X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fcfi.c;h=4ef41b9ad72f6dcf437400841a10e28877225405;hb=737c9b6258c6e68714ae264ff36126eb5d382d6a;hp=cffc22a0f52790029de1ece1feed7d6a5d0996c4;hpb=e51b9a4ac7afa0fde11690268ba88861e1000f60;p=openocd.git diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c index cffc22a0f5..4ef41b9ad7 100644 --- a/src/flash/nor/cfi.c +++ b/src/flash/nor/cfi.c @@ -3,6 +3,7 @@ * Dominic.Rath@gmx.de * * Copyright (C) 2009 Michael Schwingen * * michael@schwingen.org * + * Copyright (C) 2010 Øyvind Harboe * * * * 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 * @@ -26,7 +27,7 @@ #include "imp.h" #include "cfi.h" #include "non_cfi.h" -#include +#include #include #include @@ -132,6 +133,14 @@ static void cfi_command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf) } } +static int cfi_send_command(struct flash_bank *bank, uint8_t cmd, uint32_t address) +{ + uint8_t command[CFI_MAX_BUS_WIDTH]; + + cfi_command(bank, cmd, command); + return target_write_memory(bank->target, address, bank->bus_width, 1, command); +} + /* 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 @@ -226,7 +235,6 @@ static uint32_t cfi_query_u32(struct flash_bank *bank, int sector, uint32_t offs 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) { @@ -234,11 +242,10 @@ static void cfi_intel_clear_status_register(struct flash_bank *bank) exit(-1); } - cfi_command(bank, 0x50, command); - target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + cfi_send_command(bank, 0x50, flash_address(bank, 0, 0x0)); } -uint8_t cfi_intel_wait_status_busy(struct flash_bank *bank, int timeout) +static uint8_t cfi_intel_wait_status_busy(struct flash_bank *bank, int timeout) { uint8_t status; @@ -279,7 +286,7 @@ uint8_t cfi_intel_wait_status_busy(struct flash_bank *bank, int timeout) return status; } -int cfi_spansion_wait_status_busy(struct flash_bank *bank, int timeout) +static 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; @@ -319,8 +326,6 @@ 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; @@ -330,13 +335,11 @@ static int cfi_read_intel_pri_ext(struct flash_bank *bank) 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -361,7 +364,7 @@ static int cfi_read_intel_pri_ext(struct flash_bank *bank) 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", + LOG_DEBUG("Vcc opt: %x.%x, Vpp opt: %u.%x", (pri_ext->vcc_optimal & 0xf0) >> 4, pri_ext->vcc_optimal & 0x0f, (pri_ext->vpp_optimal & 0xf0) >> 4, pri_ext->vpp_optimal & 0x0f); @@ -385,8 +388,6 @@ 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; @@ -396,8 +397,7 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank) 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -431,7 +431,7 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank) 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", + LOG_DEBUG("Vpp min: %u.%x, Vpp max: %u.%x", (pri_ext->VppMin & 0xf0) >> 4, pri_ext->VppMin & 0x0f, (pri_ext->VppMax & 0xf0) >> 4, pri_ext->VppMax & 0x0f); @@ -451,8 +451,6 @@ static int cfi_read_atmel_pri_ext(struct flash_bank *bank) 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. @@ -469,8 +467,7 @@ static int cfi_read_atmel_pri_ext(struct flash_bank *bank) 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -554,7 +551,7 @@ static int cfi_spansion_info(struct flash_bank *bank, char *buf, int buf_size) buf += printed; buf_size -= printed; - printed = snprintf(buf, buf_size, "VppMin: %2.2d.%1.1x, VppMax: %2.2d.%1.1x\n", + printed = snprintf(buf, buf_size, "VppMin: %u.%x, VppMax: %u.%x\n", (pri_ext->VppMin & 0xf0) >> 4, pri_ext->VppMin & 0x0f, (pri_ext->VppMax & 0xf0) >> 4, pri_ext->VppMax & 0x0f); @@ -579,7 +576,7 @@ static int cfi_intel_info(struct flash_bank *bank, char *buf, int buf_size) buf += printed; buf_size -= printed; - printed = snprintf(buf, buf_size, "Vcc opt: %1.1x.%1.1x, Vpp opt: %1.1x.%1.1x\n", + printed = snprintf(buf, buf_size, "Vcc opt: %x.%x, Vpp opt: %u.%x\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; @@ -602,12 +599,8 @@ FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command) 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)) + if ((bank->chip_width > CFI_MAX_CHIP_WIDTH) + || (bank->bus_width > CFI_MAX_BUS_WIDTH)) { LOG_ERROR("chip and bus width have to specified in bytes"); return ERROR_FLASH_BANK_INVALID; @@ -647,22 +640,18 @@ 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) + if ((retval = cfi_send_command(bank, 0x20, flash_address(bank, i, 0x0))) != 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) + if ((retval = cfi_send_command(bank, 0xd0, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -671,8 +660,7 @@ static int cfi_intel_erase(struct flash_bank *bank, int first, int last) 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -682,9 +670,7 @@ static int cfi_intel_erase(struct flash_bank *bank, int first, int last) } } - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) @@ -692,44 +678,36 @@ 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) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != 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) + if ((retval = cfi_send_command(bank, 0x80, flash_address(bank, 0, pri_ext->_unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != