fsl_pci.h 4.8 KB

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  1. /*
  2. * MPC85xx/86xx PCI Express structure define
  3. *
  4. * Copyright 2007,2011 Freescale Semiconductor, Inc
  5. *
  6. * This program is free software; you can redistribute it and/or modify it
  7. * under the terms of the GNU General Public License as published by the
  8. * Free Software Foundation; either version 2 of the License, or (at your
  9. * option) any later version.
  10. *
  11. */
  12. #ifdef __KERNEL__
  13. #ifndef __POWERPC_FSL_PCI_H
  14. #define __POWERPC_FSL_PCI_H
  15. #define PCIE_LTSSM 0x0404 /* PCIE Link Training and Status */
  16. #define PCIE_LTSSM_L0 0x16 /* L0 state */
  17. #define PCIE_IP_REV_2_2 0x02080202 /* PCIE IP block version Rev2.2 */
  18. #define PCIE_IP_REV_3_0 0x02080300 /* PCIE IP block version Rev3.0 */
  19. #define PIWAR_EN 0x80000000 /* Enable */
  20. #define PIWAR_PF 0x20000000 /* prefetch */
  21. #define PIWAR_TGI_LOCAL 0x00f00000 /* target - local memory */
  22. #define PIWAR_READ_SNOOP 0x00050000
  23. #define PIWAR_WRITE_SNOOP 0x00005000
  24. #define PIWAR_SZ_MASK 0x0000003f
  25. /* PCI/PCI Express outbound window reg */
  26. struct pci_outbound_window_regs {
  27. __be32 potar; /* 0x.0 - Outbound translation address register */
  28. __be32 potear; /* 0x.4 - Outbound translation extended address register */
  29. __be32 powbar; /* 0x.8 - Outbound window base address register */
  30. u8 res1[4];
  31. __be32 powar; /* 0x.10 - Outbound window attributes register */
  32. u8 res2[12];
  33. };
  34. /* PCI/PCI Express inbound window reg */
  35. struct pci_inbound_window_regs {
  36. __be32 pitar; /* 0x.0 - Inbound translation address register */
  37. u8 res1[4];
  38. __be32 piwbar; /* 0x.8 - Inbound window base address register */
  39. __be32 piwbear; /* 0x.c - Inbound window base extended address register */
  40. __be32 piwar; /* 0x.10 - Inbound window attributes register */
  41. u8 res2[12];
  42. };
  43. /* PCI/PCI Express IO block registers for 85xx/86xx */
  44. struct ccsr_pci {
  45. __be32 config_addr; /* 0x.000 - PCI/PCIE Configuration Address Register */
  46. __be32 config_data; /* 0x.004 - PCI/PCIE Configuration Data Register */
  47. __be32 int_ack; /* 0x.008 - PCI Interrupt Acknowledge Register */
  48. __be32 pex_otb_cpl_tor; /* 0x.00c - PCIE Outbound completion timeout register */
  49. __be32 pex_conf_tor; /* 0x.010 - PCIE configuration timeout register */
  50. __be32 pex_config; /* 0x.014 - PCIE CONFIG Register */
  51. __be32 pex_int_status; /* 0x.018 - PCIE interrupt status */
  52. u8 res2[4];
  53. __be32 pex_pme_mes_dr; /* 0x.020 - PCIE PME and message detect register */
  54. __be32 pex_pme_mes_disr; /* 0x.024 - PCIE PME and message disable register */
  55. __be32 pex_pme_mes_ier; /* 0x.028 - PCIE PME and message interrupt enable register */
  56. __be32 pex_pmcr; /* 0x.02c - PCIE power management command register */
  57. u8 res3[3016];
  58. __be32 block_rev1; /* 0x.bf8 - PCIE Block Revision register 1 */
  59. __be32 block_rev2; /* 0x.bfc - PCIE Block Revision register 2 */
  60. /* PCI/PCI Express outbound window 0-4
  61. * Window 0 is the default window and is the only window enabled upon reset.
  62. * The default outbound register set is used when a transaction misses
  63. * in all of the other outbound windows.
  64. */
  65. struct pci_outbound_window_regs pow[5];
  66. u8 res14[96];
  67. struct pci_inbound_window_regs pmit; /* 0xd00 - 0xd9c Inbound MSI */
  68. u8 res6[96];
  69. /* PCI/PCI Express inbound window 3-0
  70. * inbound window 1 supports only a 32-bit base address and does not
  71. * define an inbound window base extended address register.
  72. */
  73. struct pci_inbound_window_regs piw[4];
  74. __be32 pex_err_dr; /* 0x.e00 - PCI/PCIE error detect register */
  75. u8 res21[4];
  76. __be32 pex_err_en; /* 0x.e08 - PCI/PCIE error interrupt enable register */
  77. u8 res22[4];
  78. __be32 pex_err_disr; /* 0x.e10 - PCI/PCIE error disable register */
  79. u8 res23[12];
  80. __be32 pex_err_cap_stat; /* 0x.e20 - PCI/PCIE error capture status register */
  81. u8 res24[4];
  82. __be32 pex_err_cap_r0; /* 0x.e28 - PCIE error capture register 0 */
  83. __be32 pex_err_cap_r1; /* 0x.e2c - PCIE error capture register 0 */
  84. __be32 pex_err_cap_r2; /* 0x.e30 - PCIE error capture register 0 */
  85. __be32 pex_err_cap_r3; /* 0x.e34 - PCIE error capture register 0 */
  86. u8 res_e38[200];
  87. __be32 pdb_stat; /* 0x.f00 - PCIE Debug Status */
  88. u8 res_f04[16];
  89. __be32 pex_csr0; /* 0x.f14 - PEX Control/Status register 0*/
  90. #define PEX_CSR0_LTSSM_MASK 0xFC
  91. #define PEX_CSR0_LTSSM_SHIFT 2
  92. #define PEX_CSR0_LTSSM_L0 0x11
  93. __be32 pex_csr1; /* 0x.f18 - PEX Control/Status register 1*/
  94. u8 res_f1c[228];
  95. };
  96. extern int fsl_add_bridge(struct platform_device *pdev, int is_primary);
  97. extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
  98. extern int mpc83xx_add_bridge(struct device_node *dev);
  99. u64 fsl_pci_immrbar_base(struct pci_controller *hose);
  100. extern struct device_node *fsl_pci_primary;
  101. #ifdef CONFIG_PCI
  102. void fsl_pci_assign_primary(void);
  103. #else
  104. static inline void fsl_pci_assign_primary(void) {}
  105. #endif
  106. #ifdef CONFIG_EDAC_MPC85XX
  107. int mpc85xx_pci_err_probe(struct platform_device *op);
  108. #else
  109. static inline int mpc85xx_pci_err_probe(struct platform_device *op)
  110. {
  111. return -ENOTSUPP;
  112. }
  113. #endif
  114. #endif /* __POWERPC_FSL_PCI_H */
  115. #endif /* __KERNEL__ */