diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/stout/chromeos.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/src/mainboard/google/stout/chromeos.c b/src/mainboard/google/stout/chromeos.c index 824cb8f8a8..b2ca6a7673 100644 --- a/src/mainboard/google/stout/chromeos.c +++ b/src/mainboard/google/stout/chromeos.c @@ -35,21 +35,13 @@ void fill_lb_gpios(struct lb_gpios *gpios) { - device_t dev = dev_find_slot(0, PCI_DEVFN(0x1f,0)); - u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe; - - if (!gpio_base) - return; - - u32 gp_lvl = inl(gpio_base + GP_LVL); - gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); gpios->count = GPIO_COUNT; /* Write Protect: GPIO7 */ gpios->gpios[0].port = 7; gpios->gpios[0].polarity = ACTIVE_LOW; - gpios->gpios[0].value = (gp_lvl >> 7) & 1; + gpios->gpios[0].value = !get_write_protect_state(); strncpy((char *)gpios->gpios[0].name,"write protect", GPIO_MAX_NAME_LENGTH); @@ -68,7 +60,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) /* Lid Switch: Virtual switch */ gpios->gpios[3].port = -1; gpios->gpios[3].polarity = ACTIVE_HIGH; - gpios->gpios[3].value = 1; /* Hard-code to open */ + gpios->gpios[3].value = get_lid_switch(); strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH); /* Power Button: Virtual switch */ @@ -91,6 +83,30 @@ void fill_lb_gpios(struct lb_gpios *gpios) } #endif +int get_write_protect_state(void) +{ + device_t dev; +#ifdef __PRE_RAM__ + dev = PCI_DEV(0, 0x1f, 0); +#else + dev = dev_find_slot(0, PCI_DEVFN(0x1f, 0)); +#endif + u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe; + + if (!gpio_base) + return 0; + + u32 gp_lvl = inl(gpio_base + GP_LVL); + + return !((gp_lvl >> 7) & 1); +} + +int get_lid_switch(void) +{ + /* hard-code to open */ + return 1; +} + /* The dev-switch is virtual on Stout (and so handled elsewhere). */ int get_developer_mode_switch(void) { |