You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 ETC s.r.o.
|
|
*
|
|
* 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.
|
|
*
|
|
* Written by Marcel Telka <marcel@telka.sk>, 2002.
|
|
*
|
|
* Documentation:
|
|
* [1] JEDEC Solid State Technology Association, "Common Flash Interface (CFI)",
|
|
* September 1999, Order Number: JESD68
|
|
* [2] JEDEC Solid State Technology Association, "Common Flash Interface (CFI) ID Codes",
|
|
* September 2001, Order Number: JEP137-A
|
|
*
|
|
*/
|
|
|
|
#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
|
|
readmem( bus_t *bus, FILE *f, uint32_t addr, uint32_t len )
|
|
{
|
|
uint32_t step;
|
|
uint32_t a;
|
|
int bc = 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( _("reading:\n") );
|
|
bus_read_start( bus, addr );
|
|
for (a += step; a <= end; a += step) {
|
|
uint32_t data;
|
|
int j;
|
|
|
|
if (a < addr + len)
|
|
data = bus_read_next( bus, a );
|
|
else
|
|
data = bus_read_end( bus );
|
|
|
|
for (j = step; j > 0; j--)
|
|
if (big_endian)
|
|
b[bc++] = (data >> ((j - 1) * 8)) & 0xFF;
|
|
else {
|
|
b[bc++] = data & 0xFF;
|
|
data >>= 8;
|
|
}
|
|
|
|
if ((bc >= BSIZE) || (a >= end) ) {
|
|
printf( _("addr: 0x%08X"), a );
|
|
printf( "\r" );
|
|
fflush( stdout );
|
|
fwrite( b, bc, 1, f );
|
|
bc = 0;
|
|
}
|
|
}
|
|
|
|
printf( _("\nDone.\n") );
|
|
}
|