linux-kernel - [tip:x86/uv] x86, uv, uv3: Update Hub Info for SGI UV3

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Message-ID: <tip-6edbd4714edd8af64ec6a1bb8d89d0cb2bbe671e@git.kernel.org>
Date:	Mon, 11 Feb 2013 20:19:18 -0800
From:	tip-bot for Mike Travis <travis@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	travis@....com, sivanich@....com, rja@....com, tglx@...utronix.de,
	hpa@...ux.intel.com
Subject: [tip:x86/uv] x86, uv, uv3: Update Hub Info for SGI UV3

Commit-ID:  6edbd4714edd8af64ec6a1bb8d89d0cb2bbe671e
Gitweb:     http://git.kernel.org/tip/6edbd4714edd8af64ec6a1bb8d89d0cb2bbe671e
Author:     Mike Travis <travis@....com>
AuthorDate: Mon, 11 Feb 2013 13:45:11 -0600
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Mon, 11 Feb 2013 17:17:50 -0800

x86, uv, uv3: Update Hub Info for SGI UV3

This patch updates the UV HUB info for UV3.  The "is_uv3_hub" and
"is_uvx_hub" (UV2 or UV3) functions are added as well as the addresses
and sizes of the MMR regions for UV3.

Signed-off-by: Mike Travis <travis@....com>
Link: http://lkml.kernel.org/r/20130211194508.610723192@gulag1.americas.sgi.com
Acked-by: Russ Anderson <rja@....com>
Reviewed-by: Dimitri Sivanich <sivanich@....com>
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/include/asm/uv/uv_hub.h | 44 ++++++++++++++++++++++++++++++++--------
 1 file changed, 36 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 21f7385..2c32df9 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -5,7 +5,7 @@
  *
  * SGI UV architectural definitions
  *
- * Copyright (C) 2007-2010 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2007-2013 Silicon Graphics, Inc. All rights reserved.
  */
 
 #ifndef _ASM_X86_UV_UV_HUB_H
@@ -175,6 +175,7 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
  */
 #define UV1_HUB_REVISION_BASE		1
 #define UV2_HUB_REVISION_BASE		3
+#define UV3_HUB_REVISION_BASE		5
 
 static inline int is_uv1_hub(void)
 {
@@ -183,6 +184,23 @@ static inline int is_uv1_hub(void)
 
 static inline int is_uv2_hub(void)
 {
+	return ((uv_hub_info->hub_revision >= UV2_HUB_REVISION_BASE) &&
+		(uv_hub_info->hub_revision < UV3_HUB_REVISION_BASE));
+}
+
+static inline int is_uv3_hub(void)
+{
+	return uv_hub_info->hub_revision >= UV3_HUB_REVISION_BASE;
+}
+
+static inline int is_uv_hub(void)
+{
+	return uv_hub_info->hub_revision;
+}
+
+/* code common to uv2 and uv3 only */
+static inline int is_uvx_hub(void)
+{
 	return uv_hub_info->hub_revision >= UV2_HUB_REVISION_BASE;
 }
 
@@ -230,14 +248,23 @@ union uvh_apicid {
 #define UV2_LOCAL_MMR_SIZE		(32UL * 1024 * 1024)
 #define UV2_GLOBAL_MMR32_SIZE		(32UL * 1024 * 1024)
 
-#define UV_LOCAL_MMR_BASE		(is_uv1_hub() ? UV1_LOCAL_MMR_BASE     \
-						: UV2_LOCAL_MMR_BASE)
-#define UV_GLOBAL_MMR32_BASE		(is_uv1_hub() ? UV1_GLOBAL_MMR32_BASE  \
-						: UV2_GLOBAL_MMR32_BASE)
-#define UV_LOCAL_MMR_SIZE		(is_uv1_hub() ? UV1_LOCAL_MMR_SIZE :   \
-						UV2_LOCAL_MMR_SIZE)
+#define UV3_LOCAL_MMR_BASE		0xfa000000UL
+#define UV3_GLOBAL_MMR32_BASE		0xfc000000UL
+#define UV3_LOCAL_MMR_SIZE		(32UL * 1024 * 1024)
+#define UV3_GLOBAL_MMR32_SIZE		(32UL * 1024 * 1024)
+
+#define UV_LOCAL_MMR_BASE		(is_uv1_hub() ? UV1_LOCAL_MMR_BASE : \
+					(is_uv2_hub() ? UV2_LOCAL_MMR_BASE : \
+							UV3_LOCAL_MMR_BASE))
+#define UV_GLOBAL_MMR32_BASE		(is_uv1_hub() ? UV1_GLOBAL_MMR32_BASE :\
+					(is_uv2_hub() ? UV2_GLOBAL_MMR32_BASE :\
+							UV3_GLOBAL_MMR32_BASE))
+#define UV_LOCAL_MMR_SIZE		(is_uv1_hub() ? UV1_LOCAL_MMR_SIZE : \
+					(is_uv2_hub() ? UV2_LOCAL_MMR_SIZE : \
+							UV3_LOCAL_MMR_SIZE))
 #define UV_GLOBAL_MMR32_SIZE		(is_uv1_hub() ? UV1_GLOBAL_MMR32_SIZE :\
-						UV2_GLOBAL_MMR32_SIZE)
+					(is_uv2_hub() ? UV2_GLOBAL_MMR32_SIZE :\
+							UV3_GLOBAL_MMR32_SIZE))
 #define UV_GLOBAL_MMR64_BASE		(uv_hub_info->global_mmr_base)
 
 #define UV_GLOBAL_GRU_MMR_BASE		0x4000000
@@ -599,6 +626,7 @@ static inline void uv_hub_send_ipi(int pnode, int apicid, int vector)
  *     1 - UV1 rev 1.0 initial silicon
  *     2 - UV1 rev 2.0 production silicon
  *     3 - UV2 rev 1.0 initial silicon
+ *     5 - UV3 rev 1.0 initial silicon
  */
 static inline int uv_get_min_hub_revision_id(void)
 {
--
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