--- linux-mips-cvs/arch/mips/kernel/traps.c	2004-11-22 14:38:23.000000000 +0100
+++ linux-broadcom/arch/mips/kernel/traps.c	2005-01-31 13:13:14.000000000 +0100
@@ -919,6 +919,7 @@
 void __init trap_init(void)
 {
 	extern char except_vec1_generic;
+	extern char except_vec2_generic;
 	extern char except_vec3_generic, except_vec3_r4000;
 	extern char except_vec_ejtag_debug;
 	extern char except_vec4;
@@ -926,6 +927,7 @@
 
 	/* Copy the generic exception handler code to it's final destination. */
 	memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80);
+	memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);
 
 	/*
 	 * Setup default vectors
@@ -984,6 +986,12 @@
 	set_except_vector(13, handle_tr);
 	set_except_vector(22, handle_mdmx);
 
+	if (current_cpu_data.cputype == CPU_SB1) {
+		/* Enable timer interrupt and scd mapped interrupt */
+		clear_c0_status(0xf000);
+		set_c0_status(0xc00);
+	}
+
 	if (cpu_has_fpu && !cpu_has_nofpuex)
 		set_except_vector(15, handle_fpe);