0bafc6e378
Ethernet MAC. Sponsored by: DARPA, AFRL
263 lines
9.6 KiB
C
263 lines
9.6 KiB
C
/*-
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* Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
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* All rights reserved.
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
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* ("CTSRD"), as part of the DARPA CRASH research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Register names were taken almost as is from the documentation.
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*/
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#define MAC_CONFIGURATION 0x0
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#define CONF_JD (1 << 22) /* jabber timer disable */
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#define CONF_BE (1 << 21) /* Frame Burst Enable */
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#define CONF_PS (1 << 15) /* GMII/MII */
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#define CONF_FES (1 << 14) /* MII speed select */
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#define CONF_DM (1 << 11) /* Full Duplex Enable */
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#define CONF_ACS (1 << 7)
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#define CONF_TE (1 << 3)
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#define CONF_RE (1 << 2)
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#define MAC_FRAME_FILTER 0x4
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#define FRAME_FILTER_RA (1 << 31) /* Receive All */
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#define FRAME_FILTER_HPF (1 << 10) /* Hash or Perfect Filter */
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#define FRAME_FILTER_PM (1 << 4) /* Pass multicast */
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#define FRAME_FILTER_HMC (1 << 2)
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#define FRAME_FILTER_HUC (1 << 1)
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#define FRAME_FILTER_PR (1 << 0) /* All Incoming Frames */
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#define GMII_ADDRESS 0x10
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#define GMII_ADDRESS_PA_MASK 0x1f /* Phy device */
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#define GMII_ADDRESS_PA_SHIFT 11
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#define GMII_ADDRESS_GR_MASK 0x1f /* Phy register */
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#define GMII_ADDRESS_GR_SHIFT 6
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#define GMII_ADDRESS_CR_MASK 0xf
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#define GMII_ADDRESS_CR_SHIFT 2 /* Clock */
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#define GMII_ADDRESS_GW (1 << 1) /* Write operation */
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#define GMII_ADDRESS_GB (1 << 0) /* Busy */
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#define GMII_DATA 0x14
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#define FLOW_CONTROL 0x18
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#define GMAC_VLAN_TAG 0x1C
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#define VERSION 0x20
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#define DEBUG 0x24
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#define LPI_CONTROL_STATUS 0x30
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#define LPI_TIMERS_CONTROL 0x34
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#define INTERRUPT_STATUS 0x38
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#define INTERRUPT_MASK 0x3C
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#define MAC_ADDRESS_HIGH(n) ((n > 15 ? 0x800 : 0x40) + 0x8 * n)
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#define MAC_ADDRESS_LOW(n) ((n > 15 ? 0x804 : 0x44) + 0x8 * n)
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#define SGMII_RGMII_SMII_CTRL_STATUS 0xD8
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#define MMC_CONTROL 0x100
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#define MMC_CONTROL_CNTRST (1 << 0)
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#define MMC_RECEIVE_INTERRUPT 0x104
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#define MMC_TRANSMIT_INTERRUPT 0x108
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#define MMC_RECEIVE_INTERRUPT_MASK 0x10C
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#define MMC_TRANSMIT_INTERRUPT_MASK 0x110
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#define TXOCTETCOUNT_GB 0x114
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#define TXFRAMECOUNT_GB 0x118
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#define TXBROADCASTFRAMES_G 0x11C
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#define TXMULTICASTFRAMES_G 0x120
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#define TX64OCTETS_GB 0x124
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#define TX65TO127OCTETS_GB 0x128
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#define TX128TO255OCTETS_GB 0x12C
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#define TX256TO511OCTETS_GB 0x130
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#define TX512TO1023OCTETS_GB 0x134
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#define TX1024TOMAXOCTETS_GB 0x138
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#define TXUNICASTFRAMES_GB 0x13C
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#define TXMULTICASTFRAMES_GB 0x140
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#define TXBROADCASTFRAMES_GB 0x144
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#define TXUNDERFLOWERROR 0x148
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#define TXSINGLECOL_G 0x14C
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#define TXMULTICOL_G 0x150
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#define TXDEFERRED 0x154
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#define TXLATECOL 0x158
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#define TXEXESSCOL 0x15C
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#define TXCARRIERERR 0x160
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#define TXOCTETCNT 0x164
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#define TXFRAMECOUNT_G 0x168
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#define TXEXCESSDEF 0x16C
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#define TXPAUSEFRAMES 0x170
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#define TXVLANFRAMES_G 0x174
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#define TXOVERSIZE_G 0x178
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#define RXFRAMECOUNT_GB 0x180
