IoWriteMmReg8(), IoWriteMmReg16(), IoWriteMmReg32()

These functions are declared in the coresrv/io/mmio.h file.

void IoWriteMmReg8(volatile void *reg, rtl_uint8_t data);

void IoWriteMmReg16(volatile void *reg, rtl_uint16_t data);

void IoWriteMmReg32(volatile void *reg, rtl_uint32_t data);

These functions write a one-, two-, or four-byte data value to the register mapped to the reg address.