sh_pfc_phys_to_virt
return sh_pfc_read_raw_reg(sh_pfc_phys_to_virt(pfc, reg), 32);
sh_pfc_write_raw_reg(sh_pfc_phys_to_virt(pfc, unlock), 32, ~data);
sh_pfc_write_raw_reg(sh_pfc_phys_to_virt(pfc, reg), 32, data);
*mapped_regp = sh_pfc_phys_to_virt(pfc, crp->reg);