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-rw-r--r--stmhal/boards/STM32L476DISC/board_init.c10
-rw-r--r--stmhal/boards/STM32L476DISC/mpconfigboard.h10
2 files changed, 20 insertions, 0 deletions
diff --git a/stmhal/boards/STM32L476DISC/board_init.c b/stmhal/boards/STM32L476DISC/board_init.c
new file mode 100644
index 0000000000..fdc41c4019
--- /dev/null
+++ b/stmhal/boards/STM32L476DISC/board_init.c
@@ -0,0 +1,10 @@
+#include "py/mphal.h"
+#include "genhdr/pins.h"
+
+void STM32L476DISC_board_early_init(void) {
+ // set SPI flash WP and HOLD pins high
+ mp_hal_pin_output(&pin_E14);
+ mp_hal_pin_output(&pin_E15);
+ mp_hal_pin_write(&pin_E14, 1);
+ mp_hal_pin_write(&pin_E15, 1);
+}
diff --git a/stmhal/boards/STM32L476DISC/mpconfigboard.h b/stmhal/boards/STM32L476DISC/mpconfigboard.h
index 2be5c9de65..a93b486c68 100644
--- a/stmhal/boards/STM32L476DISC/mpconfigboard.h
+++ b/stmhal/boards/STM32L476DISC/mpconfigboard.h
@@ -1,5 +1,8 @@
#include STM32_HAL_H
+#define MICROPY_BOARD_EARLY_INIT STM32L476DISC_board_early_init
+void STM32L476DISC_board_early_init(void);
+
#define MICROPY_HW_BOARD_NAME "L476-DISCO"
#define MICROPY_HW_MCU_NAME "STM32L476"
@@ -16,6 +19,13 @@
#define MICROPY_HW_ENABLE_DAC (0)
#define MICROPY_HW_ENABLE_CAN (0)
+// use external SPI flash for storage
+#define MICROPY_HW_SPIFLASH_SIZE_BITS (128 * 1024 * 1024)
+#define MICROPY_HW_SPIFLASH_CS (pin_E11)
+#define MICROPY_HW_SPIFLASH_SCK (pin_E10)
+#define MICROPY_HW_SPIFLASH_MOSI (pin_E12)
+#define MICROPY_HW_SPIFLASH_MISO (pin_E13)
+
// MSI is used and is 4MHz
#define MICROPY_HW_CLK_PLLM (1)
#define MICROPY_HW_CLK_PLLN (40)