diff options
author | Zachary T Welch <zw@superlucidity.net> | 2009-12-02 15:54:15 -0800 |
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committer | Zachary T Welch <zw@superlucidity.net> | 2009-12-02 23:27:09 -0800 |
commit | fe9228a32db930be297d4d3b35ffb94d6de1b9ab (patch) | |
tree | e71036506392e40715c992fc54346ebb8c179416 /src/flash/cfi.c | |
parent | e1ec02bb055fa356b058dddc0a15710e0fdc9870 (diff) | |
download | riscv-openocd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.zip riscv-openocd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.tar.gz riscv-openocd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.tar.bz2 |
move nor drivers to src/flash/nor
Moves NOR flash drivers to 'src/flash/nor/'.
Adds 'src/flash/nor/Makefile.am'.
Builds 'libocdflashnor.la'.
Diffstat (limited to 'src/flash/cfi.c')
-rw-r--r-- | src/flash/cfi.c | 2630 |
1 files changed, 0 insertions, 2630 deletions
diff --git a/src/flash/cfi.c b/src/flash/cfi.c deleted file mode 100644 index 6dbffb9..0000000 --- a/src/flash/cfi.c +++ /dev/null @@ -1,2630 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2005, 2007 by Dominic Rath * - * Dominic.Rath@gmx.de * - * Copyright (C) 2009 Michael Schwingen * - * michael@schwingen.org * - * * - * 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. * - ***************************************************************************/ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "cfi.h" -#include "non_cfi.h" -#include "armv4_5.h" -#include "binarybuffer.h" -#include "algorithm.h" - - -#define CFI_MAX_BUS_WIDTH 4 -#define CFI_MAX_CHIP_WIDTH 4 - -/* defines internal maximum size for code fragment in cfi_intel_write_block() */ -#define CFI_MAX_INTEL_CODESIZE 256 - -static struct cfi_unlock_addresses cfi_unlock_addresses[] = -{ - [CFI_UNLOCK_555_2AA] = { .unlock1 = 0x555, .unlock2 = 0x2aa }, - [CFI_UNLOCK_5555_2AAA] = { .unlock1 = 0x5555, .unlock2 = 0x2aaa }, -}; - -/* CFI fixups foward declarations */ -static void cfi_fixup_0002_erase_regions(struct flash_bank *flash, void *param); -static void cfi_fixup_0002_unlock_addresses(struct flash_bank *flash, void *param); -static void cfi_fixup_atmel_reversed_erase_regions(struct flash_bank *flash, void *param); - -/* fixup after reading cmdset 0002 primary query table */ -static const struct cfi_fixup cfi_0002_fixups[] = { - {CFI_MFR_SST, 0x00D4, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]}, - {CFI_MFR_SST, 0x00D5, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]}, - {CFI_MFR_SST, 0x00D6, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]}, - {CFI_MFR_SST, 0x00D7, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]}, - {CFI_MFR_SST, 0x2780, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]}, - {CFI_MFR_ATMEL, 0x00C8, cfi_fixup_atmel_reversed_erase_regions, NULL}, - {CFI_MFR_FUJITSU, 0x226b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]}, - {CFI_MFR_AMIC, 0xb31a, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]}, - {CFI_MFR_MX, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]}, - {CFI_MFR_AMD, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]}, - {CFI_MFR_ANY, CFI_ID_ANY, cfi_fixup_0002_erase_regions, NULL}, - {0, 0, NULL, NULL} -}; - -/* fixup after reading cmdset 0001 primary query table */ -static const struct cfi_fixup cfi_0001_fixups[] = { - {0, 0, NULL, NULL} -}; - -static void cfi_fixup(struct flash_bank *bank, const struct cfi_fixup *fixups) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - const struct cfi_fixup *f; - - for (f = fixups; f->fixup; f++) - { - if (((f->mfr == CFI_MFR_ANY) || (f->mfr == cfi_info->manufacturer)) && - ((f->id == CFI_ID_ANY) || (f->id == cfi_info->device_id))) - { - f->fixup(bank, f->param); - } - } -} - -/* inline uint32_t flash_address(struct flash_bank *bank, int sector, uint32_t offset) */ -static __inline__ uint32_t flash_address(struct flash_bank *bank, int sector, uint32_t offset) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - if (cfi_info->x16_as_x8) offset *= 2; - - /* while the sector list isn't built, only accesses to sector 0 work */ - if (sector == 0) - return bank->base + offset * bank->bus_width; - else - { - if (!bank->sectors) - { - LOG_ERROR("BUG: sector list not yet built"); - exit(-1); - } - return bank->base + bank->sectors[sector].offset + offset * bank->bus_width; - } - -} - -static void cfi_command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf) -{ - int i; - - /* clear whole buffer, to ensure bits that exceed the bus_width - * are set to zero - */ - for (i = 0; i < CFI_MAX_BUS_WIDTH; i++) - cmd_buf[i] = 0; - - if (bank->target->endianness == TARGET_LITTLE_ENDIAN) - { - for (i = bank->bus_width; i > 0; i--) - { - *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd; - } - } - else - { - for (i = 1; i <= bank->bus_width; i++) - { - *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd; - } - } -} - -/* read unsigned 8-bit value from the bank - * flash banks are expected to be made of similar chips - * the query result should be the same for all - */ -static uint8_t cfi_query_u8(struct flash_bank *bank, int sector, uint32_t offset) -{ - struct target *target = bank->target; - uint8_t data[CFI_MAX_BUS_WIDTH]; - - target_read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 1, data); - - if (bank->target->endianness == TARGET_LITTLE_ENDIAN) - return data[0]; - else - return data[bank->bus_width - 1]; -} - -/* read unsigned 8-bit value from the bank - * in case of a bank made of multiple chips, - * the individual values are ORed - */ -static uint8_t cfi_get_u8(struct flash_bank *bank, int sector, uint32_t offset) -{ - struct target *target = bank->target; - uint8_t data[CFI_MAX_BUS_WIDTH]; - int i; - - target_read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 1, data); - - if (bank->target->endianness == TARGET_LITTLE_ENDIAN) - { - for (i = 0; i < bank->bus_width / bank->chip_width; i++) - data[0] |= data[i]; - - return data[0]; - } - else - { - uint8_t value = 0; - for (i = 0; i < bank->bus_width / bank->chip_width; i++) - value |= data[bank->bus_width - 1 - i]; - - return value; - } -} - -static uint16_t cfi_query_u16(struct flash_bank *bank, int sector, uint32_t offset) -{ - struct target *target = bank->target; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - uint8_t data[CFI_MAX_BUS_WIDTH * 2]; - - if (cfi_info->x16_as_x8) - { - uint8_t i; - for (i = 0;i < 2;i++) - target_read_memory(target, flash_address(bank, sector, offset + i), bank->bus_width, 1, - &data[i*bank->bus_width]); - } - else - target_read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 2, data); - - if (bank->target->endianness == TARGET_LITTLE_ENDIAN) - return data[0] | data[bank->bus_width] << 8; - else - return data[bank->bus_width - 1] | data[(2 * bank->bus_width) - 1] << 8; -} - -static uint32_t cfi_query_u32(struct flash_bank *bank, int sector, uint32_t offset) -{ - struct target *target = bank->target; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - uint8_t data[CFI_MAX_BUS_WIDTH * 4]; - - if (cfi_info->x16_as_x8) - { - uint8_t i; - for (i = 0;i < 4;i++) - target_read_memory(target, flash_address(bank, sector, offset + i), bank->bus_width, 1, - &data[i*bank->bus_width]); - } - else - target_read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 4, data); - - if (bank->target->endianness == TARGET_LITTLE_ENDIAN) - return data[0] | data[bank->bus_width] << 8 | data[bank->bus_width * 2] << 16 | data[bank->bus_width * 3] << 24; - else - return data[bank->bus_width - 1] | data[(2* bank->bus_width) - 1] << 8 | - data[(3 * bank->bus_width) - 1] << 16 | data[(4 * bank->bus_width) - 1] << 24; -} - -static void cfi_intel_clear_status_register(struct flash_bank *bank) -{ - struct target *target = bank->target; - uint8_t command[8]; - - if (target->state != TARGET_HALTED) - { - LOG_ERROR("BUG: attempted to clear status register while target wasn't halted"); - exit(-1); - } - - cfi_command(bank, 0x50, command); - target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); -} - -uint8_t cfi_intel_wait_status_busy(struct flash_bank *bank, int timeout) -{ - uint8_t status; - - while ((!