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200 lines
6.8 KiB
C
200 lines
6.8 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 "sysdep.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 <brux/flash.h>
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#include <brux/cfi.h>
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#include <brux/bus.h>
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cfi_array_t *cfi_array = NULL;
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int jedec_detect( bus_t *bus, uint32_t adr, cfi_array_t **cfi_array );
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void
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detectflash( bus_t *bus, uint32_t adr )
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{
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cfi_query_structure_t *cfi;
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const 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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cfi_array_free( cfi_array );
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cfi_array = NULL;
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bus_prepare( bus );
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if (cfi_detect( bus, adr, &cfi_array )) {
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cfi_array_free( cfi_array );
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cfi_array = NULL;
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if (jedec_detect( bus, adr, &cfi_array ) != 0) {
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cfi_array_free( cfi_array );
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cfi_array = NULL;
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printf( _("Flash not found!\n") );
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return;
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}
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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 = N_("null");
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break;
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case CFI_VENDOR_INTEL_ECS:
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s = N_("Intel/Sharp Extended Command Set");
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break;
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case CFI_VENDOR_AMD_SCS:
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s = N_("AMD/Fujitsu Standard Command Set");
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break;
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case CFI_VENDOR_INTEL_SCS:
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s = N_("Intel Standard Command Set");
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break;
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case CFI_VENDOR_AMD_ECS:
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s = N_("AMD/Fujitsu Extended Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_SCS:
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s = N_("Mitsubishi Standard Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_ECS:
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s = N_("Mitsubishi Extended Command Set");
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break;
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case CFI_VENDOR_SST_PWCS:
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s = N_("Page Write Command Set");
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break;
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default:
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s = N_("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 = N_("null");
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break;
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case CFI_VENDOR_INTEL_ECS:
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s = N_("Intel/Sharp Extended Command Set");
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break;
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case CFI_VENDOR_AMD_SCS:
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s = N_("AMD/Fujitsu Standard Command Set");
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break;
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case CFI_VENDOR_INTEL_SCS:
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s = N_("Intel Standard Command Set");
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break;
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case CFI_VENDOR_AMD_ECS:
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s = N_("AMD/Fujitsu Extended Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_SCS:
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s = N_("Mitsubishi Standard Command Set");
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break;
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case CFI_VENDOR_MITSUBISHI_ECS:
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s = N_("Mitsubishi Extended Command Set");
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break;
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case CFI_VENDOR_SST_PWCS:
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s = N_("Page Write Command Set");
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break;
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default:
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s = N_("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 = N_("x8");
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break;
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case CFI_INTERFACE_X16:
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s = N_("x16");
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break;
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case CFI_INTERFACE_X8_X16:
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s = N_("x8/x16");
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break;
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case CFI_INTERFACE_X32:
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s = N_("x32");
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break;
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case CFI_INTERFACE_X16_X32:
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s = N_("x16/x32");
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break;
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default:
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s = N_("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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}
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