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| author | Louis Yung-Chieh Lo <yjlou@chromium.org> | 2014-06-30 15:35:54 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-07-02 00:54:42 +0000 |
| commit | 148a3cc3262ed9c150a20267e070ddb8930cad10 (patch) | |
| tree | fae64f9816cd0f17c57971fc5cbbd5da36886ee1 /power | |
| parent | 21fb0e2c9f9f121baad1f798b0e1702983237593 (diff) | |
| download | chrome-ec-148a3cc3262ed9c150a20267e070ddb8930cad10.tar.gz | |
stm32: move spi init to HOOK_CHIPSET_PRE_INIT.
The SPI init should run before we power up AP. Otherwise, the AP
would try to talk to EC before the EC SPI is ready. This could fail
the first SPI transcation.
BUG=chrome-os-partner:30083
BRANCH=Tot,nyan
TEST=build and run on Nyan only.
Change-Id: Ie40ba5210c49446c94c01d697aa66568730de83f
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/206181
Reviewed-by: Vic Yang <victoryang@chromium.org>
Diffstat (limited to 'power')
| -rw-r--r-- | power/tegra.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/power/tegra.c b/power/tegra.c index 41c1e83b16..37db5cb997 100644 --- a/power/tegra.c +++ b/power/tegra.c @@ -384,14 +384,16 @@ static void power_on(void) usleep(wait); } + /* + * When power_on() is called, we are at S5S3. Initialize components + * to ready state before AP is up. + */ + hook_notify(HOOK_CHIPSET_PRE_INIT); + /* Push the power button */ set_pmic_pwron(1); usleep(PMIC_PWRON_DEBOUNCE_TIME); - /* Initialize non-AP components if the AP is off. */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - hook_notify(HOOK_CHIPSET_PRE_INIT); - disable_sleep(SLEEP_MASK_AP_RUN); powerled_set_state(POWERLED_STATE_ON); |