diff options
Diffstat (limited to 'arch/mips/alchemy/common/setup.c')
| -rw-r--r-- | arch/mips/alchemy/common/setup.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c index 7faaa6d593a7..0f60efe0481e 100644 --- a/arch/mips/alchemy/common/setup.c +++ b/arch/mips/alchemy/common/setup.c @@ -27,6 +27,7 @@ #include <linux/init.h> #include <linux/ioport.h> +#include <linux/mm.h> #include <asm/dma-coherence.h> #include <asm/mipsregs.h> @@ -72,9 +73,9 @@ void __init plat_mem_setup(void) iomem_resource.end = IOMEM_RESOURCE_END; } -#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_PCI) +#ifdef CONFIG_MIPS_FIXUP_BIGPHYS_ADDR /* This routine should be valid for all Au1x based boards */ -phys_addr_t __fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) +phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) { unsigned long start = ALCHEMY_PCI_MEMWIN_START; unsigned long end = ALCHEMY_PCI_MEMWIN_END; @@ -90,5 +91,13 @@ phys_addr_t __fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) /* default nop */ return phys_addr; } -EXPORT_SYMBOL(__fixup_bigphys_addr); -#endif + +int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long vaddr, + unsigned long pfn, unsigned long size, pgprot_t prot) +{ + phys_addr_t phys_addr = fixup_bigphys_addr(pfn << PAGE_SHIFT, size); + + return remap_pfn_range(vma, vaddr, phys_addr >> PAGE_SHIFT, size, prot); +} +EXPORT_SYMBOL(io_remap_pfn_range); +#endif /* CONFIG_MIPS_FIXUP_BIGPHYS_ADDR */ |