1 files changed, 85 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/sn0/ip27.h b/arch/mips/include/asm/sn/sn0/ip27.h
new file mode 100644
index 0000000..3c97e08
--- /dev/null
+++ b/arch/mips/include/asm/sn/sn0/ip27.h
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ *
+ * Derived from IRIX <sys/SN/SN0/IP27.h>.
+ *
+ * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 1999, 2006 by Ralf Baechle
+ */
+#ifndef _ASM_SN_SN0_IP27_H
+#define _ASM_SN_SN0_IP27_H
+
+#include <asm/mipsregs.h>
+
+/*
+ * Simple definitions for the masks which remove SW bits from pte.
+ */
+
+#define TLBLO_HWBITSHIFT	0		/* Shift value, for masking */
+
+#ifndef __ASSEMBLY__
+
+#define CAUSE_BERRINTR 		IE_IRQ5
+
+#define ECCF_CACHE_ERR  0
+#define ECCF_TAGLO      1
+#define ECCF_ECC        2
+#define ECCF_ERROREPC   3
+#define ECCF_PADDR      4
+#define ECCF_SIZE       (5 * sizeof(long))
+
+#endif /* !__ASSEMBLY__ */
+
+#ifdef __ASSEMBLY__
+
+/*
+ * KL_GET_CPUNUM (similar to EV_GET_SPNUM for EVEREST platform) reads
+ * the processor number of the calling processor.  The proc parameters
+ * must be a register.
+ */
+#define KL_GET_CPUNUM(proc) 				\
+	dli	proc, LOCAL_HUB(0); 			\
+	ld	proc, PI_CPU_NUM(proc)
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * R10000 status register interrupt bit mask usage for IP27.
+ */
+#define SRB_SWTIMO	IE_SW0		/* 0x0100 */
+#define SRB_NET		IE_SW1		/* 0x0200 */
+#define SRB_DEV0	IE_IRQ0		/* 0x0400 */
+#define SRB_DEV1	IE_IRQ1		/* 0x0800 */
+#define SRB_TIMOCLK	IE_IRQ2		/* 0x1000 */
+#define SRB_PROFCLK	IE_IRQ3		/* 0x2000 */
+#define SRB_ERR		IE_IRQ4		/* 0x4000 */
+#define SRB_SCHEDCLK	IE_IRQ5		/* 0x8000 */
+
+#define SR_IBIT_HI	SRB_DEV0
+#define SR_IBIT_PROF	SRB_PROFCLK
+
+#define SRB_SWTIMO_IDX		0
+#define SRB_NET_IDX		1
+#define SRB_DEV0_IDX		2
+#define SRB_DEV1_IDX		3
+#define SRB_TIMOCLK_IDX		4
+#define SRB_PROFCLK_IDX		5
+#define SRB_ERR_IDX		6
+#define SRB_SCHEDCLK_IDX	7
+
+#define NUM_CAUSE_INTRS		8
+
+#define SCACHE_LINESIZE	128
+#define SCACHE_LINEMASK	(SCACHE_LINESIZE - 1)
+
+#include <asm/sn/addrs.h>
+
+#define LED_CYCLE_MASK  0x0f
+#define LED_CYCLE_SHFT  4
+
+#define SEND_NMI(_nasid, _slice)	\
+          REMOTE_HUB_S((_nasid),  (PI_NMI_A + ((_slice) * PI_NMI_OFFSET)), 1)
+
+#endif /* _ASM_SN_SN0_IP27_H */