From 9569c40668290408eac447f9be99dab603c8e34c Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 5 Mar 2015 12:25:26 -0700 Subject: dm: sandbox: pci: Add PCI support for sandbox Add the required header information, device tree nodes and I/O accessor functions to support PCI on sandbox. All devices are emulated by drivers which can be added as required for testing or development. Signed-off-by: Simon Glass --- arch/sandbox/include/asm/io.h | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'arch/sandbox/include/asm/io.h') diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h index 895fcb872f..5b87fde116 100644 --- a/arch/sandbox/include/asm/io.h +++ b/arch/sandbox/include/asm/io.h @@ -22,10 +22,7 @@ void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags); /* * Take down a mapping set up by map_physmem(). */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} +void unmap_physmem(const void *vaddr, unsigned long flags); /* For sandbox, we want addresses to point into our RAM buffer */ static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) @@ -33,8 +30,10 @@ static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) return map_physmem(paddr, len, MAP_WRBACK); } +/* Remove a previous mapping */ static inline void unmap_sysmem(const void *vaddr) { + unmap_physmem(vaddr, MAP_WRBACK); } /* Map from a pointer to our RAM buffer */ @@ -48,6 +47,15 @@ phys_addr_t map_to_sysmem(const void *ptr); #define writew(v, addr) #define writel(v, addr) +/* I/O access functions */ +int inl(unsigned int addr); +int inw(unsigned int addr); +int inb(unsigned int addr); + +void outl(unsigned int value, unsigned int addr); +void outw(unsigned int value, unsigned int addr); +void outb(unsigned int value, unsigned int addr); + #include #endif -- cgit v1.2.1