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255 lines
7.6 KiB
C
255 lines
7.6 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] JEDEC Solid State Technology Association, "Common Flash Interface (CFI)",
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* September 1999, Order Number: JESD68
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* [2] JEDEC Solid State Technology Association, "Common Flash Interface (CFI) ID Codes",
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* September 2001, Order Number: JEP137-A
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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 <string.h>
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#include <flash/cfi.h>
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#include <flash/intel.h>
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#include <std/mic.h>
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#include "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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void
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detectflash( bus_t *bus )
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{
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cfi_array_t *cfi_array = NULL;
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cfi_query_structure_t *cfi;
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char *s;
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if (!bus) {
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printf( _("Error: Missing bus driver!\n") );
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return;
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}
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bus_prepare( bus );
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if (detect_cfi( 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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cfi = &cfi_array->cfi_chips[0]->cfi;
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/* detect CFI capable devices */
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/* TODO: Low chip only */
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/* see 4.3.2 in [1] */
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printf( _("Query identification string:\n") );
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/* see section 2 in [2] */
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switch (cfi->identification_string.pri_id_code) {
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case CFI_VENDOR_NULL:
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s = _("null");
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break;
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case CFI_VENDOR_INTEL_ECS:
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s = _("Intel/Sharp Extended Command Set");
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break;
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case CFI_VENDOR_AMD_SCS:
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s = _("AMD/Fujitsu Standard Commanf Set");
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break;
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case CFI_VENDOR_INTEL_SCS:
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s = _("Intel Standard Command Set");
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break;
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case CFI_VENDOR_AMD_ECS:
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s = _("AMD/Fujitsu Extended Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_SCS:
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s = _("Mitsubishi Standard Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_ECS:
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s = _("Mitsubishi Extended Command Set");
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break;
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case CFI_VENDOR_SST_PWCS:
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s = _("Page Write Command Set");
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break;
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default:
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s = _("unknown!!!");
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break;
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}
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printf( _("\tPrimary Algorithm Command Set and Control Interface ID Code: 0x%04X (%s)\n"), cfi->identification_string.pri_id_code, s );
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switch (cfi->identification_string.alt_id_code) {
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case CFI_VENDOR_NULL:
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s = _("null");
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break;
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case CFI_VENDOR_INTEL_ECS:
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s = _("Intel/Sharp Extended Command Set");
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break;
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case CFI_VENDOR_AMD_SCS:
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s = _("AMD/Fujitsu Standard Commanf Set");
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break;
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case CFI_VENDOR_INTEL_SCS:
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s = _("Intel Standard Command Set");
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break;
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case CFI_VENDOR_AMD_ECS:
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s = _("AMD/Fujitsu Extended Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_SCS:
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s = _("Mitsubishi Standard Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_ECS:
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s = _("Mitsubishi Extended Command Set");
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break;
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case CFI_VENDOR_SST_PWCS:
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s = _("Page Write Command Set");
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break;
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default:
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s = _("unknown!!!");
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break;
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}
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printf( _("\tAlternate Algorithm Command Set and Control Interface ID Code: 0x%04X (%s)\n"), cfi->identification_string.alt_id_code, s );
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/* see 4.3.3 in [1] */
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printf( _("Query system interface information:\n") );
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printf( _("\tVcc Logic Supply Minimum Write/Erase or Write voltage: %d mV\n"), cfi->system_interface_info.vcc_min_wev );
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printf( _("\tVcc Logic Supply Maximum Write/Erase or Write voltage: %d mV\n"), cfi->system_interface_info.vcc_max_wev );
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printf( _("\tVpp [Programming] Supply Minimum Write/Erase voltage: %d mV\n"), cfi->system_interface_info.vpp_min_wev );
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printf( _("\tVpp [Programming] Supply Maximum Write/Erase voltage: %d mV\n"), cfi->system_interface_info.vpp_max_wev );
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printf( _("\tTypical timeout per single byte/word program: %d us\n"), cfi->system_interface_info.typ_single_write_timeout );
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printf( _("\tTypical timeout for maximum-size multi-byte program: %d us\n"), cfi->system_interface_info.typ_buffer_write_timeout );
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printf( _("\tTypical timeout per individual block erase: %d ms\n"), cfi->system_interface_info.typ_block_erase_timeout );