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#define RXOCTETCOUNT_GB 0x184
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#define RXOCTETCOUNT_G 0x188
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#define RXBROADCASTFRAMES_G 0x18C
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#define RXMULTICASTFRAMES_G 0x190
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#define RXCRCERROR 0x194
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#define RXALIGNMENTERROR 0x198
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#define RXRUNTERROR 0x19C
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#define RXJABBERERROR 0x1A0
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#define RXUNDERSIZE_G 0x1A4
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#define RXOVERSIZE_G 0x1A8
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#define RX64OCTETS_GB 0x1AC
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#define RX65TO127OCTETS_GB 0x1B0
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#define RX128TO255OCTETS_GB 0x1B4
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#define RX256TO511OCTETS_GB 0x1B8
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#define RX512TO1023OCTETS_GB 0x1BC
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#define RX1024TOMAXOCTETS_GB 0x1C0
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#define RXUNICASTFRAMES_G 0x1C4
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#define RXLENGTHERROR 0x1C8
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#define RXOUTOFRANGETYPE 0x1CC
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#define RXPAUSEFRAMES 0x1D0
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#define RXFIFOOVERFLOW 0x1D4
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#define RXVLANFRAMES_GB 0x1D8
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#define RXWATCHDOGERROR 0x1DC
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#define RXRCVERROR 0x1E0
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#define RXCTRLFRAMES_G 0x1E4
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#define MMC_IPC_RECEIVE_INT_MASK 0x200
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#define MMC_IPC_RECEIVE_INT 0x208
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#define RXIPV4_GD_FRMS 0x210
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#define RXIPV4_HDRERR_FRMS 0x214
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#define RXIPV4_NOPAY_FRMS 0x218
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#define RXIPV4_FRAG_FRMS 0x21C
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#define RXIPV4_UDSBL_FRMS 0x220
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#define RXIPV6_GD_FRMS 0x224
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#define RXIPV6_HDRERR_FRMS 0x228
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#define RXIPV6_NOPAY_FRMS 0x22C
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#define RXUDP_GD_FRMS 0x230
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#define RXUDP_ERR_FRMS 0x234
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#define RXTCP_GD_FRMS 0x238
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#define RXTCP_ERR_FRMS 0x23C
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#define RXICMP_GD_FRMS 0x240
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#define RXICMP_ERR_FRMS 0x244
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#define RXIPV4_GD_OCTETS 0x250
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#define RXIPV4_HDRERR_OCTETS 0x254
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#define RXIPV4_NOPAY_OCTETS 0x258
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#define RXIPV4_FRAG_OCTETS 0x25C
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#define RXIPV4_UDSBL_OCTETS 0x260
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#define RXIPV6_GD_OCTETS 0x264
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#define RXIPV6_HDRERR_OCTETS 0x268
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#define RXIPV6_NOPAY_OCTETS 0x26C
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#define RXUDP_GD_OCTETS 0x270
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#define RXUDP_ERR_OCTETS 0x274
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#define RXTCP_GD_OCTETS 0x278
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#define RXTCPERROCTETS 0x27C
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#define RXICMP_GD_OCTETS 0x280
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#define RXICMP_ERR_OCTETS 0x284
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#define L3_L4_CONTROL0 0x400
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#define LAYER4_ADDRESS0 0x404
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#define LAYER3_ADDR0_REG0 0x410
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#define LAYER3_ADDR1_REG0 0x414
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#define LAYER3_ADDR2_REG0 0x418
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#define LAYER3_ADDR3_REG0 0x41C
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#define L3_L4_CONTROL1 0x430
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#define LAYER4_ADDRESS1 0x434
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#define LAYER3_ADDR0_REG1 0x440
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#define LAYER3_ADDR1_REG1 0x444
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#define LAYER3_ADDR2_REG1 0x448
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#define LAYER3_ADDR3_REG1 0x44C
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#define L3_L4_CONTROL2 0x460
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#define LAYER4_ADDRESS2 0x464
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#define LAYER3_ADDR0_REG2 0x470
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#define LAYER3_ADDR1_REG2 0x474
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#define LAYER3_ADDR2_REG2 0x478
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#define LAYER3_ADDR3_REG2 0x47C
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#define L3_L4_CONTROL3 0x490
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#define LAYER4_ADDRESS3 0x494
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#define LAYER3_ADDR0_REG3 0x4A0
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#define LAYER3_ADDR1_REG3 0x4A4
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#define LAYER3_ADDR2_REG3 0x4A8
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#define LAYER3_ADDR3_REG3 0x4AC
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#define HASH_TABLE_REG(n) 0x500 + (0x4 * n)