((status = cfi_get_u8(bank, 0, 0x0)) & 0x80)) && (timeout-- > 0)) - { - LOG_DEBUG("status: 0x%x", status); - alive_sleep(1); - } - - /* mask out bit 0 (reserved) */ - status = status & 0xfe; - - LOG_DEBUG("status: 0x%x", status); - - if ((status & 0x80) != 0x80) - { - LOG_ERROR("timeout while waiting for WSM to become ready"); - } - else if (status != 0x80) - { - LOG_ERROR("status register: 0x%x", status); - if (status & 0x2) - LOG_ERROR("Block Lock-Bit Detected, Operation Abort"); - if (status & 0x4) - LOG_ERROR("Program suspended"); - if (status & 0x8) - LOG_ERROR("Low Programming Voltage Detected, Operation Aborted"); - if (status & 0x10) - LOG_ERROR("Program Error / Error in Setting Lock-Bit"); - if (status & 0x20) - LOG_ERROR("Error in Block Erasure or Clear Lock-Bits"); - if (status & 0x40) - LOG_ERROR("Block Erase Suspended"); - - cfi_intel_clear_status_register(bank); - } - - return status; -} - -int cfi_spansion_wait_status_busy(struct flash_bank *bank, int timeout) -{ - uint8_t status, oldstatus; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - oldstatus = cfi_get_u8(bank, 0, 0x0); - - do { - status = cfi_get_u8(bank, 0, 0x0); - if ((status ^ oldstatus) & 0x40) { - if (status & cfi_info->status_poll_mask & 0x20) { - oldstatus = cfi_get_u8(bank, 0, 0x0); - status = cfi_get_u8(bank, 0, 0x0); - if ((status ^ oldstatus) & 0x40) { - LOG_ERROR("dq5 timeout, status: 0x%x", status); - return(ERROR_FLASH_OPERATION_FAILED); - } else { - LOG_DEBUG("status: 0x%x", status); - return(ERROR_OK); - } - } - } else { /* no toggle: finished, OK */ - LOG_DEBUG("status: 0x%x", status); - return(ERROR_OK); - } - - oldstatus = status; - alive_sleep(1); - } while (timeout-- > 0); - - LOG_ERROR("timeout, status: 0x%x", status); - - return(ERROR_FLASH_BUSY); -} - -static int cfi_read_intel_pri_ext(struct flash_bank *bank) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_intel_pri_ext *pri_ext = malloc(sizeof(struct cfi_intel_pri_ext)); - struct target *target = bank->target; - uint8_t command[8]; - - cfi_info->pri_ext = pri_ext; - - pri_ext->pri[0] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0); - pri_ext->pri[1] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 1); - pri_ext->pri[2] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 2); - - if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - LOG_ERROR("Could not read bank flash bank information"); - return ERROR_FLASH_BANK_INVALID; - } - - pri_ext->major_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 3); - pri_ext->minor_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 4); - - LOG_DEBUG("pri: '%c%c%c', version: %c.%c", pri_ext->pri[0], pri_ext->pri[1], pri_ext->pri[2], pri_ext->major_version, pri_ext->minor_version); - - pri_ext->feature_support = cfi_query_u32(bank, 0, cfi_info->pri_addr + 5); - pri_ext->suspend_cmd_support = cfi_query_u8(bank, 0, cfi_info->pri_addr + 9); - pri_ext->blk_status_reg_mask = cfi_query_u16(bank, 0, cfi_info->pri_addr + 0xa); - - LOG_DEBUG("feature_support: 0x%" PRIx32 ", suspend_cmd_support: 0x%x, blk_status_reg_mask: 0x%x", - pri_ext->feature_support, - pri_ext->suspend_cmd_support, - pri_ext->blk_status_reg_mask); - - pri_ext->vcc_optimal = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0xc); - pri_ext->vpp_optimal = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0xd); - - LOG_DEBUG("Vcc opt: %1.1x.%1.1x, Vpp opt: %1.1x.%1.1x", - (pri_ext->vcc_optimal & 0xf0) >> 4, pri_ext->vcc_optimal & 0x0f, - (pri_ext->vpp_optimal & 0xf0) >> 4, pri_ext->vpp_optimal & 0x0f); - - pri_ext->num_protection_fields = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0xe); - if (pri_ext->num_protection_fields != 1) - { - LOG_WARNING("expected one protection register field, but found %i", pri_ext->num_protection_fields); - } - - pri_ext->prot_reg_addr = cfi_query_u16(bank, 0, cfi_info->pri_addr + 0xf); - pri_ext->fact_prot_reg_size = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0x11); - pri_ext->user_prot_reg_size = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0x12); - - LOG_DEBUG("protection_fields: %i, prot_reg_addr: 0x%x, factory pre-programmed: %i, user programmable: %i", pri_ext->num_protection_fields, pri_ext->prot_reg_addr, 1 << pri_ext->fact_prot_reg_size, 1 << pri_ext->user_prot_reg_size); - - return ERROR_OK; -} - -static int cfi_read_spansion_pri_ext(struct flash_bank *bank) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext)); - struct target *target = bank->target; - uint8_t command[8]; - - cfi_info->pri_ext = pri_ext; - - pri_ext->pri[0] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0); - pri_ext->pri[1] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 1); - pri_ext->pri[2] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 2); - - if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - LOG_ERROR("Could not read spansion bank information"); - return ERROR_FLASH_BANK_INVALID; - } - - pri_ext->major_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 3); - pri_ext->minor_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 4); - - LOG_DEBUG("pri: '%c%c%c', version: %c.%c", pri_ext->pri[0], pri_ext->pri[1], pri_ext->pri[2], pri_ext->major_version, pri_ext->minor_version); - - pri_ext->SiliconRevision = cfi_query_u8(bank, 0, cfi_info->pri_addr + 5); - pri_ext->EraseSuspend = cfi_query_u8(bank, 0, cfi_info->pri_addr + 6); - pri_ext->BlkProt = cfi_query_u8(bank, 0, cfi_info->pri_addr + 7); - pri_ext->TmpBlkUnprotect = cfi_query_u8(bank, 0, cfi_info->pri_addr + 8); - pri_ext->BlkProtUnprot = cfi_query_u8(bank, 0, cfi_info->pri_addr + 9); - pri_ext->SimultaneousOps = cfi_query_u8(bank, 0, cfi_info->pri_addr + 10); - pri_ext->BurstMode = cfi_query_u8(bank, 0, cfi_info->pri_addr + 11); - pri_ext->PageMode = cfi_query_u8(bank, 0, cfi_info->pri_addr + 12); - pri_ext->VppMin = cfi_query_u8(bank, 0, cfi_info->pri_addr + 13); - pri_ext->VppMax = cfi_query_u8(bank, 0, cfi_info->pri_addr + 14); - pri_ext->TopBottom = cfi_query_u8(bank, 0, cfi_info->pri_addr + 15); - - LOG_DEBUG("Silicon Revision: 0x%x, Erase Suspend: 0x%x, Block protect: 0x%x", pri_ext->SiliconRevision, - pri_ext->EraseSuspend, pri_ext->BlkProt); - - LOG_DEBUG("Temporary Unprotect: 0x%x, Block Protect Scheme: 0x%x, Simultaneous Ops: 0x%x", pri_ext->TmpBlkUnprotect, - pri_ext->BlkProtUnprot, pri_ext->SimultaneousOps); - - LOG_DEBUG("Burst Mode: 0x%x, Page Mode: 0x%x, ", pri_ext->BurstMode, pri_ext->PageMode); - - - LOG_DEBUG("Vpp min: %2.2d.%1.1d, Vpp max: %2.2d.%1.1x", - (pri_ext->VppMin & 0xf0) >> 4, pri_ext->VppMin & 0x0f, - (pri_ext->VppMax & 0xf0) >> 4, pri_ext->VppMax & 0x0f); - - LOG_DEBUG("WP# protection 0x%x", pri_ext->TopBottom); - - /* default values for implementation specific workarounds */ - pri_ext->_unlock1 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock1; - pri_ext->_unlock2 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock2; - pri_ext->_reversed_geometry = 0; - - return ERROR_OK; -} - -static int cfi_read_atmel_pri_ext(struct flash_bank *bank) -{ - int retval; - struct cfi_atmel_pri_ext atmel_pri_ext; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext)); - struct target *target = bank->target; - uint8_t command[8]; - - /* ATMEL devices use the same CFI primary command set (0x2) as AMD/Spansion, - * but a different primary extended query table. - * We read the atmel table, and prepare a valid AMD/Spansion query table. - */ - - memset(pri_ext, 0, sizeof(struct cfi_spansion_pri_ext)); - - cfi_info->pri_ext = pri_ext; - - atmel_pri_ext.pri[0] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0); - atmel_pri_ext.pri[1] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 1); - atmel_pri_ext.pri[2] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 2); - - if ((atmel_pri_ext.pri[0] != 'P') || (atmel_pri_ext.pri[1] != 'R') || (atmel_pri_ext.pri[2] != 'I')) - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - LOG_ERROR("Could not read atmel bank information"); - return ERROR_FLASH_BANK_INVALID; - } - - pri_ext->pri[0] = atmel_pri_ext.pri[0]; - pri_ext->pri[1] = atmel_pri_ext.pri[1]; - pri_ext->pri[2] = atmel_pri_ext.pri[2]; - - atmel_pri_ext.major_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 3); - atmel_pri_ext.minor_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 4); - - LOG_DEBUG("pri: '%c%c%c', version: %c.%c", atmel_pri_ext.pri[0], atmel_pri_ext.pri[1], atmel_pri_ext.pri[2], atmel_pri_ext.major_version, atmel_pri_ext.minor_version); - - pri_ext->major_version = atmel_pri_ext.major_version; - pri_ext->minor_version = atmel_pri_ext.minor_version; - - atmel_pri_ext.features = cfi_query_u8(bank, 0, cfi_info->pri_addr + 5); - atmel_pri_ext.bottom_boot = cfi_query_u8(bank, 0, cfi_info->pri_addr + 6); - atmel_pri_ext.burst_mode = cfi_query_u8(bank, 0, cfi_info->pri_addr + 7); - atmel_pri_ext.page_mode = cfi_query_u8(bank, 0, cfi_info->pri_addr + 8); - - LOG_DEBUG("features: 0x%2.2x, bottom_boot: 0x%2.2x, burst_mode: 0x%2.2x, page_mode: 0x%2.2x", - atmel_pri_ext.features, atmel_pri_ext.bottom_boot, atmel_pri_ext.burst_mode, atmel_pri_ext.page_mode); - - if (atmel_pri_ext.features & 0x02) - pri_ext->EraseSuspend = 2; - - if (atmel_pri_ext.bottom_boot) - pri_ext->TopBottom = 2; - else - pri_ext->TopBottom = 3; - - pri_ext->_unlock1 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock1; - pri_ext->_unlock2 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock2; - - return ERROR_OK; -} - -static int cfi_read_0002_pri_ext(struct flash_bank *bank) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - if (cfi_info->manufacturer == CFI_MFR_ATMEL) - { - return cfi_read_atmel_pri_ext(bank); - } - else - { - return cfi_read_spansion_pri_ext(bank); - } -} - -static int cfi_spansion_info(struct flash_bank *bank, char *buf, int buf_size) -{ - int printed; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - - printed = snprintf(buf, buf_size, "\nSpansion primary algorithm extend information:\n"); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "pri: '%c%c%c', version: %c.