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Diffstat (limited to 'src/flash/pic32mx.c')
-rw-r--r--src/flash/pic32mx.c922
1 files changed, 0 insertions, 922 deletions
diff --git a/src/flash/pic32mx.c b/src/flash/pic32mx.c
deleted file mode 100644
index 9bb6c97e..00000000
--- a/src/flash/pic32mx.c
+++ /dev/null
@@ -1,922 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * Copyright (C) 2008 by John McCarthy *
- * jgmcc@magma.ca *
- * *
- * 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 "pic32mx.h"
-#include "mips32.h"
-
-
-static
-struct pic32mx_devs_s {
- uint8_t devid;
- char *name;
- uint32_t pfm_size;
-} pic32mx_devs[] = {
- { 0x78, "460F512L USB", 512 },
- { 0x74, "460F256L USB", 256 },
- { 0x6D, "440F128L USB", 128 },
- { 0x56, "440F512H USB", 512 },
- { 0x52, "440F256H USB", 256 },
- { 0x4D, "440F128H USB", 128 },
- { 0x42, "420F032H USB", 32 },
- { 0x38, "360F512L", 512 },
- { 0x34, "360F256L", 256 },
- { 0x2D, "340F128L", 128 },
- { 0x2A, "320F128L", 128 },
- { 0x16, "340F512H", 512 },
- { 0x12, "340F256H", 256 },
- { 0x0D, "340F128H", 128 },
- { 0x0A, "320F128H", 128 },
- { 0x06, "320F064H", 64 },
- { 0x02, "320F032H", 32 },
- { 0x00, NULL, 0 }
-};
-
-static int pic32mx_write_row(struct flash_bank *bank, uint32_t address, uint32_t srcaddr);
-static int pic32mx_write_word(struct flash_bank *bank, uint32_t address, uint32_t word);
-
-/* flash bank pic32mx <base> <size> 0 0 <target#>
- */
-FLASH_BANK_COMMAND_HANDLER(pic32mx_flash_bank_command)
-{
- struct pic32mx_flash_bank *pic32mx_info;
-
- if (CMD_ARGC < 6)
- {
- LOG_WARNING("incomplete flash_bank pic32mx configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- pic32mx_info = malloc(sizeof(struct pic32mx_flash_bank));
- bank->driver_priv = pic32mx_info;
-
- pic32mx_info->write_algorithm = NULL;
- pic32mx_info->probed = 0;
-
- return ERROR_OK;
-}
-
-static uint32_t pic32mx_get_flash_status(struct flash_bank *bank)
-{
- struct target *target = bank->target;
- uint32_t status;
-
- target_read_u32(target, PIC32MX_NVMCON, &status);
-
- return status;
-}
-
-static uint32_t pic32mx_wait_status_busy(struct flash_bank *bank, int timeout)
-{
- uint32_t status;
-
- /* wait for busy to clear */
- while (((status = pic32mx_get_flash_status(bank)) & NVMCON_NVMWR) && (timeout-- > 0))
- {
- LOG_DEBUG("status: 0x%" PRIx32, status);
- alive_sleep(1);
- }
- if (timeout <= 0)
- LOG_DEBUG("timeout: status: 0x%" PRIx32, status);
-
- return status;
-}
-
-static int pic32mx_nvm_exec(struct flash_bank *bank, uint32_t op, uint32_t timeout)
-{
- struct target *target = bank->target;
- uint32_t status;
-
- target_write_u32(target, PIC32MX_NVMCON, NVMCON_NVMWREN | op);
-
- /* unlock flash registers */
- target_write_u32(target, PIC32MX_NVMKEY, NVMKEY1);
- target_write_u32(target, PIC32MX_NVMKEY, NVMKEY2);
-
- /* start operation */
- target_write_u32(target, PIC32MX_NVMCONSET, NVMCON_NVMWR);
-
- status = pic32mx_wait_status_busy(bank, timeout);
-
- /* lock flash registers */
- target_write_u32(target, PIC32MX_NVMCONCLR, NVMCON_NVMWREN);
-
- return status;
-}
-
-static int pic32mx_protect_check(struct flash_bank *bank)
-{
- struct target *target = bank->target;
-
- uint32_t devcfg0;
- int s;
- int num_pages;
-
- if (target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- target_read_u32(target, PIC32MX_DEVCFG0, &devcfg0);
