1 files changed, 84 insertions, 0 deletions

diff --git a/arch/mips/include/asm/dec/kn02xa.h b/arch/mips/include/asm/dec/kn02xa.h
new file mode 100644
index 000000000000..b56b4577f6ef
--- /dev/null
+++ b/arch/mips/include/asm/dec/kn02xa.h
@@ -0,0 +1,84 @@
+/*
+ * Hardware info common to DECstation 5000/1xx systems (otherwise
+ * known as 3min or kn02ba) and Personal DECstations 5000/xx ones
+ * (otherwise known as maxine or kn02ca).
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
+ * are by courtesy of Chris Fraser.
+ * 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.
+ */
+#ifndef __ASM_MIPS_DEC_KN02XA_H
+#define __ASM_MIPS_DEC_KN02XA_H
+
+#include <asm/dec/ioasic_addrs.h>
+
+#define KN02XA_SLOT_BASE        0x1c000000
+
+/*
+ * Memory control ASIC registers.
+ */
+#define KN02XA_MER              0x0c400000      /* memory error register */
+#define KN02XA_MSR              0x0c800000      /* memory size register */
+
+/*
+ * CPU control ASIC registers.
+ */
+#define KN02XA_MEM_CONF         0x0e000000      /* write timeout config */
+#define KN02XA_EAR              0x0e000004      /* error address register */
+#define KN02XA_BOOT0            0x0e000008      /* boot 0 register */
+#define KN02XA_MEM_INTR         0x0e00000c      /* write err IRQ stat & ack */
+
+/*
+ * Memory Error Register bits, common definitions.
+ * The rest is defined in system-specific headers.
+ */
+#define KN02XA_MER_RES_28       (0xf<<28)       /* unused */
+#define KN02XA_MER_RES_17       (0x3ff<<17)     /* unused */
+#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_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 */
+
+/*
+ * Memory Size Register bits, common definitions.
+ * The rest is defined in system-specific headers.
+ */
+#define KN02XA_MSR_RES_27       (0x1f<<27)      /* unused */
+#define KN02XA_MSR_RES_14       (0x7<<14)       /* unused */
+#define KN02XA_MSR_SIZE         (1<<13)         /* 16M/4M stride */
+#define KN02XA_MSR_RES_0        (0x1fff<<0)     /* unused */
+
+/*
+ * Error Address Register bits.
+ */
+#define KN02XA_EAR_RES_29       (0x7<<29)       /* unused */
+#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);
+#endif
+
+#endif /* __ASM_MIPS_DEC_KN02XA_H */