src/mainboard/lenovo/x60/mainboard.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <device/device.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include <ec/acpi/ec.h>
#include <northbridge/intel/i945/i945.h>
#include <southbridge/intel/i82801gx/chip.h>
#include "dock.h"
#include <drivers/intel/gma/int15.h>
#include <drivers/lenovo/lenovo.h>
#include <acpi/acpigen.h>

#define PANEL INT15_5F35_CL_DISPLAY_DEFAULT

static void mainboard_init(struct device *dev)
{
	struct device *idedev, *sdhci_dev;

	ec_clr_bit(0x03, 2);

	if (inb(0x164c) & 0x08) {
		ec_set_bit(0x03, 2);
		ec_write(0x0c, 0x88);
	}

	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS,
					GMA_INT15_PANEL_FIT_DEFAULT,
					PANEL, 3);

	/* If we're resuming from suspend, blink suspend LED */
	if (acpi_is_wakeup_s3())
		ec_write(0x0c, 0xc7);

	idedev = pcidev_on_root(0x1f, 1);
	if (idedev && idedev->chip_info && dock_ultrabay_device_present()) {
		struct southbridge_intel_i82801gx_config *config = idedev->chip_info;
		config->ide_enable_primary = 1;
		/* enable Ultrabay power */
		outb(inb(0x1628) | 0x01, 0x1628);
		ec_write(0x0c, 0x84);
	} else {
		/* disable Ultrabay power */
		outb(inb(0x1628) & ~0x01, 0x1628);
		ec_write(0x0c, 0x04);
	}

	/* Set SDHCI write protect polarity "SDWPPol" */
	sdhci_dev = dev_find_device(PCI_VID_RICOH, PCI_DID_RICOH_R5C822, 0);
	if (sdhci_dev) {
		if (pci_read_config8(sdhci_dev, 0xfa) != 0x20) {
			/* unlock */
			pci_write_config8(sdhci_dev, 0xf9, 0xfc);
			/* set SDWPPol, keep CLKRUNDis, SDPWRPol clear */
			pci_write_config8(sdhci_dev, 0xfa, 0x20);
			/* restore lock */
			pci_write_config8(sdhci_dev, 0xf9, 0x00);
		}
	}
}

static void fill_ssdt(const struct device *device)
{
	drivers_lenovo_serial_ports_ssdt_generate("\\_SB.PCI0.LPCB", 1);
}

static void mainboard_enable(struct device *dev)
{
	dev->ops->init = mainboard_init;
	dev->ops->acpi_fill_ssdt = fill_ssdt;
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};