- if ((devcfg0 & (1 << 28)) == 0) /* code protect bit */
- num_pages = 0xffff; /* All pages protected */
- else if (bank->base == PIC32MX_KSEG1_BOOT_FLASH)
- {
- if (devcfg0 & (1 << 24))
- num_pages = 0; /* All pages unprotected */
- else
- num_pages = 0xffff; /* All pages protected */
- }
- else /* pgm flash */
- num_pages = (~devcfg0 >> 12) & 0xff;
- for (s = 0; s < bank->num_sectors && s < num_pages; s++)
- bank->sectors[s].is_protected = 1;
- for (; s < bank->num_sectors; s++)
- bank->sectors[s].is_protected = 0;
-
- return ERROR_OK;
-}
-
-static int pic32mx_erase(struct flash_bank *bank, int first, int last)
-{
- struct target *target = bank->target;
- int i;
- uint32_t status;
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if ((first == 0) && (last == (bank->num_sectors - 1)) && (bank->base == PIC32MX_KSEG0_PGM_FLASH || bank->base == PIC32MX_KSEG1_PGM_FLASH))
- {
- LOG_DEBUG("Erasing entire program flash");
- status = pic32mx_nvm_exec(bank, NVMCON_OP_PFM_ERASE, 50);
- if (status & NVMCON_NVMERR)
- return ERROR_FLASH_OPERATION_FAILED;
- if (status & NVMCON_LVDERR)
- return ERROR_FLASH_OPERATION_FAILED;
- return ERROR_OK;
- }
-
- for (i = first; i <= last; i++)
- {
- if (bank->base >= PIC32MX_KSEG1_PGM_FLASH)
- target_write_u32(target, PIC32MX_NVMADDR, KS1Virt2Phys(bank->base + bank->sectors[i].offset));
- else
- target_write_u32(target, PIC32MX_NVMADDR, KS0Virt2Phys(bank->base + bank->sectors[i].offset));
-
- status = pic32mx_nvm_exec(bank, NVMCON_OP_PAGE_ERASE, 10);
-
- if (status & NVMCON_NVMERR)
- return ERROR_FLASH_OPERATION_FAILED;
- if (status & NVMCON_LVDERR)
- return ERROR_FLASH_OPERATION_FAILED;
- bank->sectors[i].is_erased = 1;
- }
-
- return ERROR_OK;
-}
-
-static int pic32mx_protect(struct flash_bank *bank, int set, int first, int last)
-{
- struct pic32mx_flash_bank *pic32mx_info = NULL;
- struct target *target = bank->target;
-#if 0
- uint16_t prot_reg[4] = {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF};
- int i, reg, bit;
- int status;
- uint32_t protection;
-#endif
-
- pic32mx_info = bank->driver_priv;
-
- if (target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
-#if 0
- if ((first && (first % pic32mx_info->ppage_size)) || ((last + 1) && (last + 1) % pic32mx_info->ppage_size))
- {
- LOG_WARNING("sector start/end incorrect - stm32 has %dK sector protection", pic32mx_info->ppage_size);
- return ERROR_FLASH_SECTOR_INVALID;
- }
-
- /* medium density - each bit refers to a 4bank protection
- * high density - each bit refers to a 2bank protection */
- target_read_u32(target, PIC32MX_FLASH_WRPR, &protection);
-
- prot_reg[0] = (uint16_t)protection;
- prot_reg[1] = (uint16_t)(protection >> 8);
- prot_reg[2] = (uint16_t)(protection >> 16);
- prot_reg[3] = (uint16_t)(protection >> 24);
-
- if (pic32mx_info->ppage_size == 2)
- {
- /* high density flash */
-
- /* bit 7 controls sector 62 - 255 protection */
- if (last > 61)
- {
- if (set)
- prot_reg[3] &= ~(1 << 7);
- else
- prot_reg[3] |= (1 << 7);
- }
-
- if (first > 61)
- first = 62;
- if (last > 61)
- last = 61;
-
- for (i = first; i <= last; i++)
- {
- reg = (i / pic32mx_info->ppage_size) / 8;
- bit = (i / pic32mx_info->ppage_size) - (reg * 8);
-
- if (set)
- prot_reg[reg] &= ~(1 << bit);
- else
- prot_reg[reg] |= (1 << bit);
- }
- }
