| /* Gaisler.com GRETH 10/100/1000 Ethernet MAC driver |
| * |
| * (C) Copyright 2007 |
| * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #define GRETH_FD 0x10 |
| #define GRETH_RESET 0x40 |
| #define GRETH_MII_BUSY 0x8 |
| #define GRETH_MII_NVALID 0x10 |
| |
| /* MII registers */ |
| #define GRETH_MII_EXTADV_1000FD 0x00000200 |
| #define GRETH_MII_EXTADV_1000HD 0x00000100 |
| #define GRETH_MII_EXTPRT_1000FD 0x00000800 |
| #define GRETH_MII_EXTPRT_1000HD 0x00000400 |
| |
| #define GRETH_MII_100T4 0x00000200 |
| #define GRETH_MII_100TXFD 0x00000100 |
| #define GRETH_MII_100TXHD 0x00000080 |
| #define GRETH_MII_10FD 0x00000040 |
| #define GRETH_MII_10HD 0x00000020 |
| |
| #define GRETH_BD_EN 0x800 |
| #define GRETH_BD_WR 0x1000 |
| #define GRETH_BD_IE 0x2000 |
| #define GRETH_BD_LEN 0x7FF |
| |
| #define GRETH_TXEN 0x1 |
| #define GRETH_INT_TX 0x8 |
| #define GRETH_TXI 0x4 |
| #define GRETH_TXBD_STATUS 0x0001C000 |
| #define GRETH_TXBD_MORE 0x20000 |
| #define GRETH_TXBD_IPCS 0x40000 |
| #define GRETH_TXBD_TCPCS 0x80000 |
| #define GRETH_TXBD_UDPCS 0x100000 |
| #define GRETH_TXBD_ERR_LC 0x10000 |
| #define GRETH_TXBD_ERR_UE 0x4000 |
| #define GRETH_TXBD_ERR_AL 0x8000 |
| #define GRETH_TXBD_NUM 128 |
| #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1) |
| #define GRETH_TX_BUF_SIZE 2048 |
| |
| #define GRETH_INT_RX 0x4 |
| #define GRETH_RXEN 0x2 |
| #define GRETH_RXI 0x8 |
| #define GRETH_RXBD_STATUS 0xFFFFC000 |
| #define GRETH_RXBD_ERR_AE 0x4000 |
| #define GRETH_RXBD_ERR_FT 0x8000 |
| #define GRETH_RXBD_ERR_CRC 0x10000 |
| #define GRETH_RXBD_ERR_OE 0x20000 |
| #define GRETH_RXBD_ERR_LE 0x40000 |
| #define GRETH_RXBD_IP_DEC 0x80000 |
| #define GRETH_RXBD_IP_CSERR 0x100000 |
| #define GRETH_RXBD_UDP_DEC 0x200000 |
| #define GRETH_RXBD_UDP_CSERR 0x400000 |
| #define GRETH_RXBD_TCP_DEC 0x800000 |
| #define GRETH_RXBD_TCP_CSERR 0x1000000 |
| |
| #define GRETH_RXBD_NUM 128 |
| #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1) |
| #define GRETH_RX_BUF_SIZE 2048 |
| |
| /* Ethernet configuration registers */ |
| typedef struct _greth_regs { |
| volatile unsigned int control; |
| volatile unsigned int status; |
| volatile unsigned int esa_msb; |
| volatile unsigned int esa_lsb; |
| volatile unsigned int mdio; |
| volatile unsigned int tx_desc_p; |
| volatile unsigned int rx_desc_p; |
| } greth_regs; |
| |
| /* Ethernet buffer descriptor */ |
| typedef struct _greth_bd { |
| volatile unsigned int stat; |
| unsigned int addr; /* Buffer address not changed by HW */ |
| } greth_bd; |