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-rw-r--r--sys/arch/sgi/sgi/l1.c14
-rw-r--r--sys/arch/sgi/sgi/l1.h10
2 files changed, 16 insertions, 8 deletions
diff --git a/sys/arch/sgi/sgi/l1.c b/sys/arch/sgi/sgi/l1.c
index dd7bea7187b..06ec4321054 100644
--- a/sys/arch/sgi/sgi/l1.c
+++ b/sys/arch/sgi/sgi/l1.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: l1.c,v 1.4 2010/03/22 21:22:08 miod Exp $ */
+/* $OpenBSD: l1.c,v 1.5 2010/04/15 20:32:50 miod Exp $ */
/*
* Copyright (c) 2009 Miodrag Vallat.
@@ -524,8 +524,12 @@ l1_receive_response(int16_t nasid, u_char *pkt, size_t *pktlen)
if (rc < 0) /* bad packet */
continue;
- if (pkt[0] != (L1PKT_RESPONSE | L1CH_MISC))
+ if (pkt[0] != (L1PKT_RESPONSE | L1CH_MISC)) {
+#ifdef L1_DEBUG
+ printf("unexpected L1 packet: head %02x\n", pkt[0]);
+#endif
continue; /* it's not our response */
+ }
*pktlen = (size_t)rc;
return 0;
@@ -980,14 +984,14 @@ l1_get_brick_spd_record(int16_t nasid, int dimm, u_char **rspd, size_t *rspdlen)
* The L1 address of SPD records differs between Fuel and Origin 350
* systems. This is likely because the Fuel is a single-PIMM system,
* while all other IP35 are dual-PIMM, and thus carry one more PIMM
- * record at a lower address.
+ * record at a lower address (and are interleaving DIMM accesses).
* Since Fuel is also a single-node system, we can safely check for
* the system subtype to decide which address to use.
*/
if (sys_config.system_subtype == IP35_FUEL)
- address = L1_EEP_DIMMBASE_SINGLEPIMM + dimm;
+ address = L1_EEP_DIMM_NOINTERLEAVE(dimm);
else
- address = L1_EEP_DIMMBASE_DUALPIMM + dimm;
+ address = L1_EEP_DIMM_INTERLEAVE(dimm);
/*
* Build a first packet, asking for 0 bytes to be read.
diff --git a/sys/arch/sgi/sgi/l1.h b/sys/arch/sgi/sgi/l1.h
index 8ba17b9509e..542052f14db 100644
--- a/sys/arch/sgi/sgi/l1.h
+++ b/sys/arch/sgi/sgi/l1.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: l1.h,v 1.3 2010/03/22 21:22:08 miod Exp $ */
+/* $OpenBSD: l1.h,v 1.4 2010/04/15 20:32:50 miod Exp $ */
/*
* Copyright (c) 2009 Miodrag Vallat.
@@ -72,8 +72,12 @@
#define L1_EEP_POWER 0x00 /* power board */
#define L1_EEP_LOGIC 0x01 /* logic board */
/* C-brick component */
-#define L1_EEP_DIMMBASE_SINGLEPIMM 0x04
-#define L1_EEP_DIMMBASE_DUALPIMM 0x05
+#define L1_EEP_DIMM_NOINTERLEAVE_BASE 0x04
+#define L1_EEP_DIMM_INTERLEAVE_BASE 0x05
+#define L1_EEP_DIMM_NOINTERLEAVE(d) \
+ (L1_EEP_DIMM_NOINTERLEAVE_BASE + (d))
+#define L1_EEP_DIMM_INTERLEAVE(d) \
+ (L1_EEP_DIMM_INTERLEAVE_BASE + ((d) >> 1) + ((d) & 0x01 ? 4 : 0))
/* ia code */
#define L1_EEP_CHASSIS 0x01 /* chassis ia */
#define L1_EEP_BOARD 0x02 /* board ia */