示例#1
0
void mainboard_config_superio(void)
{
	const pnp_devfn_t GLOBAL_PSEUDO_DEV = PNP_DEV(0x2e, 0);
	const pnp_devfn_t SERIAL_DEV = PNP_DEV(0x2e, NCT6776_SP1);
	const pnp_devfn_t ACPI_DEV = PNP_DEV(0x2e, NCT6776_ACPI);
	const pnp_devfn_t IR_DEV = PNP_DEV(0x2e, NCT6776_SP2);

	nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);

	nuvoton_pnp_enter_conf_state(GLOBAL_PSEUDO_DEV);

	/* Select HWM/LED functions instead of floppy functions. */
	pnp_write_config(GLOBAL_PSEUDO_DEV, 0x1c, 0x03);
	pnp_write_config(GLOBAL_PSEUDO_DEV, 0x24, 0x24);

	/* Power RAM in S3 and let the PCH handle power failure actions. */
	pnp_set_logical_device(ACPI_DEV);
	pnp_write_config(ACPI_DEV, 0xe4, 0x70);

	/*
	 * Don't know what's needed here, just set the same as the vendor
	 * firmware.
	 */
	pnp_set_logical_device(IR_DEV);
	pnp_write_config(IR_DEV, 0xf1, 0x5c);

	nuvoton_pnp_exit_conf_state(GLOBAL_PSEUDO_DEV);
}
示例#2
0
static void mb_lpc_setup(void)
{
	u32 reg32;
	/* Set the value for GPIO base address register and enable GPIO. */
	pci_write_config32(LPC_DEV, GPIO_BASE, (DEFAULT_GPIOBASE | 1));
	pci_write_config8(LPC_DEV, GPIO_CNTL, 0x10);

	setup_pch_gpios(&mainboard_gpio_map);

	/* Set GPIOs on superio, enable UART */
	if (IS_ENABLED(CONFIG_SUPERIO_NUVOTON_NCT6776)) {
		nuvoton_pnp_enter_conf_state(SERIAL_DEV_R2);
		pnp_set_logical_device(SERIAL_DEV_R2);

		pnp_write_config(SERIAL_DEV_R2, 0x1c, 0x80);
		pnp_write_config(SERIAL_DEV_R2, 0x27, 0x80);
		pnp_write_config(SERIAL_DEV_R2, 0x2a, 0x60);

		nuvoton_pnp_exit_conf_state(SERIAL_DEV_R2);
		nuvoton_enable_serial(SERIAL_DEV_R2, CONFIG_TTYS0_BASE);
	} else {
		winbond_enable_serial(SERIAL_DEV_R1, CONFIG_TTYS0_BASE);
	}
	/* IRQ routing */
	RCBA16(D31IR) = 0x0132;
	RCBA16(D29IR) = 0x0237;

	/* Enable IOAPIC */
	RCBA8(OIC) = 0x03;
	RCBA8(OIC);

	reg32 = RCBA32(GCS);
	reg32 |= (1 << 5);
	RCBA32(GCS) = reg32;
	RCBA32(FD) = FD_PCIE6 | FD_PCIE5 | FD_PCIE4 | FD_PCIE3 | FD_ACMOD
		| FD_ACAUD | 1;
	RCBA32(CG) = 0x00000001;
}