 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) + if ((retval = cfi_send_command(bank, 0x30, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -738,8 +716,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -749,8 +726,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) } } - cfi_command(bank, 0xf0, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0)); } static int cfi_erase(struct flash_bank *bank, int first, int last) @@ -793,8 +769,8 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la 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]; + struct target *target = bank->target; /* FIXME: to be removed */ + uint8_t command[CFI_MAX_BUS_WIDTH]; /* FIXME: to be removed */ int retry = 0; int i; @@ -808,17 +784,17 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la for (i = first; i <= last; i++) { - cfi_command(bank, 0x60, command); + cfi_command(bank, 0x60, command); /* FIXME: to be removed */ 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) + if ((retval = cfi_send_command(bank, 0x60, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } if (set) { - cfi_command(bank, 0x01, command); + cfi_command(bank, 0x01, command); /* FIXME: to be removed */ 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) + if ((retval = cfi_send_command(bank, 0x01, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -826,9 +802,9 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la } else { - cfi_command(bank, 0xd0, command); + cfi_command(bank, 0xd0, command); /* FIXME: to be removed */ 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) + if ((retval = cfi_send_command(bank, 0xd0, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -845,8 +821,7 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la { 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) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, 0x55))) != ERROR_OK) { return retval; } @@ -855,8 +830,7 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la 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) + if ((retval = cfi_send_command(bank, 0x70, flash_address(bank, 0, 0x55))) != ERROR_OK) { return retval; } @@ -878,20 +852,29 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la */ if ((!set) && (!(pri_ext->feature_support & 0x20))) { + /* FIX!!! this code path is broken!!! + * + * The correct approach is: + * + * 1. read out current protection status + * + * 2. override read out protection status w/unprotected. + * + * 3. re-protect what should be protected. + * + */ 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) + if ((retval = cfi_send_command(bank, 0x60, flash_address(bank, i, 0x0))) != 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) + if ((retval = cfi_send_command(bank, 0x01, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -901,8 +884,7 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la } } - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static int cfi_protect(struct flash_bank *bank, int set, int first, int last) @@ -917,6 +899,7 @@ static int cfi_protect(struct flash_bank *bank, int set, int first, int last) if ((first < 0) || (last < first) || (last >= bank->num_sectors)) { + LOG_ERROR("Invalid sector range"); return ERROR_FLASH_SECTOR_INVALID; } @@ -927,14 +910,12 @@ static int cfi_protect(struct flash_bank *bank, int set, int first, int last) { case 1: case 3: - cfi_intel_protect(bank, set, first, last); + return 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_FAIL; } - - return ERROR_OK; } /* FIXME Replace this by a simple memcpy() - still unsure about sideeffects */ @@ -1012,7 +993,7 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer, uint3 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 arm_algorithm armv4_5_info; struct working_area *source; uint32_t buffer_size = 32768; uint32_t write_command_val, busy_pattern_val, error_pattern_val; @@ -1146,7 +1127,7 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer, uint3 /* 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) + while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) { buffer_size /= 2; if (buffer_size <= 256) @@ -1171,7 +1152,7 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer, uint3 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); + LOG_DEBUG("Using target buffer at 0x%08" PRIx32 " and of size 0x%04" PRIx32, source->address, buffer_size); /* Programming main loop */ while (count > 0) @@ -1192,7 +1173,7 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer, uint3 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); + LOG_DEBUG("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, @@ -1257,7 +1238,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer, ui 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 arm_algorithm armv4_5_info; struct working_area *source; uint32_t buffer_size = 32768; uint32_t status; @@ -1474,7 +1455,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer, ui } /* the following code still assumes target code is fixed 24*4 bytes */ - while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) + while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) { buffer_size /= 2; if (buffer_size <= 256) @@ -1555,11 +1536,9 @@ static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t 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) + if ((retval = cfi_send_command(bank, 0x40, address)) != ERROR_OK) { return retval; } @@ -1571,8 +1550,7 @@ static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1589,7 +1567,6 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ 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); @@ -1627,15 +1604,13 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ 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) + if ((retval = cfi_send_command(bank, 0xe8, address)) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1645,8 +1620,7 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ } /* 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) + if ((retval = cfi_send_command(bank, bufferwsize-1, address)) != ERROR_OK) { return retval; } @@ -1657,15 +1631,13 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ } /* Commit write operation */ - cfi_command(bank, 0xd0, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xd0, address)) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1683,22 +1655,18 @@ static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint3 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) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != