Add back internal flash header and slim it down.

Author: tannewt

ports/atmel-samd/supervisor/internal_flash.c

@@ -24,6 +24,8 @@
  * THE SOFTWARE.
  */
 
+#include "supervisor/internal_flash.h"
+
 #include <stdint.h>
 #include <string.h>
 

ports/atmel-samd/supervisor/internal_flash.h

@@ -32,8 +32,6 @@
 
 #include "sam.h"
 
-#define FLASH_ROOT_POINTERS
-
 #ifdef SAMD51
 #define TOTAL_INTERNAL_FLASH_SIZE (FLASH_SIZE / 2)
 #endif
@@ -49,21 +47,4 @@
 #define INTERNAL_FLASH_SYSTICK_MASK    (0x1ff) // 512ms
 #define INTERNAL_FLASH_IDLE_TICK(tick) (((tick) & INTERNAL_FLASH_SYSTICK_MASK) == 2)
 
-void internal_flash_init(void);
-uint32_t internal_flash_get_block_size(void);
-uint32_t internal_flash_get_block_count(void);
-void internal_flash_irq_handler(void);
-void internal_flash_flush(void);
-bool internal_flash_read_block(uint8_t *dest, uint32_t block);
-bool internal_flash_write_block(const uint8_t *src, uint32_t block);
-
-// these return 0 on success, non-zero on error
-mp_uint_t internal_flash_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks);
-mp_uint_t internal_flash_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks);
-
-extern const struct _mp_obj_type_t internal_flash_type;
-
-struct _fs_user_mount_t;
-void flash_init_vfs(struct _fs_user_mount_t *vfs);
-
 #endif  // MICROPY_INCLUDED_ATMEL_SAMD_INTERNAL_FLASH_H