blob: d72757585595d956ee5eb597432446d2b836477e [file] [log] [blame]
#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
#ifdef __KERNEL__
* Definitions for talking to the Open Firmware PROM on
* Power Macintosh computers.
* Copyright (C) 1996-2005 Paul Mackerras.
* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
#include <linux/types.h>
#include <asm/irq.h>
#include <asm/atomic.h>
#ifdef CONFIG_PPC32
* PCI <-> OF matching functions
* (XXX should these be here?)
struct pci_bus;
struct pci_dev;
extern int pci_device_from_OF_node(struct device_node *node,
u8* bus, u8* devfn);
extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
extern void pci_create_OF_bus_map(void);
* OF address retreival & translation
/* Translate a DMA address from device space to CPU space */
extern u64 of_translate_dma_address(struct device_node *dev,
const __be32 *in_addr);
extern unsigned long pci_address_to_pio(phys_addr_t address);
#define pci_address_to_pio pci_address_to_pio
#endif /* CONFIG_PCI */
/* Parse the ibm,dma-window property of an OF node into the busno, phys and
* size parameters.
void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
unsigned long *busno, unsigned long *phys, unsigned long *size);
extern void kdump_move_device_tree(void);
/* CPU OF node matching */
struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
/* cache lookup */
struct device_node *of_find_next_cache_node(struct device_node *np);
extern int of_node_to_nid(struct device_node *device);
static inline int of_node_to_nid(struct device_node *device) { return 0; }
#define of_node_to_nid of_node_to_nid
* of_irq_map_pci - Resolve the interrupt for a PCI device
* @pdev: the device whose interrupt is to be resolved
* @out_irq: structure of_irq filled by this function
* This function resolves the PCI interrupt for a given PCI device. If a
* device-node exists for a given pci_dev, it will use normal OF tree
* walking. If not, it will implement standard swizzling and walk up the
* PCI tree until an device-node is found, at which point it will finish
* resolving using the OF tree walking.
struct pci_dev;
struct of_irq;
extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
extern void of_instantiate_rtc(void);
/* These includes are put at the bottom because they may contain things
* that are overridden by this file. Ideally they shouldn't be included
* by this file, but there are a bunch of .c files that currently depend
* on it. Eventually they will be cleaned up. */
#include <linux/of_fdt.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#endif /* __KERNEL__ */
#endif /* _POWERPC_PROM_H */