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-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c23
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/memory.h12
2 files changed, 2 insertions, 33 deletions
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index a54b3db80366..e9a589395723 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -342,29 +342,6 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
342 return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M); 342 return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M);
343} 343}
344 344
345/*
346 * Only first 64MB of memory can be accessed via PCI.
347 * We use GFP_DMA to allocate safe buffers to do map/unmap.
348 * This is really ugly and we need a better way of specifying
349 * DMA-capable regions of memory.
350 */
351void __init ixp4xx_adjust_zones(unsigned long *zone_size,
352 unsigned long *zhole_size)
353{
354 unsigned int sz = SZ_64M >> PAGE_SHIFT;
355
356 /*
357 * Only adjust if > 64M on current system
358 */
359 if (zone_size[0] <= sz)
360 return;
361
362 zone_size[1] = zone_size[0] - sz;
363 zone_size[0] = sz;
364 zhole_size[1] = zhole_size[0];
365 zhole_size[0] = 0;
366}
367
368void __init ixp4xx_pci_preinit(void) 345void __init ixp4xx_pci_preinit(void)
369{ 346{
370 unsigned long cpuid = read_cpuid_id(); 347 unsigned long cpuid = read_cpuid_id();
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
index 6d388c9d0e20..34e79404671a 100644
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp4xx/include/mach/memory.h
@@ -14,16 +14,8 @@
14 */ 14 */
15#define PLAT_PHYS_OFFSET UL(0x00000000) 15#define PLAT_PHYS_OFFSET UL(0x00000000)
16 16
17#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI) 17#ifdef CONFIG_PCI
18 18#define ARM_DMA_ZONE_SIZE SZ_64M
19void ixp4xx_adjust_zones(unsigned long *size, unsigned long *holes);
20
21#define arch_adjust_zones(size, holes) \
22 ixp4xx_adjust_zones(size, holes)
23
24#define ISA_DMA_THRESHOLD (SZ_64M - 1)
25#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M)
26
27#endif 19#endif
28 20
29#endif 21#endif