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gerrit-public.fairphone.software / kernel / msm-4.19 / f3c8cfc237927cc095e8bcb1e3794cfa76390bab / . / arch / powerpc / include / asm / prom.h
blob: b5c91901e3840dd630c459c12322a122771e5030 [file] [log] [blame]
Grant Likely9d24c882009-10-15 10:57:44 -0600[diff] [blame]1#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
Paul Mackerras9b6b5632005-10-06 12:06:20 +1000[diff] [blame]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>
Andrew Morton99ddef92007-02-17 18:17:16 -0700[diff] [blame]20#include <asm/irq.h>
Arun Sharma600634972011-07-26 16:09:06 -0700[diff] [blame]21#include <linux/atomic.h>
Paul Mackerras9b6b5632005-10-06 12:06:20 +1000[diff] [blame]22
Paul Mackerras9b6b5632005-10-06 12:06:20 +1000[diff] [blame]23#define HAVE_ARCH_DEVTREE_FIXUPS
24
Benjamin Herrenschmidtd1405b82005-11-23 17:53:42 +1100[diff] [blame]25/*
Benjamin Herrenschmidtd2dd4822005-11-30 16:57:28 +1100[diff] [blame]26 * OF address retreival & translation
27 */
28
Benjamin Herrenschmidt837c54d2007-12-11 14:48:22 +1100[diff] [blame]29/* Translate a DMA address from device space to CPU space */
30extern u64 of_translate_dma_address(struct device_node *dev,
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +0100[diff] [blame]31 const __be32 *in_addr);
Benjamin Herrenschmidt837c54d2007-12-11 14:48:22 +1100[diff] [blame]32
Grant Likely1f5bef32010-06-08 07:48:09 -0600[diff] [blame]33#ifdef CONFIG_PCI
34extern unsigned long pci_address_to_pio(phys_addr_t address);
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]35#define pci_address_to_pio pci_address_to_pio
Grant Likely1f5bef32010-06-08 07:48:09 -0600[diff] [blame]36#endif /* CONFIG_PCI */
37
Jeremy Kerrd4ad66f2006-05-18 18:05:15 +1000[diff] [blame]38/* Parse the ibm,dma-window property of an OF node into the busno, phys and
39 * size parameters.
40 */
Jeremy Kerra7f67bd2006-07-12 15:35:54 +1000[diff] [blame]41void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
Jeremy Kerrd4ad66f2006-05-18 18:05:15 +1000[diff] [blame]42 unsigned long *busno, unsigned long *phys, unsigned long *size);
43
Michael Ellermanb68239e2006-02-03 19:05:47 +1100[diff] [blame]44extern void kdump_move_device_tree(void);
45
Benjamin Herrenschmidtacf7d762006-06-19 20:33:16 +0200[diff] [blame]46/* CPU OF node matching */
47struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
48
Nathan Lynche523f722008-12-10 14:46:04 +0000[diff] [blame]49/* cache lookup */
50struct device_node *of_find_next_cache_node(struct device_node *np);
51
Grant Likely559e2b72010-07-23 20:11:18 -0600[diff] [blame]52#ifdef CONFIG_NUMA
53extern int of_node_to_nid(struct device_node *device);
54#else
55static inline int of_node_to_nid(struct device_node *device) { return 0; }
56#endif
57#define of_node_to_nid of_node_to_nid
58
Grant Likely129ac792010-06-29 09:26:53 -0700[diff] [blame]59extern void of_instantiate_rtc(void);
60
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]61/* These includes are put at the bottom because they may contain things
62 * that are overridden by this file. Ideally they shouldn't be included
63 * by this file, but there are a bunch of .c files that currently depend
64 * on it. Eventually they will be cleaned up. */
65#include <linux/of_fdt.h>
66#include <linux/of_address.h>
67#include <linux/of_irq.h>
68#include <linux/platform_device.h>
69
Paul Mackerras9b6b5632005-10-06 12:06:20 +1000[diff] [blame]70#endif /* __KERNEL__ */
71#endif /* _POWERPC_PROM_H */