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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 18:40:39 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 18:40:39 -0500
commitea14fad0d416354a4e9bb1a04f32acba706f9548 (patch)
tree2c8acc5331f189aef1d40ddce3f40d6be9314e77 /include/asm-arm/arch-pxa/memory.h
parent6ee7e78e7c78d871409ad4df30551c9355be7d0e (diff)
parent6705cda24fad1cb0ac82ac4f312df8ec735b39b0 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (76 commits) [ARM] 4002/1: S3C24XX: leave parent IRQs unmasked [ARM] 4001/1: S3C24XX: shorten reboot time [ARM] 3983/2: remove unused argument to __bug() [ARM] 4000/1: Osiris: add third serial port in [ARM] 3999/1: RX3715: suspend to RAM support [ARM] 3998/1: VR1000: LED platform devices [ARM] 3995/1: iop13xx: add iop13xx support [ARM] 3968/1: iop13xx: add iop13xx_defconfig [ARM] Update mach-types [ARM] Allow gcc to optimise arm_add_memory a little more [ARM] 3991/1: i.MX/MX1 high resolution time source [ARM] 3990/1: i.MX/MX1 more precise PLL decode [ARM] 3986/1: H1940: suspend to RAM support [ARM] 3985/1: ixp4xx clocksource cleanup [ARM] 3984/1: ixp4xx/nslu2: Fix disk LED numbering (take 2) [ARM] 3994/1: ixp23xx: fix handling of pci master aborts [ARM] 3981/1: sched_clock for PXA2xx [ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to 63 bit [ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit period [ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter ...
Diffstat (limited to 'include/asm-arm/arch-pxa/memory.h')
-rw-r--r--include/asm-arm/arch-pxa/memory.h36
1 files changed, 3 insertions, 33 deletions
diff --git a/include/asm-arm/arch-pxa/memory.h b/include/asm-arm/arch-pxa/memory.h
index eaf6d43939e9..e17f9881faf0 100644
--- a/include/asm-arm/arch-pxa/memory.h
+++ b/include/asm-arm/arch-pxa/memory.h
@@ -27,7 +27,6 @@
27#define __virt_to_bus(x) __virt_to_phys(x) 27#define __virt_to_bus(x) __virt_to_phys(x)
28#define __bus_to_virt(x) __phys_to_virt(x) 28#define __bus_to_virt(x) __phys_to_virt(x)
29 29
30#ifdef CONFIG_DISCONTIGMEM
31/* 30/*
32 * The nodes are matched with the physical SDRAM banks as follows: 31 * The nodes are matched with the physical SDRAM banks as follows:
33 * 32 *
@@ -35,38 +34,9 @@
35 * node 1: 0xa4000000-0xa7ffffff --> 0xc4000000-0xc7ffffff 34 * node 1: 0xa4000000-0xa7ffffff --> 0xc4000000-0xc7ffffff
36 * node 2: 0xa8000000-0xabffffff --> 0xc8000000-0xcbffffff 35 * node 2: 0xa8000000-0xabffffff --> 0xc8000000-0xcbffffff
37 * node 3: 0xac000000-0xafffffff --> 0xcc000000-0xcfffffff 36 * node 3: 0xac000000-0xafffffff --> 0xcc000000-0xcfffffff
37 *
38 * This needs a node mem size of 26 bits.
38 */ 39 */
39 40#define NODE_MEM_SIZE_BITS 26
40/*
41 * Given a kernel address, find the home node of the underlying memory.
42 */
43#define KVADDR_TO_NID(addr) (((unsigned long)(addr) - PAGE_OFFSET) >> 26)
44
45/*
46 * Given a page frame number, convert it to a node id.
47 */
48#define PFN_TO_NID(pfn) (((pfn) - PHYS_PFN_OFFSET) >> (26 - PAGE_SHIFT))
49
50/*
51 * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory
52 * and returns the mem_map of that node.
53 */
54#define ADDR_TO_MAPBASE(kaddr) NODE_MEM_MAP(KVADDR_TO_NID(kaddr))
55
56/*
57 * Given a page frame number, find the owning node of the memory
58 * and returns the mem_map of that node.
59 */
60#define PFN_TO_MAPBASE(pfn) NODE_MEM_MAP(PFN_TO_NID(pfn))
61
62/*
63 * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
64 * and returns the index corresponding to the appropriate page in the
65 * node's mem_map.
66 */
67#define LOCAL_MAP_NR(addr) \
68 (((unsigned long)(addr) & 0x03ffffff) >> PAGE_SHIFT)
69
70#endif
71 41
72#endif 42#endif