- else
- {
- /* medium density flash */
- for (i = first; i <= last; i++)
- {
- reg = (i / pic32mx_info->ppage_size) / 8;
- bit = (i / pic32mx_info->ppage_size) - (reg * 8);
-
- if (set)
- prot_reg[reg] &= ~(1 << bit);
- else
- prot_reg[reg] |= (1 << bit);
- }
- }
-
- if ((status = pic32mx_erase_options(bank)) != ERROR_OK)
- return status;
-
- pic32mx_info->option_bytes.protection[0] = prot_reg[0];
- pic32mx_info->option_bytes.protection[1] = prot_reg[1];
- pic32mx_info->option_bytes.protection[2] = prot_reg[2];
- pic32mx_info->option_bytes.protection[3] = prot_reg[3];
-
- return pic32mx_write_options(bank);
-#else
- return ERROR_OK;
-#endif
-}
-
-static int pic32mx_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
-{
- struct target *target = bank->target;
- uint32_t buffer_size = 512;
- struct working_area *source;
- uint32_t address = bank->base + offset;
- int retval = ERROR_OK;
-#if 0
- struct pic32mx_flash_bank *pic32mx_info = bank->driver_priv;
- struct armv7m_algorithm armv7m_info;
-
- uint8_t pic32mx_flash_write_code[] = {
- /* write: */
- 0xDF, 0xF8, 0x24, 0x40, /* ldr r4, PIC32MX_FLASH_CR */
- 0x09, 0x4D, /* ldr r5, PIC32MX_FLASH_SR */
- 0x4F, 0xF0, 0x01, 0x03, /* mov r3, #1 */
- 0x23, 0x60, /* str r3, [r4, #0] */
- 0x30, 0xF8, 0x02, 0x3B, /* ldrh r3, [r0], #2 */
- 0x21, 0xF8, 0x02, 0x3B, /* strh r3, [r1], #2 */
- /* busy: */
- 0x2B, 0x68, /* ldr r3, [r5, #0] */
- 0x13, 0xF0, 0x01, 0x0F, /* tst r3, #0x01 */
- 0xFB, 0xD0, /* beq busy */
- 0x13, 0xF0, 0x14, 0x0F, /* tst r3, #0x14 */
- 0x01, 0xD1, /* bne exit */
- 0x01, 0x3A, /* subs r2, r2, #1 */
- 0xED, 0xD1, /* bne write */
- /* exit: */
- 0xFE, 0xE7, /* b exit */
- 0x10, 0x20, 0x02, 0x40, /* PIC32MX_FLASH_CR: .word 0x40022010 */
- 0x0C, 0x20, 0x02, 0x40 /* PIC32MX_FLASH_SR: .word 0x4002200C */
- };
-
- /* flash write code */
- if (target_alloc_working_area(target, sizeof(pic32mx_flash_write_code), &pic32mx_info->write_algorithm) != ERROR_OK)
- {
- LOG_WARNING("no working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- };
-
- if ((retval = target_write_buffer(target, pic32mx_info->write_algorithm->address, sizeof(pic32mx_flash_write_code), pic32mx_flash_write_code)) != ERROR_OK)
- return retval;
-#endif
-
- /* memory buffer */
- if (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
- {
-#if 0
- /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */
- if (pic32mx_info->write_algorithm)
- target_free_working_area(target, pic32mx_info->write_algorithm);
-#endif
-
- LOG_WARNING("no large enough working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
-
- while (count >= buffer_size/4)
- {
- uint32_t status;
-
- if ((retval = target_write_buffer(target, source->address, buffer_size, buffer)) != ERROR_OK) {
- LOG_ERROR("Failed to write row buffer (%d words) to RAM", (int)(buffer_size/4));
- break;
- }
-
-#if 0
- 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, buffer_size/4);
-
- if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params, pic32mx_info->write_algorithm->address, \
- pic32mx_info->write_algorithm->address + (sizeof(pic32mx_flash_write_code) - 10), 10000, &armv7m_info)) != ERROR_OK)
- {
- LOG_ERROR("error executing pic32mx flash write algorithm");
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
-
- if (buf_get_u32(reg_params[3].value, 0, 32) & 0x14)
