1 /* Gaisler.com GRETH 10/100/1000 Ethernet MAC definitions
3 * (C) Copyright 2010, 2015
4 * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com
6 * SPDX-License-Identifier: GPL-2.0+
9 #ifndef __GRLIB_GRETH_H__
10 #define __GRLIB_GRETH_H__
13 #define GRETH_RESET 0x40
14 #define GRETH_MII_BUSY 0x8
15 #define GRETH_MII_NVALID 0x10
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
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
29 #define GRETH_BD_EN 0x800
30 #define GRETH_BD_WR 0x1000
31 #define GRETH_BD_IE 0x2000
32 #define GRETH_BD_LEN 0x7FF
34 #define GRETH_TXEN 0x1
35 #define GRETH_INT_TX 0x8
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
49 #define GRETH_INT_RX 0x4
50 #define GRETH_RXEN 0x2
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
65 #define GRETH_RXBD_NUM 128
66 #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
67 #define GRETH_RX_BUF_SIZE 2048
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;
81 /* Ethernet buffer descriptor */
82 typedef struct _greth_bd {
83 volatile unsigned int stat;
84 unsigned int addr; /* Buffer address not changed by HW */