Commit 79e257a2 authored by Øyvind Harboe's avatar Øyvind Harboe
Browse files

Added the faux flash driver and target. Used for testing.

parent ad756396
......@@ -38,6 +38,7 @@ libflash_la_SOURCES = \
mflash.c \
pic32mx.c \
avrf.c \
faux.c \
mx3_nand.c
noinst_HEADERS = \
......
......@@ -148,7 +148,7 @@ static int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char
info->driverPath = strdup(args[6]);
/* eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as
* a way to improve impeadance matach between OpenOCD and eCos flash
* a way to improve impedance match between OpenOCD and eCos flash
* driver.
*/
int i = 0;
......
/***************************************************************************
* Copyright (C) 2009 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "flash.h"
#include "image.h"
static int faux_register_commands(struct command_context_s *cmd_ctx);
static int faux_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
static int faux_erase(struct flash_bank_s *bank, int first, int last);
static int faux_protect(struct flash_bank_s *bank, int set, int first, int last);
static int faux_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
static int faux_probe(struct flash_bank_s *bank);
static int faux_protect_check(struct flash_bank_s *bank);
static int faux_info(struct flash_bank_s *bank, char *buf, int buf_size);
flash_driver_t faux_flash =
{
.name = "faux",
.register_commands = faux_register_commands,
.flash_bank_command = faux_flash_bank_command,
.erase = faux_erase,
.protect = faux_protect,
.write = faux_write,
.probe = faux_probe,
.auto_probe = faux_probe,
.erase_check = default_flash_blank_check,
.protect_check = faux_protect_check,
.info = faux_info
};
typedef struct faux_flash_bank_s
{
struct target_s *target;
uint8_t *memory;
uint32_t start_address;
} faux_flash_bank_t;
static const int sectorSize = 0x10000;
/* flash bank faux <base> <size> <chip_width> <bus_width> <target#> <driverPath>
*/
static int faux_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
{
faux_flash_bank_t *info;
if (argc < 6)
{
LOG_WARNING("incomplete flash_bank faux configuration");
return ERROR_FLASH_BANK_INVALID;
}
info = malloc(sizeof(faux_flash_bank_t));
if (info == NULL)
{
LOG_ERROR("no memory for flash bank info");
return ERROR_FAIL;
}
info->memory = malloc(bank->size);
if (info == NULL)
{
free(info);
LOG_ERROR("no memory for flash bank info");
return ERROR_FAIL;
}
bank->driver_priv = info;
/* Use 0x10000 as a fixed sector size. */
int i = 0;
uint32_t offset = 0;
bank->num_sectors = bank->size/sectorSize;
bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
for (i = 0; i < bank->num_sectors; i++)
{
bank->sectors[i].offset = offset;
bank->sectors[i].size = sectorSize;
offset += bank->sectors[i].size;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 0;
}
info->target = get_target(args[5]);
if (info->target == NULL)
{
LOG_ERROR("target '%s' not defined", args[5]);
free(info->memory);
free(info);
return ERROR_FAIL;
}
return ERROR_OK;
}
static int faux_register_commands(struct command_context_s *cmd_ctx)
{
return ERROR_OK;
}
static int faux_erase(struct flash_bank_s *bank, int first, int last)
{
faux_flash_bank_t *info = bank->driver_priv;
memset(info->memory + first*sectorSize, 0xff, sectorSize*(last-first + 1));
return ERROR_OK;
}
static int faux_protect(struct flash_bank_s *bank, int set, int first, int last)
{
LOG_USER("set protection sector %d to %d to %s", first, last, set?"on":"off");
return ERROR_OK;
}
static int faux_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
faux_flash_bank_t *info = bank->driver_priv;
memcpy(info->memory + offset, buffer, count);
return ERROR_OK;
}
static int faux_protect_check(struct flash_bank_s *bank)
{
return ERROR_OK;
}
static int faux_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
snprintf(buf, buf_size, "faux flash driver");
return ERROR_OK;
}
static int faux_probe(struct flash_bank_s *bank)
{
return ERROR_OK;
}
......@@ -64,6 +64,7 @@ extern flash_driver_t ecosflash_flash;
extern flash_driver_t ocl_flash;
extern flash_driver_t pic32mx_flash;
extern flash_driver_t avr_flash;
extern flash_driver_t faux_flash;
flash_driver_t *flash_drivers[] = {
&lpc2000_flash,
......@@ -83,6 +84,7 @@ flash_driver_t *flash_drivers[] = {
&ocl_flash,
&pic32mx_flash,
&avr_flash,
&faux_flash,
NULL,
};
......
#Script for faux target - used for testing
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME at91eb40a
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x00000000
}
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
#target configuration
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
#dummy flash driver
flash bank faux 0x01000000 0x200000 2 2 0
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment