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Diffstat (limited to 'sys/i386/isa/ic/i82586.h')
| -rw-r--r-- | sys/i386/isa/ic/i82586.h | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/sys/i386/isa/ic/i82586.h b/sys/i386/isa/ic/i82586.h deleted file mode 100644 index 577313d..0000000 --- a/sys/i386/isa/ic/i82586.h +++ /dev/null @@ -1,325 +0,0 @@ -/*- - * Copyright (c) 1992, University of Vermont and State Agricultural College. - * Copyright (c) 1992, Garrett A. Wollman. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * Vermont and State Agricultural College and Garrett A. Wollman. - * 4. Neither the name of the University nor the name of the author - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR AUTHOR BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id$ - */ - -/* - * Intel 82586 Ethernet chip - * Register, bit, and structure definitions. - * - * Written by GAW with reference to the Clarkson Packet Driver code for this - * chip written by Russ Nelson and others. - */ - -struct ie_en_addr { - u_char data[6]; -}; - -/* - * This is the master configuration block. It tells the hardware where all - * the rest of the stuff is. - */ -struct ie_sys_conf_ptr { - u_short mbz; /* must be zero */ - u_char ie_bus_use; /* true if 8-bit only */ - u_char mbz2[5]; /* must be zero */ - caddr_t ie_iscp_ptr; /* 24-bit physaddr of ISCP */ -}; - -/* - * Note that this is wired in hardware; the SCP is always located here, no - * matter what. - */ -#define IE_SCP_ADDR 0xfffff4 - -/* - * The tells the hardware where all the rest of the stuff is, too. - * FIXME: some of these should be re-commented after we figure out their - * REAL function. - */ -struct ie_int_sys_conf_ptr { - u_char ie_busy; /* zeroed after init */ - u_char mbz; - u_short ie_scb_offset; /* 16-bit physaddr of next struct */ - caddr_t ie_base; /* 24-bit physaddr for all 16-bit vars */ -}; - -/* - * This FINALLY tells the hardware what to do and where to put it. - */ -struct ie_sys_ctl_block { - u_short ie_status; /* status word */ - u_short ie_command; /* command word */ - u_short ie_command_list; /* 16-pointer to command block list */ - u_short ie_recv_list; /* 16-pointer to receive frame list */ - u_short ie_err_crc; /* CRC errors */ - u_short ie_err_align; /* Alignment errors */ - u_short ie_err_resource; /* Resource errors */ - u_short ie_err_overrun; /* Overrun errors */ -}; - -/* Command values */ -#define IE_RU_COMMAND 0x0070 /* mask for RU command */ -#define IE_RU_NOP 0 /* for completeness */ -#define IE_RU_START 0x0010 /* start receive unit command */ -#define IE_RU_ENABLE 0x0020 /* enable receiver command */ -#define IE_RU_DISABLE 0x0030 /* disable receiver command */ -#define IE_RU_ABORT 0x0040 /* abort current receive operation */ - -#define IE_CU_COMMAND 0x0700 /* mask for CU command */ -#define IE_CU_NOP 0 /* included for completeness */ -#define IE_CU_START 0x0100 /* do-command command */ -#define IE_CU_RESUME 0x0200 /* resume a suspended cmd list */ -#define IE_CU_STOP 0x0300 /* SUSPEND was already taken */ -#define IE_CU_ABORT 0x0400 /* abort current command */ - -#define IE_ACK_COMMAND 0xf000 /* mask for ACK command */ -#define IE_ACK_CX 0x8000 /* ack IE_ST_DONE */ -#define IE_ACK_FR 0x4000 /* ack IE_ST_RECV */ -#define IE_ACK_CNA 0x2000 /* ack IE_ST_ALLDONE */ -#define IE_ACK_RNR 0x1000 /* ack IE_ST_RNR */ - -#define IE_ACTION_COMMAND(x) (((x) & IE_CU_COMMAND) == IE_CU_START) - /* is this command an action command? */ - -/* Status values */ -#define IE_ST_WHENCE 0xf000 /* mask for cause of interrupt */ -#define IE_ST_DONE 0x8000 /* command with I bit completed */ -#define IE_ST_RECV 0x4000 /* frame received */ -#define IE_ST_ALLDONE 0x2000 /* all commands completed */ -#define IE_ST_RNR 0x1000 /* receive not ready */ - -#define IE_CU_STATUS 0x700 /* mask for command unit status */ -#define IE_CU_ACTIVE 0x200 /* command unit is active */ -#define IE_CU_SUSPEND 0x100 /* command unit is suspended */ - -#define IE_RU_STATUS 0x70 /* mask for receiver unit status */ -#define IE_RU_SUSPEND 0x10 /* receiver is suspended */ -#define IE_RU_NOSPACE 0x20 /* receiver has no resources */ -#define IE_RU_READY 0x40 /* reveiver is ready */ - -/* - * This is filled in partially by the chip, partially by us. - */ -struct ie_recv_frame_desc { - u_short ie_fd_status; /* status for this frame */ - u_short ie_fd_last; /* end of frame list flag */ - u_short ie_fd_next; /* 16-pointer to next RFD */ - u_short ie_fd_buf_desc; /* 16-pointer to list of buffer desc's */ - struct ie_en_addr dest; /* destination ether */ - struct ie_en_addr src; /* source ether */ - u_short ie_length; /* 802 length/Ether type */ - u_short mbz; /* must be zero */ -}; - -#define IE_FD_LAST 0x8000 /* last rfd in list */ -#define IE_FD_SUSP 0x4000 /* suspend RU after receipt */ - -#define IE_FD_COMPLETE 0x8000 /* frame is complete */ -#define IE_FD_BUSY 0x4000 /* frame is busy */ -#define IE_FD_OK 0x2000 /* frame is bad */ -#define IE_FD_RNR 0x0200 /* receiver out of resources here */ - -/* - * linked list of buffers... - */ -struct ie_recv_buf_desc { - u_short ie_rbd_actual; /* status for this buffer */ - u_short ie_rbd_next; /* 16-pointer to next RBD */ - caddr_t ie_rbd_buffer; /* 24-pointer to buffer for this RBD */ - u_short ie_rbd_length; /* length of the buffer */ - u_short mbz; /* must be zero */ -}; - -#define IE_RBD_LAST 0x8000 /* last buffer */ -#define IE_RBD_USED 0x4000 /* this buffer has data */ -/* - * All commands share this in common. - */ -struct ie_cmd_common { - u_short ie_cmd_status; /* status of this command */ - u_short ie_cmd_cmd; /* command word */ - u_short ie_cmd_link; /* link to next command */ -}; - -#define IE_STAT_COMPL 0x8000 /* command is completed */ -#define IE_STAT_BUSY 0x4000 /* command is running now */ -#define IE_STAT_OK 0x2000 /* command completed successfully */ - -#define IE_CMD_NOP 0x0000 /* NOP */ -#define IE_CMD_IASETUP 0x0001 /* initial address setup */ -#define IE_CMD_CONFIG 0x0002 /* configure command */ -#define IE_CMD_MCAST 0x0003 /* multicast setup command */ -#define IE_CMD_XMIT 0x0004 /* transmit command */ -#define IE_CMD_TDR 0x0005 /* time-domain reflectometer command */ -#define IE_CMD_DUMP 0x0006 /* dump command */ -#define IE_CMD_DIAGNOSE 0x0007 /* diagnostics command */ - -#define IE_CMD_LAST 0x8000 /* this is the last command in the list */ -#define IE_CMD_SUSPEND 0x4000 /* suspend CU after this command */ -#define IE_CMD_INTR 0x2000 /* post an interrupt after completion */ - -/* - * This is the command to transmit a frame. - */ -struct ie_xmit_cmd { - struct ie_cmd_common com; /* common part */ -#define ie_xmit_status com.ie_cmd_status - - u_short ie_xmit_desc; /* 16-pointer to buffer descriptor */ - struct ie_en_addr ie_xmit_addr; /* destination address */ - - u_short ie_xmit_length; /* 802.3 length/Ether type field */ -}; - -#define IE_XS_MAXCOLL 0x000f /* number of collisions during transmit */ -#define