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377 lines
9.0 KiB
C
377 lines
9.0 KiB
C
/*
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* $Id$
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*
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* Copyright (C) 2002 ETC s.r.o.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by Marcel Telka <marcel@telka.sk>, 2002.
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*
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* Documentation:
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* [1] Advanced Micro Devices, "Common Flash Memory Interface Specification Release 2.0",
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* December 1, 2001
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* [2] Intel Corporation, "Intel PXA250 and PXA210 Application Processors
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* Developer's Manual", February 2002, Order Number: 278522-001
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* [3] Intel Corporation, "Common Flash Interface (CFI) and Command Sets
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* Application Note 646", April 2000, Order Number: 292204-004
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* [4] Advanced Micro Devices, "Common Flash Memory Interface Publication 100 Vendor & Device
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* ID Code Assignments", December 1, 2001, Volume Number: 96.1
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*
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*/
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#include <config.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <flash/cfi.h>
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#include <flash/intel.h>
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#include <brux/cfi.h>
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#include "bus.h"
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#include "flash.h"
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#include "jtag.h"
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extern flash_driver_t amd_32_flash_driver;
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extern flash_driver_t amd_8_flash_driver;
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extern flash_driver_t intel_32_flash_driver;
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extern flash_driver_t intel_16_flash_driver;
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extern flash_driver_t intel_8_flash_driver;
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flash_driver_t *flash_drivers[] = {
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&amd_32_flash_driver,
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&amd_8_flash_driver,
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&intel_32_flash_driver,
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&intel_16_flash_driver,
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&intel_8_flash_driver,
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NULL
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};
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flash_driver_t *flash_driver = NULL;
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static void
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set_flash_driver( cfi_array_t *cfi_array )
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{
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int i;
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cfi_query_structure_t *cfi = &cfi_array->cfi_chips[0]->cfi;
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flash_driver = NULL;
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for (i = 0; flash_drivers[i] != NULL; i++)
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if (flash_drivers[i]->autodetect( cfi_array )) {
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flash_driver = flash_drivers[i];
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return;
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}
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printf( _("unknown flash - vendor id: %d (0x%04x)\n"),
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cfi->identification_string.pri_id_code,
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cfi->identification_string.pri_id_code );
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}
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/* check for flashmem - set driver */
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static void
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flashcheck( bus_t *bus, cfi_array_t **cfi_array )
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{
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flash_driver = NULL;
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bus_prepare( bus );
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printf( _("Note: Supported configuration is 2 x 16 bit or 1 x 16 bit only\n") );
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*cfi_array = NULL;
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if (cfi_detect( bus, 0, cfi_array )) {
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cfi_array_free( *cfi_array );
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printf( _("Flash not found!\n") );
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return;
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}
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set_flash_driver( *cfi_array );
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if (!flash_driver) {
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printf( _("Flash not supported!\n") );
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return;
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}
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flash_driver->print_info( *cfi_array );
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}
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void
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flashmsbin( bus_t *bus, FILE *f )
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{
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uint32_t adr;
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cfi_query_structure_t *cfi;
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cfi_array_t *cfi_array;
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flashcheck( bus, &cfi_array );
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if (!cfi_array || !flash_driver) {
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printf( _("no flash driver found\n") );
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return;
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}
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cfi = &cfi_array->cfi_chips[0]->cfi;
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/* test sync bytes */
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{
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char sync[8];
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fread( &sync, sizeof (char), 7, f );
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sync[7] = '\0';
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if (strcmp( "B000FF\n", sync ) != 0) {
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printf( _("Invalid sync sequence!\n") );
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return;
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}
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}
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/* erase memory blocks */
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{
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uint32_t start;
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uint32_t len;
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int first, last;
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fread( &start, sizeof start, 1, f );
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fread( &len, sizeof len, 1, f );
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first = start / (cfi->device_geometry.erase_block_regions[0].erase_block_size * 2);
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last = (start + len - 1) / (cfi->device_geometry.erase_block_regions[0].erase_block_size * 2);
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for (; first <= last; first++) {
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adr = first * cfi->device_geometry.erase_block_regions[0].erase_block_size * 2;
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flash_driver->unlock_block( cfi_array, adr );
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printf( _("block %d unlocked\n"), first );
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printf( _("erasing block %d: %d\n"), first, flash_driver->erase_block( cfi_array, adr ) );
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}
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}
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printf( _("program:\n") );
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for (;;) {
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uint32_t a, l, c;
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fread( &a, sizeof a, 1, f );
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fread( &l, sizeof l, 1, f );
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fread( &c, sizeof c, 1, f );
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if (feof( f )) {
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printf( _("Error: premature end of file\n") );
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return;
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}
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printf( _("record: start = 0x%08X, len = 0x%08X, checksum = 0x%08X\n"), a, l, c );
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if ((a == 0) && (c == 0))
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break;
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if (l & 3) {
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printf( _("Error: Invalid record length!\n") );
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return;
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}
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while (l) {
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uint32_t data;
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printf( _("addr: 0x%08X"), a );
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printf( "\r" );
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fflush(stdout);
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fread( &data, sizeof data, 1, f );
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if (flash_driver->program( cfi_array, a, data )) {
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printf( _("\nflash error\n") );
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return;
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}
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a += 4;
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l -= 4;
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}
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}
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printf( "\n" );
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flash_driver->readarray( cfi_array );
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fseek( f, 15, SEEK_SET );
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printf( _("verify:\n") );
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for (;;) {
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uint32_t a, l, c;
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fread( &a, sizeof a, 1, f );
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fread( &l, sizeof l, 1, f );
