LCOM1920-T02G10

#ifndef __MMIO_H__

#define __MMIO_H__

#define REG16(x)(*((volatile uint16_t *)(x)))

#define REG(x)(*((volatile uint32_t *)(x)))

#define BIT(x)(0x1 << x)

/* Write a uint32_t value to a memory address. */

static inline void

write32(uint32_t address, uint32_t value)

{

        REG(address) = value;

}

/* Read an uint32_t from a memory address */

static inline uint32_t

read32(uint32_t address)

{

        return REG(address);

}

/* Set a 32 bits value depending on a mask */

static inline void

set32(uint32_t address, uint32_t mask, uint32_t value)

{

        uint32_t val;

        val = read32(address);

        /* clear the bits */

        val &= ~(mask);

        /* apply the value using the mask */

        val |= (value & mask);

        write32(address, val);

}

/* Write a uint16_t value to a memory address. */

static inline void

write16(uint32_t address, uint16_t value)

{

        REG16(address) = value;

}

/* Read an uint16_t from a memory address */

static inline uint16_t

read16(uint32_t address)

{

        return REG16(address);

}

/* Set a 16 bits value depending on a mask */

static inline void

set16(uint32_t address, uint16_t mask, uint16_t value)

{

        uint16_t val;

        val = read16(address);

        /* clear the bits */

        val &= ~(mask);

        /* apply the value using the mask */

        val |= (value & mask);

        write16(address, val);

}

#endif /* __MMIO_H__ */