[deliverable/linux.git] / arch / powerpc / include / asm / prom.h

#include <linux/of.h>	/* linux/of.h gets to determine #include ordering */
#ifndef _POWERPC_PROM_H
#define _POWERPC_PROM_H
#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>

#define HAVE_ARCH_DEVTREE_FIXUPS

#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);
#endif

/*
 * 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);

#ifdef CONFIG_PCI
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);

#ifdef CONFIG_NUMA
extern int of_node_to_nid(struct device_node *device);
#else
static inline int of_node_to_nid(struct device_node *device) { return 0; }
#endif
#define of_node_to_nid of_node_to_nid

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 */
Commit	Line	Data
9d24c888	1	#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
9b6b563c PM	2	#ifndef _POWERPC_PROM_H
	3	#define _POWERPC_PROM_H
	4	#ifdef __KERNEL__
	5
	6	/*
	7	* Definitions for talking to the Open Firmware PROM on
	8	* Power Macintosh computers.
	9	*
	10	* Copyright (C) 1996-2005 Paul Mackerras.
	11	*
	12	* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
	13	*
	14	* This program is free software; you can redistribute it and/or
	15	* modify it under the terms of the GNU General Public License
	16	* as published by the Free Software Foundation; either version
	17	* 2 of the License, or (at your option) any later version.
	18	*/
	19	#include <linux/types.h>
99ddef9b	20	#include <asm/irq.h>
9b6b563c PM	21	#include <asm/atomic.h>
9b6b563c PM	22
9b6b563c PM	23	#define HAVE_ARCH_DEVTREE_FIXUPS
9b6b563c PM	24
40ef8cbc	25	#ifdef CONFIG_PPC32
9b6b563c PM	26	/*
	27	* PCI <-> OF matching functions
	28	* (XXX should these be here?)
	29	*/
	30	struct pci_bus;
	31	struct pci_dev;
	32	extern int pci_device_from_OF_node(struct device_node *node,
	33	u8* bus, u8* devfn);
	34	extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
	35	extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
	36	extern void pci_create_OF_bus_map(void);
40ef8cbc PM	37	#endif
40ef8cbc PM	38
d1405b86	39	/*
d2dd482b BH	40	* OF address retreival & translation
	41	*/
	42
837c54db BH	43	/* Translate a DMA address from device space to CPU space */
837c54db BH	44	extern u64 of_translate_dma_address(struct device_node *dev,
0131d897	45	const __be32 *in_addr);
837c54db	46
1f5bef30 GL	47	#ifdef CONFIG_PCI
1f5bef30 GL	48	extern unsigned long pci_address_to_pio(phys_addr_t address);
22ae782f	49	#define pci_address_to_pio pci_address_to_pio
1f5bef30 GL	50	#endif /* CONFIG_PCI */
1f5bef30 GL	51
d4ad66fa JK	52	/* Parse the ibm,dma-window property of an OF node into the busno, phys and
	53	* size parameters.
	54	*/
a7f67bdf	55	void of_parse_dma_window(struct device_node dn, const void dma_window_prop,
d4ad66fa JK	56	unsigned long busno, unsigned long phys, unsigned long *size);
d4ad66fa JK	57
b68239ee ME	58	extern void kdump_move_device_tree(void);
b68239ee ME	59
acf7d768 BH	60	/* CPU OF node matching */
	61	struct device_node of_get_cpu_node(int cpu, unsigned int thread);
	62
e523f723 NL	63	/* cache lookup */
	64	struct device_node of_find_next_cache_node(struct device_node np);
	65
559e2b7e GL	66	#ifdef CONFIG_NUMA
	67	extern int of_node_to_nid(struct device_node *device);
	68	#else
	69	static inline int of_node_to_nid(struct device_node *device) { return 0; }
	70	#endif
	71	#define of_node_to_nid of_node_to_nid
	72
129ac799 GL	73	extern void of_instantiate_rtc(void);
129ac799 GL	74
22ae782f GL	75	/* These includes are put at the bottom because they may contain things
	76	* that are overridden by this file. Ideally they shouldn't be included
	77	* by this file, but there are a bunch of .c files that currently depend
	78	* on it. Eventually they will be cleaned up. */
	79	#include <linux/of_fdt.h>
	80	#include <linux/of_address.h>
	81	#include <linux/of_irq.h>
	82	#include <linux/platform_device.h>
	83
9b6b563c PM	84	#endif /* __KERNEL__ */
9b6b563c PM	85	#endif /* _POWERPC_PROM_H */