| /* |
| * linux/drivers/acorn/net/ether1.h |
| * |
| * Copyright (C) 1996 Russell King |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * Network driver for Acorn Ether1 cards. |
| */ |
| |
| #ifndef _LINUX_ether1_H |
| #define _LINUX_ether1_H |
| |
| #ifdef __ETHER1_C |
| /* use 0 for production, 1 for verification, >2 for debug */ |
| #ifndef NET_DEBUG |
| #define NET_DEBUG 0 |
| #endif |
| |
| #define priv(dev) ((struct ether1_priv *)netdev_priv(dev)) |
| |
| /* Page register */ |
| #define REG_PAGE (priv(dev)->base + 0x0000) |
| |
| /* Control register */ |
| #define REG_CONTROL (priv(dev)->base + 0x0004) |
| #define CTRL_RST 0x01 |
| #define CTRL_LOOPBACK 0x02 |
| #define CTRL_CA 0x04 |
| #define CTRL_ACK 0x08 |
| |
| #define ETHER1_RAM (priv(dev)->base + 0x2000) |
| |
| /* HW address */ |
| #define IDPROM_ADDRESS (priv(dev)->base + 0x0024) |
| |
| struct ether1_priv { |
| void __iomem *base; |
| unsigned int tx_link; |
| unsigned int tx_head; |
| volatile unsigned int tx_tail; |
| volatile unsigned int rx_head; |
| volatile unsigned int rx_tail; |
| unsigned char bus_type; |
| unsigned char resetting; |
| unsigned char initialising : 1; |
| unsigned char restart : 1; |
| }; |
| |
| #define I82586_NULL (-1) |
| |
| typedef struct { /* tdr */ |
| unsigned short tdr_status; |
| unsigned short tdr_command; |
| unsigned short tdr_link; |
| unsigned short tdr_result; |
| #define TDR_TIME (0x7ff) |
| #define TDR_SHORT (1 << 12) |
| #define TDR_OPEN (1 << 13) |
| #define TDR_XCVRPROB (1 << 14) |
| #define TDR_LNKOK (1 << 15) |
| } tdr_t; |
| |
| typedef struct { /* transmit */ |
| unsigned short tx_status; |
| unsigned short tx_command; |
| unsigned short tx_link; |
| unsigned short tx_tbdoffset; |
| } tx_t; |
| |
| typedef struct { /* tbd */ |
| unsigned short tbd_opts; |
| #define TBD_CNT (0x3fff) |
| #define TBD_EOL (1 << 15) |
| unsigned short tbd_link; |
| unsigned short tbd_bufl; |
| unsigned short tbd_bufh; |
| } tbd_t; |
| |
| typedef struct { /* rfd */ |
| unsigned short rfd_status; |
| #define RFD_NOEOF (1 << 6) |
| #define RFD_FRAMESHORT (1 << 7) |
| #define RFD_DMAOVRN (1 << 8) |
| #define RFD_NORESOURCES (1 << 9) |
| #define RFD_ALIGNERROR (1 << 10) |
| #define RFD_CRCERROR (1 << 11) |
| #define RFD_OK (1 << 13) |
| #define RFD_FDCONSUMED (1 << 14) |
| #define RFD_COMPLETE (1 << 15) |
| unsigned short rfd_command; |
| #define RFD_CMDSUSPEND (1 << 14) |
| #define RFD_CMDEL (1 << 15) |
| unsigned short rfd_link; |
| unsigned short rfd_rbdoffset; |
| unsigned char rfd_dest[6]; |
| unsigned char rfd_src[6]; |
| unsigned short rfd_len; |
| } rfd_t; |
| |
| typedef struct { /* rbd */ |
| unsigned short rbd_status; |
| #define RBD_ACNT (0x3fff) |
| #define RBD_ACNTVALID (1 << 14) |
| #define RBD_EOF (1 << 15) |
| unsigned short rbd_link; |
| unsigned short rbd_bufl; |
| unsigned short rbd_bufh; |
