diff --git a/src/flash/nor/kinetis.c b/src/flash/nor/kinetis.c index 31483cc67..51e7676fa 100644 --- a/src/flash/nor/kinetis.c +++ b/src/flash/nor/kinetis.c @@ -8,6 +8,9 @@ * Copyright (C) 2012 by Christopher D. Kilgour * * techie at whiterocker.com * * * + * Copyright (C) 2013 Nemui Trinomius * + * nemuisan_kawausogasuki@live.jp * + * * * 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 * @@ -29,7 +32,9 @@ #endif #include "imp.h" -#include "helper/binarybuffer.h" +#include +#include +#include /* * Implementation Notes @@ -84,6 +89,7 @@ * settings 0..3, so sector sizes and block counts are applicable * according to the following table. */ + const struct { unsigned pflash_sector_size_bytes; unsigned nvm_sector_size_bytes; @@ -106,18 +112,20 @@ const struct { #define SIM_FCFG2 0x40048050 /* Commands */ -#define FTFx_CMD_BLOCKSTAT 0x00 -#define FTFx_CMD_SECTSTAT 0x01 -#define FTFx_CMD_LWORDPROG 0x06 -#define FTFx_CMD_SECTERASE 0x09 -#define FTFx_CMD_SECTWRITE 0x0b +#define FTFx_CMD_BLOCKSTAT 0x00 +#define FTFx_CMD_SECTSTAT 0x01 +#define FTFx_CMD_LWORDPROG 0x06 +#define FTFx_CMD_SECTERASE 0x09 +#define FTFx_CMD_SECTWRITE 0x0b #define FTFx_CMD_SETFLEXRAM 0x81 +#define FTFx_CMD_MASSERASE 0x44 struct kinetis_flash_bank { unsigned granularity; unsigned bank_ordinal; uint32_t sector_size; uint32_t protection_size; + uint32_t klxx; uint32_t sim_sdid; uint32_t sim_fcfg1; @@ -149,8 +157,178 @@ FLASH_BANK_COMMAND_HANDLER(kinetis_flash_bank_command) return ERROR_OK; } -static int kinetis_protect(struct flash_bank *bank, int set, int first, - int last) +/* Kinetis Program-LongWord Microcodes */ +static const uint8_t kinetis_flash_write_code[] = { + /* Params: + * r0 - workarea buffer + * r1 - target address + * r2 - wordcount + * Clobbered: + * r4 - tmp + * r5 - tmp + * r6 - tmp + * r7 - tmp + */ + + /* .L1: */ + /* for(register uint32_t i=0;itarget; + uint32_t buffer_size = 2048; /* Default minimum value */ + struct working_area *write_algorithm; + struct working_area *source; + uint32_t address = bank->base + offset; + struct reg_param reg_params[3]; + struct armv7m_algorithm armv7m_info; + int retval = ERROR_OK; + + /* Params: + * r0 - workarea buffer + * r1 - target address + * r2 - wordcount + * Clobbered: + * r4 - tmp + * r5 - tmp + * r6 - tmp + * r7 - tmp + */ + + /* Increase buffer_size if needed */ + if (buffer_size < (target->working_area_size/2)) + buffer_size = (target->working_area_size/2); + + LOG_INFO("Kinetis: FLASH Write ..."); + + /* check code alignment */ + if (offset & 0x1) { + LOG_WARNING("offset 0x%" PRIx32 " breaks required 2-byte alignment", offset); + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + } + + /* allocate working area with flash programming code */ + if (target_alloc_working_area(target, sizeof(kinetis_flash_write_code), + &write_algorithm) != ERROR_OK) { + LOG_WARNING("no working area available, can't do block memory writes"); + return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; + } + + retval = target_write_buffer(target, write_algorithm->address, + sizeof(kinetis_flash_write_code), kinetis_flash_write_code); + if (retval != ERROR_OK) + return retval; + + /* memory buffer */ + while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) { + buffer_size /= 4; + if (buffer_size <= 256) { + /* free working area, write algorithm already allocated */ + target_free_working_area(target, write_algorithm); + + LOG_WARNING("No large enough working area available, can't do block memory writes"); + return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; + } + } + + armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; + armv7m_info.core_mode = ARM_MODE_THREAD; + + init_reg_param(®_params[0], "r0", 