SysinfoResetPowerOps *new_sysinfo_reset_power_ops(PowerOps *power_off_ops,
new_gpio_from_coreboot_t new_gpio_from_coreboot)
{
SysinfoResetPowerOps *p = xzalloc(sizeof(*p));
p->ops.power_off = &pass_through_power_off;
p->ops.cold_reboot = &gpio_reboot;
p->power_off_ops = power_off_ops;
p->reset_gpio = sysinfo_lookup_gpio("reset", 1, new_gpio_from_coreboot);
die_if(!p->reset_gpio, "could not find 'reset' GPIO in coreboot table");
return p;
}
static void install_phys_presence_flag(void)
{
GpioOps *phys_presence = sysinfo_lookup_gpio
("developer", 1, new_gpio_input_from_coreboot);
if (!phys_presence) {
printf("%s failed retrieving phys presence GPIO\n", __func__);
return;
}
flag_install(FLAG_PHYS_PRESENCE, phys_presence);
}
void mainboard_keyboard_init(struct pk_sm_desc *desc)
{
pwr_btn_gpio = sysinfo_lookup_gpio("power", 1,
new_tegra_gpio_input_from_coreboot);
die_if(!pwr_btn_gpio, "No GPIO for power!!\n");
/* Inputs volup and voldown are active low. */
vol_down_gpio = new_gpio_not(&new_tegra_gpio_input(GPIO(X, 7))->ops);
vol_up_gpio = new_gpio_not(&new_tegra_gpio_input(GPIO(X, 6))->ops);
foster_sm_init(desc);
}
static int sysinfo_gpio_get(struct GpioOps *me)
{
assert(me);
SysinfoGpio *sgpio = container_of(me, SysinfoGpio, ops);
if (!sgpio->cb_gpio_ptr) {
struct cb_gpio *cb_gpio_ptr =
sysinfo_lookup_gpio(sgpio->label);
if (!cb_gpio_ptr)
return -1;
sgpio->cb_gpio_ptr = cb_gpio_ptr;
int p = (cb_gpio_ptr->polarity == CB_GPIO_ACTIVE_HIGH) ? 0 : 1;
sgpio->val = p ^ cb_gpio_ptr->value;
}
return sgpio->val;
}
