jt_flash_intel.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "dbg_msg.h"
#include "jt_arm.h"
#include "jt_instr.h"
#include "jt_flash.h"

Functions

• int jt_intelflashProgByte (uint32_t base_address, uint32_t address, uint8_t data, unsigned wait)
• int jt_intelflashUnlockSectorByte (uint32_t base_address, uint32_t address)
• int jt_intelflashEraseSectorByte (uint32_t base_address, uint32_t address)
• int jt_intelflashProgHalfword (uint32_t base_address, uint32_t address, uint16_t data, unsigned wait)
• int jt_intelflashProgHalfword_dual (uint32_t base_address, uint32_t address, uint16_t data, unsigned wait)
• int jt_intelflashUnlockSectorHalfword (uint32_t base_address, uint32_t address)
• int jt_intelflashUnlockSectorHalfword_dual (uint32_t base_address, uint32_t address)
• int jt_intelflashEraseSectorHalfword (uint32_t base_address, uint32_t address)
• int jt_intelflashEraseSectorHalfword_dual (uint32_t base_address, uint32_t address)
• int jt_intelflashProgWord (uint32_t base_address, uint32_t address, uint32_t data, unsigned wait)
• int jt_intelflashProgWord_dual (uint32_t base_address, uint32_t address, uint32_t data, unsigned wait)
• int jt_intelflashProgWord_quad (uint32_t base_address, uint32_t address, uint32_t data, unsigned wait)
• int jt_intelflashUnlockSectorWord (uint32_t base_address, uint32_t address)
• int jt_intelflashUnlockSectorWord_dual (uint32_t base_address, uint32_t address)
• int jt_intelflashUnlockSectorWord_quad (uint32_t base_address, uint32_t address)
• int jt_intelflashEraseSectorWord (uint32_t base_address, uint32_t address)
• int jt_intelflashEraseSectorWord_dual (uint32_t base_address, uint32_t address)
• int jt_intelflashEraseSectorWord_quad (uint32_t base_address, uint32_t address)

---

Detailed Description

Flash support functions

---

Function Documentation

int jt_intelflashProgByte	(	uint32_t	base_address,
		uint32_t	address,
		uint8_t	data,
		unsigned	wait
	)

Support Function to write one Byte to the Flash.
This is OK after an erase of a Sector.

Parameters:

	base_address	flash base address
	address	byte address to write
	data	8-bit data value
	wait	if true wait for completion

Return values:

	0	success
	1	error

References jtag_arm_ReadByte(), and jtag_arm_WriteByte().

Referenced by programFlashCB_write_sector().

int jt_intelflashUnlockSectorByte	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to unlock a Sector within the Flash.

Parameters:

	base_address	First address of the Flash that has to be used
	address	Addres within the sector which has to to be unlocked

Return values:

	0	success
	1	error

References jtag_arm_ReadByte(), and jtag_arm_WriteByte().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashEraseSectorByte	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Erase a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be erased
	address	Addres within the sector which has to to be erased

Return values:

	0	success
	1	error

References jtag_arm_ReadByte(), and jtag_arm_WriteByte().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashProgHalfword	(	uint32_t	base_address,
		uint32_t	address,
		uint16_t	data,
		unsigned	wait
	)

Support Function to write one Halfword to the Flash. This is OK after an erase of a Sector.

Parameters:

	base_address	flash base address
	address	byte address to write
	data	16-bit data value for one 16 bit flash
	wait	if true wait for completion

Return values:

	0	success
	1	error

References jtag_arm_ReadHalfword(), and jtag_arm_WriteHalfword().

Referenced by programFlashCB_write_sector().

int jt_intelflashProgHalfword_dual	(	uint32_t	base_address,
		uint32_t	address,
		uint16_t	data,
		unsigned	wait
	)

Support Function to write one Halfword to the Flash. This is OK after an erase of a Sector.

Parameters:

	base_address	flash base address
	address	byte address to write
	data	16-bit data value for two 8 bit flashes
	wait	if true wait for completion

Return values:

	0	success
	1	error

References jtag_arm_ReadHalfword(), and jtag_arm_WriteHalfword().

Referenced by programFlashCB_write_sector().

int jt_intelflashUnlockSectorHalfword	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Unlock a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be used
	address	Addres within the sector which has to to be unlocked

Return values:

	0	success
	1	error

References jtag_arm_ReadHalfword(), and jtag_arm_WriteHalfword().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashUnlockSectorHalfword_dual	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Unlock a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be used
	address	Address within the sector which has to to be unlocked

Return values:

	0	success
	1	error

References jtag_arm_ReadHalfword(), and jtag_arm_WriteHalfword().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashEraseSectorHalfword	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Erase a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be erased
	address	Addres within the sector which has to to be erased

Return values:

	0	success
	1	error

References jtag_arm_ReadHalfword(), and jtag_arm_WriteHalfword().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashEraseSectorHalfword_dual	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Erase a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be erased
	address	Addres within the sector which has to to be erased

Return values:

	0	success
	1	error

References jtag_arm_ReadHalfword(), and jtag_arm_WriteHalfword().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashProgWord	(	uint32_t	base_address,
		uint32_t	address,
		uint32_t	data,
		unsigned	wait
	)

Support Function to write one Word to the Flash. This is OK after an erase of a Sector.

Parameters:

	base_address	flash base address
	address	byte address to write
	data	32-bit data value for one 32-bit flash
	wait	if true wait for completion

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by programFlashCB_write_sector().

int jt_intelflashProgWord_dual	(	uint32_t	base_address,
		uint32_t	address,
		uint32_t	data,
		unsigned	wait
	)

Support Function to write one Word to the Flash. This is OK after an erase of a Sector.

Parameters:

	base_address	flash base address
	address	byte address to write
	data	32-bit data value for two 16-bit flash's
	wait	if true wait for completion

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by programFlashCB_write_sector().

int jt_intelflashProgWord_quad	(	uint32_t	base_address,
		uint32_t	address,
		uint32_t	data,
		unsigned	wait
	)

Support Function to write one Word to the Flash. This is OK after an erase of a Sector.

Parameters:

	base_address	flash base address
	address	byte address to write
	data	32-bit data value for four 8-bit flash's
	wait	if true wait for completion

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by programFlashCB_write_sector().

int jt_intelflashUnlockSectorWord	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Unlock a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be used
	address	Addres within the sector which has to to be unlocked

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashUnlockSectorWord_dual	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Unlock a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be used
	address	Addres within the sector which has to to be unlocked

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashUnlockSectorWord_quad	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Unlock a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be used
	address	Addres within the sector which has to to be unlocked

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashEraseSectorWord	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Erase a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be erased
	address	Addres within the sector which has to to be erased

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashEraseSectorWord_dual	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Erase a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be erased
	address	Addres within the sector which has to to be erased

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int jt_intelflashEraseSectorWord_quad	(	uint32_t	base_address,
		uint32_t	address
	)

Support Function to Erase a Sector within the Flash

Parameters:

	base_address	First address of the Flash that has to be erased
	address	Addres within the sector which has to to be erased

Return values:

	0	success
	1	error

References jtag_arm_ReadWord(), and jtag_arm_WriteWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().