spiFlash.c File Reference

#include <stdio.h>
#include "bsp.h"
#include "spiFlash/spiFlash.h"

Go to the source code of this file.

Overview

spiFlash driver implementation.

Implements the functions defined in spiFlash.h for controlling spiFlash input/output and interrupts on the EfxSapphireSoC platform.

Copyright

2013-2026 Efinix Inc. All rights reserved.
See the full License Information for Efinix and SaxonSoc MIT terms.

Definition in file spiFlash.c.

Functions
void	spiFlash_init_controller (spiFlash_instance_t *flash)
	Initialize SPI setting.
spiFlash_status_t	spiFlash_probe (spiFlash_instance_t *flash, const spiFlash_info_t *user_flash)
	The main wrapper for initialize SPI Flash.
void	spiFlash_wake (spiFlash_instance_t *flash)
	Select spi and wake up SPI Flash.
spiFlash_status_t	spiFlash_verify (spiFlash_instance_t *flash, const spiFlash_info_t *user_flash)
	Verify spiFlash.
u8	spiFlash_read_id (spiFlash_instance_t *flash)
	Select and Read Device ID from spiFlash.
u32	spiFlash_jedec_id (spiFlash_instance_t *flash)
	Select and read JEDEC ID from spiFlash.
u8	spiFlash_write (spiFlash_instance_t *flash, u32 flashAddress, u8 *src, u32 len)
	Write N byte to Flash using standard write mode.
u8	spiFlash_write_quad (spiFlash_instance_t *flash, u32 flashAddress, u8 *src, u32 len)
	Write N byte to Flash using quad write mode.
void	spiFlash_read (spiFlash_instance_t *flash, u32 flashAddress, u8 *buffer, u32 len)
	Read N byte from Flash using standard read mode.
void	spiFlash_read_quad (spiFlash_instance_t *flash, u32 flashAddress, u8 *buffer, u32 len)
	Read N byte from Flash using quad read mode.
u8	spiFlash_readStatusReg (spiFlash_instance_t *flash)
	Read Status Register.
void	spiFlash_writeStatusReg (spiFlash_instance_t *flash, u8 data)
	Write Status Register.
void	spiFlash_f2m (spiFlash_instance_t *flash, u32 flashAddress, uintptr_t memoryAddress, u32 size)
	This function read data from FlashAddress and copy to memoryAddress of specific size with single data line.
void	spiFlash_f2m_dual (spiFlash_instance_t *flash, u32 flashAddress, uintptr_t memoryAddress, u32 size)
void	spiFlash_f2m_quad (spiFlash_instance_t *flash, u32 flashAddress, uintptr_t memoryAddress, u32 size)
void	spiFlash_enable_quad_access (spiFlash_instance_t *flash)
	Set Write Enable Latch and set Quad Enable bit to enable Quad SPI.
void	spiFlash_writeEnable (spiFlash_instance_t *flash)
	Set Write Enable Latch.
u8	spiFlash_exit4ByteAddr (spiFlash_instance_t *flash)
	Exit 4-byte addressing.
void	spiFlash_globalLock (spiFlash_instance_t *flash)
	Globally locks the SPI flash.
void	spiFlash_globalUnlock (spiFlash_instance_t *flash)
	Globally unlocks the SPI flash.
spiFlash_status_t	spiFlash_waitBusy (spiFlash_instance_t *flash)
	Wait for spiFlash to be free.
void	spiFlash_sectorErase (spiFlash_instance_t *flash, u32 flashAddress)
	Erases a sector of the SPI flash given an address.

Function Documentation

spiFlash_f2m_dual()

void spiFlash_f2m_dual	(	spiFlash_instance_t *	flash,
		u32	flashAddress,
		uintptr_t	memoryAddress,
		u32	size )

Definition at line 356 of file spiFlash.c.

spiFlash_f2m_quad()

void spiFlash_f2m_quad	(	spiFlash_instance_t *	flash,
		u32	flashAddress,
		uintptr_t	memoryAddress,
		u32	size )

Definition at line 363 of file spiFlash.c.