mmio.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __ARCH_MMIO_H__
#define __ARCH_MMIO_H__
 
#include <endian.h>
#include <stdint.h>
 
static __always_inline uint8_t read8(const volatile void *addr)
{
        return *((volatile uint8_t *)(addr));
}
 
static __always_inline uint16_t read16(const volatile void *addr)
{
        return *((volatile uint16_t *)(addr));
}
 
static __always_inline uint32_t read32(const volatile void *addr)
{
        return *((volatile uint32_t *)(addr));
}
 
static __always_inline uint64_t read64(const volatile void *addr)
{
        return *((volatile uint64_t *)(addr));
}
 
static __always_inline void write8(volatile void *addr, uint8_t value)
{
        *((volatile uint8_t *)(addr)) = value;
}
 
static __always_inline void write16(volatile void *addr, uint16_t value)
{
        *((volatile uint16_t *)(addr)) = value;
}
 
static __always_inline void write32(volatile void *addr, uint32_t value)
{
        *((volatile uint32_t *)(addr)) = value;
}
 
static __always_inline void write64(volatile void *addr, uint64_t value)
{
        *((volatile uint64_t *)(addr)) = value;
}
 
#endif /* __ARCH_MMIO_H__ */