| Daniel Hellstrom | f2879f5 | 2010-01-21 16:09:37 +0100 | [diff] [blame] | 1 | /* Gaisler.com GRETH 10/100/1000 Ethernet MAC definitions |
| 2 | * |
| 3 | * (C) Copyright 2010, 2015 |
| 4 | * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0+ |
| 7 | */ |
| 8 | |
| 9 | #ifndef __GRLIB_GRETH_H__ |
| 10 | #define __GRLIB_GRETH_H__ |
| 11 | |
| 12 | #define GRETH_FD 0x10 |
| 13 | #define GRETH_RESET 0x40 |
| 14 | #define GRETH_MII_BUSY 0x8 |
| 15 | #define GRETH_MII_NVALID 0x10 |
| 16 | |
| 17 | /* MII registers */ |
| 18 | #define GRETH_MII_EXTADV_1000FD 0x00000200 |
| 19 | #define GRETH_MII_EXTADV_1000HD 0x00000100 |
| 20 | #define GRETH_MII_EXTPRT_1000FD 0x00000800 |
| 21 | #define GRETH_MII_EXTPRT_1000HD 0x00000400 |
| 22 | |
| 23 | #define GRETH_MII_100T4 0x00000200 |
| 24 | #define GRETH_MII_100TXFD 0x00000100 |
| 25 | #define GRETH_MII_100TXHD 0x00000080 |
| 26 | #define GRETH_MII_10FD 0x00000040 |
| 27 | #define GRETH_MII_10HD 0x00000020 |
| 28 | |
| 29 | #define GRETH_BD_EN 0x800 |
| 30 | #define GRETH_BD_WR 0x1000 |
| 31 | #define GRETH_BD_IE 0x2000 |
| 32 | #define GRETH_BD_LEN 0x7FF |
| 33 | |
| 34 | #define GRETH_TXEN 0x1 |
| 35 | #define GRETH_INT_TX 0x8 |
| 36 | #define GRETH_TXI 0x4 |
| 37 | #define GRETH_TXBD_STATUS 0x0001C000 |
| 38 | #define GRETH_TXBD_MORE 0x20000 |
| 39 | #define GRETH_TXBD_IPCS 0x40000 |
| 40 | #define GRETH_TXBD_TCPCS 0x80000 |
| 41 | #define GRETH_TXBD_UDPCS 0x100000 |
| 42 | #define GRETH_TXBD_ERR_LC 0x10000 |
| 43 | #define GRETH_TXBD_ERR_UE 0x4000 |
| 44 | #define GRETH_TXBD_ERR_AL 0x8000 |
| 45 | #define GRETH_TXBD_NUM 128 |
| 46 | #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1) |
| 47 | #define GRETH_TX_BUF_SIZE 2048 |
| 48 | |
| 49 | #define GRETH_INT_RX 0x4 |
| 50 | #define GRETH_RXEN 0x2 |
| 51 | #define GRETH_RXI 0x8 |
| 52 | #define GRETH_RXBD_STATUS 0xFFFFC000 |
| 53 | #define GRETH_RXBD_ERR_AE 0x4000 |
| 54 | #define GRETH_RXBD_ERR_FT 0x8000 |
| 55 | #define GRETH_RXBD_ERR_CRC 0x10000 |
| 56 | #define GRETH_RXBD_ERR_OE 0x20000 |
| 57 | #define GRETH_RXBD_ERR_LE 0x40000 |
| 58 | #define GRETH_RXBD_IP_DEC 0x80000 |
| 59 | #define GRETH_RXBD_IP_CSERR 0x100000 |
| 60 | #define GRETH_RXBD_UDP_DEC 0x200000 |
| 61 | #define GRETH_RXBD_UDP_CSERR 0x400000 |
| 62 | #define GRETH_RXBD_TCP_DEC 0x800000 |
| 63 | #define GRETH_RXBD_TCP_CSERR 0x1000000 |
| 64 | |
| 65 | #define GRETH_RXBD_NUM 128 |
| 66 | #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1) |
| 67 | #define GRETH_RX_BUF_SIZE 2048 |
| 68 | |
| 69 | /* Ethernet configuration registers */ |
| 70 | typedef struct _greth_regs { |
| 71 | volatile unsigned int control; |
| 72 | volatile unsigned int status; |
| 73 | volatile unsigned int esa_msb; |
| 74 | volatile unsigned int esa_lsb; |
| 75 | volatile unsigned int mdio; |
| 76 | volatile unsigned int tx_desc_p; |
| 77 | volatile unsigned int rx_desc_p; |
| 78 | volatile unsigned int edcl_ip; |
| 79 | } greth_regs; |
| 80 | |
| 81 | /* Ethernet buffer descriptor */ |
| 82 | typedef struct _greth_bd { |
| 83 | volatile unsigned int stat; |
| 84 | unsigned int addr; /* Buffer address not changed by HW */ |
| 85 | } greth_bd; |
| 86 | |
| 87 | #endif |