greth.h 2.3 KB

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  1. /* Gaisler.com GRETH 10/100/1000 Ethernet MAC driver
  2. *
  3. * (C) Copyright 2007
  4. * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
  5. *
  6. * SPDX-License-Identifier: GPL-2.0+
  7. */
  8. #define GRETH_FD 0x10
  9. #define GRETH_RESET 0x40
  10. #define GRETH_MII_BUSY 0x8
  11. #define GRETH_MII_NVALID 0x10
  12. /* MII registers */
  13. #define GRETH_MII_EXTADV_1000FD 0x00000200
  14. #define GRETH_MII_EXTADV_1000HD 0x00000100
  15. #define GRETH_MII_EXTPRT_1000FD 0x00000800
  16. #define GRETH_MII_EXTPRT_1000HD 0x00000400
  17. #define GRETH_MII_100T4 0x00000200
  18. #define GRETH_MII_100TXFD 0x00000100
  19. #define GRETH_MII_100TXHD 0x00000080
  20. #define GRETH_MII_10FD 0x00000040
  21. #define GRETH_MII_10HD 0x00000020
  22. #define GRETH_BD_EN 0x800
  23. #define GRETH_BD_WR 0x1000
  24. #define GRETH_BD_IE 0x2000
  25. #define GRETH_BD_LEN 0x7FF
  26. #define GRETH_TXEN 0x1
  27. #define GRETH_INT_TX 0x8
  28. #define GRETH_TXI 0x4
  29. #define GRETH_TXBD_STATUS 0x0001C000
  30. #define GRETH_TXBD_MORE 0x20000
  31. #define GRETH_TXBD_IPCS 0x40000
  32. #define GRETH_TXBD_TCPCS 0x80000
  33. #define GRETH_TXBD_UDPCS 0x100000
  34. #define GRETH_TXBD_ERR_LC 0x10000
  35. #define GRETH_TXBD_ERR_UE 0x4000
  36. #define GRETH_TXBD_ERR_AL 0x8000
  37. #define GRETH_TXBD_NUM 128
  38. #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
  39. #define GRETH_TX_BUF_SIZE 2048
  40. #define GRETH_INT_RX 0x4
  41. #define GRETH_RXEN 0x2
  42. #define GRETH_RXI 0x8
  43. #define GRETH_RXBD_STATUS 0xFFFFC000
  44. #define GRETH_RXBD_ERR_AE 0x4000
  45. #define GRETH_RXBD_ERR_FT 0x8000
  46. #define GRETH_RXBD_ERR_CRC 0x10000
  47. #define GRETH_RXBD_ERR_OE 0x20000
  48. #define GRETH_RXBD_ERR_LE 0x40000
  49. #define GRETH_RXBD_IP_DEC 0x80000
  50. #define GRETH_RXBD_IP_CSERR 0x100000
  51. #define GRETH_RXBD_UDP_DEC 0x200000
  52. #define GRETH_RXBD_UDP_CSERR 0x400000
  53. #define GRETH_RXBD_TCP_DEC 0x800000
  54. #define GRETH_RXBD_TCP_CSERR 0x1000000
  55. #define GRETH_RXBD_NUM 128
  56. #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
  57. #define GRETH_RX_BUF_SIZE 2048
  58. /* Ethernet configuration registers */
  59. typedef struct _greth_regs {
  60. volatile unsigned int control;
  61. volatile unsigned int status;
  62. volatile unsigned int esa_msb;
  63. volatile unsigned int esa_lsb;
  64. volatile unsigned int mdio;
  65. volatile unsigned int tx_desc_p;
  66. volatile unsigned int rx_desc_p;
  67. } greth_regs;
  68. /* Ethernet buffer descriptor */
  69. typedef struct _greth_bd {
  70. volatile unsigned int stat;
  71. unsigned int addr; /* Buffer address not changed by HW */
  72. } greth_bd;