qemu-patch-raspberry4/include/hw/southbridge/piix.h

/*
 * QEMU PIIX South Bridge Emulation
 *
 * Copyright (c) 2006 Fabrice Bellard
 * Copyright (c) 2018 Hervé Poussineau
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 *
 */

#ifndef HW_SOUTHBRIDGE_PIIX_H
#define HW_SOUTHBRIDGE_PIIX_H

#define TYPE_PIIX4_PM "PIIX4_PM"

I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
                      qemu_irq sci_irq, qemu_irq smi_irq,
                      int smm_enabled, DeviceState **piix4_pm);

/* PIRQRC[A:D]: PIRQx Route Control Registers */
#define PIIX_PIRQCA 0x60
#define PIIX_PIRQCB 0x61
#define PIIX_PIRQCC 0x62
#define PIIX_PIRQCD 0x63

/*
 * Reset Control Register: PCI-accessible ISA-Compatible Register at address
 * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
 */
#define PIIX_RCR_IOPORT 0xcf9

extern PCIDevice *piix4_dev;

DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus,
                          I2CBus **smbus, size_t ide_buses);

#endif