diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/iteflash.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/util/iteflash.c b/util/iteflash.c index b74f1d3ca6..62bf8b8de2 100644 --- a/util/iteflash.c +++ b/util/iteflash.c @@ -283,6 +283,34 @@ static int check_chipid(struct ftdi_context *ftdi) return 0; } +/* DBGR Reset*/ +static int dbgr_reset(struct ftdi_context *ftdi) +{ + int ret = 0; + + ret |= i2c_write_byte(ftdi, 0x27, 0x80); + if (ret < 0) + printf("DBGR RESET FAILED\n"); + + return 0; +} + +/* Do WatchDog Reset*/ +static int do_watchdog_reset(struct ftdi_context *ftdi) +{ + int ret = 0; + + ret |= i2c_write_byte(ftdi, 0x2f, 0x20); + ret |= i2c_write_byte(ftdi, 0x2e, 0x06); + ret |= i2c_write_byte(ftdi, 0x30, 0x44); + ret |= i2c_write_byte(ftdi, 0x27, 0x80); + + if (ret < 0) + printf("WATCHDOG RESET FAILED\n"); + + return 0; +} + /* Enter follow mode and FSCE# high level */ static int spi_flash_follow_mode(struct ftdi_context *ftdi, char *desc) { @@ -1034,9 +1062,13 @@ int main(int argc, char **argv) if (flags & FLAG_UNPROTECT) command_write_unprotect(hnd); - if (flags & FLAG_ERASE || output_filename) + if (flags & FLAG_ERASE || output_filename) { command_erase(hnd, flash_size, 0); + /* Call DBGR Rest to clear the EC lock status */ + dbgr_reset(hnd); + } + if (input_filename) { ret = read_flash(hnd, input_filename, 0, flash_size); if (ret) @@ -1056,6 +1088,10 @@ int main(int argc, char **argv) /* Normal exit */ ret = 0; terminate: + + /* DO EC WATCHDOG RESET */ + do_watchdog_reset(hnd); + /* Close the FTDI USB handle */ ftdi_usb_close(hnd); ftdi_free(hnd); |