Commit cb700aa4 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: ioremap_prot support. 



Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 934135c1

arch/sh/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ config SUPERH 
	select HAVE_IDE

	select HAVE_OPROFILE

	select HAVE_GENERIC_DMA_COHERENT

	select HAVE_IOREMAP_PROT

	help

	  The SuperH is a RISC processor targeted for use in embedded systems

	  and consumer electronics; it was also used in the Sega Dreamcast

arch/sh/include/asm/io.h

+2 −0
Original line number Diff line number Diff line
@@ -347,6 +347,8 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags) 
	__ioremap_mode((offset), (size), _PAGE_CACHABLE)

#define p3_ioremap(offset, size, flags)			\

	__ioremap((offset), (size), (flags))

#define ioremap_prot(offset, size, flags)		\

	__ioremap_mode((offset), (size), (flags))

#define iounmap(addr)					\

	__iounmap((addr))

arch/sh/include/asm/page.h

+2 −0
Original line number Diff line number Diff line
@@ -104,6 +104,8 @@ typedef struct { unsigned long pgd; } pgd_t; 


typedef struct page *pgtable_t;



#define pte_pgprot(x) __pgprot(pte_val(x) & PTE_FLAGS_MASK)



#endif /* !__ASSEMBLY__ */



/*

arch/sh/include/asm/pgtable.h

+1 −0
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; 
#endif



#define PTE_PHYS_MASK		(PHYS_ADDR_MASK & PAGE_MASK)

#define PTE_FLAGS_MASK		(~(PTE_PHYS_MASK) << PAGE_SHIFT)



#ifdef CONFIG_SUPERH32

#define VMALLOC_START	(P3SEG)

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