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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-12 21:11:33 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-12 21:11:33 -0400 |
commit | f7d02ae76ebbf5b8a9531fe150c49e126a397704 (patch) | |
tree | bcfdcab6e70658d55a3c843694e04e938bf9168f /arch/arm/mach-davinci/io.c | |
parent | 78db2ad6f4df9145bfd6aab1c0f1c56d615288ec (diff) | |
parent | 158304ef09a28c7f2dd37d78f536a4e09ba084a1 (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.c | 51 |
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 | |||
21 | extern 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 | */ | ||
27 | static 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 | |||
36 | void __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 | } | ||