arm_flash_atmel.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sysexits.h>
#include <ctype.h>
#include <unistd.h>
#include "dbg_msg.h"
#include "jt_arm.h"
#include "jt_flash.h"
#include "arm_gdbstub.h"
#include "arm_memory_mmap.h"
#include "arm_memory_workspace.h"
#include "convert.h"

Defines

• #define SAM7_MC_FMR__FMCN(_x_)   (((_x_)&0xFF)<<16)
• #define SAM7_MC_FMR__FWS(_x_)   (((_x_)&0x3)<<8)
• #define SAM7_MC_FMR__NEBP(_x_)   (((_x_)&0x1)<<7)
• #define SAM7_MC_FCR__KEY   (0x5A<<24)
• #define SAM7_MC_FCR__PAGEN(_x_)   (((_x_)&0x3FF)<<8)
• #define SAM7_MC_FCR__FCMD(_x_)   (((_x_)&0xF))
• #define SAM7_MC_FCR__FCMD_WP   1
• #define SAM7_MC_FCR__FCMD_SLB   2
• #define SAM7_MC_FCR__FCMD_WPL   3
• #define SAM7_MC_FCR__FCMD_CLB   4
• #define SAM7_MC_FCR__FCMD_EA   8
• #define SAM7_MC_FCR__FCMD_SGPB   11
• #define SAM7_MC_FCR__FCMD_CGPB   13
• #define SAM7_MC_FCR__FCMD_SSB   15

Functions

• int atmelFlashEraseAndProgram (uint32_t addr, int pageNumber, int pageSize, uint32_t *data)
• int atmelFlashProgramOnly (uint32_t addr, int pageNumber, int pageSize, uint32_t *data)
• int atmelFlashUnlock (uint32_t addr, int pageNumber)
• int atmelFlashLock (uint32_t addr, int pageNumber)
• int atmelFlashSetGPNVM (int bitNumber)
• int atmelFlashClearGPNVM (int bitNumber)
• int atmelFlashErase (uint32_t addr, int pageNumber)
• uint32_t atmelFlashGetStatus (uint32_t addr)

---

Detailed Description

---

Define Documentation

#define SAM7_MC_FMR__FMCN

(

_x_

)

(((_x_)&0xFF)<<16)

Referenced by atmelFlashClearGPNVM(), atmelFlashErase(), atmelFlashEraseAndProgram(), atmelFlashLock(), atmelFlashProgramOnly(), atmelFlashSetGPNVM(), and atmelFlashUnlock().

#define SAM7_MC_FMR__FWS

(

_x_

)

(((_x_)&0x3)<<8)

Referenced by atmelFlashClearGPNVM(), atmelFlashErase(), atmelFlashEraseAndProgram(), atmelFlashLock(), atmelFlashProgramOnly(), atmelFlashSetGPNVM(), and atmelFlashUnlock().

#define SAM7_MC_FMR__NEBP

(

_x_

)

(((_x_)&0x1)<<7)

Referenced by atmelFlashClearGPNVM(), atmelFlashErase(), atmelFlashEraseAndProgram(), atmelFlashLock(), atmelFlashProgramOnly(), atmelFlashSetGPNVM(), and atmelFlashUnlock().

#define SAM7_MC_FCR__KEY   (0x5A<<24)

Referenced by atmelFlashClearGPNVM(), atmelFlashErase(), atmelFlashEraseAndProgram(), atmelFlashLock(), atmelFlashProgramOnly(), atmelFlashSetGPNVM(), and atmelFlashUnlock().

#define SAM7_MC_FCR__PAGEN

(

_x_

)

(((_x_)&0x3FF)<<8)

Referenced by atmelFlashClearGPNVM(), atmelFlashErase(), atmelFlashEraseAndProgram(), atmelFlashLock(), atmelFlashProgramOnly(), atmelFlashSetGPNVM(), and atmelFlashUnlock().

#define SAM7_MC_FCR__FCMD

(

_x_

)

(((_x_)&0xF))

Referenced by atmelFlashClearGPNVM(), atmelFlashErase(), atmelFlashEraseAndProgram(), atmelFlashLock(), atmelFlashProgramOnly(), atmelFlashSetGPNVM(), and atmelFlashUnlock().

#define SAM7_MC_FCR__FCMD_WP   1

Referenced by atmelFlashErase(), atmelFlashEraseAndProgram(), and atmelFlashProgramOnly().

#define SAM7_MC_FCR__FCMD_SLB   2

Referenced by atmelFlashLock().

