X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fmm%2Fpgtable_64.c;h=16e4ee1c2318e726c8e2bf9df3b6a9b1ec867197;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=7b278d83739ee64614ab0651ecfbc959749a1204;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 7b278d837..16e4ee1c2 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -22,7 +22,6 @@ * */ -#include #include #include #include @@ -64,32 +63,13 @@ #include #include #include +#include #include "mmu_decl.h" unsigned long ioremap_bot = IMALLOC_BASE; static unsigned long phbs_io_bot = PHBS_IO_BASE; -#ifdef CONFIG_PPC_ISERIES - -void __iomem *ioremap(unsigned long addr, unsigned long size) -{ - return (void __iomem *)addr; -} - -extern void __iomem *__ioremap(unsigned long addr, unsigned long size, - unsigned long flags) -{ - return (void __iomem *)addr; -} - -void iounmap(volatile void __iomem *addr) -{ - return; -} - -#else - /* * map_io_page currently only called by __ioremap * map_io_page adds an entry to the ioremap page table @@ -133,7 +113,7 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags) } -static void __iomem * __ioremap_com(unsigned long addr, unsigned long pa, +static void __iomem * __ioremap_com(phys_addr_t addr, unsigned long pa, unsigned long ea, unsigned long size, unsigned long flags) { @@ -149,14 +129,7 @@ static void __iomem * __ioremap_com(unsigned long addr, unsigned long pa, return (void __iomem *) (ea + (addr & ~PAGE_MASK)); } - -void __iomem * -ioremap(unsigned long addr, unsigned long size) -{ - return __ioremap(addr, size, _PAGE_NO_CACHE | _PAGE_GUARDED); -} - -void __iomem * __ioremap(unsigned long addr, unsigned long size, +void __iomem * __ioremap(phys_addr_t addr, unsigned long size, unsigned long flags) { unsigned long pa, ea; @@ -195,9 +168,28 @@ void __iomem * __ioremap(unsigned long addr, unsigned long size, return ret; } + +void __iomem * ioremap(phys_addr_t addr, unsigned long size) +{ + unsigned long flags = _PAGE_NO_CACHE | _PAGE_GUARDED; + + if (ppc_md.ioremap) + return ppc_md.ioremap(addr, size, flags); + return __ioremap(addr, size, flags); +} + +void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size, + unsigned long flags) +{ + if (ppc_md.ioremap) + return ppc_md.ioremap(addr, size, flags); + return __ioremap(addr, size, flags); +} + + #define IS_PAGE_ALIGNED(_val) ((_val) == ((_val) & PAGE_MASK)) -int __ioremap_explicit(unsigned long pa, unsigned long ea, +int __ioremap_explicit(phys_addr_t pa, unsigned long ea, unsigned long size, unsigned long flags) { struct vm_struct *area; @@ -252,7 +244,7 @@ int __ioremap_explicit(unsigned long pa, unsigned long ea, * * XXX what about calls before mem_init_done (ie python_countermeasures()) */ -void iounmap(volatile void __iomem *token) +void __iounmap(volatile void __iomem *token) { void *addr; @@ -264,6 +256,14 @@ void iounmap(volatile void __iomem *token) im_free(addr); } +void iounmap(volatile void __iomem *token) +{ + if (ppc_md.iounmap) + ppc_md.iounmap(token); + else + __iounmap(token); +} + static int iounmap_subset_regions(unsigned long addr, unsigned long size) { struct vm_struct *area; @@ -282,7 +282,7 @@ static int iounmap_subset_regions(unsigned long addr, unsigned long size) return 0; } -int iounmap_explicit(volatile void __iomem *start, unsigned long size) +int __iounmap_explicit(volatile void __iomem *start, unsigned long size) { struct vm_struct *area; unsigned long addr; @@ -316,11 +316,11 @@ int iounmap_explicit(volatile void __iomem *start, unsigned long size) return 0; } -#endif - EXPORT_SYMBOL(ioremap); +EXPORT_SYMBOL(ioremap_flags); EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); +EXPORT_SYMBOL(__iounmap); void __iomem * reserve_phb_iospace(unsigned long size) {