     select HAS_PERIPH_TIMER
     select HAS_PERIPH_TIMER_PERIODIC
     select HAS_PERIPH_UART
diff --git a/boards/atxmega-a1u-xpro/include/board.h b/boards/atxmega-a1u-xpro/include/board.h
index 2314adc6ce..8ac664712d 100644
--- a/boards/atxmega-a1u-xpro/include/board.h
+++ b/boards/atxmega-a1u-xpro/include/board.h
@@ -88,7 +88,6 @@ extern "C" {
  *
  * @{
  */
-
 #define XTIMER_DEV          TIMER_DEV(0)
 #define XTIMER_CHAN         (0)
 #define XTIMER_WIDTH        (16)
diff --git a/boards/atxmega-a1u-xpro/include/periph_conf.h b/boards/atxmega-a1u-xpro/include/periph_conf.h
index e4840685cb..66c1c283ff 100644
--- a/boards/atxmega-a1u-xpro/include/periph_conf.h
+++ b/boards/atxmega-a1u-xpro/include/periph_conf.h
@@ -112,6 +112,24 @@ static const i2c_conf_t i2c_config[] = {
 #define I2C_NUMOF           ARRAY_SIZE(i2c_config)
 /** @} */
 
+/**
+ * @name    SPI configuration
+ * @{
+ */
+static const spi_conf_t spi_config[] = {
+    {
+        .dev            = &SPIC,
+        .pwr            = PWR_RED_REG(PWR_PORT_C, PR_SPI_bm),
+        .sck_pin        = GPIO_PIN(PORT_C, 7),
+        .miso_pin       = GPIO_PIN(PORT_C, 6),
+        .mosi_pin       = GPIO_PIN(PORT_C, 5),
+        .ss_pin         = GPIO_PIN(PORT_C, 4),
+    },
+};
+
+#define SPI_NUMOF         ARRAY_SIZE(spi_config)
+/** @} */
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/examples/gnrc_lorawan/Makefile.ci b/examples/gnrc_lorawan/Makefile.ci
index 3797ffe80f..eb07191e2b 100644
--- a/examples/gnrc_lorawan/Makefile.ci
+++ b/examples/gnrc_lorawan/Makefile.ci
@@ -6,6 +6,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-uno \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     msb-430 \
     msb-430h \
     nucleo-f031k6 \
diff --git a/tests/disp_dev/Makefile.ci b/tests/disp_dev/Makefile.ci
index bb2d6aa68a..3443df87ce 100644
--- a/tests/disp_dev/Makefile.ci
+++ b/tests/disp_dev/Makefile.ci
@@ -7,6 +7,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     atmega1284p \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     derfmega128 \
     mega-xplained \
     microduino-corerf \
diff --git a/tests/driver_at86rf215/Makefile.ci b/tests/driver_at86rf215/Makefile.ci
index 397996ca9c..68f17b3b15 100644
--- a/tests/driver_at86rf215/Makefile.ci
+++ b/tests/driver_at86rf215/Makefile.ci
@@ -7,6 +7,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     atmega1284p \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     bluepill-stm32f030c8 \
     derfmega128 \
     i-nucleo-lrwan1 \
diff --git a/tests/driver_cc110x/Makefile.ci b/tests/driver_cc110x/Makefile.ci
index 2ce9fe8b90..7590085319 100644
--- a/tests/driver_cc110x/Makefile.ci
+++ b/tests/driver_cc110x/Makefile.ci
@@ -7,6 +7,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     atmega1284p \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     blackpill \
     bluepill \
     bluepill-stm32f030c8 \
diff --git a/tests/driver_enc28j60/Makefile.ci b/tests/driver_enc28j60/Makefile.ci
index efd592bb4a..5222c87797 100644
--- a/tests/driver_enc28j60/Makefile.ci
+++ b/tests/driver_enc28j60/Makefile.ci
@@ -7,6 +7,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     atmega1284p \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     bluepill-stm32f030c8 \
     derfmega128 \
     i-nucleo-lrwan1 \
diff --git a/tests/driver_encx24j600/Makefile.ci b/tests/driver_encx24j600/Makefile.ci
index 7f7f4d0b7d..c856df2cca 100644
--- a/tests/driver_encx24j600/Makefile.ci
+++ b/tests/driver_encx24j600/Makefile.ci
@@ -6,6 +6,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-uno \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     i-nucleo-lrwan1 \
     msb-430 \
     msb-430h \
diff --git a/tests/driver_kw2xrf/Makefile.ci b/tests/driver_kw2xrf/Makefile.ci
index 57b75c3dab..db32a4cc9e 100644
--- a/tests/driver_kw2xrf/Makefile.ci
+++ b/tests/driver_kw2xrf/Makefile.ci
@@ -6,6 +6,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-uno \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     bluepill-stm32f030c8 \
     i-nucleo-lrwan1 \
     nucleo-f031k6 \
diff --git a/tests/driver_mrf24j40/Makefile.ci b/tests/driver_mrf24j40/Makefile.ci
index 586364d983..72ac56be14 100644
--- a/tests/driver_mrf24j40/Makefile.ci
+++ b/tests/driver_mrf24j40/Makefile.ci
@@ -6,6 +6,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-uno \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     bluepill-stm32f030c8 \
     i-nucleo-lrwan1 \
     nucleo-f031k6 \
diff --git a/tests/driver_nrf24l01p_ng/Makefile.ci b/tests/driver_nrf24l01p_ng/Makefile.ci
index 3386c82573..70ae5d4d59 100644
--- a/tests/driver_nrf24l01p_ng/Makefile.ci
+++ b/tests/driver_nrf24l01p_ng/Makefile.ci
@@ -8,6 +8,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     atmega128rfa1 \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     bluepill-stm32f030c8 \
     derfmega128 \
     i-nucleo-lrwan1 \
diff --git a/tests/driver_w5100/Makefile.ci b/tests/driver_w5100/Makefile.ci
index 28ea82d339..fcbdf2a160 100644
--- a/tests/driver_w5100/Makefile.ci
+++ b/tests/driver_w5100/Makefile.ci
@@ -6,6 +6,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-uno \
     atmega328p \
     atmega328p-xplained-mini \
+    atxmega-a1u-xpro \
     bluepill-stm32f030c8 \
     i-nucleo-lrwan1 \
     msb-430 \