mainboard.c

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/* 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,
};