alarmMemoryDefinition.h 8.1 KB

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  1. #ifndef __ALPHA_MCPCIA__H__
  2. #define __ALPHA_MCPCIA__H__
  3. /* Define to experiment with fitting everything into one 128MB HAE window.
  4. One window per bus, that is. */
  5. #define MCPCIA_ONE_HAE_WINDOW 1
  6. #include <linux/types.h>
  7. #include <asm/compiler.h>
  8. #include <asm/mce.h>
  9. /*
  10. * MCPCIA is the internal name for a core logic chipset which provides
  11. * PCI access for the RAWHIDE family of systems.
  12. *
  13. * This file is based on:
  14. *
  15. * RAWHIDE System Programmer's Manual
  16. * 16-May-96
  17. * Rev. 1.4
  18. *
  19. */
  20. /*------------------------------------------------------------------------**
  21. ** **
  22. ** I/O procedures **
  23. ** **
  24. ** inport[b|w|t|l], outport[b|w|t|l] 8:16:24:32 IO xfers **
  25. ** inportbxt: 8 bits only **
  26. ** inport: alias of inportw **
  27. ** outport: alias of outportw **
  28. ** **
  29. ** inmem[b|w|t|l], outmem[b|w|t|l] 8:16:24:32 ISA memory xfers **
  30. ** inmembxt: 8 bits only **
  31. ** inmem: alias of inmemw **
  32. ** outmem: alias of outmemw **
  33. ** **
  34. **------------------------------------------------------------------------*/
  35. /* MCPCIA ADDRESS BIT DEFINITIONS
  36. *
  37. * 3333 3333 3322 2222 2222 1111 1111 11
  38. * 9876 5432 1098 7654 3210 9876 5432 1098 7654 3210
  39. * ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
  40. * 1 000
  41. * ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
  42. * | |\|
  43. * | Byte Enable --+ |
  44. * | Transfer Length --+
  45. * +-- IO space, not cached
  46. *
  47. * Byte Transfer
  48. * Enable Length Transfer Byte Address
  49. * adr<6:5> adr<4:3> Length Enable Adder
  50. * ---------------------------------------------
  51. * 00 00 Byte 1110 0x000
  52. * 01 00 Byte 1101 0x020
  53. * 10 00 Byte 1011 0x040
  54. * 11 00 Byte 0111 0x060
  55. *
  56. * 00 01 Word 1100 0x008
  57. * 01 01 Word 1001 0x028 <= Not supported in this code.
  58. * 10 01 Word 0011 0x048
  59. *
  60. * 00 10 Tribyte 1000 0x010
  61. * 01 10 Tribyte 0001 0x030
  62. *
  63. * 10 11 Longword 0000 0x058
  64. *
  65. * Note that byte enables are asserted low.
  66. *
  67. */
  68. #define MCPCIA_MAX_HOSES 4
  69. #define MCPCIA_MID(m) ((unsigned long)(m) << 33)
  70. /* Dodge has PCI0 and PCI1 at MID 4 and 5 respectively.