- {
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
-#endif
- status = pic32mx_write_row(bank, address, source->address);
- if (status & NVMCON_NVMERR) {
- LOG_ERROR("Flash write error NVMERR (status = 0x%08" PRIx32 ")", status);
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
- if (status & NVMCON_LVDERR) {
- LOG_ERROR("Flash write error LVDERR (status = 0x%08" PRIx32 ")", status);
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
-
- buffer += buffer_size;
- address += buffer_size;
- count -= buffer_size/4;
- }
-
- target_free_working_area(target, source);
-
- while (count > 0)
- {
- uint32_t value;
- memcpy(&value, buffer, sizeof(uint32_t));
-
- uint32_t status = pic32mx_write_word(bank, address, value);
- if (status & NVMCON_NVMERR) {
- LOG_ERROR("Flash write error NVMERR (status = 0x%08" PRIx32 ")", status);
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
- if (status & NVMCON_LVDERR) {
- LOG_ERROR("Flash write error LVDERR (status = 0x%08" PRIx32 ")", status);
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
-
- buffer += 4;
- address += 4;
- count--;
- }
-
- return retval;
-}
-
-static int pic32mx_write_word(struct flash_bank *bank, uint32_t address, uint32_t word)
-{
- struct target *target = bank->target;
-
- if (bank->base >= PIC32MX_KSEG1_PGM_FLASH)
- target_write_u32(target, PIC32MX_NVMADDR, KS1Virt2Phys(address));
- else
- target_write_u32(target, PIC32MX_NVMADDR, KS0Virt2Phys(address));
- target_write_u32(target, PIC32MX_NVMDATA, word);
-
- return pic32mx_nvm_exec(bank, NVMCON_OP_WORD_PROG, 5);
-}
-
-/*
- * Write a 128 word (512 byte) row to flash address from RAM srcaddr.
- */
-static int pic32mx_write_row(struct flash_bank *bank, uint32_t address, uint32_t srcaddr)
-{
- struct target *target = bank->target;
-
- LOG_DEBUG("addr: 0x%08" PRIx32 " srcaddr: 0x%08" PRIx32 "", address, srcaddr);
-
- if (address >= PIC32MX_KSEG1_PGM_FLASH)
- target_write_u32(target, PIC32MX_NVMADDR, KS1Virt2Phys(address));
- else
- target_write_u32(target, PIC32MX_NVMADDR, KS0Virt2Phys(address));
- if (srcaddr >= PIC32MX_KSEG1_RAM)
- target_write_u32(target, PIC32MX_NVMSRCADDR, KS1Virt2Phys(srcaddr));
- else
- target_write_u32(target, PIC32MX_NVMSRCADDR, KS0Virt2Phys(srcaddr));
-
- return pic32mx_nvm_exec(bank, NVMCON_OP_ROW_PROG, 100);
-}
-
-static int pic32mx_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
-{
- uint32_t words_remaining = (count / 4);
- uint32_t bytes_remaining = (count & 0x00000003);
- uint32_t address = bank->base + offset;
- uint32_t bytes_written = 0;
- uint32_t status;
- int retval;
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if (offset & 0x3)
- {
- LOG_WARNING("offset 0x%" PRIx32 "breaks required 4-byte alignment", offset);
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
- }
-
- /* multiple words (4-byte) to be programmed? */
- if (words_remaining > 0)
- {
- /* try using a block write */
- if ((retval = pic32mx_write_block(bank, buffer, offset, words_remaining)) != ERROR_OK)
- {
- if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
- {
- /* if block write failed (no sufficient working area),
- * we use normal (slow) single dword accesses */
- LOG_WARNING("couldn't use block writes, falling back to single memory accesses");
- }
- else if (retval == ERROR_FLASH_OPERATION_FAILED)
- {
