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   1 ; Definitions for the Cell Broadband Engine Architecture
   2 ;
   3 ; Contributors:
   4 ;  Jeremy Kerr <jk@ozlabs.org>
   5 ;
   6 ; Most definitions are from the documents:
   7 ; [regs]:
   8 ;       Cell Broadband Engine Registers
   9 ;       version 1.3
  10 ;       http://www-306.ibm.com/chips/techlib/techlib.nsf/techdocs/6ED822DD7E97D889872570B200607EEC
  11 ;
  12 ; [cbea]:
  13 ;       Cell Broadband Engine Architecture
  14 ;       version 1.0
  15 ;       http://www-306.ibm.com/chips/techlib/techlib.nsf/techdocs/1AEEE1270EA2776387257060006E61BA
  16
  17
  18
  19 ; [regs] Section 5.6
  20 [IOC_IOST_Origin]
  21 name:   Cell IOMMU Segmentation Table Origin
  22 width:  64
  23 field:  0       Enable
  24 field:  22:51   IOST origin
  25 field:  52      HW
  26 field:  53      HL
  27
  28 ; [regs] Section 5.7
  29 [IOC_IO_ExcpStat]
  30 name:   Cell I/O Exception Status Register
  31 width:  64
  32 field:  0       Valid
  33 field:  1:2     Segment/Page Fault
  34 value:          0 none
  35 value:          1 page fault
  36 value:          2 undefined
  37 value:          3 segment fault
  38 field:  29:51   Address
  39 field:  52      RW
  40 value:          0 write
  41 value:          1 read
  42 field:  53:63   IOID
  43
  44 ; [regs] Section 4.1
  45 [IOC_IOCmd_Cfg]
  46 name:   Cell IOCmd Configuration
  47 field:  0:15    IOC Timeout
  48 field:  16      TE
  49 field:  17      Enable tokens
  50 field:  18      Read-modify-write
  51 field:  19      SXT
  52 field:  20      Node ID 0
  53 field:  21:31   IOID0
  54 field:  32:34   CVCID0
  55 filed:  35      IR0
  56 field:  36      E0
  57 field:  37      Node ID 1
  58 field:  38:48   IOID1
  59 field:  49:51   CVCID1
  60 filed:  52      IR1
  61 field:  53      E1
  62 field:  54:57   Starvation count 1
  63 field:  58      AAR
  64 field:  59      AAA
  65 field:  60      Disable ageing
  66 field:  61      Read intervention
  67
  68 [IOC_STE]
  69 name: Cell IOMMU Segmentation Table Entry
  70 field:  0       Valid
  71 field:  1       Hint
  72 field:  2:51    IOPT Base RPN
  73 field:  52:58   NPPT
  74 field:  60:63   Page size
  75
  76 [IOC_PTE]
  77 name: Cell IOMMU Page Table Entry
  78 field:  0:1     Page protection
  79 value:          0 no access
  80 value:          1 read
  81 value:          2 write
  82 value:          3 read & write
  83 field:  2       Coherence required
  84 field:  3:4     Storage ordering
  85 value:          0 none
  86 value:          1 reserved
  87 value:          2 writes
  88 value:          3 reads & writes
  89 field:  5:51    RPN
  90 field:  52:63   IOID
  91
  92 ; [regs] Section 5.4
  93 [IOC_IOPT_CacheInvd]
  94 name: Cell IOC IOPT Cache Invalidate
  95 field:  0:10    Number of entries
  96 field:  22:60   IOPTE real address
  97 field:  63      Busy
  98
  99 ; [cbea] Section 8.5.2
 100 [SPU_Status]
 101 name: Cell SPU Status
 102 width: 32
 103 field:  0:15    Stop-and-signal status
 104 field:  21      Isolate exit
 105 field:  22      Isolate load
 106 field:  24      Isolated mode
 107 field:  26      Stopped: invalid instruction
 108 field:  27      Stopped: single-step mode
 109 field:  28      Waiting on blocked channel
 110 field:  29      Stopped: halt instruction
 111 field:  30      Stopped: stop-and-signal
 112 field:  31      Running
 113
 114 ; [cbea] Section 15.1
 115 [MFC_SR1]
 116 name:   Cell MFC State Register 1
 117 width:  64
 118 field:  57      Software/hardware page tables
 119 field:  58      Master run control
 120 value:          0 Stopped
 121 value:          1 Running
 122 field:  59      MFC Translation
 123 field:  60      Problem state
 124 field:  62      Bus tlbie
 125 field:  63      Local store real address
 126