mmDCORE0_EDMA0_CORE_CTX_AXUSER_HB_MMU_BP
old_mmubp = RREG32(mmDCORE0_EDMA0_CORE_CTX_AXUSER_HB_MMU_BP);
WREG32(mmDCORE0_EDMA0_CORE_CTX_AXUSER_HB_MMU_BP +
WREG32(mmDCORE0_EDMA0_CORE_CTX_AXUSER_HB_MMU_BP + edma_offset, old_mmubp);
WREG32(mmDCORE0_EDMA0_CORE_CTX_AXUSER_HB_MMU_BP + dcore_offset, 0);