mpc5121.h 3.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120
  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * MPC5121 Prototypes and definitions
  4. */
  5. #ifndef __ASM_POWERPC_MPC5121_H__
  6. #define __ASM_POWERPC_MPC5121_H__
  7. /* MPC512x Reset module registers */
  8. struct mpc512x_reset_module {
  9. u32 rcwlr; /* Reset Configuration Word Low Register */
  10. u32 rcwhr; /* Reset Configuration Word High Register */
  11. u32 reserved1;
  12. u32 reserved2;
  13. u32 rsr; /* Reset Status Register */
  14. u32 rmr; /* Reset Mode Register */
  15. u32 rpr; /* Reset Protection Register */
  16. u32 rcr; /* Reset Control Register */
  17. u32 rcer; /* Reset Control Enable Register */
  18. };
  19. /*
  20. * Clock Control Module
  21. */
  22. struct mpc512x_ccm {
  23. u32 spmr; /* System PLL Mode Register */
  24. u32 sccr1; /* System Clock Control Register 1 */
  25. u32 sccr2; /* System Clock Control Register 2 */
  26. u32 scfr1; /* System Clock Frequency Register 1 */
  27. u32 scfr2; /* System Clock Frequency Register 2 */
  28. u32 scfr2s; /* System Clock Frequency Shadow Register 2 */
  29. u32 bcr; /* Bread Crumb Register */
  30. u32 psc_ccr[12]; /* PSC Clock Control Registers */
  31. u32 spccr; /* SPDIF Clock Control Register */
  32. u32 cccr; /* CFM Clock Control Register */
  33. u32 dccr; /* DIU Clock Control Register */
  34. u32 mscan_ccr[4]; /* MSCAN Clock Control Registers */
  35. u32 out_ccr[4]; /* OUT CLK Configure Registers */
  36. u32 rsv0[2]; /* Reserved */
  37. u32 scfr3; /* System Clock Frequency Register 3 */
  38. u32 rsv1[3]; /* Reserved */
  39. u32 spll_lock_cnt; /* System PLL Lock Counter */
  40. u8 res[0x6c]; /* Reserved */
  41. };
  42. /*
  43. * LPC Module
  44. */
  45. struct mpc512x_lpc {
  46. u32 cs_cfg[8]; /* CS config */
  47. u32 cs_ctrl; /* CS Control Register */
  48. u32 cs_status; /* CS Status Register */
  49. u32 burst_ctrl; /* CS Burst Control Register */
  50. u32 deadcycle_ctrl; /* CS Deadcycle Control Register */
  51. u32 holdcycle_ctrl; /* CS Holdcycle Control Register */
  52. u32 alt; /* Address Latch Timing Register */
  53. };
  54. int mpc512x_cs_config(unsigned int cs, u32 val);
  55. /*
  56. * SCLPC Module (LPB FIFO)
  57. */
  58. struct mpc512x_lpbfifo {
  59. u32 pkt_size; /* SCLPC Packet Size Register */
  60. u32 start_addr; /* SCLPC Start Address Register */
  61. u32 ctrl; /* SCLPC Control Register */
  62. u32 enable; /* SCLPC Enable Register */
  63. u32 reserved1;
  64. u32 status; /* SCLPC Status Register */
  65. u32 bytes_done; /* SCLPC Bytes Done Register */
  66. u32 emb_sc; /* EMB Share Counter Register */
  67. u32 emb_pc; /* EMB Pause Control Register */
  68. u32 reserved2[7];
  69. u32 data_word; /* LPC RX/TX FIFO Data Word Register */
  70. u32 fifo_status; /* LPC RX/TX FIFO Status Register */
  71. u32 fifo_ctrl; /* LPC RX/TX FIFO Control Register */
  72. u32 fifo_alarm; /* LPC RX/TX FIFO Alarm Register */
  73. };
  74. #define MPC512X_SCLPC_START (1 << 31)
  75. #define MPC512X_SCLPC_CS(x) (((x) & 0x7) << 24)
  76. #define MPC512X_SCLPC_FLUSH (1 << 17)
  77. #define MPC512X_SCLPC_READ (1 << 16)
  78. #define MPC512X_SCLPC_DAI (1 << 8)
  79. #define MPC512X_SCLPC_BPT(x) ((x) & 0x3f)
  80. #define MPC512X_SCLPC_RESET (1 << 24)
  81. #define MPC512X_SCLPC_FIFO_RESET (1 << 16)
  82. #define MPC512X_SCLPC_ABORT_INT_ENABLE (1 << 9)
  83. #define MPC512X_SCLPC_NORM_INT_ENABLE (1 << 8)
  84. #define MPC512X_SCLPC_ENABLE (1 << 0)
  85. #define MPC512X_SCLPC_SUCCESS (1 << 24)
  86. #define MPC512X_SCLPC_FIFO_CTRL(x) (((x) & 0x7) << 24)
  87. #define MPC512X_SCLPC_FIFO_ALARM(x) ((x) & 0x3ff)
  88. enum lpb_dev_portsize {
  89. LPB_DEV_PORTSIZE_UNDEFINED = 0,
  90. LPB_DEV_PORTSIZE_1_BYTE = 1,
  91. LPB_DEV_PORTSIZE_2_BYTES = 2,
  92. LPB_DEV_PORTSIZE_4_BYTES = 4,
  93. LPB_DEV_PORTSIZE_8_BYTES = 8
  94. };
  95. enum mpc512x_lpbfifo_req_dir {
  96. MPC512X_LPBFIFO_REQ_DIR_READ,
  97. MPC512X_LPBFIFO_REQ_DIR_WRITE
  98. };
  99. struct mpc512x_lpbfifo_request {
  100. phys_addr_t dev_phys_addr; /* physical address of some device on LPB */
  101. void *ram_virt_addr; /* virtual address of some region in RAM */
  102. u32 size;
  103. enum lpb_dev_portsize portsize;
  104. enum mpc512x_lpbfifo_req_dir dir;
  105. void (*callback)(struct mpc512x_lpbfifo_request *);
  106. };
  107. int mpc512x_lpbfifo_submit(struct mpc512x_lpbfifo_request *req);
  108. #endif /* __ASM_POWERPC_MPC5121_H__ */