/* $OpenBSD: fxpreg.h,v 1.6 2004/08/04 19:42:30 mickey Exp $ */ /* * Copyright (c) 1995, David Greenman * 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 unmodified, 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS 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. * * $FreeBSD: if_fxpreg.h,v 1.13 1998/06/08 09:47:46 bde Exp $ */ #define FXP_VENDORID_INTEL 0x8086 #define FXP_DEVICEID_i82557 0x1229 #define FXP_PCI_MMBA 0x10 #define FXP_PCI_IOBA 0x14 /* * Control/status registers. */ #define FXP_CSR_SCB_RUSCUS 0 /* scb_rus/scb_cus (1 byte) */ #define FXP_CSR_SCB_STATACK 1 /* scb_statack (1 byte) */ #define FXP_CSR_SCB_COMMAND 2 /* scb_command (1 byte) */ #define FXP_CSR_SCB_INTRCNTL 3 /* scb_intrcntl (1 byte) */ #define FXP_CSR_SCB_GENERAL 4 /* scb_general (4 bytes) */ #define FXP_CSR_PORT 8 /* port (4 bytes) */ #define FXP_CSR_FLASHCONTROL 12 /* flash control (2 bytes) */ #define FXP_CSR_EEPROMCONTROL 14 /* eeprom control (2 bytes) */ #define FXP_CSR_MDICONTROL 16 /* mdi control (4 bytes) */ /* * FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS: * * volatile u_int8_t :2, * scb_rus:4, * scb_cus:2; */ #define FXP_PORT_SOFTWARE_RESET 0 #define FXP_PORT_SELFTEST 1 #define FXP_PORT_SELECTIVE_RESET 2 #define FXP_PORT_DUMP 3 #define FXP_SCB_RUS_IDLE 0 #define FXP_SCB_RUS_SUSPENDED 1 #define FXP_SCB_RUS_NORESOURCES 2 #define FXP_SCB_RUS_READY 4 #define FXP_SCB_RUS_SUSP_NORBDS 9 #define FXP_SCB_RUS_NORES_NORBDS 10 #define FXP_SCB_RUS_READY_NORBDS 12 #define FXP_SCB_CUS_IDLE 0 #define FXP_SCB_CUS_SUSPENDED 1 #define FXP_SCB_CUS_ACTIVE 2 #define FXP_SCB_STATACK_SWI 0x04 #define FXP_SCB_STATACK_MDI 0x08 #define FXP_SCB_STATACK_RNR 0x10 #define FXP_SCB_STATACK_CNA 0x20 #define FXP_SCB_STATACK_FR 0x40 #define FXP_SCB_STATACK_CXTNO 0x80 #define FXP_SCB_COMMAND_CU_NOP 0x00 #define FXP_SCB_COMMAND_CU_START 0x10 #define FXP_SCB_COMMAND_CU_RESUME 0x20 #define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40 #define FXP_SCB_COMMAND_CU_DUMP 0x50 #define FXP_SCB_COMMAND_CU_BASE 0x60 #define FXP_SCB_COMMAND_CU_DUMPRESET 0x70 #define FXP_SCB_COMMAND_RU_NOP 0 #define FXP_SCB_COMMAND_RU_START 1 #define FXP_SCB_COMMAND_RU_RESUME 2 #define FXP_SCB_COMMAND_RU_ABORT 4 #define FXP_SCB_COMMAND_RU_LOADHDS 5 #define FXP_SCB_COMMAND_RU_BASE 6 #define FXP_SCB_COMMAND_RU_RBDRESUME 7 /* * Command block definitions */ struct fxp_cb_nop { void *fill[2]; volatile u_int16_t cb_status; volatile u_int16_t cb_command; volatile u_int32_t link_addr; }; struct fxp_cb_ias { volatile u_int16_t cb_status; volatile u_int16_t cb_command; volatile u_int32_t link_addr; volatile u_int8_t macaddr[6]; }; /* I hate bit-fields :-( */ /* SO WHY USE IT, EH? */ /* * Bitfields cleaned out since it is not endian compatible. OK * you can define a big endian structure but can never be 100% safe... * * ANY PROGRAMER TRYING THE STUNT WITH BITFIELDS IN A DEVICE DRIVER * SHOULD BE PUT UP AGAINST THE WALL, BLINDFOLDED AND SHOT! */ struct fxp_cb_config { volatile u_int16_t cb_status; volatile u_int16_t cb_command; volatile u_int32_t link_addr; volatile u_int8_t byte_count; volatile u_int8_t fifo_limit; volatile u_int8_t adaptive_ifs; volatile u_int8_t void1; volatile u_int8_t rx_dma_bytecount; volatile u_int8_t tx_dma_bytecount; volatile u_int8_t ctrl1; volatile u_int8_t ctrl2; volatile u_int8_t mediatype; volatile u_int8_t void2; volatile u_int8_t ctrl3; volatile u_int8_t linear_priority; volatile u_int8_t interfrm_spacing; volatile u_int8_t void3; volatile u_int8_t void4; volatile u_int8_t promiscuous; volatile u_int8_t void5; volatile u_int8_t void6; volatile u_int8_t stripping; volatile u_int8_t fdx_pin; volatile u_int8_t multi_ia; volatile u_int8_t mc_all; }; #define MAXMCADDR 80 struct fxp_cb_mcs { volatile u_int16_t cb_status; volatile u_int16_t cb_command; volatile u_int32_t link_addr; volatile u_int16_t mc_cnt; volatile u_int8_t mc_addr[MAXMCADDR][6]; }; /* * Number of DMA segments in a TxCB. Note that this is carefully * chosen to make the total struct size an even power of two. It's * critical that no TxCB be split across a page boundary since * no attempt is made to allocate physically contiguous memory. */ #define SZ_TXCB 16 /* TX control block head size = 4 32 bit words */ #define SZ_TBD 8 /* Fragment ptr/size block size */ #define FXP_NTXSEG ((256 - SZ_TXCB) / SZ_TBD) struct fxp_tbd { volatile u_int32_t tb_addr; volatile u_int32_t tb_size; }; struct fxp_cb_tx { volatile u_int16_t