From: "steve.wahl@hpe.com" <steve.wahl@hpe.com>
Date: Mon, 13 Jul 2020 16:30:00 -0500
Subject: x86/platform/uv: Remove support for uv1 platform from uv_hub
Git-commit: 9b9ee172410d839ca55ad2e25e96f7398fb66f4f
Patch-mainline: 5.9-rc1
References: bnc#1177710 jsc#SLE-13285

UV1 is not longer supported by HPE.

Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200713212955.203480177@hpe.com
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 arch/x86/include/asm/uv/uv_hub.h |   34 +++-------------------------------
 1 file changed, 3 insertions(+), 31 deletions(-)

--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -238,17 +238,11 @@ static inline int uv_hub_info_check(int
  * This is a software convention - NOT the hardware revision numbers in
  * the hub chip.
  */
-#define UV1_HUB_REVISION_BASE		1
 #define UV2_HUB_REVISION_BASE		3
 #define UV3_HUB_REVISION_BASE		5
 #define UV4_HUB_REVISION_BASE		7
 #define UV4A_HUB_REVISION_BASE		8	/* UV4 (fixed) rev 2 */
 
-static inline int is_uv1_hub(void)
-{
-	return is_uv_hubbed(uv(1));
-}
-
 static inline int is_uv2_hub(void)
 {
 	return is_uv_hubbed(uv(2));
@@ -279,7 +273,7 @@ static inline int is_uvx_hub(void)
 
 static inline int is_uv_hub(void)
 {
-	return is_uv1_hub() || is_uvx_hub();
+	return is_uvx_hub();
 }
 
 union uvh_apicid {
@@ -306,11 +300,6 @@ union uvh_apicid {
 #define UV_PNODE_TO_GNODE(p)		((p) |uv_hub_info->gnode_extra)
 #define UV_PNODE_TO_NASID(p)		(UV_PNODE_TO_GNODE(p) << 1)
 
-#define UV1_LOCAL_MMR_BASE		0xf4000000UL
-#define UV1_GLOBAL_MMR32_BASE		0xf8000000UL
-#define UV1_LOCAL_MMR_SIZE		(64UL * 1024 * 1024)
-#define UV1_GLOBAL_MMR32_SIZE		(64UL * 1024 * 1024)
-
 #define UV2_LOCAL_MMR_BASE		0xfa000000UL
 #define UV2_GLOBAL_MMR32_BASE		0xfc000000UL
 #define UV2_LOCAL_MMR_SIZE		(32UL * 1024 * 1024)
@@ -327,25 +316,21 @@ union uvh_apicid {
 #define UV4_GLOBAL_MMR32_SIZE		(16UL * 1024 * 1024)
 
 #define UV_LOCAL_MMR_BASE		(				\
-					is_uv1_hub() ? UV1_LOCAL_MMR_BASE : \
 					is_uv2_hub() ? UV2_LOCAL_MMR_BASE : \
 					is_uv3_hub() ? UV3_LOCAL_MMR_BASE : \
 					/*is_uv4_hub*/ UV4_LOCAL_MMR_BASE)
 
 #define UV_GLOBAL_MMR32_BASE		(				\
-					is_uv1_hub() ? UV1_GLOBAL_MMR32_BASE : \
 					is_uv2_hub() ? UV2_GLOBAL_MMR32_BASE : \
 					is_uv3_hub() ? UV3_GLOBAL_MMR32_BASE : \
 					/*is_uv4_hub*/ UV4_GLOBAL_MMR32_BASE)
 
 #define UV_LOCAL_MMR_SIZE		(				\
-					is_uv1_hub() ? UV1_LOCAL_MMR_SIZE : \
 					is_uv2_hub() ? UV2_LOCAL_MMR_SIZE : \
 					is_uv3_hub() ? UV3_LOCAL_MMR_SIZE : \
 					/*is_uv4_hub*/ UV4_LOCAL_MMR_SIZE)
 
 #define UV_GLOBAL_MMR32_SIZE		(				\
-					is_uv1_hub() ? UV1_GLOBAL_MMR32_SIZE : \
 					is_uv2_hub() ? UV2_GLOBAL_MMR32_SIZE : \
 					is_uv3_hub() ? UV3_GLOBAL_MMR32_SIZE : \
 					/*is_uv4_hub*/ UV4_GLOBAL_MMR32_SIZE)
@@ -366,8 +351,6 @@ union uvh_apicid {
 #define UVH_APICID		0x002D0E00L
 #define UV_APIC_PNODE_SHIFT	6
 
-#define UV_APICID_HIBIT_MASK	0xffff0000
-
 /* Local Bus from cpu's perspective */
 #define LOCAL_BUS_BASE		0x1c00000
 #define LOCAL_BUS_SIZE		(4 * 1024 * 1024)
@@ -574,15 +557,6 @@ static inline int uv_apicid_to_pnode(int
 	return s2pn ? s2pn[pnode - uv_hub_info->min_socket] : pnode;
 }
 
-/* Convert an apicid to the socket number on the blade */
-static inline int uv_apicid_to_socket(int apicid)
-{
-	if (is_uv1_hub())
-		return (apicid >> (uv_hub_info->apic_pnode_shift - 1)) & 1;
-	else
-		return 0;
-}
-
 /*
  * Access global MMRs using the low memory MMR32 space. This region supports
  * faster MMR access but not all MMRs are accessible in this space.
@@ -674,7 +648,7 @@ static inline int uv_cpu_blade_processor
 	return uv_cpu_info_per(cpu)->blade_cpu_id;
 }
 
-/* Blade number to Node number (UV1..UV4 is 1:1) */
+/* Blade number to Node number (UV2..UV4 is 1:1) */
 static inline int uv_blade_to_node(int blade)
 {
 	return blade;
@@ -688,7 +662,7 @@ static inline int uv_numa_blade_id(void)
 
 /*
  * Convert linux node number to the UV blade number.
- * .. Currently for UV1 thru UV4 the node and the blade are identical.
+ * .. Currently for UV2 thru UV4 the node and the blade are identical.
  * .. If this changes then you MUST check references to this function!
  */
 static inline int uv_node_to_blade_id(int nid)
@@ -835,8 +809,6 @@ static inline void uv_set_cpu_scir_bits(
 	}
 }
 
-extern unsigned int uv_apicid_hibits;
-
 /*
  * Get the minimum revision number of the hub chips within the partition.
  * (See UVx_HUB_REVISION_BASE above for specific values.)