summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/uv/uv_mmrs.h
diff options
context:
space:
mode:
authorMike Travis <travis@sgi.com>2016-04-29 16:54:03 -0500
committerIngo Molnar <mingo@kernel.org>2016-05-04 08:48:46 +0200
commiteb1e3461b8912ce4794fd2b7b414338a59461601 (patch)
treef495396ed685d27f8a78c05aeced7084ddd968b7 /arch/x86/include/asm/uv/uv_mmrs.h
parentd63c214b0a39e7e92fbae2a47b66e8145c3c9c81 (diff)
x86/platform/UV: Add Initial UV4 definitions
Add preliminary UV4 defines. Tested-by: John Estabrook <estabrook@sgi.com> Tested-by: Gary Kroening <gfk@sgi.com> Tested-by: Nathan Zimmer <nzimmer@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Andrew Banman <abanman@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Dimitri Sivanich <sivanich@sgi.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <rja@sgi.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20160429215402.703593187@asylum.americas.sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/uv/uv_mmrs.h')
-rw-r--r--arch/x86/include/asm/uv/uv_mmrs.h22
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index ddd8db6b6e70..455cc2983544 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -5,7 +5,7 @@
*
* SGI UV MMR definitions
*
- * Copyright (C) 2007-2014 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2007-2015 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_X86_UV_UV_MMRS_H
@@ -18,10 +18,11 @@
* grouped by architecture types.
*
* UVH - definitions common to all UV hub types.
- * UVXH - definitions common to all UV eXtended hub types (currently 2 & 3).
+ * UVXH - definitions common to all UV eXtended hub types (currently 2, 3, 4).
* UV1H - definitions specific to UV type 1 hub.
* UV2H - definitions specific to UV type 2 hub.
* UV3H - definitions specific to UV type 3 hub.
+ * UV4H - definitions specific to UV type 4 hub.
*
* So in general, MMR addresses and structures are identical on all hubs types.
* These MMRs are identified as:
@@ -36,15 +37,19 @@
* #define UV1Hxxx a
* #define UV2Hxxx b
* #define UV3Hxxx c
+ * #define UV4Hxxx d
* #define UVHxxx (is_uv1_hub() ? UV1Hxxx :
* (is_uv2_hub() ? UV2Hxxx :
- * UV3Hxxx))
+ * (is_uv3_hub() ? UV3Hxxx :
+ * UV4Hxxx))
*
* If the MMR exists on all hub types > 1 but have different addresses:
* #define UV2Hxxx b
* #define UV3Hxxx c
- * #define UVXHxxx (is_uv2_hub() ? UV2Hxxx :
- * UV3Hxxx))
+ * #define UV4Hxxx d
+ * #define UVHxxx (is_uv2_hub() ? UV2Hxxx :
+ * (is_uv3_hub() ? UV3Hxxx :
+ * UV4Hxxx))
*
* union uvh_xxx {
* unsigned long v;
@@ -56,6 +61,8 @@
* } s2;
* struct uv3h_xxx_s { # Full UV3 definition (*)
* } s3;
+ * struct uv4h_xxx_s { # Full UV4 definition (*)
+ * } s4;
* };
* (* - if present and different than the common struct)
*
@@ -73,7 +80,7 @@
* } sn;
* };
*
- * (GEN Flags: mflags_opt= undefs=0 UV23=UVXH)
+ * (GEN Flags: mflags_opt= undefs=1 UV234=UVXH)
*/
#define UV_MMR_ENABLE (1UL << 63)
@@ -83,10 +90,13 @@
#define UV2_HUB_PART_NUMBER_X 0x1111
#define UV3_HUB_PART_NUMBER 0x9578
#define UV3_HUB_PART_NUMBER_X 0x4321
+#define UV4_HUB_PART_NUMBER 0x99a1
/* Compat: Indicate which UV Hubs are supported. */
+#define UV1_HUB_IS_SUPPORTED 1
#define UV2_HUB_IS_SUPPORTED 1
#define UV3_HUB_IS_SUPPORTED 1
+/* #define UV4_HUB_IS_SUPPORTED 1 (not yet) */
/* ========================================================================= */
/* UVH_BAU_DATA_BROADCAST */