cb_status; volatile u_int16_t cb_command; volatile u_int32_t link_addr; volatile u_int32_t tbd_array_addr; volatile u_int16_t byte_count; volatile u_int8_t tx_threshold; volatile u_int8_t tbd_number; /* * The following isn't actually part of the TxCB. */ volatile struct fxp_tbd tbd[FXP_NTXSEG]; }; /* * Control Block (CB) definitions */ /* status */ #define FXP_CB_STATUS_OK 0x2000 #define FXP_CB_STATUS_C 0x8000 /* commands */ #define FXP_CB_COMMAND_NOP 0x0 #define FXP_CB_COMMAND_IAS 0x1 #define FXP_CB_COMMAND_CONFIG 0x2 #define FXP_CB_COMMAND_MCAS 0x3 #define FXP_CB_COMMAND_XMIT 0x4 #define FXP_CB_COMMAND_UCODE 0x5 #define FXP_CB_COMMAND_DUMP 0x6 #define FXP_CB_COMMAND_DIAG 0x7 /* command flags */ #define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */ #define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */ #define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */ #define FXP_CB_COMMAND_EL 0x8000 /* end of list */ /* * RFA definitions */ struct fxp_rfa { volatile u_int16_t rfa_status; volatile u_int16_t rfa_control; volatile u_int32_t link_addr; volatile u_int32_t rbd_addr; volatile u_int16_t actual_size; volatile u_int16_t size; }; #define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */ #define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */ #define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */ #define FXP_RFA_STATUS_TL 0x0020 /* type/length */ #define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */ #define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */ #define FXP_RFA_STATUS_RNR 0x0200 /* RU not ready */ #define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */ #define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */ #define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */ #define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */ #define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */ #define FXP_RFA_CONTROL_H 0x10 /* header RFD */ #define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */ #define FXP_RFA_CONTROL_EL 0x8000 /* end of list */ /* * Statistics dump area definitions */ struct fxp_stats { volatile u_int32_t tx_good; volatile u_int32_t tx_maxcols; volatile u_int32_t tx_latecols; volatile u_int32_t tx_underruns; volatile u_int32_t tx_lostcrs; volatile u_int32_t tx_deffered; volatile u_int32_t tx_single_collisions; volatile u_int32_t tx_multiple_collisions; volatile u_int32_t tx_total_collisions; volatile u_int32_t rx_good; volatile u_int32_t rx_crc_errors; volatile u_int32_t rx_alignment_errors; volatile u_int32_t rx_rnr_errors; volatile u_int32_t rx_overrun_errors; volatile u_int32_t rx_cdt_errors; volatile u_int32_t rx_shortframes; volatile u_int32_t completion_status; }; #define FXP_STATS_DUMP_COMPLETE 0xa005 #define FXP_STATS_DR_COMPLETE 0xa007 /* * Serial EEPROM control register bits */ /* shift clock */ #define FXP_EEPROM_EESK 0x01 /* chip select */ #define FXP_EEPROM_EECS 0x02 /* data in */ #define FXP_EEPROM_EEDI 0x04 /* data out */ #define FXP_EEPROM_EEDO 0x08 /* * Serial EEPROM opcodes, including start bit */ #define FXP_EEPROM_OPC_ERASE 0x4 #define FXP_EEPROM_OPC_WRITE 0x5 #define FXP_EEPROM_OPC_READ 0x6 /* * Management Data Interface opcodes */ #define FXP_MDI_WRITE 0x1 #define FXP_MDI_READ 0x2 /* * PHY device types */ #define FXP_PHY_NONE 0 #define FXP_PHY_82553A 1 #define FXP_PHY_82553C 2 #define FXP_PHY_82503 3 #define FXP_PHY_DP83840 4 #define FXP_PHY_80C240 5 #define FXP_PHY_80C24 6 #define FXP_PHY_82555 7 #define FXP_PHY_DP83840A 10 #define FXP_PHY_82555B 11 /* * PHY BMCR Basic Mode Control Register */ #define FXP_PHY_BMCR 0x0 #define FXP_PHY_BMCR_FULLDUPLEX 0x0100 #define FXP_PHY_BMCR_AUTOEN 0x1000 #define FXP_PHY_BMCR_SPEED_100M 0x2000 /* * DP84830 PHY, PCS Configuration Register */ #define FXP_DP83840_PCR 0x17 #define FXP_DP83840_PCR_LED4_MODE 0x0002 /* 1 = LED4 always indicates full duplex */ #define FXP_DP83840_PCR_F_CONNECT 0x0020 /* 1 = force link disconnect function bypass */ #define FXP_DP83840_PCR_BIT8 0x0100 #define FXP_DP83840_PCR_BIT10 0x0400 #define MAXUCODESIZE 192 struct fxp_cb_ucode { volatile u_int16_t cb_status; volatile u_int16_t cb_command; volatile u_int32_t link_addr; volatile u_int32_t ucode[MAXUCODESIZE]; }; /* * Chip revision values. */ #define FXP_REV_82557 1 #define FXP_REV_82558_A4 4 #define FXP_REV_82558_B0 5 #define FXP_REV_82559_A0 8 #define FXP_REV_82559S_A 9 #define FXP_REV_82550 12 #define FXP_REV_82550_C 13