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-rw-r--r--arch/mips/include/asm/sn/sn0/ip27.h85
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 000000000000..3c97e0855c8d
--- /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 */