Merge pull request adafruit#1802 from adafruit/revert-1779-nrf-nvm-2

Revert "nrf nvm: touchups to nickzoic PR adafruit#1768"

Author: tannewt

ports/nrf/Makefile

@@ -177,7 +177,6 @@ SRC_C += \
 	peripherals/nrf/clocks.c \
 	peripherals/nrf/$(MCU_CHIP)/pins.c \
 	peripherals/nrf/$(MCU_CHIP)/power.c \
-        peripherals/nrf/nvm.c \
 	peripherals/nrf/timers.c \
 	sd_mutex.c \
 	supervisor/shared/memory.c

ports/nrf/boards/adafruit_nrf52840_s140_v6.ld

@@ -11,6 +11,7 @@
 
     0x000ED000..0x000F3FFF (28KB ) Private Config Data (Bonding, Keys, etc.)
     0x000AD000..0x000ECFFF (256KB) User Filesystem
+
     0x00026000..0x000ACFFF (540KB) Application Code (including ISR vector)
     0x00001000..0x00025FFF (148KB) SoftDevice
     0x00000000..0x00000FFF   (4KB) Master Boot Record

ports/nrf/boards/feather_nrf52840_express/mpconfigboard.h

@@ -33,9 +33,6 @@
 #define MICROPY_HW_MCU_NAME         "nRF52840"
 #define MICROPY_PY_SYS_PLATFORM     "Feather52840Express"
 
-#define FLASH_SIZE                  (0x100000)
-#define FLASH_PAGE_SIZE             (4096)
-
 #define MICROPY_HW_NEOPIXEL         (&pin_P0_16)
 
 #define MICROPY_HW_LED_STATUS       (&pin_P1_15)
@@ -58,7 +55,7 @@
 
 #define CIRCUITPY_AUTORELOAD_DELAY_MS 500
 
-#define CIRCUITPY_INTERNAL_NVM_SIZE (4096)
+// TODO #define CIRCUITPY_INTERNAL_NVM_SIZE 8192
 
 #define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
 

ports/nrf/common-hal/microcontroller/__init__.c

@@ -24,14 +24,9 @@
  * THE SOFTWARE.
  */
 
-#include "py/mphal.h"
-#include "py/obj.h"
-#include "py/runtime.h"
-
 #include "common-hal/microcontroller/Pin.h"
 #include "common-hal/microcontroller/Processor.h"
 
-#include "shared-bindings/nvm/ByteArray.h"
 #include "shared-bindings/microcontroller/__init__.h"
 #include "shared-bindings/microcontroller/Pin.h"
 #include "shared-bindings/microcontroller/Processor.h"
@@ -68,16 +63,6 @@ const mcu_processor_obj_t common_hal_mcu_processor_obj = {
     },
 };
 
-#if CIRCUITPY_INTERNAL_NVM_SIZE > 0
-// The singleton nvm.ByteArray object.
-const nvm_bytearray_obj_t common_hal_mcu_nvm_obj = {
-    .base = {
-        .type = &nvm_bytearray_type,
-    },
-    .len = CIRCUITPY_INTERNAL_NVM_SIZE,
-    .start_address = (uint8_t*) (FLASH_SIZE - CIRCUITPY_INTERNAL_NVM_SIZE),
-};
-#endif
 
 STATIC const mp_rom_map_elem_t mcu_pin_globals_table[] = {
   { MP_ROM_QSTR(MP_QSTR_P0_00), MP_ROM_PTR(&pin_P0_00) },

ports/nrf/common-hal/nvm/ByteArray.c

@@ -19,8 +19,8 @@ CIRCUITPY_AUDIOBUSIO = 0
 # No I2CSlave implementation
 CIRCUITPY_I2CSLAVE = 0
 
-# enable NVM
-CIRCUITPY_NVM = 1
+# nvm not yet implemented
+CIRCUITPY_NVM = 0
 
 # enable RTC
 CIRCUITPY_RTC = 1