blob: afda58358b615fc4f8fc7d2c8e744770cb1f423d [file] [log] [blame]
/*
* Copyright (c) 2010-2015, Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Board configuration macros for the ia32 platform
*
* This header file is used to specify and describe board-level aspects for
* the 'ia32' platform.
*/
#ifndef __SOC_H_
#define __SOC_H_
#include <sys/util.h>
#ifndef _ASMLANGUAGE
#include <device.h>
#include <random/rand32.h>
#endif
/*
* UART
*/
#define UART_NS16550_ACCESS_IOPORT 0x3f8
/* PCI definitions */
#define PCI_BUS_NUMBERS 1
#define PCI_CTRL_ADDR_REG 0xCF8
#define PCI_CTRL_DATA_REG 0xCFC
#define PCI_INTA 1
#define PCI_INTB 2
#define PCI_INTC 3
#define PCI_INTD 4
/**
*
* @brief Convert PCI interrupt PIN to IRQ
*
* This file is only used by QEMU, which emulates the i440fx chipset.
* INTx are mapped to IRQs 10 and 11 after being swizzled.
*
* @return IRQ number, -1 if the result is incorrect
*
*/
static inline int pci_pin2irq(int bus, int dev, int pin)
{
ARG_UNUSED(bus);
if ((pin < PCI_INTA) || (pin > PCI_INTD)) {
return -1;
}
return 10 + (((pin + dev - 1) >> 1) & 1);
}
#endif /* __SOC_H_ */