32, PARAM_OUT); /* *pLW (*buffer) */ + init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* faddr */ + init_reg_param(®_params[2], "r2", 32, PARAM_OUT); /* number of words to program */ + + /* write code buffer and use Flash programming code within kinetis */ + /* Set breakpoint to 0 with time-out of 1000 ms */ + while (wcount > 0) { + uint32_t thisrun_count = (wcount > (buffer_size / 4)) ? (buffer_size / 4) : wcount; + + retval = target_write_buffer(target, write_algorithm->address, 8, + kinetis_flash_write_code); + if (retval != ERROR_OK) + break; + + retval = target_write_buffer(target, source->address, thisrun_count * 4, buffer); + if (retval != ERROR_OK) + break; + + 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); + + retval = target_run_algorithm(target, 0, NULL, 3, reg_params, + write_algorithm->address, 0, 100000, &armv7m_info); + if (retval != ERROR_OK) { + LOG_ERROR("Error executing kinetis Flash programming algorithm"); + retval = ERROR_FLASH_OPERATION_FAILED; + break; + } + + buffer += thisrun_count * 4; + address += thisrun_count * 4; + wcount -= thisrun_count; + } + + target_free_working_area(target, source); + target_free_working_area(target, write_algorithm); + + destroy_reg_param(®_params[0]); + destroy_reg_param(®_params[1]); + destroy_reg_param(®_params[2]); + + return retval; +} + +static int kinetis_protect(struct flash_bank *bank, int set, int first, int last) { LOG_WARNING("kinetis_protect not supported yet"); /* FIXME: TODO */ @@ -219,8 +397,8 @@ static int kinetis_ftfx_command(struct flash_bank *bank, uint8_t fcmd, uint32_t uint8_t *ftfx_fstat) { uint8_t command[12] = {faddr & 0xff, (faddr >> 8) & 0xff, (faddr >> 16) & 0xff, fcmd, - fccob7, fccob6, fccob5, fccob4, - fccobb, fccoba, fccob9, fccob8}; + fccob7, fccob6, fccob5, fccob4, + fccobb, fccoba, fccob9, fccob8}; int result, i; uint8_t buffer; @@ -259,7 +437,7 @@ static int kinetis_ftfx_command(struct flash_bank *bank, uint8_t fcmd, uint32_t return result; /* wait for done */ - for (i = 0; i < 50; i++) { + for (i = 0; i < 240; i++) { /* Need Entire Erase Nemui Changed */ result = target_read_memory(bank->target, FTFx_FSTAT, 1, 1, ftfx_fstat); @@ -274,17 +452,50 @@ static int kinetis_ftfx_command(struct flash_bank *bank, uint8_t fcmd, uint32_t LOG_ERROR ("ftfx command failed FSTAT: %02X FCCOB: %02X%02X%02X%02X %02X%02X%02X%02X %02X%02X%02X%02X", *ftfx_fstat, command[3], command[2], command[1], command[0], - command[7], command[6], command[5], command[4], - command[11], command[10], command[9], command[8]); + command[7], command[6], command[5], command[4], + command[11], command[10], command[9], command[8]); return ERROR_FLASH_OPERATION_FAILED; } return ERROR_OK; } +static int kinetis_mass_erase(struct flash_bank *bank) +{ + int result; + uint8_t ftfx_fstat; + + if (bank->target->state != TARGET_HALTED) { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + /* check if whole bank is blank */ + LOG_INFO("Kinetis L Series Erase All Blocks"); + /* set command and sector address */ + result = kinetis_ftfx_command(bank, FTFx_CMD_MASSERASE, 0, + 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat); + /* Anyway Result, write unsecure byte */ + /* if (result != ERROR_OK) + return result;*/ + + /* Write to MCU security status unsecure in Flash security byte(Work around) */ + LOG_INFO("Write to MCU security status unsecure Anyway!"); + uint8_t padding[4] = {0xFE, 0xFF, 0xFF, 0xFF}; /* Write 0xFFFFFFFE */ + + result = kinetis_ftfx_command(bank, FTFx_CMD_LWORDPROG, (bank->base + 0x0000040C), + padding[3], padding[2], padding[1], padding[0], + 0, 0, 0, 0, &ftfx_fstat); + if (result != ERROR_OK) + return ERROR_FLASH_OPERATION_FAILED; + + return ERROR_OK; +} + static