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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-12 18:11:33 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-12 18:11:33 -0700 |
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 @@ +/* + * DaVinci I/O mapping code + * + * Copyright (C) 2005-2006 Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/tlb.h> +#include <asm/io.h> +#include <asm/memory.h> + +#include <asm/mach/map.h> + +extern void davinci_check_revision(void); + +/* + * The machine specific code may provide the extra mapping besides the + * default mapping provided here. + */ +static struct map_desc davinci_io_desc[] __initdata = { + { + .virtual = IO_VIRT, + .pfn = __phys_to_pfn(IO_PHYS), + .length = IO_SIZE, + .type = MT_DEVICE + }, +}; + +void __init davinci_map_common_io(void) +{ + iotable_init(davinci_io_desc, ARRAY_SIZE(davinci_io_desc)); + + /* Normally devicemaps_init() would flush caches and tlb after + * mdesc->map_io(), but we must also do it here because of the CPU + * revision check below. + */ + local_flush_tlb_all(); + flush_cache_all(); + + /* We want to check CPU revision early for cpu_is_xxxx() macros. + * IO space mapping must be initialized before we can do that. + */ + davinci_check_revision(); +} |