EMC_FBIO_CFG5_DRAM_TYPE_SHIFT
emc->dram_type >>= EMC_FBIO_CFG5_DRAM_TYPE_SHIFT;
dram_type = value >> EMC_FBIO_CFG5_DRAM_TYPE_SHIFT;
(0x3 << EMC_FBIO_CFG5_DRAM_TYPE_SHIFT)