pci.h

arm_uclinux_tools用于安装linux的编译器

/*
 *  linux/include/asm-armnommu/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.
 *
 * history : 
 * 				ryc modified hw_pci structure for 2510
 */
#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];
};
/* ryc-- original structure
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);
};
*/

/* ryc modified for 2510 pci*/
struct hw_pci {
   // void        (*init)(struct arm_pci_sysdata *); //ryc--
    void    (*init)(void *); //ryc modified.
    u8      (*swizzle)(struct pci_dev *dev, u8 *pin);
    int     (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
    void 	(*setup_resources)(struct resource **); //ryc++
    unsigned long mem_offset; //ryc++
};  

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

extern void __init smdk2510_pci_setup_resources(struct resource **resource);
extern void __init smdk2510_pci_init(struct arm_pci_sysdata*);