projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| c2b7da55 DH |
1 | /* Gaisler.com GRETH 10/100/1000 Ethernet MAC driver |
| 2 | * | |
| 3 | * (C) Copyright 2007 | |
| 4 | * Daniel Hellstrom, Gaisler Research, [email protected] | |
| 5 | * | |
| 1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
| c2b7da55 DH |
7 | */ |
| 8 | ||
| 9 | #define GRETH_FD 0x10 | |
| 10 | #define GRETH_RESET 0x40 | |
| 11 | #define GRETH_MII_BUSY 0x8 | |
| 12 | #define GRETH_MII_NVALID 0x10 | |
| 13 | ||
| 14 | /* MII registers */ | |
| 15 | #define GRETH_MII_EXTADV_1000FD 0x00000200 | |
| 16 | #define GRETH_MII_EXTADV_1000HD 0x00000100 | |
| 17 | #define GRETH_MII_EXTPRT_1000FD 0x00000800 | |
| 18 | #define GRETH_MII_EXTPRT_1000HD 0x00000400 | |
| 19 | ||
| 20 | #define GRETH_MII_100T4 0x00000200 | |
| 21 | #define GRETH_MII_100TXFD 0x00000100 | |
| 22 | #define GRETH_MII_100TXHD 0x00000080 | |
| 23 | #define GRETH_MII_10FD 0x00000040 | |
| 24 | #define GRETH_MII_10HD 0x00000020 | |
| 25 | ||
| 26 | #define GRETH_BD_EN 0x800 | |
| 27 | #define GRETH_BD_WR 0x1000 | |
| 28 | #define GRETH_BD_IE 0x2000 | |
| 29 | #define GRETH_BD_LEN 0x7FF | |
| 30 | ||
| 31 | #define GRETH_TXEN 0x1 | |
| 32 | #define GRETH_INT_TX 0x8 | |
| 33 | #define GRETH_TXI 0x4 | |
| 34 | #define GRETH_TXBD_STATUS 0x0001C000 | |
| 35 | #define GRETH_TXBD_MORE 0x20000 | |
| 36 | #define GRETH_TXBD_IPCS 0x40000 | |
| 37 | #define GRETH_TXBD_TCPCS 0x80000 | |
| 38 | #define GRETH_TXBD_UDPCS 0x100000 | |
| 39 | #define GRETH_TXBD_ERR_LC 0x10000 | |
| 40 | #define GRETH_TXBD_ERR_UE 0x4000 | |
| 41 | #define GRETH_TXBD_ERR_AL 0x8000 | |
| 42 | #define GRETH_TXBD_NUM 128 | |
| 43 | #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1) | |
| 44 | #define GRETH_TX_BUF_SIZE 2048 | |
| 45 | ||
| 46 | #define GRETH_INT_RX 0x4 | |
| 47 | #define GRETH_RXEN 0x2 | |
| 48 | #define GRETH_RXI 0x8 | |
| 49 | #define GRETH_RXBD_STATUS 0xFFFFC000 | |
| 50 | #define GRETH_RXBD_ERR_AE 0x4000 | |
| 51 | #define GRETH_RXBD_ERR_FT 0x8000 | |
| 52 | #define GRETH_RXBD_ERR_CRC 0x10000 | |
| 53 | #define GRETH_RXBD_ERR_OE 0x20000 | |
| 54 | #define GRETH_RXBD_ERR_LE 0x40000 | |
| 55 | #define GRETH_RXBD_IP_DEC 0x80000 | |
| 56 | #define GRETH_RXBD_IP_CSERR 0x100000 | |
| 57 | #define GRETH_RXBD_UDP_DEC 0x200000 | |
| 58 | #define GRETH_RXBD_UDP_CSERR 0x400000 | |
| 59 | #define GRETH_RXBD_TCP_DEC 0x800000 | |
| 60 | #define GRETH_RXBD_TCP_CSERR 0x1000000 | |
| 61 | ||
| 62 | #define GRETH_RXBD_NUM 128 | |
| 63 | #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1) | |
| 64 | #define GRETH_RX_BUF_SIZE 2048 | |
| 65 | ||
| 66 | /* Ethernet configuration registers */ | |
| 67 | typedef struct _greth_regs { | |
| 68 | volatile unsigned int control; | |
| 69 | volatile unsigned int status; | |
| 70 | volatile unsigned int esa_msb; | |
| 71 | volatile unsigned int esa_lsb; | |
| 72 | volatile unsigned int mdio; | |
| 73 | volatile unsigned int tx_desc_p; | |
| 74 | volatile unsigned int rx_desc_p; | |
| 75 | } greth_regs; | |
| 76 | ||
| 77 | /* Ethernet buffer descriptor */ | |
| 78 | typedef struct _greth_bd { | |
| 79 | volatile unsigned int stat; | |
| 80 | unsigned int addr; /* Buffer address not changed by HW */ | |
| 81 | } greth_bd; |