Merge pull request #1227 from tannewt/trellis_m4

Update Trellis M4 Express for Rev C

Author: dhalbert

ports/atmel-samd/boards/trellis_m4_express/mpconfigboard.h

@@ -3,7 +3,7 @@
 
 #define CIRCUITPY_MCU_FAMILY samd51
 
-// This is for Rev A
+// This is for a purple prototype which is Rev C
 #define MICROPY_HW_APA102_MOSI   (&pin_PA01)
 #define MICROPY_HW_APA102_SCK    (&pin_PA00)
 
@@ -28,7 +28,7 @@
 #include "external_flash/devices.h"
 
 #define EXTERNAL_FLASH_DEVICE_COUNT 1
-#define EXTERNAL_FLASH_DEVICES GD25Q64C
+#define EXTERNAL_FLASH_DEVICES W25Q128JV_SQ
 
 #include "external_flash/external_flash.h"
 

ports/atmel-samd/external_flash/devices.h

@@ -266,5 +266,23 @@ typedef struct {
 }
 
 
+// Settings for the Winbond W25Q128JV-SQ 8MiB SPI flash. Note that JV-IM has a different .memory_type (0x70)
+// Datasheet: https://www.winbond.com/resource-files/w25q128jv%20revf%2003272018%20plus.pdf
+#define W25Q128JV_SQ {\
+    .total_size = (1 << 23), /* 16 MiB */ \
+    .start_up_time_us = 5000, \
+    .manufacturer_id = 0xef, \
+    .memory_type = 0x40, \
+    .capacity = 0x18, \
+    .max_clock_speed_mhz = 133, \
+    .has_sector_protection = false, \
+    .supports_fast_read = true, \
+    .supports_qspi = true, \
+    .has_quad_enable = true, \
+    .supports_qspi_writes = true, \
+    .write_status_register_split = false, \
+}
+
+
 
 #endif  // MICROPY_INCLUDED_ATMEL_SAMD_EXTERNAL_FLASH_DEVICES_H