%c\n", pri_ext->pri[0], - pri_ext->pri[1], pri_ext->pri[2], - pri_ext->major_version, pri_ext->minor_version); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "Silicon Rev.: 0x%x, Address Sensitive unlock: 0x%x\n", - (pri_ext->SiliconRevision) >> 2, - (pri_ext->SiliconRevision) & 0x03); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "Erase Suspend: 0x%x, Sector Protect: 0x%x\n", - pri_ext->EraseSuspend, - pri_ext->BlkProt); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "VppMin: %2.2d.%1.1x, VppMax: %2.2d.%1.1x\n", - (pri_ext->VppMin & 0xf0) >> 4, pri_ext->VppMin & 0x0f, - (pri_ext->VppMax & 0xf0) >> 4, pri_ext->VppMax & 0x0f); - - return ERROR_OK; -} - -static int cfi_intel_info(struct flash_bank *bank, char *buf, int buf_size) -{ - int printed; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext; - - printed = snprintf(buf, buf_size, "\nintel primary algorithm extend information:\n"); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "pri: '%c%c%c', version: %c.%c\n", pri_ext->pri[0], pri_ext->pri[1], pri_ext->pri[2], pri_ext->major_version, pri_ext->minor_version); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "feature_support: 0x%" PRIx32 ", suspend_cmd_support: 0x%x, blk_status_reg_mask: 0x%x\n", pri_ext->feature_support, pri_ext->suspend_cmd_support, pri_ext->blk_status_reg_mask); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "Vcc opt: %1.1x.%1.1x, Vpp opt: %1.1x.%1.1x\n", - (pri_ext->vcc_optimal & 0xf0) >> 4, pri_ext->vcc_optimal & 0x0f, - (pri_ext->vpp_optimal & 0xf0) >> 4, pri_ext->vpp_optimal & 0x0f); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "protection_fields: %i, prot_reg_addr: 0x%x, factory pre-programmed: %i, user programmable: %i\n", pri_ext->num_protection_fields, pri_ext->prot_reg_addr, 1 << pri_ext->fact_prot_reg_size, 1 << pri_ext->user_prot_reg_size); - - return ERROR_OK; -} - -/* flash_bank cfi <base> <size> <chip_width> <bus_width> <target#> [options] - */ -FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command) -{ - struct cfi_flash_bank *cfi_info; - - if (CMD_ARGC < 6) - { - LOG_WARNING("incomplete flash_bank cfi configuration"); - return ERROR_FLASH_BANK_INVALID; - } - - uint16_t chip_width, bus_width; - COMMAND_PARSE_NUMBER(u16, CMD_ARGV[3], bus_width); - COMMAND_PARSE_NUMBER(u16, CMD_ARGV[4], chip_width); - - if ((chip_width > CFI_MAX_CHIP_WIDTH) - || (bus_width > CFI_MAX_BUS_WIDTH)) - { - LOG_ERROR("chip and bus width have to specified in bytes"); - return ERROR_FLASH_BANK_INVALID; - } - - cfi_info = malloc(sizeof(struct cfi_flash_bank)); - cfi_info->probed = 0; - bank->driver_priv = cfi_info; - - cfi_info->write_algorithm = NULL; - - cfi_info->x16_as_x8 = 0; - cfi_info->jedec_probe = 0; - cfi_info->not_cfi = 0; - - for (unsigned i = 6; i < CMD_ARGC; i++) - { - if (strcmp(CMD_ARGV[i], "x16_as_x8") == 0) - { - cfi_info->x16_as_x8 = 1; - } - else if (strcmp(CMD_ARGV[i], "jedec_probe") == 0) - { - cfi_info->jedec_probe = 1; - } - } - - cfi_info->write_algorithm = NULL; - - /* bank wasn't probed yet */ - cfi_info->qry[0] = -1; - - return ERROR_OK; -} - -static int cfi_intel_erase(struct flash_bank *bank, int first, int last) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint8_t command[8]; - int i; - - cfi_intel_clear_status_register(bank); - - for (i = first; i <= last; i++) - { - cfi_command(bank, 0x20, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0xd0, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->block_erase_timeout_typ)) == 0x80) - bank->sectors[i].is_erased = 1; - else - { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("couldn't erase block %i of flash bank at base 0x%" PRIx32 , i, bank->base); - return ERROR_FLASH_OPERATION_FAILED; - } - } - - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - -} - -static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; - int i; - - for (i = first; i <= last; i++) - { - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x80, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x30, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->block_erase_timeout_typ)) == ERROR_OK) - bank->sectors[i].is_erased = 1; - else - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("couldn't erase block %i of flash bank at base 0x%" PRIx32, i, bank->base); - return ERROR_FLASH_OPERATION_FAILED; - } - } - - cfi_command(bank, 0xf0, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); -} - -static int cfi_erase(struct flash_bank *bank, int first, int last) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - return ERROR_FLASH_SECTOR_INVALID; - } - - if (cfi_info->qry[0] != 'Q') - return ERROR_FLASH_BANK_NOT_PROBED; - - switch (cfi_info->pri_id) - { - case 1: - case 3: - return cfi_intel_erase(bank, first, last); - break; - case 2: - return cfi_spansion_erase(bank, first, last); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - return ERROR_OK; -} - -static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int last) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; - int retry = 0; - int i; - - /* if the device supports neither legacy lock/unlock (bit 3) nor - * instant individual block locking (bit 5). - */ - if (!(pri_ext->feature_support & 0x28)) - return ERROR_FLASH_OPERATION_FAILED; - - cfi_intel_clear_status_register(bank); - - for (i = first; i <= last; i++) - { - cfi_command(bank, 0x60, command); - LOG_DEBUG("address: 0x%4.4" PRIx32 ", command: 0x%4.4" PRIx32, flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - if (set) - { - cfi_command(bank, 0x01, command); - LOG_DEBUG("address: 0x%4.4" PRIx32 ", command: 0x%4.4" PRIx32 , flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - bank->sectors[i].is_protected = 1; - } - else - { - cfi_command(bank, 0xd0, command); - LOG_DEBUG("address: 0x%4.4" PRIx32 ", command: 0x%4.4" PRIx32, flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - bank->sectors[i].is_protected = 0; - } - - /* instant individual block locking doesn't require reading of the status register */ - if (!(pri_ext->feature_support & 0x20)) - { - /* Clear lock bits operation may take up to 1.4s */ - cfi_intel_wait_status_busy(bank, 1400); - } - else - { - uint8_t block_status; - /* read block lock bit, to verify status */ - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - block_status = cfi_get_u8(bank, i, 0x2); - - if ((block_status & 0x1) != set) - { - LOG_ERROR("couldn't change block lock status (set = %i, block_status = 0x%2.2x)", set, block_status); - cfi_command(bank, 0x70, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_intel_wait_status_busy(bank, 10); - - if (retry > 10) - return ERROR_FLASH_OPERATION_FAILED; - else - { - i--; - retry++; - } - } - } - } - - /* if the device doesn't support individual block lock bits set/clear, - * all blocks have been unlocked in parallel, so we set those that should be protected - */ - if ((!set) && (!(pri_ext->feature_support & 0x20))) - { - for (i = 0; i < bank->num_sectors; i++) - { - if (bank->sectors[i].is_protected == 1) - { - cfi_intel_clear_status_register(bank); - - cfi_command(bank, 0x60, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x01, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_intel_wait_status_busy(bank, 100); - } - } - } - - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); -} - -static int cfi_protect(struct flash_bank *bank, int set, int first, int last) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - return ERROR_FLASH_SECTOR_INVALID; - } - - if (cfi_info->qry[0] != 'Q') - return ERROR_FLASH_BANK_NOT_PROBED; - - switch (cfi_info->pri_id) - { - case 1: - case 3: - cfi_intel_protect(bank, set, first, last); - break; - default: - LOG_ERROR("protect: cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - return ERROR_OK; -} - -/* FIXME Replace this by a simple memcpy() - still unsure about sideeffects */ -static void cfi_add_byte(struct flash_bank *bank, uint8_t *word, uint8_t byte) -{ - /* struct target *target = bank->target; */ - - int i; - - /* NOTE: - * The data to flash must not be changed in endian! We write a bytestrem in - * target byte order already. Only the control and status byte lane of the flash - * WSM is interpreted by the CPU in different ways, when read a uint16_t or uint32_t - * word (data seems to be in the upper or lower byte lane for uint16_t accesses). - */ - -#if 0 - if (target->endianness == TARGET_LITTLE_ENDIAN) - { -#endif - /* shift bytes */ - for (i = 0; i < bank->bus_width - 1; i++) - word[i] = word[i + 1]; - word[bank->bus_width - 1] = byte; -#if 0 - } - else - { - /* shift bytes */ - for (i = bank->bus_width - 1; i > 