samd/boards: Add more flash choices for Adafruit M4 boards.

robert-hh · dpgeorge · commit e8304ee38e0b · 2026-03-03T22:44:41.000+11:00
Over the time, these are manufactured with different flash types.
All changed boards still build and run with the Giga Devices chip.
The ItsyBitsy M4 board was confirmed to work with the Winbond chip.

Signed-off-by: robert-hh &lt;robert@hammelrath.com&gt;
diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/mpconfigboard.h b/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/mpconfigboard.h
@@ -8,4 +8,4 @@
 #define MICROPY_HW_DEFAULT_I2C_ID   (2)
 #define MICROPY_HW_DEFAULT_SPI_ID   (1)
 
-#define MICROPY_HW_QSPIFLASH        GD25Q16C
+#define MICROPY_HW_QSPIFLASH        GD25Q16C, W25Q16JV_IQ
diff --git a/ports/samd/boards/ADAFRUIT_ITSYBITSY_M4_EXPRESS/mpconfigboard.h b/ports/samd/boards/ADAFRUIT_ITSYBITSY_M4_EXPRESS/mpconfigboard.h
@@ -7,4 +7,4 @@
 #define MICROPY_HW_DEFAULT_I2C_ID   (2)
 #define MICROPY_HW_DEFAULT_UART_ID  (3)
 
-#define MICROPY_HW_QSPIFLASH        GD25Q16C
+#define MICROPY_HW_QSPIFLASH        GD25Q16C, W25Q16JV_IQ
diff --git a/ports/samd/boards/ADAFRUIT_METRO_M4_EXPRESS/mpconfigboard.h b/ports/samd/boards/ADAFRUIT_METRO_M4_EXPRESS/mpconfigboard.h
@@ -2,7 +2,7 @@
 #define MICROPY_HW_MCU_NAME                 "SAMD51J19A"
 
 #define MICROPY_HW_XOSC32K                  (1)
-#define MICROPY_HW_QSPIFLASH                GD25Q16C
+#define MICROPY_HW_QSPIFLASH                S25FL116K, S25FL216K, GD25Q16C, W25Q16JV_IQ
 
 #define MICROPY_HW_DEFAULT_UART_ID          (3)
 #define MICROPY_HW_DEFAULT_I2C_ID           (5)
