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692428e1a6
[chip config]
1. No hardware specific udelay().
2. Enable watchdog.
[watchdog]
3. Watchdog period is "CONFIG_WATCHDOG_PERIOD_MS" of config.h.
4. Watchdog auxiliary timer period is "CONFIG_AUX_TIMER_PERIOD_MS".
[task and irq]
5. Write 1 to clear interrupt pending status, no |.
6. A global variable for store interrupt number of software interrupt.
[uart]
7. Always reset UART module before config it.
[hwtimer]
8. Use more external timers for HW timer module.
[task]
9. Fix task profiling.
Signed-off-by: Dino Li <dino.li@ite.com.tw>
BRANCH=none
BUG=none
TEST=[watchdog]
1. console "waitms 1100", only pre-watchdog warning message.
2. console "waitms 1600", warning message and watchdog reset.
[hwtimer]
3. console commands "gettime", "timerinfo", and "forcetime".
4. enable hook debug and there is no delayed by more than 10%
warning message over 48 hours.
5. There is no watchdog reset too.
[task]
6. console 'taskinfo'
Task Ready Name Events Time (s) StkUsed
0 R << idle >> 00000000 32.927724 308/512
1 HOOKS 00000000 0.034267 372/768
2 R CONSOLE 00000000 0.116763 468/768
3 HOSTCMD 00000000 0.000641 372/512
4 KEYPROTO 00000000 0.000042 212/512
5 KEYSCAN 00000000 0.000908 356/512
IRQ counts by type:
38 2932
155 1
158 261
160 67
Service calls: 87
Total exceptions: 3348
Task switches: 167
Task switching started: 0.001999 s
Time in tasks: 33.282819 s
Time in exceptions: 0.164717 s
Change-Id: I234085cec231cd855d2a5e639ea1b0966c61d796
Reviewed-on: https://chromium-review.googlesource.com/296939
Commit-Ready: Dino Li <dino.li@ite.com.tw>
Tested-by: Dino Li <dino.li@ite.com.tw>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit