diff options
Diffstat (limited to 'arch/ia64/include/asm/io.h')
| -rw-r--r-- | arch/ia64/include/asm/io.h | 45 |
1 files changed, 15 insertions, 30 deletions
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h index 260a85ac9d6..0d2bcb37ec3 100644 --- a/arch/ia64/include/asm/io.h +++ b/arch/ia64/include/asm/io.h @@ -19,6 +19,8 @@ * Copyright (C) 1999 Don Dugger <don.dugger@intel.com> */ +#include <asm/unaligned.h> + /* We don't use IO slowdowns on the ia64, but.. */ #define __SLOW_DOWN_IO do { } while (0) #define SLOW_DOWN_IO do { } while (0) @@ -69,7 +71,6 @@ extern unsigned int num_io_spaces; #include <asm/intrinsics.h> #include <asm/machvec.h> #include <asm/page.h> -#include <asm/system.h> #include <asm-generic/iomap.h> /* @@ -89,7 +90,7 @@ phys_to_virt (unsigned long address) #define ARCH_HAS_VALID_PHYS_ADDR_RANGE extern u64 kern_mem_attribute (unsigned long phys_addr, unsigned long size); -extern int valid_phys_addr_range (unsigned long addr, size_t count); /* efi.c */ +extern int valid_phys_addr_range (phys_addr_t addr, size_t count); /* efi.c */ extern int valid_mmap_phys_addr_range (unsigned long pfn, size_t count); /* @@ -241,7 +242,7 @@ __insw (unsigned long port, void *dst, unsigned long count) unsigned short *dp = dst; while (count--) - *dp++ = platform_inw(port); + put_unaligned(platform_inw(port), dp++); } static inline void @@ -250,7 +251,7 @@ __insl (unsigned long port, void *dst, unsigned long count) unsigned int *dp = dst; while (count--) - *dp++ = platform_inl(port); + put_unaligned(platform_inl(port), dp++); } static inline void @@ -268,7 +269,7 @@ __outsw (unsigned long port, const void *src, unsigned long count) const unsigned short *sp = src; while (count--) - platform_outw(*sp++, port); + platform_outw(get_unaligned(sp++), port); } static inline void @@ -277,7 +278,7 @@ __outsl (unsigned long port, const void *src, unsigned long count) const unsigned int *sp = src; while (count--) - platform_outl(*sp++, port); + platform_outl(get_unaligned(sp++), port); } /* @@ -422,6 +423,14 @@ __writeq (unsigned long val, volatile void __iomem *addr) extern void __iomem * ioremap(unsigned long offset, unsigned long size); extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); extern void iounmap (volatile void __iomem *addr); +extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size); +#define early_memremap(phys_addr, size) early_ioremap(phys_addr, size) +extern void early_iounmap (volatile void __iomem *addr, unsigned long size); +static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size) +{ + return ioremap(phys_addr, size); +} + /* * String version of IO memory access ops: @@ -432,28 +441,4 @@ extern void memset_io(volatile void __iomem *s, int c, long n); # endif /* __KERNEL__ */ -/* - * Enabling BIO_VMERGE_BOUNDARY forces us to turn off I/O MMU bypassing. It is said that - * BIO-level virtual merging can give up to 4% performance boost (not verified for ia64). - * On the other hand, we know that I/O MMU bypassing gives ~8% performance improvement on - * SPECweb-like workloads on zx1-based machines. Thus, for now we favor I/O MMU bypassing - * over BIO-level virtual merging. - */ -extern unsigned long ia64_max_iommu_merge_mask; -#if 1 -#define BIO_VMERGE_BOUNDARY 0 -#else -/* - * It makes no sense at all to have this BIO_VMERGE_BOUNDARY macro here. Should be - * replaced by dma_merge_mask() or something of that sort. Note: the only way - * BIO_VMERGE_BOUNDARY is used is to mask off bits. Effectively, our definition gets - * expanded into: - * - * addr & ((ia64_max_iommu_merge_mask + 1) - 1) == (addr & ia64_max_iommu_vmerge_mask) - * - * which is precisely what we want. - */ -#define BIO_VMERGE_BOUNDARY (ia64_max_iommu_merge_mask + 1) -#endif - #endif /* _ASM_IA64_IO_H */ |