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arm64/xen: implement ioremap_cached on arm64 

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
hifive-unleashed-5.1
Stefano Stabellini 2013-05-31 15:22:25 +00:00
parent 9f54ad6652
commit 22d4102f77
1 changed files with 2 additions and 0 deletions
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arch/arm64/include/asm/io.h
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@ -228,10 +228,12 @@ extern void __iounmap(volatile void __iomem *addr);
#define PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_DIRTY)
#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRE))
#define PROT_NORMAL_NC (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL_NC))
#define PROT_NORMAL (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL))
#define ioremap(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
#define ioremap_nocache(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
#define ioremap_wc(addr, size) __ioremap((addr), (size), __pgprot(PROT_NORMAL_NC))
#define ioremap_cached(addr, size) __ioremap((addr), (size), __pgprot(PROT_NORMAL))
#define iounmap __iounmap
#define PROT_SECT_DEFAULT (PMD_TYPE_SECT | PMD_SECT_AF)