+#elif defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+void external_interrupt(struct pt_regs *regs)
+{
+ ulong uic_msr;
+
+ /*
+ * Read masked interrupt status register to determine interrupt source
+ */
+ /* 440 SPe uses base uic register */
+ uic_msr = mfdcr(uic0msr);
+
+ if ( (UICB0_UIC1CI & uic_msr) || (UICB0_UIC1NCI & uic_msr) )
+ uic1_interrupt(0);
+
+ if ( (UICB0_UIC2CI & uic_msr) || (UICB0_UIC2NCI & uic_msr) )
+ uic2_interrupt(0);
+
+ if (uic_msr & ~(UICB0_ALL))
+ uic0_interrupt(0);
+
+ mtdcr(uic0sr, uic_msr);
+
+ return;
+
+} /* external_interrupt CONFIG_440EPX & CONFIG_440GRX */
+