- LOG_ERROR("flash writing failed with error code: 0x%x", retval);
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
- else
- {
- buffer += words_remaining * 4;
- address += words_remaining * 4;
- words_remaining = 0;
- }
- }
-
- while (words_remaining > 0)
- {
- uint32_t value;
- memcpy(&value, buffer + bytes_written, sizeof(uint32_t));
-
- status = pic32mx_write_word(bank, address, value);
- if (status & NVMCON_NVMERR)
- return ERROR_FLASH_OPERATION_FAILED;
- if (status & NVMCON_LVDERR)
- return ERROR_FLASH_OPERATION_FAILED;
-
- bytes_written += 4;
- words_remaining--;
- address += 4;
- }
-
- if (bytes_remaining)
- {
- uint32_t value = 0xffffffff;
- memcpy(&value, buffer + bytes_written, bytes_remaining);
-
- status = pic32mx_write_word(bank, address, value);
- if (status & NVMCON_NVMERR)
- return ERROR_FLASH_OPERATION_FAILED;
- if (status & NVMCON_LVDERR)
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- return ERROR_OK;
-}
-
-static int pic32mx_probe(struct flash_bank *bank)
-{
- struct target *target = bank->target;
- struct pic32mx_flash_bank *pic32mx_info = bank->driver_priv;
- struct mips32_common *mips32 = target->arch_info;
- struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
- int i;
- uint16_t num_pages = 0;
- uint32_t device_id;
- int page_size;
-
- pic32mx_info->probed = 0;
-
- device_id = ejtag_info->idcode;
- LOG_INFO("device id = 0x%08" PRIx32 " (manuf 0x%03x dev 0x%02x, ver 0x%03x)",
- device_id,
- (unsigned)((device_id >> 1)&0x7ff),
- (unsigned)((device_id >> 12)&0xff),
- (unsigned)((device_id >> 20)&0xfff));
-
- if (((device_id >> 1)&0x7ff) != PIC32MX_MANUF_ID) {
- LOG_WARNING("Cannot identify target as a PIC32MX family.");
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- page_size = 4096;
- if (bank->base == PIC32MX_KSEG1_BOOT_FLASH || bank->base == 1) {
- /* 0xBFC00000: Boot flash size fixed at 12k */
- num_pages = 12;
- } else {
- /* 0xBD000000: Program flash size varies with device */
- for (i = 0; pic32mx_devs[i].name != NULL; i++)
- if (pic32mx_devs[i].devid == ((device_id >> 12) & 0xff)) {
- num_pages = pic32mx_devs[i].pfm_size;
- break;
- }
- if (pic32mx_devs[i].name == NULL) {
- LOG_WARNING("Cannot identify target as a PIC32MX family.");
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
-
-#if 0
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- /* get flash size from target */
- if (target_read_u16(target, 0x1FFFF7E0, &num_pages) != ERROR_OK)
- {
- /* failed reading flash size, default to max target family */
- num_pages = 0xffff;
- }
-#endif
-
- LOG_INFO("flash size = %dkbytes", num_pages);
-
- /* calculate numbers of pages */
- num_pages /= (page_size / 1024);
-
- if (bank->base == 0) bank->base = PIC32MX_KSEG1_PGM_FLASH;
- if (bank->base == 1) bank->base = PIC32MX_KSEG1_BOOT_FLASH;
- bank->size = (num_pages * page_size);
- bank->num_sectors = num_pages;
- bank->chip_width = 4;
- bank->bus_width = 4;
- bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
-
- for (i = 0; i < num_pages; i++)
- {
- bank->sectors[i].offset = i * page_size;
- bank->sectors[i].size = page_size;
- bank->sectors[i].is_erased = -1;
- bank->sectors[i].is_protected = 1;
- }
-
- pic32mx_info->probed = 1;
-
- return ERROR_OK;
-}
-
-static int pic32mx_auto_probe(struct flash_bank *bank)
-{
