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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/ppc/boot/of1275/map.c
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'arch/ppc/boot/of1275/map.c')
-rw-r--r--arch/ppc/boot/of1275/map.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/ppc/boot/of1275/map.c b/arch/ppc/boot/of1275/map.c
new file mode 100644
index 000000000000..443256c6f6d6
--- /dev/null
+++ b/arch/ppc/boot/of1275/map.c
@@ -0,0 +1,48 @@
1/*
2 * Copyright (C) Paul Mackerras 1997.
3 * Copyright (C) Leigh Brown 2002.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10
11#include "of1275.h"
12#include "nonstdio.h"
13
14extern ihandle of_prom_mmu;
15
16int
17map(unsigned int phys, unsigned int virt, unsigned int size)
18{
19 struct prom_args {
20 char *service;
21 int nargs;
22 int nret;
23 char *method;
24 ihandle mmu_ihandle;
25 int misc;
26 unsigned int size;
27 unsigned int virt;
28 unsigned int phys;
29 int ret0;
30 } args;
31
32 if (of_prom_mmu == 0) {
33 printf("map() called, no MMU found\n");
34 return -1;
35 }
36 args.service = "call-method";
37 args.nargs = 6;
38 args.nret = 1;
39 args.method = "map";
40 args.mmu_ihandle = of_prom_mmu;
41 args.misc = 0;
42 args.phys = phys;
43 args.virt = virt;
44 args.size = size;
45 (*of_prom_entry)(&args);
46
47 return (int)args.ret0;
48}