82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/*
|
|
* 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 <misc/util.h>
|
|
|
|
#ifndef _ASMLANGUAGE
|
|
#include <device.h>
|
|
#include <random/rand32.h>
|
|
#endif
|
|
|
|
#define INT_VEC_IRQ0 0x20 /* vector number for IRQ0 */
|
|
|
|
/*
|
|
* UART
|
|
*/
|
|
#define UART_NS16550_ACCESS_IOPORT
|
|
|
|
#define UART_NS16550_PORT_0_BASE_ADDR 0x03F8
|
|
#define UART_NS16550_PORT_0_IRQ 4
|
|
#define UART_NS16550_PORT_0_CLK_FREQ 1843200
|
|
|
|
#define UART_NS16550_PORT_1_BASE_ADDR 0x02F8
|
|
#define UART_NS16550_PORT_1_IRQ 3
|
|
#define UART_NS16550_PORT_1_CLK_FREQ 1843200
|
|
|
|
#ifdef CONFIG_IOAPIC
|
|
#include <drivers/ioapic.h>
|
|
#define UART_IRQ_FLAGS (IOAPIC_EDGE | IOAPIC_HIGH)
|
|
#endif /* CONFIG_IOAPIC */
|
|
|
|
|
|
/* PCI definitions */
|
|
/* FIXME: The values below copied from generic ia32 soc, we need to get the
|
|
* correct numbers for Atom and the minnowboard
|
|
*
|
|
* This is added now to get basic enumartion of devices and verify that PCI
|
|
* driver is functional.
|
|
*/
|
|
#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
|
|
*
|
|
* @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_ */
|