mtk-lk/platform/mt6765/include/platform/sync_write.h

#ifndef _SYNC_WRITE_H
#define _SYNC_WRITE_H

#define dsb()   \
        do {    \
            __asm__ __volatile__ ("dsb" : : : "memory"); \
        } while (0)

#define mt_reg_sync_writel(v, a)    mt65xx_reg_sync_writel(v, a)
#define mt_reg_sync_writew(v, a)    mt65xx_reg_sync_writew(v, a)
#define mt_reg_sync_writeb(v, a)    mt65xx_reg_sync_writeb(v, a)

#define mt65xx_reg_sync_writel(v, a) \
        do {    \
            *(volatile unsigned int *)(a) = (v);    \
            dsb(); \
        } while (0)

#define mt65xx_reg_sync_writew(v, a) \
        do {    \
            *(volatile unsigned short *)(a) = (v);    \
            dsb(); \
        } while (0)

#define mt65xx_reg_sync_writeb(v, a) \
        do {    \
            *(volatile unsigned char *)(a) = (v);    \
            dsb(); \
        } while (0)
#endif