diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2014-05-13 13:02:26 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-05-17 20:14:23 +0000 |
| commit | 5fd33410770fbc9b29432fe6ca81a763e6b47ec4 (patch) | |
| tree | ed81c35caa3cf5f5dd39f9c5eb245dbbd8b9c8d6 /board/zinger/runtime.c | |
| parent | 00cf95783210c5b94565b0e0d480271dcef490ca (diff) | |
| download | chrome-ec-5fd33410770fbc9b29432fe6ca81a763e6b47ec4.tar.gz | |
zinger: add support to flash RW firmware
Allow flashing the RW firmware by sending Vendor-Defined Messages over
the USB-PD link.
This is not the secure update whose design is still under discussion,
it's a simple update with integrity check.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=chrome-os-partner:28330
TEST=using the following CLs,
./util/flash_pd.py ./build/zinger/ec.RW.flat
and see Zinger booting on RW, repeat the operations with different
builds of the RW firmware.
Change-Id: Icd90eb92f7321ccd66341a50b9dabd73c59c68c1
Reviewed-on: https://chromium-review.googlesource.com/197948
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'board/zinger/runtime.c')
| -rw-r--r-- | board/zinger/runtime.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/board/zinger/runtime.c b/board/zinger/runtime.c index 9393c8fe50..0598bd93fd 100644 --- a/board/zinger/runtime.c +++ b/board/zinger/runtime.c @@ -91,6 +91,17 @@ uint32_t task_wait_event(int timeout_us) return evt; } +void cpu_reset(void) +{ + /* Disable interrupts */ + asm volatile("cpsid i"); + /* reboot the CPU */ + CPU_NVIC_APINT = 0x05fa0004; + /* Spin and wait for reboot; should never return */ + while (1) + ; +} + /* --- stubs --- */ void __hw_timer_enable_clock(int n, int enable) { /* Done in hardware init */ } |