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fread( &c, sizeof c, 1, f );
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if (feof( f )) {
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printf( _("Error: premature end of file\n") );
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return;
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}
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printf( _("record: start = 0x%08X, len = 0x%08X, checksum = 0x%08X\n"), a, l, c );
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if ((a == 0) && (c == 0))
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break;
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if (l & 3) {
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printf( _("Error: Invalid record length!\n") );
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return;
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}
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while (l) {
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uint32_t data, readed;
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printf( _("addr: 0x%08X"), a );
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printf( "\r" );
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fflush( stdout );
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fread( &data, sizeof data, 1, f );
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readed = bus_read( bus, a );
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if (data != readed) {
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printf( _("\nverify error: 0x%08X vs. 0x%08X at addr %08X\n"),
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readed, data, a );
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return;
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}
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a += 4;
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l -= 4;
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}
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}
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printf( _("\nDone.\n") );
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cfi_array_free( cfi_array );
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}
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void
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flashmem( bus_t *bus, FILE *f, uint32_t addr )
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{
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uint32_t adr;
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cfi_query_structure_t *cfi;
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cfi_array_t *cfi_array;
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int *erased;
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int i;
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flashcheck( bus, &cfi_array );
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if (!cfi_array || !flash_driver) {
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printf( _("no flash driver found\n") );
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return;
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}
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cfi = &cfi_array->cfi_chips[0]->cfi;
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erased = malloc( cfi->device_geometry.erase_block_regions[0].number_of_erase_blocks * sizeof *erased );
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if (!erased) {
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printf( _("Out of memory!\n") );
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return;
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}
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for (i = 0; i < cfi->device_geometry.erase_block_regions[0].number_of_erase_blocks; i++)
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erased[i] = 0;
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printf( _("program:\n") );
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adr = addr;
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while (!feof( f )) {
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uint32_t data;
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#define BSIZE 4096
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uint8_t b[BSIZE];
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int bc = 0, bn = 0;
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int block_no = adr / (cfi->device_geometry.erase_block_regions[0].erase_block_size * flash_driver->bus_width / 2);
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if (!erased[block_no]) {
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flash_driver->unlock_block( cfi_array, adr );
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printf( _("\nblock %d unlocked\n"), block_no );
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printf( _("erasing block %d: %d\n"), block_no, flash_driver->erase_block( cfi_array, adr ) );
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erased[block_no] = 1;
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}
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bn = fread( b, 1, BSIZE, f );
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for (bc = 0; bc < bn; bc += flash_driver->bus_width) {
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int j;
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printf( _("addr: 0x%08X"), adr );
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printf( "\r" );
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fflush( stdout );
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data = 0;
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for (j = 0; j < flash_driver->bus_width; j++)
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if (big_endian)
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data = (data << 8) | b[bc + j];
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else
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data |= b[bc + j] << (j * 8);
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if (flash_driver->program( cfi_array, adr, data )) {
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printf( _("\nflash error\n") );
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return;
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}
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adr += flash_driver->bus_width;
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}
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}
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printf( "\n" );
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flash_driver->readarray( cfi_array );
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fseek( f, 0, SEEK_SET );
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printf( _("verify:\n") );
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fflush( stdout );
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adr = addr;
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while (!feof( f )) {
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uint8_t buf[16];
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uint32_t data;
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uint32_t readed;
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int j;
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if (fread( buf, flash_driver->bus_width, 1, f ) != 1) {
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if (feof(f))
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break;
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printf( _("Error during file read.\n") );
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return;
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}
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data = 0;
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for (j = 0; j < flash_driver->bus_width; j++)
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if (big_endian)
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data = (data << 8) | buf[j];
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else
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data |= buf[j] << (j * 8);
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printf( _("addr: 0x%08X"), adr );
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printf( "\r" );
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fflush( stdout );
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readed = bus_read( bus, adr );
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if (data != readed) {
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printf( _("\nverify error:\nreaded: 0x%08X\nexpected: 0x%08X\n"), readed, data );
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return;
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}
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adr += flash_driver->bus_width;
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}
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printf( _("\nDone.\n") );
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free( erased );
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cfi_array_free( cfi_array );
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}
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void
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flasherase( bus_t *bus, uint32_t addr, int number )
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{
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cfi_query_structure_t *cfi;
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cfi_array_t *cfi_array;
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int i;
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printf( _("addr: 0x%08X\n"), addr);
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flashcheck( bus, &cfi_array );
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if (!cfi_array || !flash_driver) {
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printf( _("no flash driver found\n") );
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return;
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}
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cfi = &cfi_array->cfi_chips[0]->cfi;
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printf( _("program:\n") );
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for (i = 1; i <= number; i++) {
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int addr_block = (cfi->device_geometry.erase_block_regions[0].erase_block_size * flash_driver->bus_width / 2);
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int block_no = addr / addr_block;
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printf( _("addr: 0x%08X\n"), addr);
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fflush(stdout);
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flash_driver->unlock_block( cfi_array, addr );
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printf( _("block %d unlocked\n"), block_no );
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printf( _("erasing block %d: %d\n"), block_no, flash_driver->erase_block( cfi_array, addr ) );
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addr |= (addr_block - 1);
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addr += 1;
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}
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printf( _("\nDone.\n") );
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cfi_array_free( cfi_array );
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/* BYPASS */
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// parts_set_instruction( ps, "BYPASS" );
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// chain_shift_instructions( chain );
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}
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