diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-28 13:53:03 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-28 13:53:03 -0800 |
commit | ca9ba4471c1203bb6e759b76e83167fec54fe590 (patch) | |
tree | 8aeb359631742f77f635cb5ff785bea9132502f9 /include/asm-arm/arch-ixp23xx/memory.h | |
parent | d4965b3e2ff94d0c7b7e6e7e9794b54950a2f4b9 (diff) | |
parent | c4713074375c61f939310b04e92090afe29810dc (diff) |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3388/1: ixp23xx: add core ixp23xx support
[ARM] 3417/1: add support for logicpd pxa270 card engine
[ARM] 3387/1: ixp23xx: add defconfig
[ARM] 3377/2: add support for intel xsc3 core
[ARM] Move ice-dcc code into misc.c
[ARM] Fix decompressor serial IO to give CRLF not LFCR
[ARM] proc-v6: mark page table walks outer-cacheable, shared. Enable NX.
[ARM] nommu: trivial patch for arch/arm/lib/Makefile
[ARM] 3416/1: Update LART site URL
[ARM] 3415/1: Akita: Add missing EXPORT_SYMBOL
[ARM] 3414/1: ep93xx: reset ethernet controller before uncompressing
Diffstat (limited to 'include/asm-arm/arch-ixp23xx/memory.h')
-rw-r--r-- | include/asm-arm/arch-ixp23xx/memory.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp23xx/memory.h b/include/asm-arm/arch-ixp23xx/memory.h new file mode 100644 index 00000000000..bebcf0aa0d7 --- /dev/null +++ b/include/asm-arm/arch-ixp23xx/memory.h @@ -0,0 +1,46 @@ +/* + * include/asm-arm/arch-ixp23xx/memory.h + * + * Copyright (c) 2003-2004 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <asm/hardware.h> + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET (0x00000000) + + +/* + * Virtual view <-> DMA view memory address translations + * virt_to_bus: Used to translate the virtual address to an + * address suitable to be passed to set_dma_addr + * bus_to_virt: Used to convert an address for DMA operations + * to an address that the kernel can use. + */ +#ifndef __ASSEMBLY__ + +#define __virt_to_bus(v) \ + ({ unsigned int ret; \ + ret = ((__virt_to_phys(v) - 0x00000000) + \ + (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)); \ + ret; }) + +#define __bus_to_virt(b) \ + ({ unsigned int data; \ + data = *((volatile int *)IXP23XX_PCI_SDRAM_BAR); \ + __phys_to_virt((((b - (data & 0xfffffff0)) + 0x00000000))); }) + +#endif + + +#endif |