--- zzzz-none-000/linux-2.4.17/arch/mips/mips-boards/generic/mipsIRQ.S	2001-04-14 03:26:07.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/arch/mips/mips-boards/generic/mipsIRQ.S	2004-11-24 13:22:35.000000000 +0000
@@ -50,8 +50,8 @@
  *             0	Software (ignored)
  *             1        Software (ignored)
  *             2        Combined hardware interrupt (hw0)
- *             3        Hardware (ignored)
- *             4        Hardware (ignored)
+  *            3        SEAD UART0 if(CONFIG_MIPS_SEAD2) else ignored
+ *             4        SEAD UART1 if(CONFIG_MIPS_SEAD2) else ignored
  *             5        Hardware (ignored)
  *             6        Hardware (ignored)
  *             7        R4k timer (what we use)
@@ -98,6 +98,8 @@
 	jal	atlas_hw0_irqdispatch
 #elif defined(CONFIG_MIPS_MALTA)
 	jal	malta_hw0_irqdispatch
+#elif defined(CONFIG_MIPS_AVALANCHE_INTC) 
+        jal     avalanche_hw0_irqdispatch       
 #else
 #error "MIPS board not supported\n"	
 #endif
@@ -106,16 +108,45 @@
 	j	ret_from_irq
 	 nop				# delay slot
 
+#if defined(CONFIG_MIPS_SEAD2)
+        /* Is it a SEAD UART0 interrupt? */
+1:      andi    a0, s0, CAUSEF_IP3
+        beq     a0, zero, 1f
+         andi   a0, s0, CAUSEF_IP4      # delay slot, check ttys1 interrupt
+
+
+	/* Wheee, a SEAD uart0 interrupt. */
+	move	a0, sp
+	jal	sead_uart0_irqdispatch
+	 nop				# delay slot
+
+	j	ret_from_irq
+	 nop				# delay slot
+
+1:
+        beq     a0, zero, 1f
+         nop
+
+	/* Wheee, a SEAD uart interrupt. */
+	move	a0, sp
+	jal	sead_uart1_irqdispatch
+	 nop				# delay slot
+
+	j	ret_from_irq
+	 nop				# delay slot
+
+#endif /* CONFIG_MIPS_SEAD2 */
+
 1:
 	/*
 	 * Here by mistake?  This is possible, what can happen is that by the
 	 * time we take the exception the IRQ pin goes low, so just leave if
 	 * this is the case.
-	 */
 	move	a1,s0
 	PRINT("Got interrupt: c0_cause = %08x\n")
 	mfc0	a1, CP0_EPC
 	PRINT("c0_epc = %08x\n")
+	 */
 
 	j	ret_from_irq
 	 nop