- struct pic32mx_flash_bank *pic32mx_info = bank->driver_priv;
- if (pic32mx_info->probed)
- return ERROR_OK;
- return pic32mx_probe(bank);
-}
-
-#if 0
-COMMAND_HANDLER(pic32mx_handle_part_id_command)
-{
- return ERROR_OK;
-}
-#endif
-
-static int pic32mx_info(struct flash_bank *bank, char *buf, int buf_size)
-{
- struct target *target = bank->target;
- struct mips32_common *mips32 = target->arch_info;
- struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
- uint32_t device_id;
- int printed = 0, i;
-
- device_id = ejtag_info->idcode;
-
- if (((device_id >> 1)&0x7ff) != PIC32MX_MANUF_ID) {
- snprintf(buf, buf_size,
- "Cannot identify target as a PIC32MX family (manufacturer 0x%03d != 0x%03d)\n",
- (unsigned)((device_id >> 1)&0x7ff),
- PIC32MX_MANUF_ID);
- return ERROR_FLASH_OPERATION_FAILED;
- }
- for (i = 0; pic32mx_devs[i].name != NULL; i++)
- if (pic32mx_devs[i].devid == ((device_id >> 12) & 0xff)) {
- printed = snprintf(buf, buf_size, "PIC32MX%s", pic32mx_devs[i].name);
- break;
- }
- if (pic32mx_devs[i].name == NULL) {
- snprintf(buf, buf_size, "Cannot identify target as a PIC32MX family\n");
- return ERROR_FLASH_OPERATION_FAILED;
- }
- buf += printed;
- buf_size -= printed;
- printed = snprintf(buf, buf_size, " Ver: 0x%03x",
- (unsigned)((device_id >> 20)&0xfff));
-
- return ERROR_OK;
-}
-
-#if 0
-COMMAND_HANDLER(pic32mx_handle_lock_command)
-{
- struct target *target = NULL;
- struct pic32mx_flash_bank *pic32mx_info = NULL;
-
- if (CMD_ARGC < 1)
- {
- command_print(CMD_CTX, "pic32mx lock <bank>");
- return ERROR_OK;
- }
-
- struct flash_bank *bank;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
- return retval;
-
- pic32mx_info = bank->driver_priv;
-
- target = bank->target;
-
- if (target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if (pic32mx_erase_options(bank) != ERROR_OK)
- {
- command_print(CMD_CTX, "pic32mx failed to erase options");
- return ERROR_OK;
- }
-
- /* set readout protection */
- pic32mx_info->option_bytes.RDP = 0;
-
- if (pic32mx_write_options(bank) != ERROR_OK)
- {
- command_print(CMD_CTX, "pic32mx failed to lock device");
- return ERROR_OK;
- }
-
- command_print(CMD_CTX, "pic32mx locked");
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(pic32mx_handle_unlock_command)
-{
- struct target *target = NULL;
- struct pic32mx_flash_bank *pic32mx_info = NULL;
-
- if (CMD_ARGC < 1)
- {
- command_print(CMD_CTX, "pic32mx unlock <bank>");
- return ERROR_OK;
- }
-
- struct flash_bank *bank;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
- return retval;
-
- pic32mx_info = bank->driver_priv;
-
- target = bank->target;
-
- if (target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if (pic32mx_erase_options(bank) != ERROR_OK)
- {
- command_print(CMD_CTX, "pic32mx failed to unlock device");
- return ERROR_OK;
- }
-
- if (pic32mx_write_options(bank) != ERROR_OK)
- {
- command_print(CMD_CTX, "pic32mx failed to lock device");
- return ERROR_OK;
- }
-
- command_print(CMD_CTX, "pic32mx unlocked");
-
- return ERROR_OK;
-}
-#endif
-
-#if 0
-static int pic32mx_chip_erase(struct flash_bank *bank)
-{
- struct target *target = bank->target;
-#if 0
- uint32_t status;
-#endif
-
- if (target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- LOG_INFO("PIC32MX chip erase called");
-
-#if 0
- /* unlock option flash registers */