IE_XS_EXCMAX 0x0020 /* exceeded maximum number of collisions */ -#define IE_XS_SQE 0x0040 /* SQE positive */ -#define IE_XS_DEFERRED 0x0080 /* transmission deferred */ -#define IE_XS_UNDERRUN 0x0100 /* DMA underrun */ -#define IE_XS_LOSTCTS 0x0200 /* Lost CTS */ -#define IE_XS_NOCARRIER 0x0400 /* No Carrier */ -#define IE_XS_LATECOLL 0x0800 /* Late collision */ - -/* - * This is a buffer descriptor for a frame to be transmitted. - */ - -struct ie_xmit_buf { - u_short ie_xmit_flags; /* see below */ - u_short ie_xmit_next; /* 16-pointer to next desc. */ - caddr_t ie_xmit_buf; /* 24-pointer to the actual buffer */ -}; - -#define IE_XMIT_LAST 0x8000 /* this TBD is the last one */ -/* The rest of the `flags' word is actually the length. */ - -/* - * Multicast setup command. - */ - -#define MAXMCAST 50 /* must fit in transmit buffer */ - -struct ie_mcast_cmd { - struct ie_cmd_common com; /* common part */ -#define ie_mcast_status com.ie_cmd_status - - u_short ie_mcast_bytes; /* size (in bytes) of multicast addresses */ - struct ie_en_addr ie_mcast_addrs[MAXMCAST + 1]; /* space for them */ -}; - -/* - * Time Domain Reflectometer command. - */ - -struct ie_tdr_cmd { - struct ie_cmd_common com; /* common part */ -#define ie_tdr_status com.ie_cmd_status - - u_short ie_tdr_time; /* error bits and time */ -}; - -#define IE_TDR_SUCCESS 0x8000 /* TDR succeeded without error */ -#define IE_TDR_XCVR 0x4000 /* detected a transceiver problem */ -#define IE_TDR_OPEN 0x2000 /* detected an open */ -#define IE_TDR_SHORT 0x1000 /* TDR detected a short */ -#define IE_TDR_TIME 0x07ff /* mask for reflection time */ - -/* - * Initial Address Setup command - */ -struct ie_iasetup_cmd { - struct ie_cmd_common com; -#define ie_iasetup_status com.ie_cmd_status - - struct ie_en_addr ie_address; -}; - -/* - * Configuration command - */ -struct ie_config_cmd { - struct ie_cmd_common com; /* common part */ -#define ie_config_status com.ie_cmd_status - - u_char ie_config_count; /* byte count (0x0c) */ - u_char ie_fifo; /* fifo (8) */ - u_char ie_save_bad; /* save bad frames (0x40) */ - u_char ie_addr_len; /* address length (0x2e) (AL-LOC == 1) */ - u_char ie_priority; /* priority and backoff (0x0) */ - u_char ie_ifs; /* inter-frame spacing (0x60) */ - u_char ie_slot_low; /* slot time, LSB (0x0) */ - u_char ie_slot_high; /* slot time, MSN, and retries (0xf2) */ - u_char ie_promisc; /* 1 if promiscuous, else 0 */ - u_char ie_crs_cdt; /* CSMA/CD parameters (0x0) */ - u_char ie_min_len; /* min frame length (0x40) */ - u_char ie_junk; /* stuff for 82596 (0xff) */ -}; - -/* - * Here are a few useful functions. We could have done these as macros, - * but since we have the inline facility, it makes sense to use that - * instead. - */ -inline void -ie_setup_config(volatile struct ie_config_cmd *cmd, - int promiscuous, int manchester) { - cmd->ie_config_count = 0x0c; - cmd->ie_fifo = 8; - cmd->ie_save_bad = 0x40; - cmd->ie_addr_len = 0x2e; - cmd->ie_priority = 0; - cmd->ie_ifs = 0x60; - cmd->ie_slot_low = 0; - cmd->ie_slot_high = 0xf2; - cmd->ie_promisc = !!promiscuous | manchester << 2; - cmd->ie_crs_cdt = 0; - cmd->ie_min_len = 64; - cmd->ie_junk = 0xff; -} - -inline caddr_t -Align(caddr_t ptr) { - unsigned long l = (unsigned long)ptr; - l = (l + 3) & ~3L; - return (caddr_t)l; -} - -inline void -ie_ack(volatile struct ie_sys_ctl_block *scb, - u_int mask, int unit, - void (*ca)(int)) { - scb->ie_command = scb->ie_status & mask; - (*ca)(unit); -} |
