From: Mike Travis Date: Fri, 29 Apr 2016 21:54:03 +0000 (-0500) Subject: x86/platform/UV: Add Initial UV4 definitions X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=eb1e3461b8912ce4794fd2b7b414338a59461601;p=linux-beck.git x86/platform/UV: Add Initial UV4 definitions Add preliminary UV4 defines. Tested-by: John Estabrook Tested-by: Gary Kroening Tested-by: Nathan Zimmer Signed-off-by: Mike Travis Cc: Andrew Banman Cc: Andrew Morton Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: Dimitri Sivanich Cc: H. Peter Anvin Cc: Len Brown Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Russ Anderson Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20160429215402.703593187@asylum.americas.sgi.com Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index ea7074784cc4..38166ade0ca1 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -176,6 +176,7 @@ 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 +#define UV4_HUB_REVISION_BASE 7 static inline int is_uv1_hub(void) { @@ -190,15 +191,28 @@ static inline int is_uv2_hub(void) static inline int is_uv3_hub(void) { - return uv_hub_info->hub_revision >= UV3_HUB_REVISION_BASE; + return ((uv_hub_info->hub_revision >= UV3_HUB_REVISION_BASE) && + (uv_hub_info->hub_revision < UV4_HUB_REVISION_BASE)); } +#ifdef UV4_HUB_IS_SUPPORTED +static inline int is_uv4_hub(void) +{ + return uv_hub_info->hub_revision >= UV4_HUB_REVISION_BASE; +} +#else +static inline int is_uv4_hub(void) +{ + return 0; +} +#endif + static inline int is_uv_hub(void) { return uv_hub_info->hub_revision; } -/* code common to uv2 and uv3 only */ +/* code common to uv2/3/4 only */ static inline int is_uvx_hub(void) { return uv_hub_info->hub_revision >= UV2_HUB_REVISION_BASE; @@ -243,18 +257,35 @@ union uvh_apicid { #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 :\ - (is_uv2_hub() ? UV2_GLOBAL_MMR32_SIZE :\ - UV3_GLOBAL_MMR32_SIZE)) +#define UV4_LOCAL_MMR_BASE 0xfa000000UL +#define UV4_GLOBAL_MMR32_BASE 0xfc000000UL +#define UV4_LOCAL_MMR_SIZE (32UL * 1024 * 1024) +#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) + #define UV_GLOBAL_MMR64_BASE (uv_hub_info->global_mmr_base) #define UV_GLOBAL_GRU_MMR_BASE 0x4000000 @@ -666,10 +697,7 @@ static inline void uv_hub_send_ipi(int pnode, int apicid, int vector) /* * Get the minimum revision number of the hub chips within the partition. - * 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 + * (See UVx_HUB_REVISION_BASE above for specific values.) */ static inline int uv_get_min_hub_revision_id(void) { 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 */