diff options
| author | Dave Parker <dparker@chromium.org> | 2013-01-16 14:29:37 -0800 |
|---|---|---|
| committer | ChromeBot <chrome-bot@google.com> | 2013-01-17 13:44:24 -0800 |
| commit | 3182778dbb72b1250e1275523fa5bd01c6d7e968 (patch) | |
| tree | 6f6d7f072d19834f6f15ed2626d5fac5e434dd15 /util | |
| parent | b24b745f81541554ed7719fdaba9073b4ec40bd9 (diff) | |
| download | chrome-ec-3182778dbb72b1250e1275523fa5bd01c6d7e968.tar.gz | |
Add 'unprotect' flag for flashing link ec.
BRANCH=link
BUG=chromium-os:37967
TEST=Remove write protect, reflash without 'unprotect', flag
and verify the write protect flag is stil enabled with
flashrom -p internal:bus=lpc --wp-status. Power down,
then reflash with the --unprotect flag. Now verify the
write protect status flag is disabled.
Change-Id: Ie05b5dc85dd31d29ab43a392fe948a52d547fff3
Signed-off-by: Dave Parker <dparker@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/41477
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'util')
| -rwxr-xr-x | util/flash_ec | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/util/flash_ec b/util/flash_ec index 194270d1fc..4031250fd3 100755 --- a/util/flash_ec +++ b/util/flash_ec @@ -16,6 +16,8 @@ DEFINE_boolean ro "${FLAGS_FALSE}" \ "Write only the read-only partition" DEFINE_string offset "0" \ "Offset where to program the image from." +DEFINE_boolean unprotect "${FLAGS_FALSE}" \ + "Clear the protect flag." # Parse command line FLAGS_HELP="usage: $0 [flags]" @@ -32,8 +34,8 @@ cleanup() { fi # reset the EC - dut_control cold_reset:on - dut_control cold_reset:off + dut_control cold_reset:on + dut_control cold_reset:off } trap cleanup EXIT @@ -106,6 +108,10 @@ function flash_daisy() { die "no stm32mon util found." fi + if [ "${FLAGS_unprotect}" = ${FLAGS_TRUE} ] ; then + die "--unprotect not supported for this board." + fi + info "Using serial flasher : ${STM32MON}" dut_control uart1_en:on @@ -122,13 +128,18 @@ function flash_daisy() { function flash_link() { OCD_CFG="servo_v2_slower.cfg" OCD_PATH="${SRC_ROOT}/platform/ec/chip/lm4/openocd" - OCD_CMDS="init ; flash_lm4 ${IMG} ${FLAGS_offset}; shutdown;" + OCD_CMDS="init; flash_lm4 ${IMG} ${FLAGS_offset};" + if [ "${FLAGS_unprotect}" = ${FLAGS_TRUE} ] ; then + info "Clearing write protect flag." + OCD_CMDS="${OCD_CMDS} unprotect_link;" + fi + OCD_CMDS="${OCD_CMDS} shutdown;" dut_control jtag_buf_on_flex_en:on dut_control jtag_buf_en:on sudo openocd -s "${OCD_PATH}" -f "${OCD_CFG}" -c "${OCD_CMDS}" || \ - die "Failed to program ${IMG}" + die "Failed to program ${IMG}" } IMG="$(ec_image)" |