0; i--) - word[i] = word[i - 1]; - word[0] = byte; - } -#endif -} - -/* Convert code image to target endian */ -/* FIXME create general block conversion fcts in target.c?) */ -static void cfi_fix_code_endian(struct target *target, uint8_t *dest, const uint32_t *src, uint32_t count) -{ - uint32_t i; - for (i = 0; i< count; i++) - { - target_buffer_set_u32(target, dest, *src); - dest += 4; - src++; - } -} - -static uint32_t cfi_command_val(struct flash_bank *bank, uint8_t cmd) -{ - struct target *target = bank->target; - - uint8_t buf[CFI_MAX_BUS_WIDTH]; - cfi_command(bank, cmd, buf); - switch (bank->bus_width) - { - case 1 : - return buf[0]; - break; - case 2 : - return target_buffer_get_u16(target, buf); - break; - case 4 : - return target_buffer_get_u32(target, buf); - break; - default : - LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank->bus_width); - return 0; - } -} - -static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t address, uint32_t count) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - struct reg_param reg_params[7]; - struct armv4_5_algorithm armv4_5_info; - struct working_area *source; - uint32_t buffer_size = 32768; - uint32_t write_command_val, busy_pattern_val, error_pattern_val; - - /* algorithm register usage: - * r0: source address (in RAM) - * r1: target address (in Flash) - * r2: count - * r3: flash write command - * r4: status byte (returned to host) - * r5: busy test pattern - * r6: error test pattern - */ - - static const uint32_t word_32_code[] = { - 0xe4904004, /* loop: ldr r4, [r0], #4 */ - 0xe5813000, /* str r3, [r1] */ - 0xe5814000, /* str r4, [r1] */ - 0xe5914000, /* busy: ldr r4, [r1] */ - 0xe0047005, /* and r7, r4, r5 */ - 0xe1570005, /* cmp r7, r5 */ - 0x1afffffb, /* bne busy */ - 0xe1140006, /* tst r4, r6 */ - 0x1a000003, /* bne done */ - 0xe2522001, /* subs r2, r2, #1 */ - 0x0a000001, /* beq done */ - 0xe2811004, /* add r1, r1 #4 */ - 0xeafffff2, /* b loop */ - 0xeafffffe /* done: b -2 */ - }; - - static const uint32_t word_16_code[] = { - 0xe0d040b2, /* loop: ldrh r4, [r0], #2 */ - 0xe1c130b0, /* strh r3, [r1] */ - 0xe1c140b0, /* strh r4, [r1] */ - 0xe1d140b0, /* busy ldrh r4, [r1] */ - 0xe0047005, /* and r7, r4, r5 */ - 0xe1570005, /* cmp r7, r5 */ - 0x1afffffb, /* bne busy */ - 0xe1140006, /* tst r4, r6 */ - 0x1a000003, /* bne done */ - 0xe2522001, /* subs r2, r2, #1 */ - 0x0a000001, /* beq done */ - 0xe2811002, /* add r1, r1 #2 */ - 0xeafffff2, /* b loop */ - 0xeafffffe /* done: b -2 */ - }; - - static const uint32_t word_8_code[] = { - 0xe4d04001, /* loop: ldrb r4, [r0], #1 */ - 0xe5c13000, /* strb r3, [r1] */ - 0xe5c14000, /* strb r4, [r1] */ - 0xe5d14000, /* busy ldrb r4, [r1] */ - 0xe0047005, /* and r7, r4, r5 */ - 0xe1570005, /* cmp r7, r5 */ - 0x1afffffb, /* bne busy */ - 0xe1140006, /* tst r4, r6 */ - 0x1a000003, /* bne done */ - 0xe2522001, /* subs r2, r2, #1 */ - 0x0a000001, /* beq done */ - 0xe2811001, /* add r1, r1 #1 */ - 0xeafffff2, /* b loop */ - 0xeafffffe /* done: b -2 */ - }; - uint8_t target_code[4*CFI_MAX_INTEL_CODESIZE]; - const uint32_t *target_code_src; - uint32_t target_code_size; - int retval = ERROR_OK; - - - cfi_intel_clear_status_register(bank); - - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; - armv4_5_info.core_mode = ARMV4_5_MODE_SVC; - armv4_5_info.core_state = ARMV4_5_STATE_ARM; - - /* If we are setting up the write_algorith, we need target_code_src */ - /* if not we only need target_code_size. */ - - /* However, we don't want to create multiple code paths, so we */ - /* do the unecessary evaluation of target_code_src, which the */ - /* compiler will probably nicely optimize away if not needed */ - - /* prepare algorithm code for target endian */ - switch (bank->bus_width) - { - case 1 : - target_code_src = word_8_code; - target_code_size = sizeof(word_8_code); - break; - case 2 : - target_code_src = word_16_code; - target_code_size = sizeof(word_16_code); - break; - case 4 : - target_code_src = word_32_code; - target_code_size = sizeof(word_32_code); - break; - default: - LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank->bus_width); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - /* flash write code */ - if (!cfi_info->write_algorithm) - { - if (target_code_size > sizeof(target_code)) - { - LOG_WARNING("Internal error - target code buffer to small. Increase CFI_MAX_INTEL_CODESIZE and recompile."); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4); - - /* Get memory for block write handler */ - retval = target_alloc_working_area(target, target_code_size, &cfi_info->write_algorithm); - if (retval != ERROR_OK) - { - LOG_WARNING("No working area available, can't do block memory writes"); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - }; - - /* write algorithm code to working area */ - retval = target_write_buffer(target, cfi_info->write_algorithm->address, target_code_size, target_code); - if (retval != ERROR_OK) - { - LOG_ERROR("Unable to write block write code to target"); - goto cleanup; - } - } - - /* Get a workspace buffer for the data to flash starting with 32k size. - Half size until buffer would be smaller 256 Bytem then fail back */ - /* FIXME Why 256 bytes, why not 32 bytes (smallest flash write page */ - while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) - { - buffer_size /= 2; - if (buffer_size <= 256) - { - LOG_WARNING("no large enough working area available, can't do block memory writes"); - retval = ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - goto cleanup; - } - }; - - /* setup algo registers */ - init_reg_param(®_params[0], "r0", 32, PARAM_OUT); - init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - init_reg_param(®_params[2], "r2", 32, PARAM_OUT); - init_reg_param(®_params[3], "r3", 32, PARAM_OUT); - init_reg_param(®_params[4], "r4", 32, PARAM_IN); - init_reg_param(®_params[5], "r5", 32, PARAM_OUT); - init_reg_param(®_params[6], "r6", 32, PARAM_OUT); - - /* prepare command and status register patterns */ - write_command_val = cfi_command_val(bank, 0x40); - busy_pattern_val = cfi_command_val(bank, 0x80); - error_pattern_val = cfi_command_val(bank, 0x7e); - - LOG_INFO("Using target buffer at 0x%08" PRIx32 " and of size 0x%04" PRIx32, source->address, buffer_size); - - /* Programming main loop */ - while (count > 0) - { - uint32_t thisrun_count = (count > buffer_size) ? buffer_size : count; - uint32_t wsm_error; - - if ((retval = target_write_buffer(target, source->address, thisrun_count, buffer)) != ERROR_OK) - { - goto cleanup; - } - - buf_set_u32(reg_params[0].value, 0, 32, source->address); - buf_set_u32(reg_params[1].value, 0, 32, address); - buf_set_u32(reg_params[2].value, 0, 32, thisrun_count / bank->bus_width); - - buf_set_u32(reg_params[3].value, 0, 32, write_command_val); - buf_set_u32(reg_params[5].value, 0, 32, busy_pattern_val); - buf_set_u32(reg_params[6].value, 0, 32, error_pattern_val); - - LOG_INFO("Write 0x%04" PRIx32 " bytes to flash at 0x%08" PRIx32 , thisrun_count, address); - - /* Execute algorithm, assume breakpoint for last instruction */ - retval = target_run_algorithm(target, 0, NULL, 7, reg_params, - cfi_info->write_algorithm->address, - cfi_info->write_algorithm->address + target_code_size - sizeof(uint32_t), - 10000, /* 10s should be enough for max. 32k of data */ - &armv4_5_info); - - /* On failure try a fall back to direct word writes */ - if (retval != ERROR_OK) - { - cfi_intel_clear_status_register(bank); - LOG_ERROR("Execution of flash algorythm failed. Can't fall back. Please report."); - retval = ERROR_FLASH_OPERATION_FAILED; - /* retval = ERROR_TARGET_RESOURCE_NOT_AVAILABLE; */ - /* FIXME To allow fall back or recovery, we must save the actual status - somewhere, so that a higher level code can start recovery. */ - goto cleanup; - } - - /* Check return value from algo code */ - wsm_error = buf_get_u32(reg_params[4].value, 0, 32) & error_pattern_val; - if (wsm_error) - { - /* read status register (outputs debug inforation) */ - cfi_intel_wait_status_busy(bank, 100); - cfi_intel_clear_status_register(bank); - retval = ERROR_FLASH_OPERATION_FAILED; - goto cleanup; - } - - buffer += thisrun_count; - address += thisrun_count; - count -= thisrun_count; - } - - /* free up resources */ -cleanup: - if (source) - target_free_working_area(target, source); - - if (cfi_info->write_algorithm) - { - target_free_working_area(target, cfi_info->write_algorithm); - cfi_info->write_algorithm = NULL; - } - - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - destroy_reg_param(®_params[3]); - destroy_reg_param(®_params[4]); - destroy_reg_param(®_params[5]); - destroy_reg_param(®_params[6]); - - return retval; -} - -static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t address, uint32_t count) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - struct reg_param reg_params[10]; - struct armv4_5_algorithm armv4_5_info; - struct working_area *source; - uint32_t