#define SAM7_MC_FCR__FCMD_WPL   3

#define SAM7_MC_FCR__FCMD_CLB   4

Referenced by atmelFlashUnlock().

#define SAM7_MC_FCR__FCMD_EA   8

#define SAM7_MC_FCR__FCMD_SGPB   11

Referenced by atmelFlashSetGPNVM().

#define SAM7_MC_FCR__FCMD_CGPB   13

Referenced by atmelFlashClearGPNVM().

#define SAM7_MC_FCR__FCMD_SSB   15

---

Function Documentation

int atmelFlashEraseAndProgram	(	uint32_t	addr,
		int	pageNumber,
		int	pageSize,
		uint32_t *	data
	)

Atmel SAM7 flash. erase and program one or more pages
(using commonVar.SAM7_frequence)

Parameters:

	addr	Flash page address start
	pageNumber
	pageSize
	data	Pointer to 32 bit source of data

Returns:

length of programmed data (in bytes)

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_WP, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

int atmelFlashProgramOnly	(	uint32_t	addr,
		int	pageNumber,
		int	pageSize,
		uint32_t *	data
	)

Atmel SAM7 flash. program one or more pages (without erasing it before)
(using commonVar.SAM7_frequence)

Parameters:

	addr	Flash page address start
	pageNumber
	pageSize
	data	Pointer to 32 bit source of data

Returns:

length of programmed data (in bytes)

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_WP, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

Referenced by programFlashCB_write_sector().

int atmelFlashUnlock	(	uint32_t	addr,
		int	pageNumber
	)

Atmel flash unlock.
(using commonVar.SAM7_frequence)

Parameters:

	addr	Flash page address start
	pageNumber

Return values:

	0	on success
	>=1	else errro number

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_CLB, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

int atmelFlashLock	(	uint32_t	addr,
		int	pageNumber
	)

Atmel flash lock.
(using commonVar.SAM7_frequence)

Parameters:

	addr	Flash page address start
	pageNumber

Return values:

	0	on success
	>=1	else errro number

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_SLB, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

int atmelFlashSetGPNVM

(

int

bitNumber

)

Atmel flash set GPNVM Bit.
(using commonVar.SAM7_frequence)

Parameters:

bitNumber

Return values:

	0	on success
	>=1	else errro number

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_SGPB, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

Referenced by gdb_monitor_Rcmd().

int atmelFlashClearGPNVM

(

int

bitNumber

)

Atmel flash clear GPNVM Bit.
(using commonVar.SAM7_frequence)

Parameters:

bitNumber

Return values:

	0	on success
	>=1	else errro number

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_CGPB, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

Referenced by gdb_monitor_Rcmd().

int atmelFlashErase	(	uint32_t	addr,
		int	pageNumber
	)

Atmel SAM7 flash.
(using commonVar.SAM7_frequence)

Parameters:

	addr	Flash page address start
	pageNumber

Return values:

	0	on success
	>=1	else errro number

References memMap::baseAddr, convertDiffTimeToMsec, DBG_LEVEL_GDB_ARM_ERROR, DBG_LEVEL_GDB_ARM_INFO, DBG_LEVEL_GDB_ARM_WARN, dbgPrintf(), getWorkSpace(), ICERT_REG_DCC_CONTROL, ICERT_REG_DCC_DATA, IF_DBG, jtag_arm_IceRT_RegRead(), jtag_arm_IceRT_RegRead_Once(), jtag_arm_IceRT_RegWrite(), jtag_arm_Mointor2DebugMode(), jtag_arm_PollDbgState(), jtag_arm_RunProgram(), memMap::memBufferType, memMap::MemBufferType::Workspace::offset, SAM7_MC_FCR__FCMD, SAM7_MC_FCR__FCMD_WP, SAM7_MC_FCR__KEY, SAM7_MC_FCR__PAGEN, SAM7_MC_FMR__FMCN, SAM7_MC_FMR__FWS, SAM7_MC_FMR__NEBP, useWorkspace(), memMap::MemBufferType::Workspace, and WORKSPACE_ALGO_FLASH_ATMEL.

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().

uint32_t atmelFlashGetStatus

(

uint32_t

addr

)

Atmel SAM7 flash. read AT91SAM7 Flash Status Register

Parameters:

addr

Flash page address start

Returns:

Flash Status Register

References jtag_arm_ReadWord().

Referenced by eraseFlashCB_sector(), and programFlashCB_write_sector().