| unsigned short rbd_len; |
| } rbd_t; |
| |
| typedef struct { /* nop */ |
| unsigned short nop_status; |
| unsigned short nop_command; |
| unsigned short nop_link; |
| } nop_t; |
| |
| typedef struct { /* set multicast */ |
| unsigned short mc_status; |
| unsigned short mc_command; |
| unsigned short mc_link; |
| unsigned short mc_cnt; |
| unsigned char mc_addrs[1][6]; |
| } mc_t; |
| |
| typedef struct { /* set address */ |
| unsigned short sa_status; |
| unsigned short sa_command; |
| unsigned short sa_link; |
| unsigned char sa_addr[6]; |
| } sa_t; |
| |
| typedef struct { /* config command */ |
| unsigned short cfg_status; |
| unsigned short cfg_command; |
| unsigned short cfg_link; |
| unsigned char cfg_bytecnt; /* size foll data: 4 - 12 */ |
| unsigned char cfg_fifolim; /* FIFO threshold */ |
| unsigned char cfg_byte8; |
| #define CFG8_SRDY (1 << 6) |
| #define CFG8_SAVEBADF (1 << 7) |
| unsigned char cfg_byte9; |
| #define CFG9_ADDRLEN(x) (x) |
| #define CFG9_ADDRLENBUF (1 << 3) |
| #define CFG9_PREAMB2 (0 << 4) |
| #define CFG9_PREAMB4 (1 << 4) |
| #define CFG9_PREAMB8 (2 << 4) |
| #define CFG9_PREAMB16 (3 << 4) |
| #define CFG9_ILOOPBACK (1 << 6) |
| #define CFG9_ELOOPBACK (1 << 7) |
| unsigned char cfg_byte10; |
| #define CFG10_LINPRI(x) (x) |
| #define CFG10_ACR(x) (x << 4) |
| #define CFG10_BOFMET (1 << 7) |
| unsigned char cfg_ifs; |
| unsigned char cfg_slotl; |
| unsigned char cfg_byte13; |
| #define CFG13_SLOTH(x) (x) |
| #define CFG13_RETRY(x) (x << 4) |
| unsigned char cfg_byte14; |
| #define CFG14_PROMISC (1 << 0) |
| #define CFG14_DISBRD (1 << 1) |
| #define CFG14_MANCH (1 << 2) |
| #define CFG14_TNCRS (1 << 3) |
| #define CFG14_NOCRC (1 << 4) |
| #define CFG14_CRC16 (1 << 5) |
| #define CFG14_BTSTF (1 << 6) |
| #define CFG14_FLGPAD (1 << 7) |
| unsigned char cfg_byte15; |
| #define CFG15_CSTF(x) (x) |
| #define CFG15_ICSS (1 << 3) |
| #define CFG15_CDTF(x) (x << 4) |
| #define CFG15_ICDS (1 << 7) |
| unsigned short cfg_minfrmlen; |
| } cfg_t; |
| |
| typedef struct { /* scb */ |
| unsigned short scb_status; /* status of 82586 */ |
| #define SCB_STRXMASK (7 << 4) /* Receive unit status */ |
| #define SCB_STRXIDLE (0 << 4) /* Idle */ |
| #define SCB_STRXSUSP (1 << 4) /* Suspended */ |
| #define SCB_STRXNRES (2 << 4) /* No resources */ |
| #define SCB_STRXRDY (4 << 4) /* Ready */ |
| #define SCB_STCUMASK (7 << 8) /* Command unit status */ |
| #define SCB_STCUIDLE (0 << 8) /* Idle */ |
| #define SCB_STCUSUSP (1 << 8) /* Suspended */ |
| #define SCB_STCUACTV (2 << 8) /* Active */ |
| #define SCB_STRNR (1 << 12) /* Receive unit not ready */ |
| #define SCB_STCNA (1 << 13) /* Command unit not ready */ |
| #define SCB_STFR (1 << 14) /* Frame received */ |
| #define SCB_STCX (1 << 15) /* Command completed */ |
| unsigned short scb_command; /* Next command */ |
| #define SCB_CMDRXSTART (1 << 4) /* Start (at rfa_offset) */ |