buffer_size = 32768; - uint32_t status; - int retval, retvaltemp; - int exit_code = ERROR_OK; - - /* input parameters - */ - /* R0 = source address */ - /* R1 = destination address */ - /* R2 = number of writes */ - /* R3 = flash write command */ - /* R4 = constant to mask DQ7 bits (also used for Dq5 with shift) */ - /* output parameters - */ - /* R5 = 0x80 ok 0x00 bad */ - /* temp registers - */ - /* R6 = value read from flash to test status */ - /* R7 = holding register */ - /* unlock registers - */ - /* R8 = unlock1_addr */ - /* R9 = unlock1_cmd */ - /* R10 = unlock2_addr */ - /* R11 = unlock2_cmd */ - - static const uint32_t word_32_code[] = { - /* 00008100 <sp_32_code>: */ - 0xe4905004, /* ldr r5, [r0], #4 */ - 0xe5889000, /* str r9, [r8] */ - 0xe58ab000, /* str r11, [r10] */ - 0xe5883000, /* str r3, [r8] */ - 0xe5815000, /* str r5, [r1] */ - 0xe1a00000, /* nop */ - /* */ - /* 00008110 <sp_32_busy>: */ - 0xe5916000, /* ldr r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe0147007, /* ands r7, r4, r7 */ - 0x0a000007, /* beq 8140 <sp_32_cont> ; b if DQ7 == Data7 */ - 0xe0166124, /* ands r6, r6, r4, lsr #2 */ - 0x0afffff9, /* beq 8110 <sp_32_busy> ; b if DQ5 low */ - 0xe5916000, /* ldr r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe0147007, /* ands r7, r4, r7 */ - 0x0a000001, /* beq 8140 <sp_32_cont> ; b if DQ7 == Data7 */ - 0xe3a05000, /* mov r5, #0 ; 0x0 - return 0x00, error */ - 0x1a000004, /* bne 8154 <sp_32_done> */ - /* */ - /* 00008140 <sp_32_cont>: */ - 0xe2522001, /* subs r2, r2, #1 ; 0x1 */ - 0x03a05080, /* moveq r5, #128 ; 0x80 */ - 0x0a000001, /* beq 8154 <sp_32_done> */ - 0xe2811004, /* add r1, r1, #4 ; 0x4 */ - 0xeaffffe8, /* b 8100 <sp_32_code> */ - /* */ - /* 00008154 <sp_32_done>: */ - 0xeafffffe /* b 8154 <sp_32_done> */ - }; - - static const uint32_t word_16_code[] = { - /* 00008158 <sp_16_code>: */ - 0xe0d050b2, /* ldrh r5, [r0], #2 */ - 0xe1c890b0, /* strh r9, [r8] */ - 0xe1cab0b0, /* strh r11, [r10] */ - 0xe1c830b0, /* strh r3, [r8] */ - 0xe1c150b0, /* strh r5, [r1] */ - 0xe1a00000, /* nop (mov r0,r0) */ - /* */ - /* 00008168 <sp_16_busy>: */ - 0xe1d160b0, /* ldrh r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe0147007, /* ands r7, r4, r7 */ - 0x0a000007, /* beq 8198 <sp_16_cont> */ - 0xe0166124, /* ands r6, r6, r4, lsr #2 */ - 0x0afffff9, /* beq 8168 <sp_16_busy> */ - 0xe1d160b0, /* ldrh r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe0147007, /* ands r7, r4, r7 */ - 0x0a000001, /* beq 8198 <sp_16_cont> */ - 0xe3a05000, /* mov r5, #0 ; 0x0 */ - 0x1a000004, /* bne 81ac <sp_16_done> */ - /* */ - /* 00008198 <sp_16_cont>: */ - 0xe2522001, /* subs r2, r2, #1 ; 0x1 */ - 0x03a05080, /* moveq r5, #128 ; 0x80 */ - 0x0a000001, /* beq 81ac <sp_16_done> */ - 0xe2811002, /* add r1, r1, #2 ; 0x2 */ - 0xeaffffe8, /* b 8158 <sp_16_code> */ - /* */ - /* 000081ac <sp_16_done>: */ - 0xeafffffe /* b 81ac <sp_16_done> */ - }; - - static const uint32_t word_16_code_dq7only[] = { - /* <sp_16_code>: */ - 0xe0d050b2, /* ldrh r5, [r0], #2 */ - 0xe1c890b0, /* strh r9, [r8] */ - 0xe1cab0b0, /* strh r11, [r10] */ - 0xe1c830b0, /* strh r3, [r8] */ - 0xe1c150b0, /* strh r5, [r1] */ - 0xe1a00000, /* nop (mov r0,r0) */ - /* */ - /* <sp_16_busy>: */ - 0xe1d160b0, /* ldrh r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe2177080, /* ands r7, #0x80 */ - 0x1afffffb, /* bne 8168 <sp_16_busy> */ - /* */ - 0xe2522001, /* subs r2, r2, #1 ; 0x1 */ - 0x03a05080, /* moveq r5, #128 ; 0x80 */ - 0x0a000001, /* beq 81ac <sp_16_done> */ - 0xe2811002, /* add r1, r1, #2 ; 0x2 */ - 0xeafffff0, /* b 8158 <sp_16_code> */ - /* */ - /* 000081ac <sp_16_done>: */ - 0xeafffffe /* b 81ac <sp_16_done> */ - }; - - static const uint32_t word_8_code[] = { - /* 000081b0 <sp_16_code_end>: */ - 0xe4d05001, /* ldrb r5, [r0], #1 */ - 0xe5c89000, /* strb r9, [r8] */ - 0xe5cab000, /* strb r11, [r10] */ - 0xe5c83000, /* strb r3, [r8] */ - 0xe5c15000, /* strb r5, [r1] */ - 0xe1a00000, /* nop (mov r0,r0) */ - /* */ - /* 000081c0 <sp_8_busy>: */ - 0xe5d16000, /* ldrb r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe0147007, /* ands r7, r4, r7 */ - 0x0a000007, /* beq 81f0 <sp_8_cont> */ - 0xe0166124, /* ands r6, r6, r4, lsr #2 */ - 0x0afffff9, /* beq 81c0 <sp_8_busy> */ - 0xe5d16000, /* ldrb r6, [r1] */ - 0xe0257006, /* eor r7, r5, r6 */ - 0xe0147007, /* ands r7, r4, r7 */ - 0x0a000001, /* beq 81f0 <sp_8_cont> */ - 0xe3a05000, /* mov r5, #0 ; 0x0 */ - 0x1a000004, /* bne 8204 <sp_8_done> */ - /* */ - /* 000081f0 <sp_8_cont>: */ - 0xe2522001, /* subs r2, r2, #1 ; 0x1 */ - 0x03a05080, /* moveq r5, #128 ; 0x80 */ - 0x0a000001, /* beq 8204 <sp_8_done> */ - 0xe2811001, /* add r1, r1, #1 ; 0x1 */ - 0xeaffffe8, /* b 81b0 <sp_16_code_end> */ - /* */ - /* 00008204 <sp_8_done>: */ - 0xeafffffe /* b 8204 <sp_8_done> */ - }; - - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; - armv4_5_info.core_mode = ARMV4_5_MODE_SVC; - armv4_5_info.core_state = ARMV4_5_STATE_ARM; - - int target_code_size; - const uint32_t *target_code_src; - - switch (bank->bus_width) - { - case 1 : - target_code_src = word_8_code; - target_code_size = sizeof(word_8_code); - break; - case 2 : - /* Check for DQ5 support */ - if( cfi_info->status_poll_mask & (1 << 5) ) - { - target_code_src = word_16_code; - target_code_size = sizeof(word_16_code); - } - else - { - /* No DQ5 support. Use DQ7 DATA# polling only. */ - target_code_src = word_16_code_dq7only; - target_code_size = sizeof(word_16_code_dq7only); - } - break; - case 4 : - target_code_src = word_32_code; - target_code_size = sizeof(word_32_code); - break; - default: - LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank->bus_width); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - /* flash write code */ - if (!cfi_info->write_algorithm) - { - uint8_t *target_code; - - /* convert bus-width dependent algorithm code to correct endiannes */ - target_code = malloc(target_code_size); - cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4); - - /* allocate working area */ - retval = target_alloc_working_area(target, target_code_size, - &cfi_info->write_algorithm); - if (retval != ERROR_OK) - { - free(target_code); - return retval; - } - - /* write algorithm code to working area */ - if ((retval = target_write_buffer(target, cfi_info->write_algorithm->address, - target_code_size, target_code)) != ERROR_OK) - { - free(target_code); - return retval; - } - - free(target_code); - } - /* the following code still assumes target code is fixed 24*4 bytes */ - - while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) - { - buffer_size /= 2; - if (buffer_size <= 256) - { - /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */ - if (cfi_info->write_algorithm) - target_free_working_area(target, cfi_info->write_algorithm); - - LOG_WARNING("not enough working area available, can't do block memory writes"); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - }; - - init_reg_param(®_params[0], "r0", 32, PARAM_OUT); - init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - init_reg_param(®_params[2], "r2", 32, PARAM_OUT); - init_reg_param(®_params[3], "r3", 32, PARAM_OUT); - init_reg_param(®_params[4], "r4", 32, PARAM_OUT); - init_reg_param(®_params[5], "r5", 32, PARAM_IN); - init_reg_param(®_params[6], "r8", 32, PARAM_OUT); - init_reg_param(®_params[7], "r9", 32, PARAM_OUT); - init_reg_param(®_params[8], "r10", 32, PARAM_OUT); - init_reg_param(®_params[9], "r11", 32, PARAM_OUT); - - while (count > 0) - { - uint32_t thisrun_count = (count > buffer_size) ? buffer_size : count; - - retvaltemp = target_write_buffer(target, source->address, thisrun_count, buffer); - - buf_set_u32(reg_params[0].value, 0, 32, source->address); - buf_set_u32(reg_params[1].value, 0, 32, address); - buf_set_u32(reg_params[2].value, 0, 32, thisrun_count / bank->bus_width); - buf_set_u32(reg_params[3].value, 0, 32, cfi_command_val(bank, 0xA0)); - buf_set_u32(reg_params[4].value, 0, 32, cfi_command_val(bank, 0x80)); - buf_set_u32(reg_params[6].value, 0, 32, flash_address(bank, 0, pri_ext->_unlock1)); - buf_set_u32(reg_params[7].value, 0, 32, 0xaaaaaaaa); - buf_set_u32(reg_params[8].value, 0, 32, flash_address(bank, 0, pri_ext->_unlock2)); - buf_set_u32(reg_params[9].value, 0, 32, 0x55555555); - - retval = target_run_algorithm(target, 0, NULL, 10, reg_params, - cfi_info->write_algorithm->address, - cfi_info->write_algorithm->address + ((target_code_size) - 4), - 10000, &armv4_5_info); - - status = buf_get_u32(reg_params[5].value, 0, 32); - - if ((retval != ERROR_OK) || (retvaltemp != ERROR_OK) || status != 0x80) - { - LOG_DEBUG("status: 0x%" PRIx32 , status); - exit_code = ERROR_FLASH_OPERATION_FAILED; - break; - } - - buffer += thisrun_count; - address += thisrun_count; - count -= thisrun_count; - } - - target_free_all_working_areas(target); - - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - destroy_reg_param(®_params[3]); - destroy_reg_param(®_params[4]); - destroy_reg_param(®_params[5]); - destroy_reg_param(®_params[6]); - destroy_reg_param(®_params[7]); - destroy_reg_param(®_params[8]); - destroy_reg_param(®_params[9]); - - return exit_code; -} - -static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t address) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint8_t command[8]; - - cfi_intel_clear_status_register(bank); - cfi_command(bank, 0x40, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if ((retval = target_write_memory(target, address, bank->bus_width, 1, word)) != ERROR_OK) - { - return retval; - } - - if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != 0x80) - { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("couldn't write word at base 0x%" PRIx32 ", address %" PRIx32 , bank->base, address); - return ERROR_FLASH_OPERATION_FAILED; - } - - return ERROR_OK; -} - -static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_t wordcount, uint32_t address) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint8_t command[8]; - - /* Calculate buffer size and boundary mask */ - uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); - uint32_t buffermask = buffersize-1; - uint32_t bufferwsize; - - /* Check for valid range */ - if (address & buffermask) - { - LOG_ERROR("Write address at base 0x%" PRIx32 ", address %" PRIx32 " not aligned to 2^%d boundary", - bank->base, address, cfi_info->max_buf_write_size); - return ERROR_FLASH_OPERATION_FAILED; - } - switch (bank->chip_width) - { - case 4 : bufferwsize = buffersize / 4; break; - case 2 : bufferwsize = buffersize / 2; break; - case 1 : bufferwsize = buffersize; break; - default: - LOG_ERROR("Unsupported chip width %d", bank->chip_width); - return ERROR_FLASH_OPERATION_FAILED; - } - - bufferwsize/=(bank->bus_width / bank->chip_width); - - - /* Check for valid size */ - if (wordcount > bufferwsize) - { - LOG_ERROR("Number of data words %" PRId32 " exceeds available buffersize %" PRId32 , wordcount, buffersize); - return ERROR_FLASH_OPERATION_FAILED; - } - - /* Write to flash buffer */ - cfi_intel_clear_status_register(bank); - - /* Initiate buffer operation _*/ - cfi_command(bank, 0xE8, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->buf_write_timeout_max)) != 0x80) - { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("couldn't start buffer write operation at base 0x%" PRIx32 ", address %" PRIx32 , bank->base, address); - return ERROR_FLASH_OPERATION_FAILED; - } - - /* Write buffer wordcount-1 and data words */ - cfi_command(bank, bufferwsize-1, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if ((retval = target_write_memory(target, address, bank->bus_width, bufferwsize, word)) != ERROR_OK) - { - return retval; - } - - /* Commit write operation */ - cfi_command(bank, 0xd0, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->buf_write_timeout_max)) != 0x80) - { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("Buffer write at base 0x%" PRIx32 ", address %" PRIx32 " failed.", bank->base, address); - return ERROR_FLASH_OPERATION_FAILED; - } - - return ERROR_OK; -} - -static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint32_t address) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; - - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0xa0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if ((retval = target_write_memory(target, address, bank->bus_width, 1, word)) != ERROR_OK) - { - return retval; - } - - if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK) - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("couldn't write word at base 0x%" PRIx32 ", address %" PRIx32 , bank->base, address); - return ERROR_FLASH_OPERATION_FAILED; - } - - return ERROR_OK; -} - -static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint32_t wordcount, uint32_t address) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint8_t command[8]; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - - /* Calculate buffer size and boundary mask */ - uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); - uint32_t buffermask = buffersize-1; - uint32_t bufferwsize; - - /* Check for valid range */ - if (address & buffermask) - { - LOG_ERROR("Write address at base 0x%" PRIx32 ", address %" PRIx32 " not aligned to 2^%d boundary", bank->base, address, cfi_info->max_buf_write_size); - return ERROR_FLASH_OPERATION_FAILED; - } - switch (bank->chip_width) - { - case 4 : bufferwsize = buffersize / 4; break; - case 2 : bufferwsize = buffersize / 2; break; - case 1 : bufferwsize = buffersize; break; - default: - LOG_ERROR("Unsupported chip width %d", bank->chip_width); - return ERROR_FLASH_OPERATION_FAILED; - } - - bufferwsize/=(bank->bus_width / bank->chip_width); - - /* Check for valid size */ - if (wordcount > bufferwsize) - { - LOG_ERROR("Number of data words %" PRId32 " exceeds available buffersize %" PRId32, wordcount, buffersize); - return ERROR_FLASH_OPERATION_FAILED; - } - - // Unlock - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - // Buffer load command - cfi_command(bank, 0x25, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - /* Write buffer wordcount-1 and data words */ - cfi_command(bank, bufferwsize-1, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if ((retval = target_write_memory(target, address, bank->bus_width, bufferwsize, word)) != ERROR_OK) - { - return retval; - } - - /* Commit write operation */ - cfi_command(bank, 0x29, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK) - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - LOG_ERROR("couldn't write block at base 0x%" PRIx32 ", address %" PRIx32 ", size %" PRIx32 , bank->base, address, bufferwsize); - return ERROR_FLASH_OPERATION_FAILED; - } - - return ERROR_OK; -} - -static int cfi_write_word(struct flash_bank *bank, uint8_t *word, uint32_t address) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - switch (cfi_info->pri_id) - { - case 1: - case 3: - return cfi_intel_write_word(bank, word, address); - break; - case 2: - return cfi_spansion_write_word(bank, word, address); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - return ERROR_FLASH_OPERATION_FAILED; -} - -static int cfi_write_words(struct flash_bank *bank, uint8_t *word, uint32_t wordcount, uint32_t address) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - switch (cfi_info->pri_id) - { - case 1: - case 3: - return cfi_intel_write_words(bank, word, wordcount, address); - break; - case 2: - return cfi_spansion_write_words(bank, word, wordcount, address); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - return ERROR_FLASH_OPERATION_FAILED; -} - -int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint32_t address = bank->base + offset; /* address of first byte to be programmed */ - uint32_t write_p, copy_p; - int align; /* number of unaligned bytes */ - int blk_count; /* number of bus_width bytes for block copy */ - uint8_t current_word[CFI_MAX_BUS_WIDTH * 4]; /* word (bus_width size) currently being programmed */ - int i; - int retval; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if (offset + count > bank->size) - return ERROR_FLASH_DST_OUT_OF_BANK; - - if (cfi_info->qry[0] != 'Q') - return ERROR_FLASH_BANK_NOT_PROBED; - - /* start at the first byte of the first word (bus_width size) */ - write_p = address & ~(bank->bus_width - 1); - if ((align = address - write_p) != 0) - { - LOG_INFO("Fixup %d unaligned head bytes", align); - - for (i = 0; i < bank->bus_width; i++) - current_word[i] = 0; - copy_p = write_p; - - /* copy bytes before the first write address */ - for (i = 0; i < align; ++i, ++copy_p) - { - uint8_t byte; - if ((retval = target_read_memory(target, copy_p, 1, 1, &byte)) != ERROR_OK) - { - return retval; - } - cfi_add_byte(bank, current_word, byte); - } - - /* add bytes from the buffer */ - for (; (i < bank->bus_width) && (count > 0); i++) - { - cfi_add_byte(bank, current_word, *buffer++); - count--; - copy_p++; - } - - /* if the buffer is already finished, copy bytes after the last write address */ - for (; (count == 0) && (i < bank->bus_width); ++i, ++copy_p) - { - uint8_t byte; - if ((retval = target_read_memory(target, copy_p, 1, 1, &byte)) != ERROR_OK) - { - return retval; - } - cfi_add_byte(bank, current_word, byte); - } - - retval = cfi_write_word(bank, current_word, write_p); - if (retval != ERROR_OK) - return retval; - write_p = copy_p; - } - - /* handle blocks of bus_size aligned bytes */ - blk_count = count & ~(bank->bus_width - 1); /* round down, leave tail bytes */ - switch (cfi_info->pri_id) - { - /* try block writes (fails without working area) */ - case 1: - case 3: - retval = cfi_intel_write_block(bank, buffer, write_p, blk_count); - break; - case 2: - retval = cfi_spansion_write_block(bank, buffer, write_p, blk_count); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - retval = ERROR_FLASH_OPERATION_FAILED; - break; - } - if (retval == ERROR_OK) - { - /* Increment pointers and decrease count on succesful block write */ - buffer += blk_count; - write_p += blk_count; - count -= blk_count; - } - else - { - if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) - { - //adjust buffersize for chip width - uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); - uint32_t buffermask = buffersize-1; - uint32_t bufferwsize; - - switch (bank->chip_width) - { - case 4 : bufferwsize = buffersize / 4; break; - case 2 : bufferwsize = buffersize / 2; break; - case 1 : bufferwsize = buffersize; break; - default: - LOG_ERROR("Unsupported chip width %d", bank->chip_width); - return ERROR_FLASH_OPERATION_FAILED; - } - - bufferwsize/=(bank->bus_width / bank->chip_width); - - /* fall back to memory writes */ - while (count >= (uint32_t)bank->bus_width) - { - int fallback; - if ((write_p & 0xff) == 0) - { - LOG_INFO("Programming at %08" PRIx32 ", count %08" PRIx32 " bytes remaining", write_p, count); - } - fallback = 1; - if ((bufferwsize > 0) && (count >= buffersize) && !