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android-review.linaro.org / kernel / hikey-linaro / 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 / . / include / asm-ppc64 / lmb.h
blob: a6cbca21ac1d7082147fa8800d3851d7c5bbe2b1 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame^]1#ifndef _PPC64_LMB_H
2#define _PPC64_LMB_H
3
4/*
5 * Definitions for talking to the Open Firmware PROM on
6 * Power Macintosh computers.
7 *
8 * Copyright (C) 2001 Peter Bergner, IBM Corp.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
14 */
15
16#include <linux/init.h>
17#include <asm/prom.h>
18
19#define MAX_LMB_REGIONS 128
20
21#define LMB_ALLOC_ANYWHERE 0
22
23struct lmb_property {
24 unsigned long base;
25 unsigned long physbase;
26 unsigned long size;
27};
28
29struct lmb_region {
30 unsigned long cnt;
31 unsigned long size;
32 struct lmb_property region[MAX_LMB_REGIONS+1];
33};
34
35struct lmb {
36 unsigned long debug;
37 unsigned long rmo_size;
38 struct lmb_region memory;
39 struct lmb_region reserved;
40};
41
42extern struct lmb lmb;
43
44extern void __init lmb_init(void);
45extern void __init lmb_analyze(void);
46extern long __init lmb_add(unsigned long, unsigned long);
47extern long __init lmb_reserve(unsigned long, unsigned long);
48extern unsigned long __init lmb_alloc(unsigned long, unsigned long);
49extern unsigned long __init lmb_alloc_base(unsigned long, unsigned long,
50 unsigned long);
51extern unsigned long __init lmb_phys_mem_size(void);
52extern unsigned long __init lmb_end_of_DRAM(void);
53extern unsigned long __init lmb_abs_to_phys(unsigned long);
54extern void __init lmb_enforce_memory_limit(void);
55
56extern void lmb_dump_all(void);
57
58extern unsigned long io_hole_start;
59
60#endif /* _PPC64_LMB_H */