int kinetis_erase(struct flash_bank *bank, int first, int last) { int result, i; + struct kinetis_flash_bank *kinfo = bank->driver_priv; if (bank->target->state != TARGET_HALTED) { LOG_ERROR("Target not halted"); @@ -294,6 +505,9 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last) if ((first > bank->num_sectors) || (last > bank->num_sectors)) return ERROR_FLASH_OPERATION_FAILED; + if ((first == 0) && (last == (bank->num_sectors - 1)) && (kinfo->klxx)) + return kinetis_mass_erase(bank); + /* * FIXME: TODO: use the 'Erase Flash Block' command if the * requested erase is PFlash or NVM and encompasses the entire @@ -303,7 +517,7 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last) uint8_t ftfx_fstat; /* set command and sector address */ result = kinetis_ftfx_command(bank, FTFx_CMD_SECTERASE, bank->base + bank->sectors[i].offset, - 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat); + 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat); if (result != ERROR_OK) { LOG_WARNING("erase sector %d failed", i); @@ -328,13 +542,20 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, uint8_t buf[8]; uint32_t wc; struct kinetis_flash_bank *kinfo = bank->driver_priv; + uint8_t *new_buffer = NULL; if (bank->target->state != TARGET_HALTED) { LOG_ERROR("Target not halted"); return ERROR_TARGET_NOT_HALTED; } - if (kinfo->flash_class == FC_FLEX_NVM) { + if (kinfo->klxx) { + /* fallback to longword write */ + fallback = 1; + LOG_WARNING("Kinetis L Series supports Program Longword execution only."); + LOG_DEBUG("flash write into PFLASH @08%X", offset); + + } else if (kinfo->flash_class == FC_FLEX_NVM) { uint8_t ftfx_fstat; LOG_DEBUG("flash write into FlexNVM @%08X", offset); @@ -355,8 +576,7 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, /* fallback to longword write */ fallback = 1; - LOG_WARNING("ram not ready, fallback to slow longword write (FCNFG: %02X)", - buf[0]); + LOG_WARNING("ram not ready, fallback to slow longword write (FCNFG: %02X)", buf[0]); } } else { LOG_DEBUG("flash write into PFLASH @08%X", offset); @@ -374,7 +594,7 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, unsigned prog_section_chunk_bytes = kinfo->sector_size >> 8; /* assume the NVM sector size is half the FlexRAM size */ unsigned prog_size_bytes = MIN(kinfo->sector_size, - kinetis_flash_params[kinfo->granularity].nvm_sector_size_bytes); + kinetis_flash_params[kinfo->granularity].nvm_sector_size_bytes); for (i = 0; i < count; i += prog_size_bytes) { uint8_t residual_buffer[16]; uint8_t ftfx_fstat; @@ -417,7 +637,7 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, /* write data to flexram as whole-words */ result = target_write_memory(bank->target, FLEXRAM, 4, wc, - buffer + i); + buffer + i); if (result != ERROR_OK) { LOG_ERROR("target_write_memory failed"); @@ -427,9 +647,9 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, /* write the residual words to the flexram */ if (residual_wc) { result = target_write_memory(bank->target, - FLEXRAM+4*wc, - 4, residual_wc, - residual_buffer); + FLEXRAM+4*wc, + 4, residual_wc, + residual_buffer); if (result != ERROR_OK) { LOG_ERROR("target_write_memory failed"); @@ -439,29 +659,59 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, /* execute section-write command */ result = kinetis_ftfx_command(bank, FTFx_CMD_SECTWRITE, bank->base + offset + i, - section_count>>8, section_count, 0, 0, - 0, 0, 0, 0, &ftfx_fstat); + section_count>>8, section_count, 0, 0, + 0, 0, 0, 0, &ftfx_fstat); if (result != ERROR_OK) return ERROR_FLASH_OPERATION_FAILED; } } /* program longword command, not supported in "SF3" devices */ - else if (kinfo->granularity != 3) { - for (i = 0; i < count; i += 4) { - uint8_t