(write_p & buffermask)) - { - retval = cfi_write_words(bank, buffer, bufferwsize, write_p); - if (retval == ERROR_OK) - { - buffer += buffersize; - write_p += buffersize; - count -= buffersize; - fallback = 0; - } - } - /* try the slow way? */ - if (fallback) - { - for (i = 0; i < bank->bus_width; i++) - current_word[i] = 0; - - for (i = 0; i < bank->bus_width; i++) - { - cfi_add_byte(bank, current_word, *buffer++); - } - - retval = cfi_write_word(bank, current_word, write_p); - if (retval != ERROR_OK) - return retval; - - write_p += bank->bus_width; - count -= bank->bus_width; - } - } - } - else - return retval; - } - - /* return to read array mode, so we can read from flash again for padding */ - cfi_command(bank, 0xf0, current_word); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0xff, current_word); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) - { - return retval; - } - - /* handle unaligned tail bytes */ - if (count > 0) - { - LOG_INFO("Fixup %" PRId32 " unaligned tail bytes", count); - - copy_p = write_p; - for (i = 0; i < bank->bus_width; i++) - current_word[i] = 0; - - for (i = 0; (i < bank->bus_width) && (count > 0); ++i, ++copy_p) - { - cfi_add_byte(bank, current_word, *buffer++); - count--; - } - for (; i < bank->bus_width; ++i, ++copy_p) - { - uint8_t byte; - if ((retval = target_read_memory(target, copy_p, 1, 1, &byte)) != ERROR_OK) - { - return retval; - } - cfi_add_byte(bank, current_word, byte); - } - retval = cfi_write_word(bank, current_word, write_p); - if (retval != ERROR_OK) - return retval; - } - - /* return to read array mode */ - cfi_command(bank, 0xf0, current_word); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0xff, current_word); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); -} - -static void cfi_fixup_atmel_reversed_erase_regions(struct flash_bank *bank, void *param) -{ - (void) param; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - - pri_ext->_reversed_geometry = 1; -} - -static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, void *param) -{ - int i; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - (void) param; - - if ((pri_ext->_reversed_geometry) || (pri_ext->TopBottom == 3)) - { - LOG_DEBUG("swapping reversed erase region information on cmdset 0002 device"); - - for (i = 0; i < cfi_info->num_erase_regions / 2; i++) - { - int j = (cfi_info->num_erase_regions - 1) - i; - uint32_t swap; - - swap = cfi_info->erase_region_info[i]; - cfi_info->erase_region_info[i] = cfi_info->erase_region_info[j]; - cfi_info->erase_region_info[j] = swap; - } - } -} - -static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct cfi_unlock_addresses *unlock_addresses = param; - - pri_ext->_unlock1 = unlock_addresses->unlock1; - pri_ext->_unlock2 = unlock_addresses->unlock2; -} - - -static int cfi_query_string(struct flash_bank *bank, int address) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - int retval; - uint8_t command[8]; - - cfi_command(bank, 0x98, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, address), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_info->qry[0] = cfi_query_u8(bank, 0, 0x10); - cfi_info->qry[1] = cfi_query_u8(bank, 0, 0x11); - cfi_info->qry[2] = cfi_query_u8(bank, 0, 0x12); - - LOG_DEBUG("CFI qry returned: 0x%2.2x 0x%2.2x 0x%2.2x", cfi_info->qry[0], cfi_info->qry[1], cfi_info->qry[2]); - - if ((cfi_info->qry[0] != 'Q') || (cfi_info->qry[1] != 'R') || (cfi_info->qry[2] != 'Y')) - { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - LOG_ERROR("Could not probe bank: no QRY"); - return ERROR_FLASH_BANK_INVALID; - } - - return ERROR_OK; -} - -static int cfi_probe(struct flash_bank *bank) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint8_t command[8]; - int num_sectors = 0; - int i; - int sector = 0; - uint32_t unlock1 = 0x555; - uint32_t unlock2 = 0x2aa; - int retval; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - cfi_info->probed = 0; - - /* JEDEC standard JESD21C uses 0x5555 and 0x2aaa as unlock addresses, - * while CFI compatible AMD/Spansion flashes use 0x555 and 0x2aa - */ - if (cfi_info->jedec_probe) - { - unlock1 = 0x5555; - unlock2 = 0x2aaa; - } - - /* switch to read identifier codes mode ("AUTOSELECT") */ - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, unlock2), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - if (bank->chip_width == 1) - { - uint8_t manufacturer, device_id; - if ((retval = target_read_u8(target, flash_address(bank, 0, 0x00), &manufacturer)) != ERROR_OK) - { - return retval; - } - if ((retval = target_read_u8(target, flash_address(bank, 0, 0x01), &device_id)) != ERROR_OK) - { - return retval; - } - cfi_info->manufacturer = manufacturer; - cfi_info->device_id = device_id; - } - else if (bank->chip_width == 2) - { - if ((retval = target_read_u16(target, flash_address(bank, 0, 0x00), &cfi_info->manufacturer)) != ERROR_OK) - { - return retval; - } - if ((retval = target_read_u16(target, flash_address(bank, 0, 0x01), &cfi_info->device_id)) != ERROR_OK) - { - return retval; - } - } - - LOG_INFO("Flash Manufacturer/Device: 0x%04x 0x%04x", cfi_info->manufacturer, cfi_info->device_id); - /* switch back to read array mode */ - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - /* check device/manufacturer ID for known non-CFI flashes. */ - cfi_fixup_non_cfi(bank); - - /* query only if this is a CFI compatible flash, - * otherwise the relevant info has already been filled in - */ - if (cfi_info->not_cfi == 0) - { - int retval; - - /* enter CFI query mode - * according to JEDEC Standard No. 68.01, - * a single bus sequence with address = 0x55, data = 0x98 should put - * the device into CFI query mode. - * - * SST flashes clearly violate this, and we will consider them incompatbile for now - */ - - retval = cfi_query_string(bank, 0x55); - if (retval != ERROR_OK) - { - /* - * Spansion S29WS-N CFI query fix is to try 0x555 if 0x55 fails. Should - * be harmless enough: - * - * http://www.infradead.org/pipermail/linux-mtd/2005-September/013618.html - */ - LOG_USER("Try workaround w/0x555 instead of 0x55 to get QRY."); - retval = cfi_query_string(bank, 0x555); - } - if (retval != ERROR_OK) - return retval; - - cfi_info->pri_id = cfi_query_u16(bank, 0, 0x13); - cfi_info->pri_addr = cfi_query_u16(bank, 0, 0x15); - cfi_info->alt_id = cfi_query_u16(bank, 0, 0x17); - cfi_info->alt_addr = cfi_query_u16(bank, 0, 0x19); - - LOG_DEBUG("qry: '%c%c%c', pri_id: 0x%4.4x, pri_addr: 0x%4.4x, alt_id: 0x%4.4x, alt_addr: 0x%4.4x", cfi_info->qry[0], cfi_info->qry[1], cfi_info->qry[2], cfi_info->pri_id, cfi_info->pri_addr, cfi_info->alt_id, cfi_info->alt_addr); - - cfi_info->vcc_min = cfi_query_u8(bank, 0, 0x1b); - cfi_info->vcc_max = cfi_query_u8(bank, 0, 0x1c); - cfi_info->vpp_min = cfi_query_u8(bank, 0, 0x1d); - cfi_info->vpp_max = cfi_query_u8(bank, 0, 0x1e); - cfi_info->word_write_timeout_typ = cfi_query_u8(bank, 0, 0x1f); - cfi_info->buf_write_timeout_typ = cfi_query_u8(bank, 0, 0x20); - cfi_info->block_erase_timeout_typ = cfi_query_u8(bank, 0, 0x21); - cfi_info->chip_erase_timeout_typ = cfi_query_u8(bank, 0, 0x22); - cfi_info->word_write_timeout_max = cfi_query_u8(bank, 0, 0x23); - cfi_info->buf_write_timeout_max = cfi_query_u8(bank, 0, 0x24); - cfi_info->block_erase_timeout_max = cfi_query_u8(bank, 0, 0x25); - cfi_info->chip_erase_timeout_max = cfi_query_u8(bank, 0, 0x26); - - LOG_DEBUG("Vcc min: %1.1x.%1.1x, Vcc max: %1.1x.%1.1x, Vpp min: %1.1x.%1.1x, Vpp max: %1.1x.