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authorMike Travis <travis@sgi.com>2013-02-11 23:45:11 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2013-02-12 05:17:50 +0400
commit6edbd4714edd8af64ec6a1bb8d89d0cb2bbe671e (patch)
tree33dfde55da9b7688d1d4a59f4666510cb9cde869 /arch/x86
parent526018bc5eccfe3177780f03d2aaba0efee40720 (diff)
downloadlinux-6edbd4714edd8af64ec6a1bb8d89d0cb2bbe671e.tar.xz
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@sgi.com> Link: http://lkml.kernel.org/r/20130211194508.610723192@gulag1.americas.sgi.com Acked-by: Russ Anderson <rja@sgi.com> Reviewed-by: Dimitri Sivanich <sivanich@sgi.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h44
1 files 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 21f7385badb8..2c32df95bb78 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)
{