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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-12 21:11:33 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-12 21:11:33 -0400
commitf7d02ae76ebbf5b8a9531fe150c49e126a397704 (patch)
treebcfdcab6e70658d55a3c843694e04e938bf9168f /arch/arm/mach-davinci/io.c
parent78db2ad6f4df9145bfd6aab1c0f1c56d615288ec (diff)
parent158304ef09a28c7f2dd37d78f536a4e09ba084a1 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits) [ARM] Use new get_irqnr_preamble [ARM] Ensure machine class menu is sorted alphabetically [ARM] 4333/2: KS8695: Micrel Development board [ARM] 4332/2: KS8695: Serial driver [ARM] 4331/3: Support for Micrel/Kendin KS8695 processor [ARM] 4371/1: AT91: Support for Atmel AT91SAM9RL-EK development board [ARM] 4372/1: Define byte sizes in asm-arm/sizes.h [ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors. [ARM] Update mach-types [ARM] export symbol csum_partial_copy_from_user [ARM] iop13xx: msi support [ARM] stacktrace fix [ARM] Spinlock initializer cleanup [ARM] remove useless config option GENERIC_BUST_SPINLOCK [ARM] 4303/3: base kernel support for TI DaVinci [ARM] 4369/1: AT91: Fix circular dependency in header files [ARM] 4368/1: S3C24xx: build fix [ARM] 4364/1: AT91: LEDS on AT91SAM9261-EK [ARM] Fix iop32x/iop33x build [ARM] EBSA110: fix build errors caused by missing "const" ...
Diffstat (limited to 'arch/arm/mach-davinci/io.c')
-rw-r--r--arch/arm/mach-davinci/io.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c
new file mode 100644
index 000000000000..87fae6fb6ecf
--- /dev/null
+++ b/arch/arm/mach-davinci/io.c
@@ -0,0 +1,51 @@
1/*
2 * DaVinci I/O mapping code
3 *
4 * Copyright (C) 2005-2006 Texas Instruments
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/module.h>
12#include <linux/kernel.h>
13#include <linux/init.h>
14
15#include <asm/tlb.h>
16#include <asm/io.h>
17#include <asm/memory.h>
18
19#include <asm/mach/map.h>
20
21extern void davinci_check_revision(void);
22
23/*
24 * The machine specific code may provide the extra mapping besides the
25 * default mapping provided here.
26 */
27static struct map_desc davinci_io_desc[] __initdata = {
28 {
29 .virtual = IO_VIRT,
30 .pfn = __phys_to_pfn(IO_PHYS),
31 .length = IO_SIZE,
32 .type = MT_DEVICE
33 },
34};
35
36void __init davinci_map_common_io(void)
37{
38 iotable_init(davinci_io_desc, ARRAY_SIZE(davinci_io_desc));
39
40 /* Normally devicemaps_init() would flush caches and tlb after
41 * mdesc->map_io(), but we must also do it here because of the CPU
42 * revision check below.
43 */
44 local_flush_tlb_all();
45 flush_cache_all();
46
47 /* We want to check CPU revision early for cpu_is_xxxx() macros.
48 * IO space mapping must be initialized before we can do that.
49 */
50 davinci_check_revision();
51}