/* * $Id$ * * 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 , 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 #include #include #include #include #include #include #include #include void detectflash( bus_t *bus ) { cfi_array_t *cfi_array = NULL; cfi_query_structure_t *cfi; const char *s; if (!bus) { printf( _("Error: Missing bus driver!\n") ); return; } bus_prepare( bus ); if (cfi_detect( bus, 0, &cfi_array )) { cfi_array_free( cfi_array ); printf( _("Flash not found!\n") ); return; } cfi = &cfi_array->cfi_chips[0]->cfi; /* detect CFI capable devices */ /* TODO: Low chip only */ /* see 4.3.2 in [1] */ printf( _("Query identification string:\n") ); /* see section 2 in [2] */ switch (cfi->identification_string.pri_id_code) { case CFI_VENDOR_NULL: s = N_("null"); break; case CFI_VENDOR_INTEL_ECS: s = N_("Intel/Sharp Extended Command Set"); break; case CFI_VENDOR_AMD_SCS: s = N_("AMD/Fujitsu Standard Commanf Set"); break; case CFI_VENDOR_INTEL_SCS: s = N_("Intel Standard Command Set"); break; case CFI_VENDOR_AMD_ECS: s = N_("AMD/Fujitsu Extended Command Set"); break; case CFI_VENDOR_MITSUBISHI_SCS: s = N_("Mitsubishi Standard Command Set"); break; case CFI_VENDOR_MITSUBISHI_ECS: s = N_("Mitsubishi Extended Command Set"); break; case CFI_VENDOR_SST_PWCS: s = N_("Page Write Command Set"); break; default: s = N_("unknown!!!"); break; } printf( _("\tPrimary Algorithm Command Set and Control Interface ID Code: 0x%04X (%s)\n"), cfi->identification_string.pri_id_code, _(s) ); switch (cfi->identification_string.alt_id_code) { case CFI_VENDOR_NULL: s = N_("null"); break; case CFI_VENDOR_INTEL_ECS: s = N_("Intel/Sharp Extended Command Set"); break; case CFI_VENDOR_AMD_SCS: s = N_("AMD/Fujitsu Standard Commanf Set"); break; case CFI_VENDOR_INTEL_SCS: s = N_("Intel Standard Command Set"); break; case CFI_VENDOR_AMD_ECS: s = N_("AMD/Fujitsu Extended Command Set"); break; case CFI_VENDOR_MITSUBISHI_SCS: s = N_("Mitsubishi Standard Command Set"); break; case CFI_VENDOR_MITSUBISHI_ECS: s = N_("Mitsubishi Extended Command Set"); break; case CFI_VENDOR_SST_PWCS: s = N_("Page Write Command Set"); break; default: s = N_("unknown!!!"); break; } printf( _("\tAlternate Algorithm Command Set and Control Interface ID Code: 0x%04X (%s)\n"), cfi->identification_string.alt_id_code, _(s) ); /* see 4.3.3 in [1] */ printf( _("Query system interface information:\n") ); printf( _("\tVcc Logic Supply Minimum Write/Erase or Write voltage: %d mV\n"), cfi->system_interface_info.vcc_min_wev ); printf( _("\tVcc Logic Supply Maximum Write/Erase or Write voltage: %d mV\n"), cfi->system_interface_info.vcc_max_wev ); printf( _("\tVpp [Programming] Supply Minimum Write/Erase voltage: %d mV\n"), cfi->system_interface_info.vpp_min_wev ); printf( _("\tVpp [Programming] Supply Maximum Write/Erase voltage: %d mV\n"), cfi->system_interface_info.vpp_max_wev ); printf( _("\tTypical timeout per single byte/word program: %d us\n"), cfi->system_interface_info.typ_single_write_timeout ); printf( _("\tTypical timeout for maximum-size multi-byte program: %d us\n"), cfi->system_interface_info.typ_buffer_write_timeout ); printf( _("\tTypical timeout per individual block erase: %d ms\n"), cfi->system_interface_info.typ_block_erase_timeout ); printf( _("\tTypical timeout for full chip erase: %d ms\n"), cfi->system_interface_info.typ_chip_erase_timeout ); printf( _("\tMaximum timeout for byte/word program: %d us\n"), cfi->system_interface_info.max_single_write_timeout ); printf( _("\tMaximum timeout for multi-byte program: %d us\n"), cfi->system_interface_info.max_buffer_write_timeout ); printf( _("\tMaximum timeout per individual block erase: %d ms\n"), cfi->system_interface_info.max_block_erase_timeout ); printf( _("\tMaximum timeout for chip erase: %d ms\n"), cfi->system_interface_info.max_chip_erase_timeout ); /* see 4.3.4 in [1] */ printf( _("Device geometry definition:\n") ); printf( _("\tDevice Size: %d B (%d KiB, %d MiB)\n"), cfi->device_geometry.device_size, cfi->device_geometry.device_size / 1024, cfi->device_geometry.device_size / (1024 * 1024) ); /* see section 4 in [2] */ switch (cfi->device_geometry.device_interface) { case CFI_INTERFACE_X8: s = N_("x8"); break; case CFI_INTERFACE_X16: s = N_("x16"); break; case CFI_INTERFACE_X8_X16: s = N_("x8/x16"); break; case CFI_INTERFACE_X32: s = N_("x32"); break; case CFI_INTERFACE_X16_X32: s = N_("x16/x32"); break; default: s = N_("unknown!!!"); break; } printf( _("\tFlash Device Interface Code description: 0x%04X (%s)\n"), cfi->device_geometry.device_interface, _(s) ); printf( _("\tMaximum number of bytes in multi-byte program: %d\n"), cfi->device_geometry.max_bytes_write ); printf( _("\tNumber of Erase Block Regions within device: %d\n"), cfi->device_geometry.number_of_erase_regions ); printf( _("\tErase Block Region Information:\n") ); { int i; for (i = 0; i < cfi->device_geometry.number_of_erase_regions; i++) { printf( _("\t\tRegion %d:\n"), i ); printf( _("\t\t\tErase Block Size: %d B (%d KiB)\n"), cfi->device_geometry.erase_block_regions[i].erase_block_size, cfi->device_geometry.erase_block_regions[i].erase_block_size / 1024 ); printf( _("\t\t\tNumber of Erase Blocks: %d\n"), cfi->device_geometry.erase_block_regions[i].number_of_erase_blocks ); } } cfi_array_free( cfi_array ); }