pci.h

来自「Linux内核源代码 为压缩文件 是<<Linux内核>&gt」· C头文件 代码 · 共 43 行

/*
 *  linux/include/asm-arm/mach/pci.h
 *
 *  Copyright (C) 2000 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#define MAX_NR_BUS	2

struct arm_bus_sysdata {
	/*
	 * bitmask of features we can turn.
	 * See PCI command register for more info.
	 */
	u16		features;
	/*
	 * Maximum devsel for this bus.
	 */
	u16		maxdevsel;
	/*
	 * The maximum latency that devices on this
	 * bus can withstand.
	 */
	u8		max_lat;
};

struct arm_pci_sysdata {
	struct arm_bus_sysdata bus[MAX_NR_BUS];
};

struct hw_pci {
	void		(*init)(struct arm_pci_sysdata *);
	u8		(*swizzle)(struct pci_dev *dev, u8 *pin);
	int		(*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
};

extern u8 no_swizzle(struct pci_dev *dev, u8 *pin);

void __init dc21285_init(struct arm_pci_sysdata *);
void __init plx90x0_init(struct arm_pci_sysdata *);