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/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/smbus_host.h>
#include <device/pci_ops.h>
#include "i82801dx.h"
void i82801dx_early_init(void)
{
const pci_devfn_t dev = PCI_DEV(0, 0x1f, 0);
/* Enable ACPI I/O range decode and ACPI power management. */
pci_write_config32(dev, PMBASE, DEFAULT_PMBASE | 1);
pci_write_config8(dev, ACPI_CNTL, ACPI_EN);
pci_write_config32(dev, GPIO_BASE, GPIOBASE_ADDR | 1);
pci_write_config8(dev, GPIO_CNTL, 0x10);
if (ENV_RAMINIT)
enable_smbus();
}
void i82801dx_lpc_setup(void)
{
const pci_devfn_t dev = PCI_DEV(0, 0x1f, 0);
/* Decode 0x3F8-0x3FF (COM1) for COMA port, 0x2F8-0x2FF (COM2) for COMB.
* LPT decode defaults to 0x378-0x37F and 0x778-0x77F.
* Floppy decode defaults to 0x3F0-0x3F5, 0x3F7.
* We also need to set the value for LPC I/F Enables Register.
*/
pci_write_config8(dev, COM_DEC, 0x10);
pci_write_config16(dev, LPC_EN, 0x300F);
}
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