System-specific handling of bus errors for DECstation variations

supporting parity errors only for memory (Pmax/3min/Maxine).
Fixes for resources decoded by the KN04/KN05 MB ASIC.  Additional
clean-ups for the ECC handler.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 21 insertions, 3 deletions

diff --git a/include/asm-mips/dec/kn02xa.h b/include/asm-mips/dec/kn02xa.h
index f6bdf730d9fb..3c25a3346f3f 100644
--- a/include/asm-mips/dec/kn02xa.h
+++ b/include/asm-mips/dec/kn02xa.h
@@ -9,7 +9,7 @@
  *
  * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
  * are by courtesy of Chris Fraser.
- * Copyright (C) 2000, 2002, 2003  Maciej W. Rozycki
+ * Copyright (C) 2000, 2002, 2003, 2005  Maciej W. Rozycki
  *
  * These are addresses which have to be known early in the boot process.
  * For other addresses refer to tc.h, ioasic_addrs.h and friends.
@@ -52,8 +52,13 @@
 #define KN02XA_MER_PAGERR       (1<<16)         /* 2k page boundary error */
 #define KN02XA_MER_TRANSERR     (1<<15)         /* transfer length error */
 #define KN02XA_MER_PARDIS       (1<<14)         /* parity error disable */
-#define KN02XA_MER_RES_12       (0x3<<12)       /* unused */
-#define KN02XA_MER_BYTERR       (0xf<<8)        /* byte lane error bitmask */
+#define KN02XA_MER_SIZE         (1<<13)         /* r/o mirror of MSR_SIZE */
+#define KN02XA_MER_RES_12       (1<<12)         /* unused */
+#define KN02XA_MER_BYTERR       (0xf<<8)        /* byte lane error bitmask: */
+#define KN02XA_MER_BYTERR_3     (0x8<<8)        /* byte lane #3 */
+#define KN02XA_MER_BYTERR_2     (0x4<<8)        /* byte lane #2 */
+#define KN02XA_MER_BYTERR_1     (0x2<<8)        /* byte lane #1 */
+#define KN02XA_MER_BYTERR_0     (0x1<<8)        /* byte lane #0 */
 #define KN02XA_MER_RES_0        (0xff<<0)       /* unused */
 
 /*
@@ -72,4 +77,17 @@
 #define KN02XA_EAR_ADDRESS      (0x7ffffff<<2)  /* address involved */
 #define KN02XA_EAR_RES_0        (0x3<<0)        /* unused */
 
+
+#ifndef __ASSEMBLY__
+
+#include <linux/interrupt.h>
+
+struct pt_regs;
+
+extern void dec_kn02xa_be_init(void);
+extern int dec_kn02xa_be_handler(struct pt_regs *regs, int is_fixup);
+extern irqreturn_t dec_kn02xa_be_interrupt(int irq, void *dev_id,
+                                           struct pt_regs *regs);
+#endif
+
 #endif /* __ASM_MIPS_DEC_KN02XA_H */