diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2013-07-31 14:08:59 -0700 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2013-12-21 12:02:10 +0100 |
| commit | 7ad61f6262c3056232c414ed9482b7d6f8719948 (patch) | |
| tree | 27feb88af438d8ee9d638ad0ce781a52c5b34e94 /src | |
| parent | 7b4c4325e92ba39265a3ed32a6b2aec6a8864985 (diff) | |
falco: Drive GPIO59/LTE_DISABLE_L low on S3/S5
Try to prevent WWAN from causing spurious wakes.
Change-Id: Ifcc44063de0eb1634cab9dd244737071568e3455
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/63987
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4414
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/falco/smihandler.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/falco/smihandler.c b/src/mainboard/google/falco/smihandler.c index 52dd77654a..ee56987d02 100644 --- a/src/mainboard/google/falco/smihandler.c +++ b/src/mainboard/google/falco/smihandler.c @@ -34,6 +34,7 @@ /* GPIO46 controls the WLAN_DISABLE_L signal. */ #define GPIO_WLAN_DISABLE_L 46 +#define GPIO_LTE_DISABLE_L 59 int mainboard_io_trap_handler(int smif) { @@ -104,6 +105,8 @@ void mainboard_smi_sleep(u8 slp_typ) /* Prevent leak from standby rail to WLAN rail in S3. */ set_gpio(GPIO_WLAN_DISABLE_L, 0); + /* Disable LTE */ + set_gpio(GPIO_LTE_DISABLE_L, 0); break; case 5: if (smm_get_gnvs()->s5u0 == 0) @@ -115,6 +118,8 @@ void mainboard_smi_sleep(u8 slp_typ) /* Prevent leak from standby rail to WLAN rail in S5. */ set_gpio(GPIO_WLAN_DISABLE_L, 0); + /* Disable LTE */ + set_gpio(GPIO_LTE_DISABLE_L, 0); break; } |