AGP_I810_PGTBL_CTL
gatt->ag_physical = READ4(AGP_I810_PGTBL_CTL) & ~1;
switch (READ4(AGP_I810_PGTBL_CTL) &
gatt->ag_physical = READ4(AGP_I810_PGTBL_CTL) & ~1;
WRITE4(AGP_I810_PGTBL_CTL, isc->gatt->ag_physical | 1);