* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
* Note: These macros only work for KSEG0/KSEG1 addresses.
*/
-#define Virt2Phys(v) ((v) & 0x1FFFFFFF)
+#define Virt2Phys(v) ((v) & 0x1FFFFFFF)
/* pic32mx configuration register locations */
#define NVMKEY1 0xAA996655
#define NVMKEY2 0x556699AA
-struct pic32mx_flash_bank
-{
+struct pic32mx_flash_bank {
struct working_area *write_algorithm;
int probed;
};
struct pic32mx_flash_bank *pic32mx_info;
if (CMD_ARGC < 6)
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
pic32mx_info = malloc(sizeof(struct pic32mx_flash_bank));
bank->driver_priv = pic32mx_info;
uint32_t status;
/* wait for busy to clear */
- while (((status = pic32mx_get_flash_status(bank)) & NVMCON_NVMWR) && (timeout-- > 0))
- {
+ while (((status = pic32mx_get_flash_status(bank)) & NVMCON_NVMWR) && (timeout-- > 0)) {
LOG_DEBUG("status: 0x%" PRIx32, status);
alive_sleep(1);
}
int s;
int num_pages;
- if (target->state != TARGET_HALTED)
- {
+ 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 (Virt2Phys(bank->base) == PIC32MX_PHYS_BOOT_FLASH)
- {
+ num_pages = 0xffff; /* All pages protected */
+ else if (Virt2Phys(bank->base) == PIC32MX_PHYS_BOOT_FLASH) {
if (devcfg0 & (1 << 24))
- num_pages = 0; /* All pages unprotected */
+ num_pages = 0; /* All pages unprotected */
else
- num_pages = 0xffff; /* All pages protected */
- }
- else /* pgm flash */
+ 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++)
int i;
uint32_t status;
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
if ((first == 0) && (last == (bank->num_sectors - 1))
- && (Virt2Phys(bank->base) == PIC32MX_PHYS_PGM_FLASH))
- {
+ && (Virt2Phys(bank->base) == PIC32MX_PHYS_PGM_FLASH)) {
/* this will only erase the Program Flash (PFM), not the Boot Flash (BFM)
* we need to use the MTAP to perform a full erase */
LOG_DEBUG("Erasing entire program flash");
return ERROR_OK;
}
- for (i = first; i <= last; i++)
- {
+ for (i = first; i <= last; i++) {
target_write_u32(target, PIC32MX_NVMADDR, Virt2Phys(bank->base + bank->sectors[i].offset));
status = pic32mx_nvm_exec(bank, NVMCON_OP_PAGE_ERASE, 10);
{
struct target *target = bank->target;
- if (target->state != TARGET_HALTED)
- {
+ if (target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
0x1600FFFD, /* bne $s0, $zero, waitflash */
0x00000000, /* nop */
0x00000000, /* nop */
- 0x00000000, /* nop */
+ 0x00000000, /* nop */
0x00000000, /* nop */
0x00000000, /* nop */
0x8D510000, /* lw $s1, 0($t2) */
/* flash write code */
if (target_alloc_working_area(target, sizeof(pic32mx_flash_write_code),
- &pic32mx_info->write_algorithm) != ERROR_OK)
- {
+ &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),
- (uint8_t*)pic32mx_flash_write_code)) != ERROR_OK)
+ retval = target_write_buffer(target, pic32mx_info->write_algorithm->address,
+ sizeof(pic32mx_flash_write_code), (uint8_t *)pic32mx_flash_write_code);
+ if (retval != ERROR_OK)
return retval;
/* memory buffer */
- while (target_alloc_working_area_try(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)
- {
+ if (buffer_size <= 256) {
/* if we already allocated the writing code, but failed to get a
* buffer, free the algorithm */
if (pic32mx_info->write_algorithm)
init_reg_param(®_params[1], "a1", 32, PARAM_OUT);
init_reg_param(®_params[2], "a2", 32, PARAM_OUT);
- while (count > 0)
- {
+ while (count > 0) {
uint32_t status;
uint32_t thisrun_count = (count > (buffer_size / 4)) ?
