uccf.h 3.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117
  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (C) 2006 Freescale Semiconductor, Inc.
  4. *
  5. * Dave Liu <daveliu@freescale.com>
  6. * based on source code of Shlomi Gridish
  7. */
  8. #ifndef __UCCF_H__
  9. #define __UCCF_H__
  10. #include "common.h"
  11. #include "linux/immap_qe.h"
  12. #include <fsl_qe.h>
  13. /* Fast or Giga ethernet
  14. */
  15. typedef enum enet_type {
  16. FAST_ETH,
  17. GIGA_ETH,
  18. } enet_type_e;
  19. /* General UCC Extended Mode Register
  20. */
  21. #define UCC_GUEMR_MODE_MASK_RX 0x02
  22. #define UCC_GUEMR_MODE_MASK_TX 0x01
  23. #define UCC_GUEMR_MODE_FAST_RX 0x02
  24. #define UCC_GUEMR_MODE_FAST_TX 0x01
  25. #define UCC_GUEMR_MODE_SLOW_RX 0x00
  26. #define UCC_GUEMR_MODE_SLOW_TX 0x00
  27. #define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 must be set 1 */
  28. /* General UCC FAST Mode Register
  29. */
  30. #define UCC_FAST_GUMR_TCI 0x20000000
  31. #define UCC_FAST_GUMR_TRX 0x10000000
  32. #define UCC_FAST_GUMR_TTX 0x08000000
  33. #define UCC_FAST_GUMR_CDP 0x04000000
  34. #define UCC_FAST_GUMR_CTSP 0x02000000
  35. #define UCC_FAST_GUMR_CDS 0x01000000
  36. #define UCC_FAST_GUMR_CTSS 0x00800000
  37. #define UCC_FAST_GUMR_TXSY 0x00020000
  38. #define UCC_FAST_GUMR_RSYN 0x00010000
  39. #define UCC_FAST_GUMR_RTSM 0x00002000
  40. #define UCC_FAST_GUMR_REVD 0x00000400
  41. #define UCC_FAST_GUMR_ENR 0x00000020
  42. #define UCC_FAST_GUMR_ENT 0x00000010
  43. /* GUMR [MODE] bit maps
  44. */
  45. #define UCC_FAST_GUMR_HDLC 0x00000000
  46. #define UCC_FAST_GUMR_QMC 0x00000002
  47. #define UCC_FAST_GUMR_UART 0x00000004
  48. #define UCC_FAST_GUMR_BISYNC 0x00000008
  49. #define UCC_FAST_GUMR_ATM 0x0000000a
  50. #define UCC_FAST_GUMR_ETH 0x0000000c
  51. /* Transmit On Demand (UTORD)
  52. */
  53. #define UCC_SLOW_TOD 0x8000
  54. #define UCC_FAST_TOD 0x8000
  55. /* Fast Ethernet (10/100 Mbps)
  56. */
  57. #define UCC_GETH_URFS_INIT 512 /* Rx virtual FIFO size */
  58. #define UCC_GETH_URFET_INIT 256 /* 1/2 urfs */
  59. #define UCC_GETH_URFSET_INIT 384 /* 3/4 urfs */
  60. #define UCC_GETH_UTFS_INIT 512 /* Tx virtual FIFO size */
  61. #define UCC_GETH_UTFET_INIT 256 /* 1/2 utfs */
  62. #define UCC_GETH_UTFTT_INIT 128
  63. /* Gigabit Ethernet (1000 Mbps)
  64. */
  65. #define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ /* Rx virtual FIFO size */
  66. #define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ /* 1/2 urfs */
  67. #define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ /* 3/4 urfs */
  68. #define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ /* Tx virtual FIFO size */
  69. #define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ /* 1/2 utfs */
  70. #define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ /* */
  71. /* UCC fast alignment
  72. */
  73. #define UCC_FAST_RX_ALIGN 4
  74. #define UCC_FAST_MRBLR_ALIGNMENT 4
  75. #define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8
  76. /* Sizes
  77. */
  78. #define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8
  79. /* UCC fast structure.
  80. */
  81. typedef struct ucc_fast_info {
  82. int ucc_num;
  83. qe_clock_e rx_clock;
  84. qe_clock_e tx_clock;
  85. enet_type_e eth_type;
  86. } ucc_fast_info_t;
  87. typedef struct ucc_fast_private {
  88. ucc_fast_info_t *uf_info;
  89. ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */
  90. u32 *p_ucce; /* a pointer to the event register */
  91. u32 *p_uccm; /* a pointer to the mask register */
  92. int enabled_tx; /* whether UCC is enabled for Tx (ENT) */
  93. int enabled_rx; /* whether UCC is enabled for Rx (ENR) */
  94. u32 ucc_fast_tx_virtual_fifo_base_offset;
  95. u32 ucc_fast_rx_virtual_fifo_base_offset;
  96. } ucc_fast_private_t;
  97. void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf);
  98. u32 ucc_fast_get_qe_cr_subblock(int ucc_num);
  99. void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode);
  100. void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode);
  101. int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret);
  102. #endif /* __UCCF_H__ */