diff options
| author | Simon Glass <sjg@chromium.org> | 2015-03-05 12:25:26 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-16 19:27:43 -0600 |
| commit | 9569c40668290408eac447f9be99dab603c8e34c (patch) | |
| tree | f476d89aaed8887ebca97da08da07abc2c455fe3 /arch/sandbox/include/asm/io.h | |
| parent | ff3e077bd23c37c83d01aad105e528194e33d75e (diff) | |
| download | u-boot-9569c40668290408eac447f9be99dab603c8e34c.tar.gz | |
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 <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox/include/asm/io.h')
| -rw-r--r-- | arch/sandbox/include/asm/io.h | 16 |
1 files changed, 12 insertions, 4 deletions
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 <iotrace.h> #endif |