X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fasm-arm%2Fio.h;h=fec3a7eace50ce220355e03bdd5629eed23be80a;hb=c50a6031670a90f799835db7bc1638a3e2a9f1f0;hp=648a10dd92368745e2529c73fb0ff12604ac451e;hpb=7a635e004ec12bd2a0bae9f90fbb5769b524a42e;p=oweals%2Fu-boot.git diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index 648a10dd92..fec3a7eace 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -29,6 +29,39 @@ #include #endif /* XXX###XXX */ +static inline void sync(void) +{ +} + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +static inline void * +map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)paddr; +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} + +static inline phys_addr_t virt_to_phys(void * vaddr) +{ + return (phys_addr_t)(vaddr); +} + /* * Generic virtual read/write. Note that we don't support half-word * read/writes. We define __arch_*[bl] here, and leave __arch_*w @@ -95,7 +128,7 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen); * only. Their primary purpose is to access PCI and ISA peripherals. * * Note that for a big endian machine, this implies that the following - * big endian mode connectivity is in place, as described by numerious + * big endian mode connectivity is in place, as described by numerous * ARM documents: * * PCI: D0-D7 D8-D15 D16-D23 D24-D31