Added the faux flash driver and target. Used for testing.
This commit is contained in:
Øyvind Harboe
parent
ad75639611
commit
79e257a209
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@ -38,6 +38,7 @@ libflash_la_SOURCES = \
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mflash.c \
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pic32mx.c \
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avrf.c \
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faux.c \
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mx3_nand.c
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noinst_HEADERS = \
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@ -148,7 +148,7 @@ static int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char
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info->driverPath = strdup(args[6]);
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/* eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as
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* a way to improve impeadance matach between OpenOCD and eCos flash
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* a way to improve impedance match between OpenOCD and eCos flash
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* driver.
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*/
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int i = 0;
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@ -0,0 +1,153 @@
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/***************************************************************************
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* Copyright (C) 2009 Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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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 "flash.h"
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#include "image.h"
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static int faux_register_commands(struct command_context_s *cmd_ctx);
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static int faux_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
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static int faux_erase(struct flash_bank_s *bank, int first, int last);
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static int faux_protect(struct flash_bank_s *bank, int set, int first, int last);
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static int faux_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
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static int faux_probe(struct flash_bank_s *bank);
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static int faux_protect_check(struct flash_bank_s *bank);
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static int faux_info(struct flash_bank_s *bank, char *buf, int buf_size);
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flash_driver_t faux_flash =
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{
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.name = "faux",
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.register_commands = faux_register_commands,
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.flash_bank_command = faux_flash_bank_command,
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.erase = faux_erase,
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.protect = faux_protect,
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.write = faux_write,
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.probe = faux_probe,
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.auto_probe = faux_probe,
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.erase_check = default_flash_blank_check,
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.protect_check = faux_protect_check,
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.info = faux_info
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};
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typedef struct faux_flash_bank_s
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{
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struct target_s *target;
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uint8_t *memory;
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uint32_t start_address;
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} faux_flash_bank_t;
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static const int sectorSize = 0x10000;
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/* flash bank faux <base> <size> <chip_width> <bus_width> <target#> <driverPath>
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*/
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static int faux_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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faux_flash_bank_t *info;
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if (argc < 6)
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{
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LOG_WARNING("incomplete flash_bank faux configuration");
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return ERROR_FLASH_BANK_INVALID;
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}
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info = malloc(sizeof(faux_flash_bank_t));
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if (info == NULL)
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{
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LOG_ERROR("no memory for flash bank info");
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return ERROR_FAIL;
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}
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info->memory = malloc(bank->size);
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if (info == NULL)
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{
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free(info);
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LOG_ERROR("no memory for flash bank info");
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return ERROR_FAIL;
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}
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bank->driver_priv = info;
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/* Use 0x10000 as a fixed sector size. */
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int i = 0;
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uint32_t offset = 0;
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bank->num_sectors = bank->size/sectorSize;
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bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
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for (i = 0; i < bank->num_sectors; i++)
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{
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bank->sectors[i].offset = offset;
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bank->sectors[i].size = sectorSize;
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offset += bank->sectors[i].size;
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bank->sectors[i].is_erased = -1;
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bank->sectors[i].is_protected = 0;
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}
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info->target = get_target(args[5]);
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if (info->target == NULL)
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{
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LOG_ERROR("target '%s' not defined", args[5]);
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free(info->memory);
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free(info);
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return ERROR_FAIL;
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}
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return ERROR_OK;
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}
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static int faux_register_commands(struct command_context_s *cmd_ctx)
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{
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return ERROR_OK;
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}
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static int faux_erase(struct flash_bank_s *bank, int first, int last)
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{
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faux_flash_bank_t *info = bank->driver_priv;
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memset(info->memory + first*sectorSize, 0xff, sectorSize*(last-first + 1));
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return ERROR_OK;
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}
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static int faux_protect(struct flash_bank_s *bank, int set, int first, int last)
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{
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LOG_USER("set protection sector %d to %d to %s", first, last, set?"on":"off");
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return ERROR_OK;
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}
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static int faux_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
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{
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faux_flash_bank_t *info = bank->driver_priv;
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memcpy(info->memory + offset, buffer, count);
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return ERROR_OK;
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}
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static int faux_protect_check(struct flash_bank_s *bank)
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{
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return ERROR_OK;
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}
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static int faux_info(struct flash_bank_s *bank, char *buf, int buf_size)
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{
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snprintf(buf, buf_size, "faux flash driver");
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return ERROR_OK;
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}
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static int faux_probe(struct flash_bank_s *bank)
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{
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return ERROR_OK;
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}
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@ -64,6 +64,7 @@ extern flash_driver_t ecosflash_flash;
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extern flash_driver_t ocl_flash;
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extern flash_driver_t pic32mx_flash;
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extern flash_driver_t avr_flash;
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extern flash_driver_t faux_flash;
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flash_driver_t *flash_drivers[] = {
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&lpc2000_flash,
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@ -83,6 +84,7 @@ flash_driver_t *flash_drivers[] = {
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&ocl_flash,
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&pic32mx_flash,
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&avr_flash,
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&faux_flash,
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NULL,
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};
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@ -0,0 +1,29 @@
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#Script for faux target - used for testing
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME at91eb40a
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}
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if { [info exists ENDIAN] } {
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set _ENDIAN $ENDIAN
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} else {
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set _ENDIAN little
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}
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if { [info exists CPUTAPID ] } {
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set _CPUTAPID $CPUTAPID
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} else {
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set _CPUTAPID 0x00000000
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}
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jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
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#target configuration
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
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#dummy flash driver
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flash bank faux 0x01000000 0x200000 2 2 0
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