/* unmask and set to NMI */
v = APIC_DM_NMI;
+
+ /* Level triggered for 82489DX (32bit mode) */
+ if (!lapic_is_integrated())
+ v |= APIC_LVT_LEVEL_TRIGGER;
+
apic_write(APIC_LVT0, v);
}
*/
int lapic_get_maxlvt(void)
{
- unsigned int v, maxlvt;
+ unsigned int v;
v = apic_read(APIC_LVR);
- maxlvt = GET_APIC_MAXLVT(v);
- return maxlvt;
+ /*
+ * - we always have APIC integrated on 64bit mode
+ * - 82489DXs do not report # of LVT entries
+ */
+ return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
}
/*