mmDMA4_QM_GLBL_CFG0
WREG32(mmDMA4_QM_GLBL_CFG0, 0);
pb_addr = (mmDMA4_QM_GLBL_CFG0 & ~0xFFF) + PROT_BITS_OFFS;
word_offset = ((mmDMA4_QM_GLBL_CFG0 & PROT_BITS_OFFS) >> 7) << 2;
mask = 1U << ((mmDMA4_QM_GLBL_CFG0 & 0x7F) >> 2);