Hannah Williams (hannah.williams@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13425
-gerrit
commit c61522fa0ad7163cb6c21c032a31720b11b441aa Author: Hannah Williams hannah.williams@intel.com Date: Mon Jul 27 19:46:34 2015 -0700
soc/braswell: Fix for auto wake from S5
Disabling S5 wake from touch panel and trackpad
TEST=Build and boot the platform. TEST=Poweroff platform -> enter PG3 -> remove AC -> close Lid Plug AC in -> EC boots up and AP will shutdown the platform and open Lid -> platform boots to OS.
Change-Id: I7b661a9f1327b97d904bac40e78612648f353e39 Signed-off-by: Hannah Williams hannah.williams@intel.com Original-Reviewed-on: https://chromium-review.googlesource.com/288970 Original-Reviewed-by: Aaron Durbin adurbin@chromium.org Original-Commit-Queue: Divagar Mohandass divagar.mohandass@intel.com Original-Tested-by: Divagar Mohandass divagar.mohandass@intel.com --- src/mainboard/google/cyan/smihandler.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/src/mainboard/google/cyan/smihandler.c b/src/mainboard/google/cyan/smihandler.c index 04cc899..9b363ca 100644 --- a/src/mainboard/google/cyan/smihandler.c +++ b/src/mainboard/google/cyan/smihandler.c @@ -28,6 +28,8 @@
/* The wake gpio is SUS_GPIO[0]. */ #define WAKE_GPIO_EN SUS_GPIO_EN0 +#define GPIO_SUS7_WAKE_MASK (1 << 12) +#define GPIO_SUS1_WAKE_MASK (1 << 13)
int mainboard_io_trap_handler(int smif) { @@ -96,6 +98,9 @@ void mainboard_smi_gpi(uint32_t alt_gpio_smi)
void mainboard_smi_sleep(uint8_t slp_typ) { + void *addr; + uint32_t mask; + /* Disable USB charging if required */ switch (slp_typ) { case 3: @@ -125,6 +130,16 @@ void mainboard_smi_sleep(uint8_t slp_typ) /* Enable wake events */ google_chromeec_set_wake_mask(MAINBOARD_EC_S5_WAKE_EVENTS); #endif + + /* Disabling wake from SUS_GPIO1 (TOUCH INT) and + * SUS_GPIO7 (TRACKPAD INT) in North bank as they are not + * valid S5 wake sources + */ + addr = (void *)(IO_BASE_ADDRESS + COMMUNITY_OFFSET_GPNORTH + + GPIO_WAKE_MASK_REG0); + mask = ~(GPIO_SUS1_WAKE_MASK | GPIO_SUS7_WAKE_MASK); + write32(addr, read32(addr) & mask); + break; }