1*433d6423SLionel Sambuc #ifndef _ARM_IO_H_ 2*433d6423SLionel Sambuc #define _ARM_IO_H_ 3*433d6423SLionel Sambuc 4*433d6423SLionel Sambuc #ifndef __ASSEMBLY__ 5*433d6423SLionel Sambuc 6*433d6423SLionel Sambuc #include <sys/types.h> 7*433d6423SLionel Sambuc 8*433d6423SLionel Sambuc /* Access memory-mapped I/O devices */ 9*433d6423SLionel Sambuc #define mmio_read(a) (*(volatile u32_t *)(a)) 10*433d6423SLionel Sambuc #define mmio_write(a,v) (*(volatile u32_t *)(a) = (v)) 11*433d6423SLionel Sambuc #define mmio_set(a,v) mmio_write((a), mmio_read((a)) | (v)) 12*433d6423SLionel Sambuc #define mmio_clear(a,v) mmio_write((a), mmio_read((a)) & ~(v)) 13*433d6423SLionel Sambuc 14*433d6423SLionel Sambuc #endif /* __ASSEMBLY__ */ 15*433d6423SLionel Sambuc 16*433d6423SLionel Sambuc #endif /* _ARM_IO_H_ */ 17