arch/x86/include/asm/summit/mpparse.h

   1 #ifndef __ASM_SUMMIT_MPPARSE_H
   2 #define __ASM_SUMMIT_MPPARSE_H
   3
   4 #include <asm/tsc.h>
   5
   6 extern int use_cyclone;
   7
   8 #ifdef CONFIG_X86_SUMMIT_NUMA
   9 extern void setup_summit(void);
  10 #else
  11 #define setup_summit()  {}
  12 #endif
  13
  14 static inline int
  15 summit_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
  16 {
  17         if (!strncmp(oem, "IBM ENSW", 8) &&
  18                         (!strncmp(productid, "VIGIL SMP", 9)
  19                          || !strncmp(productid, "EXA", 3)
  20                          || !strncmp(productid, "RUTHLESS SMP", 12))){
  21                 mark_tsc_unstable("Summit based system");
  22                 use_cyclone = 1; /*enable cyclone-timer*/
  23                 setup_summit();
  24                 return 1;
  25         }
  26         return 0;
  27 }
  28
  29 /* Hook from generic ACPI tables.c */
  30 static inline int summit_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
  31 {
  32         if (!strncmp(oem_id, "IBM", 3) &&
  33             (!strncmp(oem_table_id, "SERVIGIL", 8)
  34              || !strncmp(oem_table_id, "EXA", 3))){
  35                 mark_tsc_unstable("Summit based system");
  36                 use_cyclone = 1; /*enable cyclone-timer*/
  37                 setup_summit();
  38                 return 1;
  39         }
  40         return 0;
  41 }
  42
  43 struct rio_table_hdr {
  44         unsigned char version;      /* Version number of this data structure           */
  45                                     /* Version 3 adds chassis_num & WP_index           */
  46         unsigned char num_scal_dev; /* # of Scalability devices (Twisters for Vigil)   */
  47         unsigned char num_rio_dev;  /* # of RIO I/O devices (Cyclones and Winnipegs)   */
  48 } __attribute__((packed));
  49
  50 struct scal_detail {
  51         unsigned char node_id;      /* Scalability Node ID                             */
  52         unsigned long CBAR;         /* Address of 1MB register space                   */
  53         unsigned char port0node;    /* Node ID port connected to: 0xFF=None            */
  54         unsigned char port0port;    /* Port num port connected to: 0,1,2, or 0xFF=None */
  55         unsigned char port1node;    /* Node ID port connected to: 0xFF = None          */
  56         unsigned char port1port;    /* Port num port connected to: 0,1,2, or 0xFF=None */
  57         unsigned char port2node;    /* Node ID port connected to: 0xFF = None          */
  58         unsigned char port2port;    /* Port num port connected to: 0,1,2, or 0xFF=None */
  59         unsigned char chassis_num;  /* 1 based Chassis number (1 = boot node)          */
  60 } __attribute__((packed));
  61
  62 struct rio_detail {
  63         unsigned char node_id;      /* RIO Node ID                                     */
  64         unsigned long BBAR;         /* Address of 1MB register space                   */
  65         unsigned char type;         /* Type of device                                  */
  66         unsigned char owner_id;     /* For WPEG: Node ID of Cyclone that owns this WPEG*/
  67                                     /* For CYC:  Node ID of Twister that owns this CYC */
  68         unsigned char port0node;    /* Node ID port connected to: 0xFF=None            */
  69         unsigned char port0port;    /* Port num port connected to: 0,1,2, or 0xFF=None */
  70         unsigned char port1node;    /* Node ID port connected to: 0xFF=None            */
  71         unsigned char port1port;    /* Port num port connected to: 0,1,2, or 0xFF=None */
  72         unsigned char first_slot;   /* For WPEG: Lowest slot number below this WPEG    */
  73                                     /* For CYC:  0                                     */
  74         unsigned char status;       /* For WPEG: Bit 0 = 1 : the XAPIC is used         */
  75                                     /*                 = 0 : the XAPIC is not used, ie:*/
  76                                     /*                     ints fwded to another XAPIC */
  77                                     /*           Bits1:7 Reserved                      */
  78                                     /* For CYC:  Bits0:7 Reserved                      */
  79         unsigned char WP_index;     /* For WPEG: WPEG instance index - lower ones have */
  80                                     /*           lower slot numbers/PCI bus numbers    */
  81                                     /* For CYC:  No meaning                            */
  82         unsigned char chassis_num;  /* 1 based Chassis number                          */
  83                                     /* For LookOut WPEGs this field indicates the      */
  84                                     /* Expansion Chassis #, enumerated from Boot       */
  85                                     /* Node WPEG external port, then Boot Node CYC     */
  86                                     /* external port, then Next Vigil chassis WPEG     */
  87                                     /* external port, etc.                             */
  88                                     /* Shared Lookouts have only 1 chassis number (the */
  89                                     /* first one assigned)                             */
  90 } __attribute__((packed));
  91
  92
  93 typedef enum {
  94         CompatTwister = 0,  /* Compatibility Twister               */
  95         AltTwister    = 1,  /* Alternate Twister of internal 8-way */
  96         CompatCyclone = 2,  /* Compatibility Cyclone               */
  97         AltCyclone    = 3,  /* Alternate Cyclone of internal 8-way */
  98         CompatWPEG    = 4,  /* Compatibility WPEG                  */
  99         AltWPEG       = 5,  /* Second Planar WPEG                  */
 100         LookOutAWPEG  = 6,  /* LookOut WPEG                        */
 101         LookOutBWPEG  = 7,  /* LookOut WPEG                        */
 102 } node_type;
 103
 104 static inline int is_WPEG(struct rio_detail *rio){
 105         return (rio->type == CompatWPEG || rio->type == AltWPEG ||
 106                 rio->type == LookOutAWPEG || rio->type == LookOutBWPEG);
 107 }
 108
 109 #endif /* __ASM_SUMMIT_MPPARSE_H */