diff options
Diffstat (limited to 'src/superio/nuvoton/nct5104d/superio.c')
| -rw-r--r-- | src/superio/nuvoton/nct5104d/superio.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/superio/nuvoton/nct5104d/superio.c b/src/superio/nuvoton/nct5104d/superio.c index f382c2c6be..01c1c2766d 100644 --- a/src/superio/nuvoton/nct5104d/superio.c +++ b/src/superio/nuvoton/nct5104d/superio.c @@ -81,6 +81,36 @@ static void set_irq_trigger_type(struct device *dev, bool trig_level) pnp_write_config(dev, GLOBAL_OPTION_CR26, reg26); } +static void route_pins_to_uart(struct device *dev, bool to_uart) +{ + u8 reg; + + reg = pnp_read_config(dev, 0x1c); + + switch (dev->path.pnp.device) { + case NCT5104D_SP3: + case NCT5104D_GPIO0: + /* Route pins 33 - 40. */ + if (to_uart) + reg |= (1 << 3); + else + reg &= ~(1 << 3); + break; + case NCT5104D_SP4: + case NCT5104D_GPIO1: + /* Route pins 41 - 48. */ + if (to_uart) + reg |= (1 << 2); + else + reg &= ~(1 << 2); + break; + default: + break; + } + + pnp_write_config(dev, 0x1c, reg); +} + static void nct5104d_init(struct device *dev) { struct superio_nuvoton_nct5104d_config *conf = dev->chip_info; @@ -93,10 +123,17 @@ static void nct5104d_init(struct device *dev) switch(dev->path.pnp.device) { case NCT5104D_SP1: case NCT5104D_SP2: + set_irq_trigger_type(dev, conf->irq_trigger_type != 0); + break; case NCT5104D_SP3: case NCT5104D_SP4: + route_pins_to_uart(dev, true); set_irq_trigger_type(dev, conf->irq_trigger_type != 0); break; + case NCT5104D_GPIO0: + case NCT5104D_GPIO1: + route_pins_to_uart(dev, false); + break; default: break; } |