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#define VLAN_INCL_REG 0x584
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#define VLAN_HASH_TABLE_REG 0x588
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#define TIMESTAMP_CONTROL 0x700
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#define SUB_SECOND_INCREMENT 0x704
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#define SYSTEM_TIME_SECONDS 0x708
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#define SYSTEM_TIME_NANOSECONDS 0x70C
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#define SYSTEM_TIME_SECONDS_UPDATE 0x710
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#define SYSTEM_TIME_NANOSECONDS_UPDATE 0x714
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#define TIMESTAMP_ADDEND 0x718
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#define TARGET_TIME_SECONDS 0x71C
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#define TARGET_TIME_NANOSECONDS 0x720
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#define SYSTEM_TIME_HIGHER_WORD_SECONDS 0x724
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#define TIMESTAMP_STATUS 0x728
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#define PPS_CONTROL 0x72C
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#define AUXILIARY_TIMESTAMP_NANOSECONDS 0x730
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#define AUXILIARY_TIMESTAMP_SECONDS 0x734
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#define PPS0_INTERVAL 0x760
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#define PPS0_WIDTH 0x764
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/* DMA */
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#define BUS_MODE 0x1000
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#define BUS_MODE_EIGHTXPBL (1 << 24) /* Multiplies PBL by 8 */
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#define BUS_MODE_PBL_SHIFT 8 /* Single block transfer size */
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#define BUS_MODE_PBL_BEATS_8 8
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#define BUS_MODE_SWR (1 << 0) /* Reset */
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#define TRANSMIT_POLL_DEMAND 0x1004
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#define RECEIVE_POLL_DEMAND 0x1008
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#define RX_DESCR_LIST_ADDR 0x100C
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#define TX_DESCR_LIST_ADDR 0x1010
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#define DMA_STATUS 0x1014
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#define DMA_STATUS_NIS (1 << 16)
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#define DMA_STATUS_AIS (1 << 15)
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#define DMA_STATUS_FBI (1 << 13)
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#define DMA_STATUS_RI (1 << 6)
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#define DMA_STATUS_TI (1 << 0)
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#define DMA_STATUS_INTR_MASK 0x1ffff
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#define OPERATION_MODE 0x1018
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#define MODE_RSF (1 << 25) /* RX Full Frame */
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#define MODE_TSF (1 << 21) /* TX Full Frame */
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#define MODE_FTF (1 << 20) /* Flush TX FIFO */
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#define MODE_ST (1 << 13) /* Start DMA TX */
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#define MODE_FUF (1 << 6) /* TX frames < 64bytes */
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#define MODE_RTC_LEV32 0x1
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#define MODE_RTC_SHIFT 3
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#define MODE_OSF (1 << 2) /* Process Second frame */
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#define MODE_SR (1 << 1) /* Start DMA RX */
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#define INTERRUPT_ENABLE 0x101C
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#define INT_EN_NIE (1 << 16) /* Normal/Summary */
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#define INT_EN_AIE (1 << 15) /* Abnormal/Summary */
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#define INT_EN_ERE (1 << 14) /* Early receive */
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#define INT_EN_FBE (1 << 13) /* Fatal bus error */
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#define INT_EN_ETE (1 << 10) /* Early transmit */
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#define INT_EN_RWE (1 << 9) /* Receive watchdog */
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#define INT_EN_RSE (1 << 8) /* Receive stopped */
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#define INT_EN_RUE (1 << 7) /* Recv buf unavailable */
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#define INT_EN_RIE (1 << 6) /* Receive interrupt */
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#define INT_EN_UNE (1 << 5) /* Tx underflow */
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#define INT_EN_OVE (1 << 4) /* Receive overflow */
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#define INT_EN_TJE (1 << 3) /* Transmit jabber */
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#define INT_EN_TUE (1 << 2) /* Tx. buf unavailable */
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#define INT_EN_TSE (1 << 1) /* Transmit stopped */
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#define INT_EN_TIE (1 << 0) /* Transmit interrupt */
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#define INT_EN_DEFAULT (INT_EN_TIE|INT_EN_RIE| \
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INT_EN_NIE|INT_EN_AIE| \
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INT_EN_FBE|INT_EN_UNE)
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#define MISSED_FRAMEBUF_OVERFLOW_CNTR 0x1020
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#define RECEIVE_INT_WATCHDOG_TMR 0x1024
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#define AXI_BUS_MODE 0x1028
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#define AHB_OR_AXI_STATUS 0x102C
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#define CURRENT_HOST_TRANSMIT_DESCR 0x1048
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#define CURRENT_HOST_RECEIVE_DESCR 0x104C
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#define CURRENT_HOST_TRANSMIT_BUF_ADDR 0x1050
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#define CURRENT_HOST_RECEIVE_BUF_ADDR 0x1054
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#define HW_FEATURE 0x1058
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