SWITCHTEC_GAS_TOP_CFG_OFFSET
SWITCHTEC_GAS_TOP_CFG_OFFSET);
res_start + SWITCHTEC_GAS_TOP_CFG_OFFSET,
res_len - SWITCHTEC_GAS_TOP_CFG_OFFSET);
stdev->mmio = map - SWITCHTEC_GAS_TOP_CFG_OFFSET;