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| author | Aseda Aboagye <aaboagye@google.com> | 2018-05-21 14:26:17 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-06-01 17:44:50 -0700 |
| commit | 884500ad511bb42bc01e9ae2a3f19f2266bedb42 (patch) | |
| tree | 13e1a57cf43ef3e78bb393f668c5b67779ab34ad /board/nocturne | |
| parent | 37987e1e7d50f02ce1f664be1ba66fb40d2fe772 (diff) | |
| download | chrome-ec-884500ad511bb42bc01e9ae2a3f19f2266bedb42.tar.gz | |
nocturne: Add NVMe power enable controls.
The EC needs to enable/disable the NVMe power rails on bootup and
shutdown. This commit just adds these controls in during chipset
startup and shutdown.
BUG=b:73258414
BRANCH=poppy
TEST=Flash nocturne, verify that rails come up on boot up and are turned
off on shutdown.
Change-Id: I3dc8c17255294c0bbf8638ea3ee3fcfaa321929b
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1067947
Commit-Ready: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@google.com>
Diffstat (limited to 'board/nocturne')
| -rw-r--r-- | board/nocturne/board.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/board/nocturne/board.c b/board/nocturne/board.c index f4fe1efae6..5c3c7a7a7a 100644 --- a/board/nocturne/board.c +++ b/board/nocturne/board.c @@ -295,12 +295,20 @@ struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { void board_chipset_startup(void) { gpio_set_level(GPIO_EN_5V, 1); + gpio_set_level(GPIO_PP3300_NVME_EN, 1); + msleep(2); + gpio_set_level(GPIO_PP1800_NVME_EN, 1); + gpio_set_level(GPIO_PPVAR_NVME_CORE_EN, 1); } DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); void board_chipset_shutdown(void) { gpio_set_level(GPIO_EN_5V, 0); + gpio_set_level(GPIO_PPVAR_NVME_CORE_EN, 0); + gpio_set_level(GPIO_PP1800_NVME_EN, 0); + msleep(2); + gpio_set_level(GPIO_PP3300_NVME_EN, 0); } DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); |