PRI_STREAM2_FBUF_ADDR0
WriteReg32(PRI_STREAM2_FBUF_ADDR0, si.frameBufferOffset & 0x7fffff);
WriteReg32(PRI_STREAM2_FBUF_ADDR0, (si.frameBufferOffset & 0xfffffffc) | 0x80000000);
WriteReg32(PRI_STREAM2_FBUF_ADDR0, si.frameBufferOffset);
WriteReg32(PRI_STREAM2_FBUF_ADDR0, (address & 0xFFFFFFF8));