SITMDR1
sh_msiof_write(p, SITMDR1, tmp | SITMDR1_PCON);
sh_msiof_write(p, SITMDR1,
tmp = sh_msiof_read(p, SITMDR1) & ~clr;
sh_msiof_write(p, SITMDR1, tmp | set | SIMDR1_TRMD | SITMDR1_PCON);
msiof_write(priv, SITMDR1, val);