  71. Durango adds PCI2 and PCI3 at MID 6 and 7 respectively. */
  72. #define MCPCIA_HOSE2MID(h) ((h) + 4)
  73. #define MCPCIA_MEM_MASK 0x07ffffff /* SPARSE Mem region mask is 27 bits */
  74. /*
  75. * Memory spaces:
  76. */
  77. #define MCPCIA_SPARSE(m) (IDENT_ADDR + 0xf000000000UL + MCPCIA_MID(m))
  78. #define MCPCIA_DENSE(m) (IDENT_ADDR + 0xf100000000UL + MCPCIA_MID(m))
  79. #define MCPCIA_IO(m) (IDENT_ADDR + 0xf180000000UL + MCPCIA_MID(m))
  80. #define MCPCIA_CONF(m) (IDENT_ADDR + 0xf1c0000000UL + MCPCIA_MID(m))
  81. #define MCPCIA_CSR(m) (IDENT_ADDR + 0xf1e0000000UL + MCPCIA_MID(m))
  82. #define MCPCIA_IO_IACK(m) (IDENT_ADDR + 0xf1f0000000UL + MCPCIA_MID(m))
  83. #define MCPCIA_DENSE_IO(m) (IDENT_ADDR + 0xe1fc000000UL + MCPCIA_MID(m))
  84. #define MCPCIA_DENSE_CONF(m) (IDENT_ADDR + 0xe1fe000000UL + MCPCIA_MID(m))
  85. /*
  86. * General Registers
  87. */
  88. #define MCPCIA_REV(m) (MCPCIA_CSR(m) + 0x000)
  89. #define MCPCIA_WHOAMI(m) (MCPCIA_CSR(m) + 0x040)
  90. #define MCPCIA_PCI_LAT(m) (MCPCIA_CSR(m) + 0x080)
  91. #define MCPCIA_CAP_CTRL(m) (MCPCIA_CSR(m) + 0x100)
  92. #define MCPCIA_HAE_MEM(m) (MCPCIA_CSR(m) + 0x400)
  93. #define MCPCIA_HAE_IO(m) (MCPCIA_CSR(m) + 0x440)
  94. #define _MCPCIA_IACK_SC(m) (MCPCIA_CSR(m) + 0x480)
  95. #define MCPCIA_HAE_DENSE(m) (MCPCIA_CSR(m) + 0x4C0)
  96. /*
  97. * Interrupt Control registers
  98. */
  99. #define MCPCIA_INT_CTL(m) (MCPCIA_CSR(m) + 0x500)
  100. #define MCPCIA_INT_REQ(m) (MCPCIA_CSR(m) + 0x540)
  101. #define MCPCIA_INT_TARG(m) (MCPCIA_CSR(m) + 0x580)
  102. #define MCPCIA_INT_ADR(m) (MCPCIA_CSR(m) + 0x5C0)
  103. #define MCPCIA_INT_ADR_EXT(m) (MCPCIA_CSR(m) + 0x600)
  104. #define MCPCIA_INT_MASK0(m) (MCPCIA_CSR(m) + 0x640)
  105. #define MCPCIA_INT_MASK1(m) (MCPCIA_CSR(m) + 0x680)
  106. #define MCPCIA_INT_ACK0(m) (MCPCIA_CSR(m) + 0x10003f00)
  107. #define MCPCIA_INT_ACK1(m) (MCPCIA_CSR(m) + 0x10003f40)
  108. /*
  109. * Performance Monitor registers
  110. */
  111. #define MCPCIA_PERF_MON(m) (MCPCIA_CSR(m) + 0x300)
  112. #define MCPCIA_PERF_CONT(m) (MCPCIA_CSR(m) + 0x340)
  113. /*
  114. * Diagnostic Registers
  115. */
  116. #define MCPCIA_CAP_DIAG(m) (MCPCIA_CSR(m) + 0x700)
  117. #define MCPCIA_TOP_OF_MEM(m) (MCPCIA_CSR(m) + 0x7C0)
  118. /*
  119. * Error registers
  120. */
  121. #define MCPCIA_MC_ERR0(m) (MCPCIA_CSR(m) + 0x800)
  122. #define MCPCIA_MC_ERR1(m) (MCPCIA_CSR(m) + 0x840)
  123. #define MCPCIA_CAP_ERR(m) (MCPCIA_CSR(m) + 0x880)
  124. #define MCPCIA_PCI_ERR1(m) (MCPCIA_CSR(m) + 0x1040)
  125. #define MCPCIA_MDPA_STAT(m) (MCPCIA_CSR(m) + 0x4000)
  126. #define MCPCIA_MDPA_SYN(m) (MCPCIA_CSR(m) + 0x4040)
  127. #define MCPCIA_MDPA_DIAG(m) (MCPCIA_CSR(m) + 0x4080)
  128. #define MCPCIA_MDPB_STAT(m) (MCPCIA_CSR(m) + 0x8000)
  129. #define MCPCIA_MDPB_SYN(m) (MCPCIA_CSR(m) + 0x8040)
  130. #define MCPCIA_MDPB_DIAG(m) (MCPCIA_CSR(m) + 0x8080)
  131. /*
  132. * PCI Address Translation Registers.
