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yaml
---
r: 313110
b: refs/heads/master
c: 3785d2d
h: refs/heads/master
v: v3
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Alexander Shiyan authored and Arnd Bergmann committed Jul 17, 2012
1 parent fc84cb4 commit 075b7ae
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 02d7d6d2b695054687677e474f00d2f24a8be49a
refs/heads/master: 3785d2d0f298ed7aaa7acbd76020be2d66827077
37 changes: 0 additions & 37 deletions trunk/arch/arm/mach-clps711x/include/mach/memory.h
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*/
#define PLAT_PHYS_OFFSET UL(0xc0000000)

#if !defined(CONFIG_ARCH_CDB89712) && !defined (CONFIG_ARCH_AUTCPU12)

#define __virt_to_bus(x) ((x) - PAGE_OFFSET)
#define __bus_to_virt(x) ((x) + PAGE_OFFSET)
#define __pfn_to_bus(x) (__pfn_to_phys(x) - PHYS_OFFSET)
#define __bus_to_pfn(x) __phys_to_pfn((x) + PHYS_OFFSET)

#endif


/*
* Like the SA1100, the EDB7211 has a large gap between physical RAM
* banks. In 2.2, the Psion (CL-PS7110) port added custom support for
* discontiguous physical memory. In 2.4, we can use the standard
* Linux NUMA support.
*
* This is not necessary for EP7211 implementations with only one used
* memory bank. For those systems, simply undefine CONFIG_DISCONTIGMEM.
*/

/*
* The PS7211 allows up to 256MB max per DRAM bank, but the EDB7211
* uses only one of the two banks (bank #1). However, even within
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* them, so we use 24 for the node max shift to get 16MB node sizes.
*/

/*
* Because of the wide memory address space between physical RAM banks on the
* SA1100, it's much more convenient to use Linux's NUMA support to implement
* our memory map representation. Assuming all memory nodes have equal access
* characteristics, we then have generic discontiguous memory support.
*
* Of course, all this isn't mandatory for SA1100 implementations with only
* one used memory bank. For those, simply undefine CONFIG_DISCONTIGMEM.
*
* The nodes are matched with the physical memory bank addresses which are
* incidentally the same as virtual addresses.
*
* node 0: 0xc0000000 - 0xc7ffffff
* node 1: 0xc8000000 - 0xcfffffff
* node 2: 0xd0000000 - 0xd7ffffff
* node 3: 0xd8000000 - 0xdfffffff
*/
#define SECTION_SIZE_BITS 24
#define MAX_PHYSMEM_BITS 32

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