stm32/boards: Reserve SPI bus when it's used for external flash storage.

Reserve SPI flash bus used for storage or XIP.

Signed-off-by: iabdalkader <[email protected]>

Author: iabdalkader

ports/stm32/boards/ADAFRUIT_F405_EXPRESS/mpconfigboard.h

@@ -28,6 +28,7 @@
 // External SPI Flash config
 #if !MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
 
+#define MICROPY_HW_SPI_IS_RESERVED(id)  (id == 1) // Reserve SPI flash bus.
 #define MICROPY_HW_SPIFLASH_SIZE_BITS (16 * 1024 * 1024) // 16 Mbit (2 MByte)
 
 #define MICROPY_HW_SPIFLASH_CS      (MICROPY_HW_SPI1_NSS)

ports/stm32/boards/LEGO_HUB_NO6/mpconfigboard.h

@@ -65,6 +65,7 @@
 #define MICROPY_HW_SPI2_SCK                      (pyb_pin_FLASH_SCK)
 #define MICROPY_HW_SPI2_MISO                     (pyb_pin_FLASH_MISO)
 #define MICROPY_HW_SPI2_MOSI                     (pyb_pin_FLASH_MOSI)
+#define MICROPY_HW_SPI_IS_RESERVED(id)           (id == 2)  // Reserve SPI flash bus.
 
 // USB config
 #define MICROPY_HW_USB_VBUS_DETECT_PIN           (pyb_pin_USB_VBUS)

ports/stm32/boards/MIKROE_QUAIL/mpconfigboard.h

@@ -71,6 +71,7 @@
 // External SPI Flash config (Cypress S25FL164K)
 #if !MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
 
+#define MICROPY_HW_SPI_IS_STATIC(id)  (id == 3) // Shared with SPIFLASH.
 #define MICROPY_HW_SPIFLASH_SIZE_BITS (64 * 1024 * 1024) // 64 Mbit (8 MByte)
 
 #define MICROPY_HW_SPIFLASH_CS (pin_A13)

ports/stm32/boards/WEACT_F411_BLACKPILL/mpconfigboard.h

@@ -86,6 +86,9 @@
 #define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (1)
 
 #else
+// Reserve SPI flash bus.
+#define MICROPY_HW_SPI_IS_RESERVED(id)  (id == 1)
+
 // Disable internal filesystem to use spiflash.
 #define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (0)