- target_write_u32(target, PIC32MX_FLASH_KEYR, KEY1);
- target_write_u32(target, PIC32MX_FLASH_KEYR, KEY2);
-
- /* chip erase flash memory */
- target_write_u32(target, PIC32MX_FLASH_CR, FLASH_MER);
- target_write_u32(target, PIC32MX_FLASH_CR, FLASH_MER | FLASH_STRT);
-
- status = pic32mx_wait_status_busy(bank, 10);
-
- target_write_u32(target, PIC32MX_FLASH_CR, FLASH_LOCK);
-
- if (status & FLASH_WRPRTERR)
- {
- LOG_ERROR("pic32mx device protected");
- return ERROR_OK;
- }
-
- if (status & FLASH_PGERR)
- {
- LOG_ERROR("pic32mx device programming failed");
- return ERROR_OK;
- }
-#endif
-
- return ERROR_OK;
-}
-#endif
-
-COMMAND_HANDLER(pic32mx_handle_chip_erase_command)
-{
-#if 0
- int i;
-
- if (CMD_ARGC != 0)
- {
- command_print(CMD_CTX, "pic32mx chip_erase");
- return ERROR_OK;
- }
-
- struct flash_bank *bank;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
- return retval;
-
- if (pic32mx_chip_erase(bank) == ERROR_OK)
- {
- /* set all sectors as erased */
- for (i = 0; i < bank->num_sectors; i++)
- {
- bank->sectors[i].is_erased = 1;
- }
-
- command_print(CMD_CTX, "pic32mx chip erase complete");
- }
- else
- {
- command_print(CMD_CTX, "pic32mx chip erase failed");
- }
-#endif
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(pic32mx_handle_pgm_word_command)
-{
- uint32_t address, value;
- int status, res;
-
- if (CMD_ARGC != 3)
- {
- command_print(CMD_CTX, "pic32mx pgm_word <addr> <value> <bank>");
- return ERROR_OK;
- }
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
-
- struct flash_bank *bank;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 2, &bank);
- if (ERROR_OK != retval)
- return retval;
-
- if (address < bank->base || address >= (bank->base + bank->size))
- {
- command_print(CMD_CTX, "flash address '%s' is out of bounds", CMD_ARGV[0]);
- return ERROR_OK;
- }
-
- res = ERROR_OK;
- status = pic32mx_write_word(bank, address, value);
- if (status & NVMCON_NVMERR)
- res = ERROR_FLASH_OPERATION_FAILED;
- if (status & NVMCON_LVDERR)
- res = ERROR_FLASH_OPERATION_FAILED;
-
- if (res == ERROR_OK)
- command_print(CMD_CTX, "pic32mx pgm word complete");
- else
- command_print(CMD_CTX, "pic32mx pgm word failed (status = 0x%x)", status);
-
- return ERROR_OK;
-}
-static const struct command_registration pic32mx_exec_command_handlers[] = {
- {
- .name = "chip_erase",
- .handler = &pic32mx_handle_chip_erase_command,
- .mode = COMMAND_EXEC,
- .help = "erase device",
- },
- {
- .name = "pgm_word",
- .handler = &pic32mx_handle_pgm_word_command,
- .mode = COMMAND_EXEC,
- .help = "program a word",
- },
- COMMAND_REGISTRATION_DONE
-};
-static const struct command_registration pic32mx_command_handlers[] = {
- {
- .name = "pic32mx",
- .mode = COMMAND_ANY,
- .help = "pic32mx flash command group",
- .chain = pic32mx_exec_command_handlers,
- },
- COMMAND_REGISTRATION_DONE
-};
-
-struct flash_driver pic32mx_flash = {
- .name = "pic32mx",
- .commands = pic32mx_command_handlers,
- .flash_bank_command = &pic32mx_flash_bank_command,
- .erase = &pic32mx_erase,
- .protect = &pic32mx_protect,
- .write = &pic32mx_write,
- .probe = &pic32mx_probe,
- .auto_probe = &pic32mx_auto_probe,
- .erase_check = &default_flash_mem_blank_check,
- .protect_check = &pic32mx_protect_check,
- .info = &pic32mx_info,
- };
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-20 06:15:50 +0000