--- /dev/null
+/*
+ * 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
+ */
Code Review / kvmfornfv.git / blobdiff