[IA64-SGI] support for older versions of PROM
authorJack Steiner <steiner@sgi.com>
Fri, 18 Nov 2005 22:11:27 +0000 (16:11 -0600)
committerTony Luck <tony.luck@intel.com>
Mon, 21 Nov 2005 22:17:28 +0000 (14:17 -0800)
Add support for old versions of the SN PROMs. Eventually this
support will be deleted but it is useful right now to continue
supporting older PROMs.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
include/asm-ia64/sn/sn_sal.h

index 3f7564dc0aa9bf052b6fee3a20791d4ac7ebb811..2a8b0d92a5d62f139ec98cb0e125883c7e39e122 100644 (file)
@@ -56,6 +56,7 @@
 #define  SN_SAL_BUS_CONFIG                        0x02000037
 #define  SN_SAL_SYS_SERIAL_GET                    0x02000038
 #define  SN_SAL_PARTITION_SERIAL_GET              0x02000039
+#define  SN_SAL_SYSCTL_PARTITION_GET               0x0200003a
 #define  SN_SAL_SYSTEM_POWER_DOWN                 0x0200003b
 #define  SN_SAL_GET_MASTER_BASEIO_NASID                   0x0200003c
 #define  SN_SAL_COHERENCE                          0x0200003d
@@ -580,6 +581,21 @@ sn_partition_serial_number_val(void) {
        return sn_partition_serial_number;
 }
 
+/*
+ * Returns the partition id of the nasid passed in as an argument,
+ * or INVALID_PARTID if the partition id cannot be retrieved.
+ */
+static inline partid_t
+ia64_sn_sysctl_partition_get(nasid_t nasid)
+{
+       struct ia64_sal_retval ret_stuff;
+       SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
+               0, 0, 0, 0, 0, 0);
+       if (ret_stuff.status != 0)
+           return -1;
+       return ((partid_t)ret_stuff.v0);
+}
+
 /*
  * Returns the physical address of the partition's reserved page through
  * an iterative number of calls.
@@ -1018,6 +1034,24 @@ ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift,
        ret_stuff.v2 = 0;
        SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
 
+/***** BEGIN HACK - temp til old proms no longer supported ********/
+       if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
+               int nasid = get_sapicid() & 0xfff;;
+#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
+#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
+               if (shubtype) *shubtype = 0;
+               if (nasid_bitmask) *nasid_bitmask = 0x7ff;
+               if (nasid_shift) *nasid_shift = 38;
+               if (systemsize) *systemsize = 10;
+               if (sharing_domain_size) *sharing_domain_size = 8;
+               if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
+               if (coher) *coher = nasid >> 9;
+               if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >>
+                       SH_SHUB_ID_NODES_PER_BIT_SHFT;
+               return 0;
+       }
+/***** END HACK *******/
+
        if (ret_stuff.status < 0)
                return ret_stuff.status;