GPMC_CS0_OFFSET
reg->gpmc_nand_command = gpmc_base + GPMC_CS0_OFFSET +
reg->gpmc_nand_address = gpmc_base + GPMC_CS0_OFFSET +
reg->gpmc_nand_data = gpmc_base + GPMC_CS0_OFFSET +
reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;
reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;