diff options
Diffstat (limited to 'src/mainboard/google/rex/mainboard.c')
| -rw-r--r-- | src/mainboard/google/rex/mainboard.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/mainboard.c b/src/mainboard/google/rex/mainboard.c index a076ec210d..bb64c6380f 100644 --- a/src/mainboard/google/rex/mainboard.c +++ b/src/mainboard/google/rex/mainboard.c @@ -2,6 +2,7 @@ #include <acpi/acpi.h> #include <acpi/acpigen.h> +#include <baseboard/gpio.h> #include <baseboard/variants.h> #include <device/device.h> #include <drivers/wwan/fm/chip.h> @@ -19,6 +20,36 @@ static void mainboard_init(void *chip_info) gpio_configure_pads(pads, num); } +void __weak variant_generate_s0ix_hook(enum s0ix_entry entry) +{ + /* Add board-specific MS0X entries */ + /* + if (s0ix_entry == S0IX_ENTRY) { + implement variant operations here + } + if (s0ix_entry == S0IX_EXIT) { + implement variant operations here + } + */ +} + +static void mainboard_generate_s0ix_hook(void) +{ + acpigen_write_if_lequal_op_int(ARG0_OP, 1); + { + if (CONFIG(HAVE_SLP_S0_GATE)) + acpigen_soc_clear_tx_gpio(GPIO_SLP_S0_GATE); + variant_generate_s0ix_hook(S0IX_ENTRY); + } + acpigen_write_else(); + { + if (CONFIG(HAVE_SLP_S0_GATE)) + acpigen_soc_set_tx_gpio(GPIO_SLP_S0_GATE); + variant_generate_s0ix_hook(S0IX_EXIT); + } + acpigen_write_if_end(); +} + static void mainboard_generate_wwan_shutdown(const struct device *dev) { const struct drivers_wwan_fm_config *config = config_of(dev); @@ -50,6 +81,12 @@ static void mainboard_fill_ssdt(const struct device *dev) acpigen_write_method_end(); /* Method */ acpigen_write_scope_end(); /* Scope */ } + + acpigen_write_scope("\\_SB"); + acpigen_write_method_serialized("MS0X", 1); + mainboard_generate_s0ix_hook(); + acpigen_write_method_end(); /* Method */ + acpigen_write_scope_end(); /* Scope */ } static void add_fw_config_oem_string(const struct fw_config *config, void *arg) |