diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2006-09-19 00:10:26 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-25 11:25:36 +0200 |
| commit | 3f7e5815f4b774270e6506962de37af85aa9c830 (patch) | |
| tree | 7e4a2b0d6f8b9f1a21ba7a4eb8baf1a1ec04d4f9 /include/asm-arm/arch-iop32x/memory.h | |
| parent | [ARM] 3816/1: iop3xx: rename config symbols (diff) | |
| download | linux-3f7e5815f4b774270e6506962de37af85aa9c830.tar.xz linux-3f7e5815f4b774270e6506962de37af85aa9c830.zip | |
[ARM] 3817/1: iop3xx: split the iop3xx mach into iop32x and iop33x
Split the iop3xx mach type into iop32x and iop33x -- split the config
symbols, and move the code in the mach-iop3xx directory to the mach-iop32x
and mach-iop33x directories.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-iop32x/memory.h')
| -rw-r--r-- | include/asm-arm/arch-iop32x/memory.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop32x/memory.h b/include/asm-arm/arch-iop32x/memory.h new file mode 100644 index 000000000000..b4073f15b405 --- /dev/null +++ b/include/asm-arm/arch-iop32x/memory.h @@ -0,0 +1,27 @@ +/* + * linux/include/asm-arm/arch-iop32x/memory.h + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <asm/hardware.h> + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET UL(0xa0000000) + +/* + * Virtual view <-> PCI 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. + */ + +#define __virt_to_bus(x) (((__virt_to_phys(x)) & ~(*IOP321_IATVR2)) | ((*IOP321_IABAR2) & 0xfffffff0)) +#define __bus_to_virt(x) (__phys_to_virt(((x) & ~(*IOP321_IALR2)) | ( *IOP321_IATVR2))) + + +#endif |