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nrf52840dk: Add MTD configuration

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This commit is contained in:
Koen Zandberg 2020-05-11 10:26:29 +02:00
parent 341916cd30
commit 4f41c60e05
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GPG Key ID: 0895A893E6D2985B
4 changed files with 90 additions and 0 deletions
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4
boards/nrf52840dk/Makefile.dep
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@ -1,3 +1,7 @@
USEMODULE += boards_common_nrf52xxdk
ifneq (,$(filter mtd,$(USEMODULE)))
USEMODULE += mtd_spi_nor
endif
include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.dep

23
boards/nrf52840dk/include/board.h
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@ -21,6 +21,7 @@
#define BOARD_H
#include "board_common.h"
#include "mtd.h"
#ifdef __cplusplus
extern "C" {
@ -59,6 +60,28 @@ extern "C" {
#define LED3_TOGGLE (LED_PORT->OUT ^= LED3_MASK)
/** @} */
/**
* @name SPI NOR flash hardware configuration
*
* A Macronix MX25R6435F is present on the board
* @{
*/
#define NRF52840DK_NOR_PAGE_SIZE (256)
#define NRF52840DK_NOR_PAGES_PER_SECTOR (16)
#define NRF52840DK_NOR_SECTOR_COUNT (2048)
#define NRF52840DK_NOR_FLAGS (SPI_NOR_F_SECT_4K | SPI_NOR_F_SECT_32K)
#define NRF52840DK_NOR_SPI_DEV SPI_DEV(1)
#define NRF52840DK_NOR_SPI_CLK SPI_CLK_10MHZ
#define NRF52840DK_NOR_SPI_CS GPIO_PIN(0, 17)
#define NRF52840DK_NOR_SPI_MODE SPI_MODE_0
/** @} */
/** Default MTD device */
#define MTD_0 mtd0
/** mtd flash emulation device */
extern mtd_dev_t *mtd0;
/**
* @name Button pin configuration
* @{

6
boards/nrf52840dk/include/periph_conf.h
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@ -36,6 +36,12 @@ static const spi_conf_t spi_config[] = {
.sclk = GPIO_PIN(1, 15),
.mosi = GPIO_PIN(1, 13),
.miso = GPIO_PIN(1, 14),
},
{
.dev = NRF_SPI1,
.sclk = GPIO_PIN(0, 19),
.mosi = GPIO_PIN(0, 20),
.miso = GPIO_PIN(0, 21),
}
};
#define SPI_NUMOF ARRAY_SIZE(spi_config)

57
boards/nrf52840dk/mtd.c Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
* Copyright (C) 2020 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_nrf52840dk
* @{
*
* @file
* @brief MTD configuration for the nRF52840 DK
*
* @author Koen Zandberg <koen@bergzand.net>
*
* @}
*/
#ifdef MODULE_MTD
#include "board.h"
#include "mtd.h"
#include "mtd_spi_nor.h"
#include "periph_conf.h"
#include "timex.h"
static const mtd_spi_nor_params_t _nrf52840dk_nor_params = {
.opcode = &mtd_spi_nor_opcode_default,
.wait_chip_erase = 50LU * US_PER_SEC,
.wait_32k_erase = 240LU *US_PER_MS,
.wait_sector_erase = 40LU * US_PER_MS,
.wait_4k_erase = 40LU * US_PER_MS,
.wait_chip_wake_up = 35LU * US_PER_MS,
.clk = NRF52840DK_NOR_SPI_CLK,
.flag = NRF52840DK_NOR_FLAGS,
.spi = NRF52840DK_NOR_SPI_DEV,
.mode = NRF52840DK_NOR_SPI_MODE,
.cs = NRF52840DK_NOR_SPI_CS,
.addr_width = 3,
};
static mtd_spi_nor_t nrf52840dk_nor_dev = {
.base = {
.driver = &mtd_spi_nor_driver,
.page_size = NRF52840DK_NOR_PAGE_SIZE,
.pages_per_sector = NRF52840DK_NOR_PAGES_PER_SECTOR,
.sector_count = NRF52840DK_NOR_SECTOR_COUNT,
},
.params = &_nrf52840dk_nor_params,
};
mtd_dev_t *mtd0 = (mtd_dev_t *)&nrf52840dk_nor_dev;
#endif