a8c2507dbf
I have the ADuC702x flashdriver working again (see attachment). It adds the option to erase and write the ADuC702x flash git-svn-id: svn://svn.berlios.de/openocd/trunk@992 b42882b7-edfa-0310-969c-e2dbd0fdcd60
218 lines
6.9 KiB
C
218 lines
6.9 KiB
C
/***************************************************************************
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* Copyright (C) 2008 by Kevin McGuire *
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* Copyright (C) 2008 by Marcel Wijlaars *
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*
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "replacements.h"
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#include "flash.h"
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#include "target.h"
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#include "log.h"
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#include "armv4_5.h"
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#include "algorithm.h"
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#include "binarybuffer.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int x7026_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
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int x7026_register_commands(struct command_context_s *cmd_ctx);
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int x7026_erase(struct flash_bank_s *bank, int first, int last);
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int x7026_protect(struct flash_bank_s *bank, int set, int first, int last);
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int x7026_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
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int x7026_probe(struct flash_bank_s *bank);
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int x7026_info(struct flash_bank_s *bank, char *buf, int buf_size);
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int x7026_protect_check(struct flash_bank_s *bank);
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int x7026_erase_check(struct flash_bank_s *bank);
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#define ADUC7026_FLASH 0xfffff800
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#define ADUC7026_FLASH_FEESTA (0*4)
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#define ADUC7026_FLASH_FEEMOD (1*4)
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#define ADUC7026_FLASH_FEECON (2*4)
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#define ADUC7026_FLASH_FEEDAT (3*4)
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#define ADUC7026_FLASH_FEEADR (4*4)
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#define ADUC7026_FLASH_FEESIGN (5*4)
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#define ADUC7026_FLASH_FEEPRO (6*4)
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#define ADUC7026_FLASH_FEEHIDE (7*4)
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typedef struct{
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uint32_t feesta;
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uint32_t feemod;
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uint32_t feecon;
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uint32_t feedat;
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uint32_t feeadr;
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uint32_t feesign;
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uint32_t feepro;
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uint32_t feehide;
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} ADUC7026_FLASH_MMIO;
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typedef struct
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{
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unsigned char tmp;
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} X7026_BANK;
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flash_driver_t x7026_flash =
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{
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.name = "x7026",
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.register_commands = x7026_register_commands,
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.flash_bank_command = x7026_flash_bank_command,
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.erase = x7026_erase,
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.protect = x7026_protect,
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.write = x7026_write,
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.probe = x7026_probe,
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.auto_probe = x7026_probe,
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.erase_check = x7026_erase_check,
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.protect_check = x7026_protect_check,
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.info = x7026_info
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};
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int x7026_register_commands(struct command_context_s *cmd_ctx)
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{
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printf("x7026_register_commands not implemented yet.\n");
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return ERROR_OK;
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}
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/* flash bank str7x <base> <size> 0 0 <target#> */
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int x7026_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
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{
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X7026_BANK *nbank;
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if (argc < 6)
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{
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LOG_WARNING("incomplete flash_bank x7026 configuration");
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return ERROR_FLASH_BANK_INVALID;
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}
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nbank = malloc(sizeof(X7026_BANK));
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/* just warn that we are used to normally using 0x80000 */
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if(bank->base != 0x80000)
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{
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LOG_WARNING("Default base address is 0x80000 on the ADuC7026!");
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}
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nbank->tmp = 1;
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bank->driver_priv = nbank;
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return ERROR_OK;
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}
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int x7026_protect_check(struct flash_bank_s *bank)
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{
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printf("x7026_protect_check not implemented yet.\n");
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return ERROR_OK;
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}
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int x7026_erase(struct flash_bank_s *bank, int first, int last)
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{
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unsigned int x;
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int count;
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u32 v;
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target_t *target = bank->target;
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/* mass erase */
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if((first | last) == 0)
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{
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printf("performing mass erase.\n");
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEDAT, 0x3cff);
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEADR, 0xffc3);
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target_read_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEMOD, &v);
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEMOD, v | 0x8);
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEECON, 0x06);
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for(v = 0x4; v & 0x4;
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target_read_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEESTA, &v));
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if(!(v & 0x1))
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{
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printf("mass erase failed.\n");
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return -1;
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}
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printf("mass erase successful.\n");
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return ERROR_OK;
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}
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count = last - first;
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for(x = 0; x < (unsigned int)count; ++x)
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{
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEADR, bank->base + first * 512 + x * 512);
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEECON, 0x05);
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for(v = 0x4; v & 0x4; target_read_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEESTA, &v));
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if(!(v & 0x1))
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{
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printf("erase failed for page address %x\n", bank->base + first * 512 + x * 512);
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return -1;
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}
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printf("erased page address %x\n", bank->base + first * 512 + x * 512);
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}
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return ERROR_OK;
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}
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int x7026_protect(struct flash_bank_s *bank, int set, int first, int last)
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{
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printf("x7026_protect not implemented yet.\n");
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return -1;
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}
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int x7026_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
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{
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unsigned int x;
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u32 v;
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target_t *target = bank->target;
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for(x = 0; x < count; x += 2)
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{
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEADR, offset + x);
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/* if we able to encounter a single byte instead of a word */
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if((x + 1) == count)
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{
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEDAT, buffer[x]);
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}else{
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEEDAT, buffer[x] | (buffer[x+1] << 8));
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}
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target_write_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEECON, 0x02);
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for(v = 0x4; v & 0x4; target_read_u32(target, ADUC7026_FLASH + ADUC7026_FLASH_FEESTA, &v));
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if(!(v & 0x1))
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{
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printf("single write failed for address %x.\n", offset + x);
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return -1;
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}
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printf("single write for address %x.\n", offset + x);
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}
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return ERROR_OK;
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}
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int x7026_probe(struct flash_bank_s *bank)
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{
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printf("x7026_probe not implemented yet.\n");
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return ERROR_OK;
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}
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int x7026_info(struct flash_bank_s *bank, char *buf, int buf_size)
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{
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snprintf(buf, buf_size, "x7026 flash driver info" );
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return -1;
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}
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int x7026_erase_check(struct flash_bank_s *bank)
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{
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printf("x7026_erase_check not implemented yet.\n");
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return -1;
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}
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