spi_flash.c File Reference

WILC stack SPI Flash internal APIs implementation.

Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.

#include "common/include/nm_common.h"
#include "driver/source/nmbus.h"
#include "bsp/include/nm_bsp.h"
#include "driver/source/nmdrv.h"

Macros
#define	DUMMY_REGISTER   (0x1084)
#define	SPI_FLASH_BASE   (0x10200)
#define	SPI_FLASH_BUF1   (SPI_FLASH_BASE + 0x0c)
#define	SPI_FLASH_BUF2   (SPI_FLASH_BASE + 0x10)
#define	SPI_FLASH_BUF_DIR   (SPI_FLASH_BASE + 0x14)
#define	SPI_FLASH_CMD_CNT   (SPI_FLASH_BASE + 0x04)
#define	SPI_FLASH_DATA_CNT   (SPI_FLASH_BASE + 0x08)
#define	SPI_FLASH_DMA_ADDR   (SPI_FLASH_BASE + 0x1c)
#define	SPI_FLASH_MODE   (SPI_FLASH_BASE + 0x00)
#define	SPI_FLASH_MSB_CTL   (SPI_FLASH_BASE + 0x20)
#define	SPI_FLASH_TR_DONE   (SPI_FLASH_BASE + 0x18)
#define	SPI_FLASH_TX_CTL   (SPI_FLASH_BASE + 0x24)
#define	TIMEOUT   10000 /*MS*/

Functions
uint32	spi_flash_get_size (void)
static sint8	spi_flash_probe (uint32 *u32FlashId)
static uint32	spi_flash_rdid (void)

Variables
static uint32	gu32InernalFlashSize = 0

#define DUMMY_REGISTER   (0x1084)

Referenced by spi_flash_rdid().

#define SPI_FLASH_BASE   (0x10200)

#define SPI_FLASH_BUF1   (SPI_FLASH_BASE + 0x0c)

Referenced by spi_flash_rdid().

#define SPI_FLASH_BUF2   (SPI_FLASH_BASE + 0x10)

#define SPI_FLASH_BUF_DIR   (SPI_FLASH_BASE + 0x14)

Referenced by spi_flash_rdid().

#define SPI_FLASH_CMD_CNT   (SPI_FLASH_BASE + 0x04)

Referenced by spi_flash_rdid().

#define SPI_FLASH_DATA_CNT   (SPI_FLASH_BASE + 0x08)

Referenced by spi_flash_rdid().

#define SPI_FLASH_DMA_ADDR   (SPI_FLASH_BASE + 0x1c)

Referenced by spi_flash_rdid().

#define SPI_FLASH_MODE   (SPI_FLASH_BASE + 0x00)

#define SPI_FLASH_MSB_CTL   (SPI_FLASH_BASE + 0x20)

#define SPI_FLASH_TR_DONE   (SPI_FLASH_BASE + 0x18)

Referenced by spi_flash_rdid().

#define SPI_FLASH_TX_CTL   (SPI_FLASH_BASE + 0x24)

#define TIMEOUT   10000 /*MS*/

uint32 spi_flash_get_size

(

void

)

References gu32InernalFlashSize, M2M_ERR, M2M_INFO, M2M_SUCCESS, and spi_flash_probe().

static sint8 spi_flash_probe ( uint32 *  u32FlashId )

static

References M2M_SUCCESS, nm_read_reg(), nm_write_reg(), and spi_flash_rdid().

Referenced by spi_flash_get_size().

static uint32 spi_flash_rdid ( void  )

static

References DUMMY_REGISTER, M2M_PRINT, nm_read_reg(), nm_write_reg(), SPI_FLASH_BUF1, SPI_FLASH_BUF_DIR, SPI_FLASH_CMD_CNT, SPI_FLASH_DATA_CNT, SPI_FLASH_DMA_ADDR, and SPI_FLASH_TR_DONE.

Referenced by spi_flash_probe().

uint32 gu32InernalFlashSize = 0

static

Referenced by spi_flash_get_size().