  133. */
  134. #define MCPCIA_SG_TBIA(m) (MCPCIA_CSR(m) + 0x1300)
  135. #define MCPCIA_HBASE(m) (MCPCIA_CSR(m) + 0x1340)
  136. #define MCPCIA_W0_BASE(m) (MCPCIA_CSR(m) + 0x1400)
  137. #define MCPCIA_W0_MASK(m) (MCPCIA_CSR(m) + 0x1440)
  138. #define MCPCIA_T0_BASE(m) (MCPCIA_CSR(m) + 0x1480)
  139. #define MCPCIA_W1_BASE(m) (MCPCIA_CSR(m) + 0x1500)
  140. #define MCPCIA_W1_MASK(m) (MCPCIA_CSR(m) + 0x1540)
  141. #define MCPCIA_T1_BASE(m) (MCPCIA_CSR(m) + 0x1580)
  142. #define MCPCIA_W2_BASE(m) (MCPCIA_CSR(m) + 0x1600)
  143. #define MCPCIA_W2_MASK(m) (MCPCIA_CSR(m) + 0x1640)
  144. #define MCPCIA_T2_BASE(m) (MCPCIA_CSR(m) + 0x1680)
  145. #define MCPCIA_W3_BASE(m) (MCPCIA_CSR(m) + 0x1700)
  146. #define MCPCIA_W3_MASK(m) (MCPCIA_CSR(m) + 0x1740)
  147. #define MCPCIA_T3_BASE(m) (MCPCIA_CSR(m) + 0x1780)
  148. /* Hack! Only words for bus 0. */
  149. #ifndef MCPCIA_ONE_HAE_WINDOW
  150. #define MCPCIA_HAE_ADDRESS MCPCIA_HAE_MEM(4)
  151. #endif
  152. #define MCPCIA_IACK_SC _MCPCIA_IACK_SC(4)
  153. /*
  154. * The canonical non-remaped I/O and MEM addresses have these values
  155. * subtracted out. This is arranged so that folks manipulating ISA
  156. * devices can use their familiar numbers and have them map to bus 0.
  157. */
  158. #define MCPCIA_IO_BIAS MCPCIA_IO(4)
  159. #define MCPCIA_MEM_BIAS MCPCIA_DENSE(4)
  160. /* Offset between ram physical addresses and pci64 DAC bus addresses. */
  161. #define MCPCIA_DAC_OFFSET (1UL << 40)
  162. /*
  163. * Data structure for handling MCPCIA machine checks:
  164. */
  165. struct el_MCPCIA_uncorrected_frame_mcheck {
  166. struct el_common header;
  167. struct el_common_EV5_uncorrectable_mcheck procdata;
  168. };
  169. #ifdef __KERNEL__
  170. #ifndef __EXTERN_INLINE
  171. #define __EXTERN_INLINE extern inline
  172. #define __IO_EXTERN_INLINE
  173. #endif
  174. /*
  175. * I/O functions:
  176. *
  177. * MCPCIA, the RAWHIDE family PCI/memory support chipset for the EV5 (21164)
  178. * and EV56 (21164a) processors, can use either a sparse address mapping
  179. * scheme, or the so-called byte-word PCI address space, to get at PCI memory
  180. * and I/O.
  181. *
  182. * Unfortunately, we can't use BWIO with EV5, so for now, we always use SPARSE.
  183. */
  184. /*
  185. * Memory functions. 64-bit and 32-bit accesses are done through
  186. * dense memory space, everything else through sparse space.
  187. *
  188. * For reading and writing 8 and 16 bit quantities we need to
  189. * go through one of the three sparse address mapping regions
  190. * and use the HAE_MEM CSR to provide some bits of the address.
  191. * The following few routines use only sparse address region 1
  192. * which gives 1Gbyte of accessible space which relates exactly
  193. * to the amount of PCI memory mapping *into* system address space.
  194. * See p 6-17 of the specification but it looks something like this:
  195. *
  196. * 21164 Address:
  197. *
  198. * 3 2 1
  199. * 9876543210987654321098765432109876543210
  200. * 1ZZZZ0.PCI.QW.Address............BBLL
  201. *
  202. * ZZ = SBZ
  203. * BB = Byte offset