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authorBruce Losure <blosure@americas.sgi.com>2005-09-02 15:16:35 -0500
committerTony Luck <tony.luck@intel.com>2005-09-06 14:16:01 -0700
commit25732ad493b22b7d9f0d250c5a9ad17219f96a47 (patch)
tree6d2c753c248977fdca4b5d423b65d7fbf2f70186 /include/asm-ia64/sn/sn_sal.h
parent4706df3d3c42af802597d82c8b1542c3d52eab23 (diff)
[IA64] Altix patch for fpga reset
1) workaround a h/w reset issue 2) to improve the determination of FPGA-based h/w in the arch/ia64/sn/kernel/tiocx code. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/sn/sn_sal.h')
-rw-r--r--include/asm-ia64/sn/sn_sal.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index e67825ad193..6f96ae8b4fb 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -47,6 +47,7 @@
#define SN_SAL_CONSOLE_PUTB 0x02000028
#define SN_SAL_CONSOLE_XMIT_CHARS 0x0200002a
#define SN_SAL_CONSOLE_READC 0x0200002b
+#define SN_SAL_SYSCTL_OP 0x02000030
#define SN_SAL_SYSCTL_MODID_GET 0x02000031
#define SN_SAL_SYSCTL_GET 0x02000032
#define SN_SAL_SYSCTL_IOBRICK_MODULE_GET 0x02000033
@@ -98,6 +99,13 @@
#define SAL_INTR_FREE 2
/*
+ * operations available on the generic SN_SAL_SYSCTL_OP
+ * runtime service
+ */
+#define SAL_SYSCTL_OP_IOBOARD 0x0001 /* retrieve board type */
+#define SAL_SYSCTL_OP_TIO_JLCK_RST 0x0002 /* issue TIO clock reset */
+
+/*
* IRouter (i.e. generalized system controller) operations
*/
#define SAL_IROUTER_OPEN 0 /* open a subchannel */
@@ -876,6 +884,41 @@ ia64_sn_sysctl_event_init(nasid_t nasid)
return (int) rv.v0;
}
+/*
+ * Ask the system controller on the specified nasid to reset
+ * the CX corelet clock. Only valid on TIO nodes.
+ */
+static inline int
+ia64_sn_sysctl_tio_clock_reset(nasid_t nasid)
+{
+ struct ia64_sal_retval rv;
+ SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST,
+ nasid, 0, 0, 0, 0, 0);
+ if (rv.status != 0)
+ return (int)rv.status;
+ if (rv.v0 != 0)
+ return (int)rv.v0;
+
+ return 0;
+}
+
+/*
+ * Get the associated ioboard type for a given nasid.
+ */
+static inline int
+ia64_sn_sysctl_ioboard_get(nasid_t nasid)
+{
+ struct ia64_sal_retval rv;
+ SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD,
+ nasid, 0, 0, 0, 0, 0);
+ if (rv.v0 != 0)
+ return (int)rv.v0;
+ if (rv.v1 != 0)
+ return (int)rv.v1;
+
+ return 0;
+}
+
/**
* ia64_sn_get_fit_compt - read a FIT entry from the PROM header
* @nasid: NASID of node to read