diff options
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/guybrush/mainboard.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/mainboard.c b/src/mainboard/google/guybrush/mainboard.c index 3626157338..39ef2a0795 100644 --- a/src/mainboard/google/guybrush/mainboard.c +++ b/src/mainboard/google/guybrush/mainboard.c @@ -13,11 +13,13 @@ #include <vendorcode/google/chromeos/chromeos.h> #define BACKLIGHT_GPIO GPIO_129 +#define WWAN_AUX_RST_GPIO GPIO_18 #define METHOD_BACKLIGHT_ENABLE "\\_SB.BKEN" #define METHOD_BACKLIGHT_DISABLE "\\_SB.BKDS" #define METHOD_MAINBOARD_INI "\\_SB.MINI" #define METHOD_MAINBOARD_WAK "\\_SB.MWAK" #define METHOD_MAINBOARD_PTS "\\_SB.MPTS" +#define METHOD_MAINBOARD_S0X "\\_SB.MS0X" /* * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01. @@ -151,6 +153,31 @@ static void mainboard_write_mpts(void) acpigen_pop_len(); } +static void mainboard_assert_wwan_aux_reset(void) +{ + if (variant_has_pcie_wwan()) + acpigen_soc_clear_tx_gpio(WWAN_AUX_RST_GPIO); +} + +static void mainboard_deassert_wwan_aux_reset(void) +{ + if (variant_has_pcie_wwan()) + acpigen_soc_set_tx_gpio(WWAN_AUX_RST_GPIO); +} + +static void mainboard_write_ms0x(void) +{ + acpigen_write_method_serialized(METHOD_MAINBOARD_S0X, 1); + /* S0ix Entry */ + acpigen_write_if_lequal_op_int(ARG0_OP, 1); + mainboard_assert_wwan_aux_reset(); + /* S0ix Exit */ + acpigen_write_else(); + mainboard_deassert_wwan_aux_reset(); + acpigen_pop_len(); + acpigen_pop_len(); +} + static void mainboard_fill_ssdt(const struct device *dev) { mainboard_write_blken(); @@ -158,6 +185,7 @@ static void mainboard_fill_ssdt(const struct device *dev) mainboard_write_mini(); mainboard_write_mpts(); mainboard_write_mwak(); + mainboard_write_ms0x(); } static void mainboard_enable(struct device *dev) |