| #define SCB_CMDRXRESUME (2 << 4) /* Resume reception */ |
| #define SCB_CMDRXSUSPEND (3 << 4) /* Suspend reception */ |
| #define SCB_CMDRXABORT (4 << 4) /* Abort reception */ |
| #define SCB_CMDCUCSTART (1 << 8) /* Start (at cbl_offset) */ |
| #define SCB_CMDCUCRESUME (2 << 8) /* Resume execution */ |
| #define SCB_CMDCUCSUSPEND (3 << 8) /* Suspend execution */ |
| #define SCB_CMDCUCABORT (4 << 8) /* Abort execution */ |
| #define SCB_CMDACKRNR (1 << 12) /* Ack RU not ready */ |
| #define SCB_CMDACKCNA (1 << 13) /* Ack CU not ready */ |
| #define SCB_CMDACKFR (1 << 14) /* Ack Frame received */ |
| #define SCB_CMDACKCX (1 << 15) /* Ack Command complete */ |
| unsigned short scb_cbl_offset; /* Offset of first command unit */ |
| unsigned short scb_rfa_offset; /* Offset of first receive frame area */ |
| unsigned short scb_crc_errors; /* Properly aligned frame with CRC error*/ |
| unsigned short scb_aln_errors; /* Misaligned frames */ |
| unsigned short scb_rsc_errors; /* Frames lost due to no space */ |
| unsigned short scb_ovn_errors; /* Frames lost due to slow bus */ |
| } scb_t; |
| |
| typedef struct { /* iscp */ |
| unsigned short iscp_busy; /* set by CPU before CA */ |
| unsigned short iscp_offset; /* offset of SCB */ |
| unsigned short iscp_basel; /* base of SCB */ |
| unsigned short iscp_baseh; |
| } iscp_t; |
| |
| /* this address must be 0xfff6 */ |
| typedef struct { /* scp */ |
| unsigned short scp_sysbus; /* bus size */ |
| #define SCP_SY_16BBUS 0x00 |
| #define SCP_SY_8BBUS 0x01 |
| unsigned short scp_junk[2]; /* junk */ |
| unsigned short scp_iscpl; /* lower 16 bits of iscp */ |
| unsigned short scp_iscph; /* upper 16 bits of iscp */ |
| } scp_t; |
| |
| /* commands */ |
| #define CMD_NOP 0 |
| #define CMD_SETADDRESS 1 |
| #define CMD_CONFIG 2 |
| #define CMD_SETMULTICAST 3 |
| #define CMD_TX 4 |
| #define CMD_TDR 5 |
| #define CMD_DUMP 6 |
| #define CMD_DIAGNOSE 7 |
| |
| #define CMD_MASK 7 |
| |
| #define CMD_INTR (1 << 13) |
| #define CMD_SUSP (1 << 14) |
| #define CMD_EOL (1 << 15) |
| |
| #define STAT_COLLISIONS (15) |
| #define STAT_COLLEXCESSIVE (1 << 5) |
| #define STAT_COLLAFTERTX (1 << 6) |
| #define STAT_TXDEFERRED (1 << 7) |
| #define STAT_TXSLOWDMA (1 << 8) |
| #define STAT_TXLOSTCTS (1 << 9) |
| #define STAT_NOCARRIER (1 << 10) |
| #define STAT_FAIL (1 << 11) |
| #define STAT_ABORTED (1 << 12) |
| #define STAT_OK (1 << 13) |
| #define STAT_BUSY (1 << 14) |
| #define STAT_COMPLETE (1 << 15) |
| #endif |
| #endif |
| |
| /* |
| * Ether1 card definitions: |
| * |
| * FAST accesses: |
| * +0 Page register |
| * 16 pages |
| * +4 Control |
| * '1' = reset |
| * '2' = loopback |
| * '4' = CA |
| * '8' = int ack |
| * |
| * RAM at address + 0x2000 |
| * Pod. Prod id = 3 |
| * Words after ID block [base + 8 words] |
| * +0 pcb issue (0x0c and 0xf3 invalid) |
| * +1 - +6 eth hw address |
| */ |