%1.1x", - (cfi_info->vcc_min & 0xf0) >> 4, cfi_info->vcc_min & 0x0f, - (cfi_info->vcc_max & 0xf0) >> 4, cfi_info->vcc_max & 0x0f, - (cfi_info->vpp_min & 0xf0) >> 4, cfi_info->vpp_min & 0x0f, - (cfi_info->vpp_max & 0xf0) >> 4, cfi_info->vpp_max & 0x0f); - LOG_DEBUG("typ. word write timeout: %u, typ. buf write timeout: %u, typ. block erase timeout: %u, typ. chip erase timeout: %u", 1 << cfi_info->word_write_timeout_typ, 1 << cfi_info->buf_write_timeout_typ, - 1 << cfi_info->block_erase_timeout_typ, 1 << cfi_info->chip_erase_timeout_typ); - LOG_DEBUG("max. word write timeout: %u, max. buf write timeout: %u, max. block erase timeout: %u, max. chip erase timeout: %u", (1 << cfi_info->word_write_timeout_max) * (1 << cfi_info->word_write_timeout_typ), - (1 << cfi_info->buf_write_timeout_max) * (1 << cfi_info->buf_write_timeout_typ), - (1 << cfi_info->block_erase_timeout_max) * (1 << cfi_info->block_erase_timeout_typ), - (1 << cfi_info->chip_erase_timeout_max) * (1 << cfi_info->chip_erase_timeout_typ)); - - cfi_info->dev_size = 1 << cfi_query_u8(bank, 0, 0x27); - cfi_info->interface_desc = cfi_query_u16(bank, 0, 0x28); - cfi_info->max_buf_write_size = cfi_query_u16(bank, 0, 0x2a); - cfi_info->num_erase_regions = cfi_query_u8(bank, 0, 0x2c); - - LOG_DEBUG("size: 0x%" PRIx32 ", interface desc: %i, max buffer write size: %x", cfi_info->dev_size, cfi_info->interface_desc, (1 << cfi_info->max_buf_write_size)); - - if (cfi_info->num_erase_regions) - { - cfi_info->erase_region_info = malloc(4 * cfi_info->num_erase_regions); - for (i = 0; i < cfi_info->num_erase_regions; i++) - { - cfi_info->erase_region_info[i] = cfi_query_u32(bank, 0, 0x2d + (4 * i)); - LOG_DEBUG("erase region[%i]: %" PRIu32 " blocks of size 0x%" PRIx32 "", - i, - (cfi_info->erase_region_info[i] & 0xffff) + 1, - (cfi_info->erase_region_info[i] >> 16) * 256); - } - } - else - { - cfi_info->erase_region_info = NULL; - } - - /* We need to read the primary algorithm extended query table before calculating - * the sector layout to be able to apply fixups - */ - switch (cfi_info->pri_id) - { - /* Intel command set (standard and extended) */ - case 0x0001: - case 0x0003: - cfi_read_intel_pri_ext(bank); - break; - /* AMD/Spansion, Atmel, ... command set */ - case 0x0002: - cfi_info->status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7; /* default for all CFI flashs */ - cfi_read_0002_pri_ext(bank); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - /* return to read array mode - * we use both reset commands, as some Intel flashes fail to recognize the 0xF0 command - */ - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - } /* end CFI case */ - - /* apply fixups depending on the primary command set */ - switch (cfi_info->pri_id) - { - /* Intel command set (standard and extended) */ - case 0x0001: - case 0x0003: - cfi_fixup(bank, cfi_0001_fixups); - break; - /* AMD/Spansion, Atmel, ... command set */ - case 0x0002: - cfi_fixup(bank, cfi_0002_fixups); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - if ((cfi_info->dev_size * bank->bus_width / bank->chip_width) != bank->size) - { - LOG_WARNING("configuration specifies 0x%" PRIx32 " size, but a 0x%" PRIx32 " size flash was found", bank->size, cfi_info->dev_size); - } - - if (cfi_info->num_erase_regions == 0) - { - /* a device might have only one erase block, spanning the whole device */ - bank->num_sectors = 1; - bank->sectors = malloc(sizeof(struct flash_sector)); - - bank->sectors[sector].offset = 0x0; - bank->sectors[sector].size = bank->size; - bank->sectors[sector].is_erased = -1; - bank->sectors[sector].is_protected = -1; - } - else - { - uint32_t offset = 0; - - for (i = 0; i < cfi_info->num_erase_regions; i++) - { - num_sectors += (cfi_info->erase_region_info[i] & 0xffff) + 1; - } - - bank->num_sectors = num_sectors; - bank->sectors = malloc(sizeof(struct flash_sector) * num_sectors); - - for (i = 0; i < cfi_info->num_erase_regions; i++) - { - uint32_t j; - for (j = 0; j < (cfi_info->erase_region_info[i] & 0xffff) + 1; j++) - { - bank->sectors[sector].offset = offset; - bank->sectors[sector].size = ((cfi_info->erase_region_info[i] >> 16) * 256) * bank->bus_width / bank->chip_width; - offset += bank->sectors[sector].size; - bank->sectors[sector].is_erased = -1; - bank->sectors[sector].is_protected = -1; - sector++; - } - } - if (offset != (cfi_info->dev_size * bank->bus_width / bank->chip_width)) - { - LOG_WARNING("CFI size is 0x%" PRIx32 ", but total sector size is 0x%" PRIx32 "", \ - (cfi_info->dev_size * bank->bus_width / bank->chip_width), offset); - } - } - - cfi_info->probed = 1; - - return ERROR_OK; -} - -static int cfi_auto_probe(struct flash_bank *bank) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - if (cfi_info->probed) - return ERROR_OK; - return cfi_probe(bank); -} - - -static int cfi_intel_protect_check(struct flash_bank *bank) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[CFI_MAX_BUS_WIDTH]; - int i; - - /* check if block lock bits are supported on this device */ - if (!(pri_ext->blk_status_reg_mask & 0x1)) - return ERROR_FLASH_OPERATION_FAILED; - - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - for (i = 0; i < bank->num_sectors; i++) - { - uint8_t block_status = cfi_get_u8(bank, i, 0x2); - - if (block_status & 1) - bank->sectors[i].is_protected = 1; - else - bank->sectors[i].is_protected = 0; - } - - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); -} - -static int cfi_spansion_protect_check(struct flash_bank *bank) -{ - int retval; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; - int i; - - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) - { - return retval; - } - - for (i = 0; i < bank->num_sectors; i++) - { - uint8_t block_status = cfi_get_u8(bank, i, 0x2); - - if (block_status & 1) - bank->sectors[i].is_protected = 1; - else - bank->sectors[i].is_protected = 0; - } - - cfi_command(bank, 0xf0, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); -} - -static int cfi_protect_check(struct flash_bank *bank) -{ - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if (cfi_info->qry[0] != 'Q') - return ERROR_FLASH_BANK_NOT_PROBED; - - switch (cfi_info->pri_id) - { - case 1: - case 3: - return cfi_intel_protect_check(bank); - break; - case 2: - return cfi_spansion_protect_check(bank); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - - return ERROR_OK; -} - -static int cfi_info(struct flash_bank *bank, char *buf, int buf_size) -{ - int printed; - struct cfi_flash_bank *cfi_info = bank->driver_priv; - - if (cfi_info->qry[0] == (char)-1) - { - printed = snprintf(buf, buf_size, "\ncfi flash bank not probed yet\n"); - return ERROR_OK; - } - - if (cfi_info->not_cfi == 0) - printed = snprintf(buf, buf_size, "\ncfi information:\n"); - else - printed = snprintf(buf, buf_size, "\nnon-cfi flash:\n"); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "\nmfr: 0x%4.4x, id:0x%4.4x\n", - cfi_info->manufacturer, cfi_info->device_id); - buf += printed; - buf_size -= printed; - - if (cfi_info->not_cfi == 0) - { - printed = snprintf(buf, buf_size, "qry: '%c%c%c', pri_id: 0x%4.4x, pri_addr: 0x%4.4x, alt_id: 0x%4.4x, alt_addr: 0x%4.4x\n", cfi_info->qry[0], cfi_info->qry[1], cfi_info->qry[2], cfi_info->pri_id, cfi_info->pri_addr, cfi_info->alt_id, cfi_info->alt_addr); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "Vcc min: %1.1x.%1.1x, Vcc max: %1.1x.%1.1x, Vpp min: %1.1x.%1.1x, Vpp max: %1.1x.%1.1x\n", - (cfi_info->vcc_min & 0xf0) >> 4, cfi_info->vcc_min & 0x0f, - (cfi_info->vcc_max & 0xf0) >> 4, cfi_info->vcc_max & 0x0f, - (cfi_info->vpp_min & 0xf0) >> 4, cfi_info->vpp_min & 0x0f, - (cfi_info->vpp_max & 0xf0) >> 4, cfi_info->vpp_max & 0x0f); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "typ. word write timeout: %u, typ. buf write timeout: %u, typ. block erase timeout: %u, typ. chip erase timeout: %u\n", - 1 << cfi_info->word_write_timeout_typ, - 1 << cfi_info->buf_write_timeout_typ, - 1 << cfi_info->block_erase_timeout_typ, - 1 << cfi_info->chip_erase_timeout_typ); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "max. word write timeout: %u, max. buf write timeout: %u, max. block erase timeout: %u, max. chip erase timeout: %u\n", - (1 << cfi_info->word_write_timeout_max) * (1 << cfi_info->word_write_timeout_typ), - (1 << cfi_info->buf_write_timeout_max) * (1 << cfi_info->buf_write_timeout_typ), - (1 << cfi_info->block_erase_timeout_max) * (1 << cfi_info->block_erase_timeout_typ), - (1 << cfi_info->chip_erase_timeout_max) * (1 << cfi_info->chip_erase_timeout_typ)); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "size: 0x%" PRIx32 ", interface desc: %i, max buffer write size: %x\n", - cfi_info->dev_size, - cfi_info->interface_desc, - 1 << cfi_info->max_buf_write_size); - buf += printed; - buf_size -= printed; - - switch (cfi_info->pri_id) - { - case 1: - case 3: - cfi_intel_info(bank, buf, buf_size); - break; - case 2: - cfi_spansion_info(bank, buf, buf_size); - break; - default: - LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id); - break; - } - } - - return ERROR_OK; -} - -struct flash_driver cfi_flash = { - .name = "cfi", - .flash_bank_command = &cfi_flash_bank_command, - .erase = &cfi_erase, - .protect = &cfi_protect, - .write = &cfi_write, - .probe = &cfi_probe, - .auto_probe = &cfi_auto_probe, - .erase_check = &default_flash_blank_check, - .protect_check = &cfi_protect_check, - .info = &cfi_info, - }; |