 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) + if ((retval = cfi_send_command(bank, 0xa0, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } @@ -1710,8 +1678,7 @@ static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint3 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1728,7 +1695,6 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint 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 */ @@ -1762,28 +1728,24 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint } // 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) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != 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) + if ((retval = cfi_send_command(bank, 0x25, address)) != 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) + if ((retval = cfi_send_command(bank, bufferwsize-1, address)) != ERROR_OK) { return retval; } @@ -1794,16 +1756,14 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint } /* Commit write operation */ - cfi_command(bank, 0x29, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x29, address)) != 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1857,7 +1817,7 @@ static int cfi_write_words(struct flash_bank *bank, uint8_t *word, uint32_t word return ERROR_FLASH_OPERATION_FAILED; } -int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count) +static 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; @@ -2017,13 +1977,11 @@ int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_ } /* 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2057,13 +2015,11 @@ int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_ } /* 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != 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); + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static void cfi_fixup_atmel_reversed_erase_regions(struct flash_bank *bank, void *param) @@ -2112,12 +2068,9 @@ static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param 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) + if ((retval = cfi_send_command(bank, 0x98, flash_address(bank, 0, address))) != ERROR_OK) { return retval; } @@ -2130,13 +2083,11 @@ static int cfi_query_string(struct flash_bank *bank, int address) 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2151,7 +2102,6 @@ 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; @@ -2177,18 +2127,15 @@ static int cfi_probe(struct flash_bank *bank) } /* 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) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, unlock2))) != 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) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, unlock1))) != ERROR_OK) { return retval; } @@ -2221,13 +2168,11 @@ static int cfi_probe(struct flash_bank *bank) 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x00))) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x00))) != ERROR_OK) { return retval; } @@ -2285,7 +2230,7 @@ static int cfi_probe(struct flash_bank *bank) 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", + LOG_DEBUG("Vcc min: %x.%x, Vcc max: %x.%x, Vpp min: %u.%x, Vpp max: %u.%x", (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, @@ -2344,13 +2289,11 @@ static int cfi_probe(struct flash_bank *bank) /* 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) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != 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) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2440,16 +2383,13 @@ 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) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, 0x55))) != ERROR_OK) { return retval; } @@ -2464,8 +2404,7 @@ static int cfi_intel_protect_check(struct flash_bank *bank) 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); + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static int cfi_spansion_protect_check(struct flash_bank *bank) @@ -2473,24 +2412,19 @@ 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) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != 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) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != 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) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } @@ -2505,8 +2439,7 @@ static int cfi_spansion_protect_check(struct flash_bank *bank) 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); + return cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0)); } static int cfi_protect_check(struct flash_bank *bank) @@ -2568,7 +2501,7 @@ static int cfi_info(struct flash_bank *bank, char *buf, int buf_size) 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", + printed = snprintf(buf, buf_size, "Vcc min: %x.%x, Vcc max: %x.%x, Vpp min: %u.%x, Vpp max: %u.%x\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, @@ -2618,14 +2551,14 @@ static int cfi_info(struct flash_bank *bank, char *buf, int buf_size) } 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, - }; + .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, +};