linux-toradex.git/arch/arm/include/asm/memory.h, branch v3.4.73

ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds

2012-03-24T09:38:56+00:00

XIP_VIRT_ADDR is needed for XIP builds and currently only defined for
builds with CONFIG_MMU.

Also provide it for no-MMU builds to make it possible to build an XIP
kernel for MMU-less machines. As these lack an MMU it has to be an
identity mapping.

Acked-by: Nicolas Pitre 
Signed-off-by: Uwe Kleine-König 
Signed-off-by: Russell King

ARM: switch from NO_MACH_MEMORY_H to NEED_MACH_MEMORY_H

2011-10-13T16:53:53+00:00

Given that we want the default to not have any  and given
that there are now fewer cases where it is still provided than the cases
where it is not at this point, this makes sense to invert the logic and
just identify the exception cases.

The word "need" instead of "have" was chosen to construct the config
symbol so not to suggest that having a mach/memory.h file is actually
a feature that one should aim for.

Signed-off-by: Nicolas Pitre

ARM: prepare for removal of a bunch of files

2011-09-26T14:11:58+00:00

When the CONFIG_NO_MACH_MEMORY_H symbol is selected by a particular
machine class, the machine specific memory.h include file is no longer
used and can be removed.  In that case the equivalent information can
be obtained dynamically at runtime by enabling CONFIG_ARM_PATCH_PHYS_VIRT
or by specifying the physical memory address at kernel configuration time.

If/when all instances of mach/memory.h are removed then this symbol could
be removed.

Signed-off-by: Nicolas Pitre

Merge the enabling by default of ARM_PATCH_PHYS_VIRT

2011-08-29T19:29:00+00:00

Conflicts:
	arch/arm/mach-msm/board-msm7x30.c

ARM: Add init_consistent_dma_size()

2011-08-22T12:00:10+00:00

This function can be called during boot to increase the size of the consistent
DMA region above it's default value of 2MB. It must be called before the memory
allocator is initialised, i.e. before any core_initcall.

Signed-off-by: Jon Medhurst 
Acked-by: Nicolas Pitre

ARM: 7013/1: P2V: Remove ARM_PATCH_PHYS_VIRT_16BIT

2011-08-13T10:26:40+00:00

This code can be removed now that MSM targets no longer need the 16-bit
offsets for P2V.

Signed-off-by: Nicolas Pitre 
Signed-off-by: Stephen Boyd 
Signed-off-by: Russell King

ARM: dma: replace ISA_DMA_THRESHOLD with a variable

2011-07-12T10:08:12+00:00

ISA_DMA_THRESHOLD has been unused by non-arch code, so lets now get
rid of it from ARM by replacing it with arm_dma_zone_mask.  Move
dma_supported() and dma_set_mask() out of line, and have
dma_supported() check this new variable instead.

Signed-off-by: Russell King

ARM: use ARM_DMA_ZONE_SIZE to adjust the zone sizes

2011-05-12T07:36:53+00:00

Rather than each platform providing its own function to adjust the
zone sizes, use the new ARM_DMA_ZONE_SIZE definition to perform this
adjustment.  This ensures that the actual DMA zone size and the
ISA_DMA_THRESHOLD/MAX_DMA_ADDRESS definitions are consistent with
each other, and moves this complexity out of the platform code.

Acked-by: Nicolas Pitre 
Acked-by: Catalin Marinas 
Signed-off-by: Russell King

ARM: Replace platform definition of ISA_DMA_THRESHOLD/MAX_DMA_ADDRESS

2011-05-12T07:36:49+00:00

The values of ISA_DMA_THRESHOLD and MAX_DMA_ADDRESS are related; one is
the physical/bus address, the other is the virtual address.  Both need
to be kept in step, so rather than having platforms define both, allow
them to define a single macro which sets both of these macros
appropraitely.

Acked-by: Nicolas Pitre 
Acked-by: Catalin Marinas 
Signed-off-by: Russell King

ARM: 6675/1: use phys_addr_t instead of unsigned long in conversion code

2011-02-17T23:27:34+00:00

The unsigned long datatype is not sufficient for mapping physical addresses
>= 4GB.

This patch ensures that the address conversion code in asm/memory.h casts
to the correct type when handling physical addresses. The internal v2p
macros only deal with lowmem addresses, so these do not need to be modified.

Acked-by: Catalin Marinas 
Signed-off-by: Will Deacon 
Signed-off-by: Russell King