diff --git a/lib/arduino-lib b/lib/arduino-lib
index 89424753e18ed..0f0993582f7f8 160000
--- a/lib/arduino-lib
+++ b/lib/arduino-lib
@@ -1 +1 @@
-Subproject commit 89424753e18ed58b7d8041085c9d2e1d162f09ca
+Subproject commit 0f0993582f7f882f06371d21cd15748932795272
diff --git a/ports/stm32/boards/ARDUINO_GIGA/mpconfigboard.h b/ports/stm32/boards/ARDUINO_GIGA/mpconfigboard.h
index b278fa005b757..d09a074402e7b 100644
--- a/ports/stm32/boards/ARDUINO_GIGA/mpconfigboard.h
+++ b/ports/stm32/boards/ARDUINO_GIGA/mpconfigboard.h
@@ -226,6 +226,7 @@ extern struct _spi_bdev_t spi_bdev;
 #define MICROPY_HW_SDRAM_SIZE               (64 / 8 * 1024 * 1024)  // 64 Mbit
 #define MICROPY_HW_SDRAM_STARTUP_TEST       (1)
 #define MICROPY_HW_SDRAM_TEST_FAIL_ON_ERROR (true)
+#define MICROPY_HW_FMC_SWAP_BANKS           (1)
 
 // Timing configuration for 200MHz/2=100MHz (10ns)
 #define MICROPY_HW_SDRAM_CLOCK_PERIOD       2
diff --git a/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h b/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
index ace63e016b189..3a012446b465e 100644
--- a/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
+++ b/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
@@ -240,6 +240,7 @@ extern struct _spi_bdev_t spi_bdev;
 #define MICROPY_HW_SDRAM_SIZE               (64 / 8 * 1024 * 1024)  // 64 Mbit
 #define MICROPY_HW_SDRAM_STARTUP_TEST       (1)
 #define MICROPY_HW_SDRAM_TEST_FAIL_ON_ERROR (true)
+#define MICROPY_HW_FMC_SWAP_BANKS           (1)
 
 // Timing configuration for 200MHz/2=100MHz (10ns)
 #define MICROPY_HW_SDRAM_CLOCK_PERIOD       2