ftfx_fstat; + else if ((kinfo->granularity != 3) || (kinfo->klxx)) { - LOG_DEBUG("write longword @ %08X", offset + i); - - uint8_t padding[4] = {0xff, 0xff, 0xff, 0xff}; - memcpy(padding, buffer + i, MIN(4, count-i)); - result = kinetis_ftfx_command(bank, FTFx_CMD_LWORDPROG, bank->base + offset + i, - padding[3], padding[2], padding[1], padding[0], - 0, 0, 0, 0, &ftfx_fstat); - - if (result != ERROR_OK) - return ERROR_FLASH_OPERATION_FAILED; + if (count & 0x3) { + uint32_t old_count = count; + count = (old_count | 3) + 1; + new_buffer = malloc(count); + if (new_buffer == NULL) { + LOG_ERROR("odd number of bytes to write and no memory " + "for padding buffer"); + return ERROR_FAIL; + } + LOG_INFO("odd number of bytes to write (%d), extending to %d " + "and padding with 0xff", old_count, count); + memset(buffer, 0xff, count); + buffer = memcpy(new_buffer, buffer, old_count); } + + uint32_t words_remaining = count / 4; + + /* try using a block write */ + int retval = kinetis_write_block(bank, buffer, offset, words_remaining); + + if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) { + /* if block write failed (no sufficient working area), + * we use normal (slow) single word accesses */ + LOG_WARNING("couldn't use block writes, falling back to single " + "memory accesses"); + + for (i = 0; i < count; i += 4) { + uint8_t ftfx_fstat; + + LOG_DEBUG("write longword @ %08X", offset + i); + + uint8_t padding[4] = {0xff, 0xff, 0xff, 0xff}; + memcpy(padding, buffer + i, MIN(4, count-i)); + + result = kinetis_ftfx_command(bank, FTFx_CMD_LWORDPROG, bank->base + offset + i, + padding[3], padding[2], padding[1], padding[0], + 0, 0, 0, 0, &ftfx_fstat); + + if (result != ERROR_OK) + return ERROR_FLASH_OPERATION_FAILED; + } + } + } else { LOG_ERROR("Flash write strategy not implemented"); return ERROR_FLASH_OPERATION_FAILED; @@ -473,33 +723,38 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, static int kinetis_read_part_info(struct flash_bank *bank) { int result, i; - uint8_t buf[4]; uint32_t offset = 0; uint8_t fcfg1_nvmsize, fcfg1_pfsize, fcfg1_eesize, fcfg2_pflsh; uint32_t nvm_size = 0, pf_size = 0, ee_size = 0; unsigned granularity, num_blocks = 0, num_pflash_blocks = 0, num_nvm_blocks = 0, first_nvm_bank = 0, reassign = 0; + struct target *target = bank->target; struct kinetis_flash_bank *kinfo = bank->driver_priv; - result = target_read_memory(bank->target, SIM_SDID, 1, 4, buf); + result = target_read_u32(target, SIM_SDID, &kinfo->sim_sdid); if (result != ERROR_OK) return result; - kinfo->sim_sdid = target_buffer_get_u32(bank->target, buf); - granularity = (kinfo->sim_sdid >> 7) & 0x03; - result = target_read_memory(bank->target, SIM_FCFG1, 1, 4, buf); - if (result != ERROR_OK) - return result; - kinfo->sim_fcfg1 = target_buffer_get_u32(bank->target, buf); + /* Kinetis L Series SubFamily Check */ + kinfo->klxx = 0; + i = (kinfo->sim_sdid >> 20) & 0x0F; + if (i == 1) { + kinfo->klxx = 1; + granularity = 0; + } else + granularity = (kinfo->sim_sdid >> 7) & 0x03; - result = target_read_memory(bank->target, SIM_FCFG2, 1, 4, buf); + result = target_read_u32(target, SIM_FCFG1, &kinfo->sim_fcfg1); + if (result != ERROR_OK) + return result; + + result = target_read_u32(target, SIM_FCFG2, &kinfo->sim_fcfg2); if (result != ERROR_OK) return result; - kinfo->sim_fcfg2 = target_buffer_get_u32(bank->target, buf); fcfg2_pflsh = (kinfo->sim_fcfg2 >> 23) & 0x01; - LOG_DEBUG("SDID: %08X FCFG1: %08X FCFG2: %08X", kinfo->sim_sdid, - kinfo->sim_fcfg1, kinfo->sim_fcfg2); + LOG_DEBUG("SDID: 0x%08X FCFG1: 0x%08X FCFG2: 0x%08X", kinfo->sim_sdid, + kinfo->sim_fcfg1, kinfo->sim_fcfg2); fcfg1_nvmsize = (uint8_t)((kinfo->sim_fcfg1 >> 28) & 0x0f); fcfg1_pfsize = (uint8_t)((kinfo->sim_fcfg1 >> 24) & 0x0f); @@ -568,14 +823,17 @@ static int kinetis_read_part_info(struct flash_bank *bank) LOG_DEBUG("FlexNVM: %d PFlash: %d FlexRAM: %d PFLSH: %d", nvm_size, pf_size, ee_size, fcfg2_pflsh); + if (kinfo->klxx) + num_blocks = 1; + else + num_blocks = kinetis_flash_params[granularity].num_blocks; - num_blocks = kinetis_flash_params[granularity].num_blocks; num_pflash_blocks = num_blocks / (2 - fcfg2_pflsh); first_nvm_bank = num_pflash_blocks; num_nvm_blocks = num_blocks - num_pflash_blocks; LOG_DEBUG("%d blocks total: %d PFlash, %d FlexNVM", - num_blocks, num_pflash_blocks, num_nvm_blocks); + num_blocks, num_pflash_blocks, num_nvm_blocks); /* * If the flash class is already assigned, verify the @@ -592,8 +850,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) switch (kinfo->flash_class) { case FC_PFLASH: if (kinfo->bank_ordinal >= first_nvm_bank) { - LOG_WARNING("Class mismatch, bank %d is not PFlash", - bank->bank_number); + LOG_WARNING("Class mismatch, bank %d is not PFlash", bank->bank_number); reassign = 1; } else if (bank->size != (pf_size / num_pflash_blocks)) { LOG_WARNING("PFlash size mismatch"); @@ -603,7 +860,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) LOG_WARNING("PFlash address range mismatch"); reassign = 1; } else if (kinfo->sector_size != - kinetis_flash_params[granularity].pflash_sector_size_bytes) { + kinetis_flash_params[granularity].pflash_sector_size_bytes) { LOG_WARNING("PFlash sector size mismatch"); reassign = 1; } else { @@ -613,19 +870,18 @@ static int kinetis_read_part_info(struct flash_bank *bank) break; case FC_FLEX_NVM: if ((kinfo->bank_ordinal >= num_blocks) || - (kinfo->bank_ordinal < first_nvm_bank)) { - LOG_WARNING("Class mismatch, bank %d is not FlexNVM", - bank->bank_number); + (kinfo->bank_ordinal < first_nvm_bank)) { + LOG_WARNING("Class mismatch, bank %d is not FlexNVM", bank->bank_number); reassign = 1; } else if (bank->size != (nvm_size / num_nvm_blocks)) { LOG_WARNING("FlexNVM size mismatch"); reassign = 1; } else if (bank->base != - (0x10000000 + bank->size * kinfo->bank_ordinal)) { + (0x10000000 + bank->size * kinfo->bank_ordinal)) { LOG_WARNING("FlexNVM address range mismatch"); reassign = 1; } else if (kinfo->sector_size != - kinetis_flash_params[granularity].nvm_sector_size_bytes) { + kinetis_flash_params[granularity].nvm_sector_size_bytes) { LOG_WARNING("FlexNVM sector size mismatch"); reassign = 1; } else { @@ -635,8 +891,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) break; case FC_FLEX_RAM: if (kinfo->bank_ordinal != num_blocks) { - LOG_WARNING("Class mismatch, bank %d is not FlexRAM", - bank->bank_number); + LOG_WARNING("Class mismatch, bank %d is not FlexRAM", bank->bank_number); reassign = 1; } else if (bank->size != ee_size) { LOG_WARNING("FlexRAM size mismatch"); @@ -649,8 +904,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) LOG_WARNING("FlexRAM sector size mismatch"); reassign = 1; } else { - LOG_DEBUG("FlexRAM bank %d already configured okay", - kinfo->bank_ordinal); + LOG_DEBUG("FlexRAM bank %d already configured okay", kinfo->bank_ordinal); } break; @@ -689,7 +943,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) return ERROR_FLASH_OPER_UNSUPPORTED; } else { LOG_ERROR("Cannot determine parameters for bank %d, only %d banks on device", - bank->bank_number, num_blocks); + bank->bank_number, num_blocks); return ERROR_FLASH_BANK_INVALID; } @@ -798,7 +1052,7 @@ static int kinetis_blank_check(struct flash_bank *bank) } static int kinetis_flash_read(struct flash_bank *bank, - uint8_t *buffer, uint32_t offset, uint32_t count) + uint8_t *buffer, uint32_t offset, uint32_t count) { LOG_WARNING("kinetis_flash_read not supported yet");