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PD#SWPL-172985 Problem: Need to support 64 bits addressing Solution: 1. Add dma_dsc_64 and dma_sg_dsc_64 2. dma_set_mask is set to 64 3. dma_set_coherent_mask is set to 40 4. SMCC call to set dma bus64 in bl31 Verify: s6 + bl201 Change-Id: I0119e938d75671e47cbaadcfbfb8c3e87df01a66 Signed-off-by: Mingyen Hung <mingyen.hung@amlogic.com>