VIA_CRDR_SDCARG
writel(pm_sdhcreg->sdcmdarg_reg, addrbase + VIA_CRDR_SDCARG);
readl(addrbase + VIA_CRDR_SDCARG),
pm_sdhc_reg->sdcmdarg_reg = readl(addrbase + VIA_CRDR_SDCARG);
writel(pm_sdhc_reg->sdcmdarg_reg, addrbase + VIA_CRDR_SDCARG);
writel(cmd->arg, addrbase + VIA_CRDR_SDCARG);