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[ 1249554 ] Writemem command to write to SRAM

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git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@712 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
master
Kolja Waschk 17 years ago
parent c791aad445
commit a7a87bc635
6 changed files with 210 additions and 0 deletions
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1
jtag/include/jtag.h
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@ -45,6 +45,7 @@ int detect_register_size( chain_t *chain );
void discovery( chain_t *chain );
void readmem( bus_t *bus, FILE *f, uint32_t addr, uint32_t len );
void writemem( bus_t *bus, FILE *f, uint32_t addr, uint32_t len );
void flasherase( bus_t *bus, uint32_t addr, int number );

1
jtag/src/Makefile.am
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@ -40,6 +40,7 @@ jtag_SOURCES = \
detect.c \
discovery.c \
readmem.c \
writemem.c \
flash.c
bsdl2jtag_SOURCES = \

1
jtag/src/cmd/Makefile.am
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@ -47,6 +47,7 @@ libcmd_a_SOURCES = \
endian.c \
peekpoke.c \
readmem.c \
writemem.c \
flashmem.c \
eraseflash.c \
script.c \

2
jtag/src/cmd/cmd.c
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@ -55,6 +55,7 @@ extern cmd_t cmd_endian;
extern cmd_t cmd_peek;
extern cmd_t cmd_poke;
extern cmd_t cmd_readmem;
extern cmd_t cmd_writemem;
extern cmd_t cmd_detectflash;
extern cmd_t cmd_flashmem;
extern cmd_t cmd_eraseflash;
@ -87,6 +88,7 @@ const cmd_t *cmds[] = {
&cmd_peek,
&cmd_poke,
&cmd_readmem,
&cmd_writemem,
&cmd_detectflash,
&cmd_flashmem,
&cmd_eraseflash,

82
jtag/src/cmd/writemem.c
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@ -0,0 +1,82 @@
/*
* $Id$
*
* Written by Kent Palmkvist <kentp@isy.liu.se>, 2005
*
* 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.
*
*/
#include "sysdep.h"
#include <stdio.h>
#include <stdint.h>
#include "jtag.h"
#include "cmd.h"
static int
cmd_writemem_run( char *params[] )
{
uint32_t adr;
uint32_t len;
FILE *f;
if (cmd_params( params ) != 4)
return -1;
if (!bus) {
printf( _("Error: Bus driver missing.\n") );
return 1;
}
if (cmd_get_number( params[1], &adr) || cmd_get_number( params[2], &len))
return -1;
f = fopen( params[3], "r" );
if (!f) {
printf( _("Unable to open file `%s'!\n"), params[3] );
return 1;
}
writemem( bus, f, adr, len );
fclose( f );
return 1;
}
static void
cmd_writemem_help( void )
{
printf( _(
"Usage: %s ADDR LEN FILENAME\n"
"Write to device memory starting at ADDR the FILENAME file.\n"
"\n"
"ADDR start address of the written memory area\n"
"LEN written memory length\n"
"FILENAME name of the input file\n"
"\n"
"ADDR and LEN could be in decimal or hexadecimal (prefixed with 0x) form.\n"
"NOTE: This is NOT useful for FLASH programming!\n"
), "writemem" );
}
cmd_t cmd_writemem = {
"writemem",
N_("write content of file to the memory"),
cmd_writemem_help,
cmd_writemem_run
};

123
jtag/src/writemem.c
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@ -0,0 +1,123 @@
/*
* $Id$
*
* Written by Kent Palmkvist (kentp@isy.liu.se>, 2005.
*
* 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.
*
*
*/
#include "sysdep.h"
#include <stdint.h>
#include <string.h>
#include <flash/cfi.h>
#include <flash/intel.h>
#include <std/mic.h>
#include "bus.h"
#include "flash.h"
#include "jtag.h"
void
writemem( bus_t *bus, FILE *f, uint32_t addr, uint32_t len )
{
uint32_t step;
uint64_t a;
int bc = 0;
int bidx = 0;
#define BSIZE 4096
uint8_t b[BSIZE];
bus_area_t area;
uint64_t end;
if (!bus) {
printf( _("Error: Missing bus driver!\n") );
return;
}
bus_prepare( bus );
if (bus_area( bus, addr, &area ) != 0) {
printf( _("Error: Bus width detection failed\n") );
return;
}
step = area.width / 8;
if (step == 0) {
printf( _("Unknown bus width!\n") );
return;
}
addr = addr & (~(step - 1));
len = (len + step - 1) & (~(step - 1));
printf( _("address: 0x%08X\n"), addr );
printf( _("length: 0x%08X\n"), len );
if (len == 0) {
printf( _("length is 0.\n") );
return;
}
a = addr;
end = a + len;
printf( _("writing:\n") );
for (; a < end; a += step) {
uint32_t data;
int j;
/* Read one block of data */
if ( bc < step ) {
printf( _("addr: 0x%08X"), a );
printf( "\r" );
fflush( stdout );
if (bc != 0)
printf( _("Data not on word boundary, NOT SUPPORTED!"), bc);
if feof(f) {
printf( _("Unexpected end of file!\n"));
printf( _("Addr: 0x%08X\n"), a);
break;
}
bc = fread( b, 1, BSIZE, f );
if (!bc) {
printf( _("Short read: bc=0x%X\n"), bc);
}
bidx = 0;
}
/* Write a word at time */
data = 0;
for (j = step; j > 0; j--) {
if (big_endian) {
data |= b[bidx++];
data <<= 8;
bc--;
} else {
data |= (b[bidx++] << ((step - j) * 8));
bc--;
}
}
bus_write( bus, a, data );
}
printf( _("\nDone.\n") );
}
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