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mahollimaholli
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Merge pull request #3 from maholli/non-standard-nvm
add standard SPI support to QSPI for external flash
2 parents 78c1448 + 181ecf4 commit 01e260b

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‎.github/workflows/build.yml

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@@ -204,6 +204,7 @@ jobs:
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- "pybadge_airlift"
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- "pyboard_v11"
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- "pycubed"
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- "pycubed_mram"
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- "pygamer"
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- "pygamer_advance"
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- "pyportal"

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

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#define MICROPY_HW_MCU_NAME "samd51j19"
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#define CIRCUITPY_MCU_FAMILY samd51
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#define MICROPY_HW_LED_STATUS (&pin_PA16)
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#define MICROPY_HW_NEOPIXEL (&pin_PA21)
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#define MICROPY_PORT_A (PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11)
@@ -16,6 +17,7 @@
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#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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// External flash W25Q80DV
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#define EXTERNAL_FLASH_QSPI_DUAL
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#define BOARD_HAS_CRYSTAL 1

‎ports/atmel-samd/boards/pycubed_mram/board.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "boards/board.h"
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#include "py/mpconfig.h"
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#include "shared-bindings/nvm/ByteArray.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "hal/include/hal_gpio.h"
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#include "shared-bindings/pulseio/PWMOut.h"
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nvm_bytearray_obj_t bootcnt = {
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.base = {
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.type = &nvm_bytearray_type
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},
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.len = ( uint32_t) 8192,
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.start_address = (uint8_t*) (0x00080000 - 8192)
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};
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void board_init(void) {
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pulseio_pwmout_obj_t pwm;
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common_hal_pulseio_pwmout_construct(&pwm, &pin_PA23, 4096, 2, false);
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common_hal_pulseio_pwmout_never_reset(&pwm);
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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uint8_t value_out = 0;
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common_hal_nvm_bytearray_get_bytes(&bootcnt,0,1,&value_out);
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++value_out;
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common_hal_nvm_bytearray_set_bytes(&bootcnt,0,&value_out,1);
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}

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

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#define MICROPY_HW_BOARD_NAME "PyCubedv04-MRAM"
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#define MICROPY_HW_MCU_NAME "samd51j19"
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#define CIRCUITPY_MCU_FAMILY samd51
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#define MICROPY_HW_LED_STATUS (&pin_PA16)
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#define MICROPY_HW_NEOPIXEL (&pin_PA21)
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#define MICROPY_PORT_A (PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11)
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#define MICROPY_PORT_B (PORT_PA21 | PORT_PB10 | PORT_PB11)
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#define MICROPY_PORT_C (0)
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#define MICROPY_PORT_D (0)
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// External flash MR2xH40 MRAM
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#define EXTERNAL_FLASH_QSPI_SINGLE
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#define AUTORESET_DELAY_MS 500
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#define CIRCUITPY_INTERNAL_NVM_SIZE 8192
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#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#define BOARD_HAS_CRYSTAL 1
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#define DEFAULT_I2C_BUS_SCL (&pin_PB13)
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#define DEFAULT_I2C_BUS_SDA (&pin_PB12)
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#define DEFAULT_SPI_BUS_SCK (&pin_PA13)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PA12)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA14)
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#define DEFAULT_UART_BUS_TX (&pin_PB02)
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#define DEFAULT_UART_BUS_RX (&pin_PB03)
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#define IGNORE_PIN_PA24 1
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#define IGNORE_PIN_PA25 1
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‎ports/atmel-samd/boards/pycubed_mram/mpconfigboard.mk

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LD_FILE = boards/samd51x19-bootloader-external-flash.ld
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USB_VID = 0x04D8
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USB_PID = 0xEC44
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USB_PRODUCT = "PyCubed"
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USB_MANUFACTURER = "maholli"
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CHIP_VARIANT = SAMD51J19A
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CHIP_FAMILY = samd51
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QSPI_FLASH_FILESYSTEM = 1
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EXTERNAL_FLASH_DEVICE_COUNT = 1
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EXTERNAL_FLASH_DEVICES = MR2xH40
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LONGINT_IMPL = MPZ
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# Not needed.
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CIRCUITPY_AUDIOBUSIO = 0
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CIRCUITPY_DISPLAYIO = 0
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CIRCUITPY_GAMEPAD = 0
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CIRCUITPY_PS2IO = 0
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FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
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FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
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FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Register
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FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD

‎ports/atmel-samd/boards/pycubed_mram/pins.c

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#include "shared-bindings/board/__init__.h"
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#include "boards/board.h"
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STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PA13) },
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{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PA12) },
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{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA14) },
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{ MP_ROM_QSTR(MP_QSTR_xSDCS), MP_ROM_PTR(&pin_PA27) },
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{ MP_ROM_QSTR(MP_QSTR_RELAY_A), MP_ROM_PTR(&pin_PB15) },
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{ MP_ROM_QSTR(MP_QSTR_BURN1), MP_ROM_PTR(&pin_PB31) },
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{ MP_ROM_QSTR(MP_QSTR_BURN2), MP_ROM_PTR(&pin_PA15) },
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{ MP_ROM_QSTR(MP_QSTR_BATTERY), MP_ROM_PTR(&pin_PA06) },
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{ MP_ROM_QSTR(MP_QSTR_L1PROG), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_AIN4), MP_ROM_PTR(&pin_PA04) },
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{ MP_ROM_QSTR(MP_QSTR_AIN5), MP_ROM_PTR(&pin_PA05) },
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{ MP_ROM_QSTR(MP_QSTR_CHRG), MP_ROM_PTR(&pin_PB08) },
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{ MP_ROM_QSTR(MP_QSTR_DAC0), MP_ROM_PTR(&pin_PA02) },
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{ MP_ROM_QSTR(MP_QSTR_PA17), MP_ROM_PTR(&pin_PA17) },
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{ MP_ROM_QSTR(MP_QSTR_PA18), MP_ROM_PTR(&pin_PA18) },
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{ MP_ROM_QSTR(MP_QSTR_PA19), MP_ROM_PTR(&pin_PA19) },
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{ MP_ROM_QSTR(MP_QSTR_PA20), MP_ROM_PTR(&pin_PA20) },
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{ MP_ROM_QSTR(MP_QSTR_PA22), MP_ROM_PTR(&pin_PA22) },
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{ MP_ROM_QSTR(MP_QSTR_PB16), MP_ROM_PTR(&pin_PB16) },
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{ MP_ROM_QSTR(MP_QSTR_PB17), MP_ROM_PTR(&pin_PB17) },
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{ MP_ROM_QSTR(MP_QSTR_PB22), MP_ROM_PTR(&pin_PB22) },
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{ MP_ROM_QSTR(MP_QSTR_PB23), MP_ROM_PTR(&pin_PB23) },
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{ MP_ROM_QSTR(MP_QSTR_RF1_RST), MP_ROM_PTR(&pin_PB00) },
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{ MP_ROM_QSTR(MP_QSTR_RF1_CS), MP_ROM_PTR(&pin_PB30) },
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{ MP_ROM_QSTR(MP_QSTR_RF1_IO0), MP_ROM_PTR(&pin_PB05) },
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{ MP_ROM_QSTR(MP_QSTR_RF1_IO4), MP_ROM_PTR(&pin_PB04) },
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{ MP_ROM_QSTR(MP_QSTR_RF2_RST), MP_ROM_PTR(&pin_PB14) },
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{ MP_ROM_QSTR(MP_QSTR_RF2_CS), MP_ROM_PTR(&pin_PB09) },
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{ MP_ROM_QSTR(MP_QSTR_RF2_IO1), MP_ROM_PTR(&pin_PB06) },
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{ MP_ROM_QSTR(MP_QSTR_RF2_BSY), MP_ROM_PTR(&pin_PB07) },
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{ MP_ROM_QSTR(MP_QSTR_EN_GPS), MP_ROM_PTR(&pin_PB01) },
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PB02) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PB03) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PB12) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PB13) },
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{ MP_ROM_QSTR(MP_QSTR_WDT_WDI), MP_ROM_PTR(&pin_PA23) },
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{ MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PA21) },
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

‎ports/atmel-samd/supervisor/qspi_flash.c

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@@ -166,21 +166,34 @@ bool spi_flash_write_data(uint32_t address, uint8_t* data, uint32_t length) {
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bool spi_flash_read_data(uint32_t address, uint8_t* data, uint32_t length) {
167167
samd_peripherals_disable_and_clear_cache();
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#ifdef EXTERNAL_FLASH_QSPI_DUAL
169+
#ifdef EXTERNAL_FLASH_QSPI_SINGLE
170+
QSPI->INSTRCTRL.bit.INSTR = CMD_READ_DATA;
171+
uint32_t mode = QSPI_INSTRFRAME_WIDTH_SINGLE_BIT_SPI;
172+
#elif defined EXTERNAL_FLASH_QSPI_DUAL
170173
QSPI->INSTRCTRL.bit.INSTR = CMD_DUAL_READ;
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uint32_t mode = QSPI_INSTRFRAME_WIDTH_DUAL_OUTPUT;
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#else
173176
QSPI->INSTRCTRL.bit.INSTR = CMD_QUAD_READ;
174177
uint32_t mode = QSPI_INSTRFRAME_WIDTH_QUAD_OUTPUT;
175178
#endif
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180+
#ifdef EXTERNAL_FLASH_QSPI_SINGLE
181+
QSPI->INSTRFRAME.reg = mode |
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QSPI_INSTRFRAME_ADDRLEN_24BITS |
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QSPI_INSTRFRAME_TFRTYPE_READMEMORY |
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QSPI_INSTRFRAME_INSTREN |
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QSPI_INSTRFRAME_ADDREN |
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QSPI_INSTRFRAME_DATAEN |
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QSPI_INSTRFRAME_DUMMYLEN(0);
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#else
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QSPI->INSTRFRAME.reg = mode |
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QSPI_INSTRFRAME_ADDRLEN_24BITS |
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QSPI_INSTRFRAME_TFRTYPE_READMEMORY |
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QSPI_INSTRFRAME_INSTREN |
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QSPI_INSTRFRAME_ADDREN |
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QSPI_INSTRFRAME_DATAEN |
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QSPI_INSTRFRAME_DUMMYLEN(8);
196+
#endif
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memcpy(data, ((uint8_t *) QSPI_AHB) + address, length);
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// TODO(tannewt): Fix DMA and enable it.

‎supervisor/shared/external_flash/common_commands.h

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#define CMD_QUAD_READ 0x6b
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#define CMD_ENABLE_RESET 0x66
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#define CMD_RESET 0x99
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#define CMD_WAKE 0xab
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_EXTERNAL_FLASH_COMMON_COMMANDS_H

‎supervisor/shared/external_flash/devices.h

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@@ -426,6 +426,23 @@ typedef struct {
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.single_status_byte = false, \
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}
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// Everspin MRAM
430+
#define MR2xH40 {\
431+
.total_size = (1 << 22), /* 4 MiB */ \
432+
.start_up_time_us = 10000, \
433+
.manufacturer_id = 0xef, /*no JDEC*/ \
434+
.memory_type = 0x40, /*no JDEC*/ \
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.capacity = 0x14, /*no JDEC*/ \
436+
.max_clock_speed_mhz = 40, \
437+
.quad_enable_bit_mask = 0x00, \
438+
.has_sector_protection = false, \
439+
.supports_fast_read = false, \
440+
.supports_qspi = false, \
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.supports_qspi_writes = false, \
442+
.write_status_register_split = false, \
443+
.single_status_byte = true, \
444+
}
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// Settings for the Macronix MX25L1606 2MiB SPI flash.
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// Datasheet:
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#define MX25L1606 {\

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