(buffer_size / 4) : count;
- if ((retval = target_write_buffer(target, source->address,
- thisrun_count * 4, buffer)) != ERROR_OK)
+ 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, Virt2Phys(source->address));
buf_set_u32(reg_params[1].value, 0, 32, Virt2Phys(address));
buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
- if ((retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
+ retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
pic32mx_info->write_algorithm->address,
- 0,
- 10000, &mips32_info)) != ERROR_OK)
- {
+ 0, 10000, &mips32_info);
+ if (retval != ERROR_OK) {
LOG_ERROR("error executing pic32mx flash write algorithm");
retval = ERROR_FLASH_OPERATION_FAILED;
break;
status = buf_get_u32(reg_params[0].value, 0, 32);
- if (status & NVMCON_NVMERR)
- {
+ 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)
- {
+ if (status & NVMCON_LVDERR) {
LOG_ERROR("Flash write error LVDERR (status = 0x%08" PRIx32 ")", status);
retval = ERROR_FLASH_OPERATION_FAILED;
break;
uint32_t status;
int retval;
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
LOG_DEBUG("writing to flash at address 0x%08" PRIx32 " at offset 0x%8.8" PRIx32
" count: 0x%8.8" PRIx32 "", bank->base, offset, count);
- if (offset & 0x3)
- {
+ 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)
- {
+ 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)
- {
+ retval = pic32mx_write_block(bank, buffer, offset, words_remaining);
+ if (retval != 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)
- {
+ } else if (retval == ERROR_FLASH_OPERATION_FAILED) {
LOG_ERROR("flash writing failed");
return retval;
}
- }
- else
- {
+ } else {
buffer += words_remaining * 4;
address += words_remaining * 4;
words_remaining = 0;
}
}
- while (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)
- {
+ if (status & NVMCON_NVMERR) {
LOG_ERROR("Flash write error NVMERR (status = 0x%08" PRIx32 ")", status);
return ERROR_FLASH_OPERATION_FAILED;
}
- if (status & NVMCON_LVDERR)
- {
+ if (status & NVMCON_LVDERR) {
LOG_ERROR("Flash write error LVDERR (status = 0x%08" PRIx32 ")", status);
return ERROR_FLASH_OPERATION_FAILED;
}
address += 4;
}
- if (bytes_remaining)
- {
+ 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)
- {
+ if (status & NVMCON_NVMERR) {
LOG_ERROR("Flash write error NVMERR (status = 0x%08" PRIx32 ")", status);
return ERROR_FLASH_OPERATION_FAILED;
}
- if (status & NVMCON_LVDERR)
- {
+ if (status & NVMCON_LVDERR) {
LOG_ERROR("Flash write error LVDERR (status = 0x%08" PRIx32 ")", status);
return ERROR_FLASH_OPERATION_FAILED;
}
page_size = 4096;
- if (Virt2Phys(bank->base) == PIC32MX_PHYS_BOOT_FLASH)
- {
+ if (Virt2Phys(bank->base) == PIC32MX_PHYS_BOOT_FLASH) {
/* 0x1FC00000: Boot flash size */
#if 0
/* for some reason this register returns 8k for the boot bank size
/* fixed 12k boot bank - see comments above */
num_pages = (12 * 1024);
#endif
- }
- else
- {
+ } else {
/* read the flash size from the device */
if (target_read_u32(target, PIC32MX_BMXPFMSZ, &num_pages) != ERROR_OK) {
LOG_WARNING("PIC32MX flash size failed, probe inaccurate - assuming 512k flash");
LOG_INFO("flash size = %" PRId32 "kbytes", num_pages / 1024);
- if (bank->sectors)
- {
+ if (bank->sectors) {
free(bank->sectors);
bank->sectors = NULL;
}
bank->num_sectors = num_pages;
bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
- for (i = 0; i < (int)num_pages; i++)
- {
+ for (i = 0; i < (int)num_pages; i++) {
bank->sectors[i].offset = i * page_size;
bank->sectors[i].size = page_size;
bank->sectors[i].is_erased = -1;
return ERROR_FLASH_OPERATION_FAILED;
}
- for (i = 0; pic32mx_devs[i].name != NULL; i++)
- {
+ for (i = 0; pic32mx_devs[i].name != NULL; i++) {
if (pic32mx_devs[i].devid == (device_id & 0x0fffffff)) {
printed = snprintf(buf, buf_size, "PIC32MX%s", pic32mx_devs[i].name);
break;
}
}
- if (pic32mx_devs[i].name == NULL) {
+ if (pic32mx_devs[i].name == NULL)
printed = snprintf(buf, buf_size, "Unknown");
- }
buf += printed;
buf_size -= printed;
int status, res;
if (CMD_ARGC != 3)
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
if (ERROR_OK != retval)
return retval;
- if (address < bank->base || address >= (bank->base + bank->size))
- {
+ 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;
}
struct mips_ejtag *ejtag_info;
int timeout = 10;
- if (CMD_ARGC < 1)
- {
+ if (CMD_ARGC < 1) {
command_print(CMD_CTX, "pic32mx unlock <bank>");
return ERROR_COMMAND_SYNTAX_ERROR;
}
/* first check status of device */
mchip_cmd = MCHP_STATUS;
mips_ejtag_drscan_8(ejtag_info, &mchip_cmd);
- if (mchip_cmd & (1 << 7))
- {
+ if (mchip_cmd & (1 << 7)) {
/* device is not locked */
command_print(CMD_CTX, "pic32mx is already unlocked, erasing anyway");
}
do {
mchip_cmd = MCHP_STATUS;
mips_ejtag_drscan_8(ejtag_info, &mchip_cmd);
- if (timeout-- == 0)
- {
+ if (timeout-- == 0) {
LOG_DEBUG("timeout waiting for unlock: 0x%" PRIx32 "", mchip_cmd);
break;
}
projects / openocd / blobdiff