--- zzzz-none-000/linux-2.4.17/include/asm-mips/mc146818rtc.h	2001-07-02 20:56:40.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-mips/mc146818rtc.h	2004-11-24 13:21:30.000000000 +0000
@@ -16,6 +16,8 @@
 #ifndef RTC_PORT
 #if defined(CONFIG_MIPS_ITE8172) || defined(CONFIG_MIPS_IVR)
 #define RTC_PORT(x)	(0x14014800 + (x))
+#elif defined(CONFIG_MIPS_PB1500)
+#define RTC_PORT(x)	(0xAC000000 + (x))
 #else
 #define RTC_PORT(x)	(0x70 + (x))
 #endif
@@ -52,6 +54,8 @@
 #elif defined(CONFIG_MIPS_ITE8172) || defined(CONFIG_MIPS_IVR)
 #include <asm/it8172/it8172_int.h>
 #define RTC_IRQ	IT8172_RTC_IRQ
+#elif defined(CONFIG_MIPS_PB1500)
+#undef RTC_IRQ
 #else
 #define RTC_IRQ	8
 #endif