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printf( _("\tTypical timeout for full chip erase: %d ms\n"), cfi->system_interface_info.typ_chip_erase_timeout );
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printf( _("\tMaximum timeout for byte/word program: %d us\n"), cfi->system_interface_info.max_single_write_timeout );
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printf( _("\tMaximum timeout for multi-byte program: %d us\n"), cfi->system_interface_info.max_buffer_write_timeout );
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printf( _("\tMaximum timeout per individual block erase: %d ms\n"), cfi->system_interface_info.max_block_erase_timeout );
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printf( _("\tMaximum timeout for chip erase: %d ms\n"), cfi->system_interface_info.max_chip_erase_timeout );
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/* see 4.3.4 in [1] */
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printf( _("Device geometry definition:\n") );
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printf( _("\tDevice Size: %d B (%d KiB, %d MiB)\n"),
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cfi->device_geometry.device_size,
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cfi->device_geometry.device_size / 1024,
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cfi->device_geometry.device_size / (1024 * 1024) );
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/* see section 4 in [2] */
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switch (cfi->device_geometry.device_interface) {
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case CFI_INTERFACE_X8:
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s = _("x8");
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break;
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case CFI_INTERFACE_X16:
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s = _("x16");
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break;
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case CFI_INTERFACE_X8_X16:
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s = _("x8/x16");
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break;
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case CFI_INTERFACE_X32:
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s = _("x32");
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break;
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case CFI_INTERFACE_X16_X32:
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s = _("x16/x32");
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break;
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default:
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s = _("unknown!!!");
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break;
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}
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printf( _("\tFlash Device Interface Code description: 0x%04X (%s)\n"), cfi->device_geometry.device_interface, s );
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printf( _("\tMaximum number of bytes in multi-byte program: %d\n"), cfi->device_geometry.max_bytes_write );
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printf( _("\tNumber of Erase Block Regions within device: %d\n"), cfi->device_geometry.number_of_erase_regions );
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printf( _("\tErase Block Region Information:\n") );
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{
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int i;
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for (i = 0; i < cfi->device_geometry.number_of_erase_regions; i++) {
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printf( _("\t\tRegion %d:\n"), i );
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printf( _("\t\t\tErase Block Size: %d B (%d KiB)\n"),
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cfi->device_geometry.erase_block_regions[i].erase_block_size,
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cfi->device_geometry.erase_block_regions[i].erase_block_size / 1024 );
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printf( _("\t\t\tNumber of Erase Blocks: %d\n"), cfi->device_geometry.erase_block_regions[i].number_of_erase_blocks );
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}
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}
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cfi_array_free( cfi_array );
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}
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void
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readmem( bus_t *bus, FILE *f, uint32_t addr, uint32_t len )
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{
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int step = 0;
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uint32_t a;
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int bc = 0;
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#define BSIZE 4096
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uint8_t b[BSIZE];
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if (!bus) {
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printf( "Error: Missing bus driver!\n" );
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return;
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}
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bus_prepare( bus );
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step = bus_width( bus, 0 ) / 8;
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if (step == 0) {
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printf( "Unknown bus width!\n" );
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return;
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}
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addr = addr & (~(step - 1));
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len = (len + step - 1) & (~(step - 1));
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printf( "address: 0x%08X\n", addr );
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printf( "length: 0x%08X\n", len );
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if (len == 0) {
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printf( "length is 0.\n" );
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return;
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}
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printf( "reading:\n" );
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bus_read_start( bus, addr );
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for (a = addr + step; a <= addr + len; a += step) {
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uint32_t data;
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int j;
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if (a < addr + len)
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data = bus_read_next( bus, a );
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else
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data = bus_read_end( bus );
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for (j = step; j > 0; j--)
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if (big_endian)
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b[bc++] = (data >> ((j - 1) * 8)) & 0xFF;
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else {
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b[bc++] = data & 0xFF;
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data >>= 8;
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}
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if ((bc >= BSIZE) || (a >= (addr + len)) ) {
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printf( "addr: 0x%08X\r", a );
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fwrite( b, bc, 1, f );
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bc = 0;
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}
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}
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printf( "\nDone.\n" );
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}
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