SH4_BCR2
_reg_write_2(SH4_BCR2, BSC_BCR2_VAL);
if (_reg_read_2(SH4_BCR2) & BCR2_PORTEN)
if (_reg_read_2(SH4_BCR2) & BCR2_PORTEN) {
_reg_write_4(SH4_PCIBCR2, _reg_read_2(SH4_BCR2));