diff options
| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-11-29 10:50:22 +0000 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-11-29 10:50:22 +0000 |
| commit | b9c78022b0e65cdca2541be658f0e74138e92ffe (patch) | |
| tree | e23644c81ea8218b6852645a392e68f98c9775b9 /arch/arm/mach-h720x/include/mach/memory.h | |
| parent | [ARM] Remove unnecessary mach/hardware.h includes in arch/arm/mm (diff) | |
| download | linux-dev-b9c78022b0e65cdca2541be658f0e74138e92ffe.tar.xz linux-dev-b9c78022b0e65cdca2541be658f0e74138e92ffe.zip | |
[ARM] move MAX_DMA_ADDRESS to mach/memory.h
Move the definition of MAX_DMA_ADDRESS from mach/dma.h to mach/memory.h,
thereby placing it along side its relative, ISA_DMA_THRESHOLD.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-h720x/include/mach/memory.h')
| -rw-r--r-- | arch/arm/mach-h720x/include/mach/memory.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h index 83a2fa090e88..8cfb665e04b1 100644 --- a/arch/arm/mach-h720x/include/mach/memory.h +++ b/arch/arm/mach-h720x/include/mach/memory.h @@ -8,5 +8,14 @@ #define __ASM_ARCH_MEMORY_H #define PHYS_OFFSET UL(0x40000000) +/* + * This is the maximum DMA address that can be DMAd to. + * There should not be more than (0xd0000000 - 0xc0000000) + * bytes of RAM. + * + * If you set this, you must also set ISA_DMA_THRESHOLD and setup a DMA + * zone if this does not cover all possible RAM. + */ +#define MAX_DMA_ADDRESS 0xd0000000 #endif |