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Current File : //sys/dev/gem/if_gemreg.h |
/*- * Copyright (C) 2001 Eduardo Horvath. * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. * * from: NetBSD: gemreg.h,v 1.9 2006/11/24 13:01:07 martin Exp * * $FreeBSD: release/9.1.0/sys/dev/gem/if_gemreg.h 223944 2011-07-12 08:20:15Z marius $ */ #ifndef _IF_GEMREG_H #define _IF_GEMREG_H /* register definitions for Apple GMAC, Sun ERI and Sun GEM */ /* * First bank: these registers live at the start of the PCI * mapping, and at the start of the second bank of the SBus * version. */ #define GEM_SEB_STATE 0x0000 /* SEB state reg, R/O */ #define GEM_CONFIG 0x0004 /* config reg */ #define GEM_STATUS 0x000c /* status reg */ /* Note: Reading the status reg clears bits 0-6. */ #define GEM_INTMASK 0x0010 #define GEM_INTACK 0x0014 /* Interrupt acknowledge, W/O */ #define GEM_STATUS_ALIAS 0x001c /* Bits in GEM_SEB register */ #define GEM_SEB_ARB 0x00000002 /* Arbitration status */ #define GEM_SEB_RXWON 0x00000004 /* Bits in GEM_CONFIG register */ #define GEM_CONFIG_BURST_64 0x00000000 /* maximum burst size 64KB */ #define GEM_CONFIG_BURST_INF 0x00000001 /* infinite for entire packet */ #define GEM_CONFIG_TXDMA_LIMIT 0x0000003e #define GEM_CONFIG_RXDMA_LIMIT 0x000007c0 /* GEM_CONFIG_RONPAULBIT and GEM_CONFIG_BUG2FIX are Apple only. */ #define GEM_CONFIG_RONPAULBIT 0x00000800 /* after infinite burst use */ /* memory read multiple for */ /* PCI commands */ #define GEM_CONFIG_BUG2FIX 0x00001000 /* fix RX hang after overflow */ #define GEM_CONFIG_TXDMA_LIMIT_SHIFT 1 #define GEM_CONFIG_RXDMA_LIMIT_SHIFT 6 /* Top part of GEM_STATUS has TX completion information */ #define GEM_STATUS_TX_COMPLETION_MASK 0xfff80000 /* TX completion reg. */ #define GEM_STATUS_TX_COMPLETION_SHFT 19 /* * Interrupt bits, for both the GEM_STATUS and GEM_INTMASK regs * Bits 0-6 auto-clear when read. */ #define GEM_INTR_TX_INTME 0x00000001 /* Frame w/INTME bit set sent */ #define GEM_INTR_TX_EMPTY 0x00000002 /* TX ring empty */ #define GEM_INTR_TX_DONE 0x00000004 /* TX complete */ #define GEM_INTR_RX_DONE 0x00000010 /* Got a packet */ #define GEM_INTR_RX_NOBUF 0x00000020 #define GEM_INTR_RX_TAG_ERR 0x00000040 #define GEM_INTR_PERR 0x00000080 /* Parity error */ #define GEM_INTR_PCS 0x00002000 /* Physical Code Sub-layer */ #define GEM_INTR_TX_MAC 0x00004000 #define GEM_INTR_RX_MAC 0x00008000 #define GEM_INTR_MAC_CONTROL 0x00010000 /* MAC control interrupt */ #define GEM_INTR_MIF 0x00020000 #define GEM_INTR_BERR 0x00040000 /* Bus error interrupt */ #define GEM_INTR_BITS "\177\020" \ "b\0INTME\0b\1TXEMPTY\0b\2TXDONE\0" \ "b\4RXDONE\0b\5RXNOBUF\0b\6RX_TAG_ERR\0" \ "b\xdPCS\0b\xeTXMAC\0b\xfRXMAC\0" \ "b\x10MAC_CONTROL\0b\x11MIF\0b\x12IBERR\0\0" /* * Second bank: these registers live at offset 0x1000 of the PCI * mapping, and at the start of the first bank of the SBus * version. */ #define GEM_PCI_BANK2_OFFSET 0x1000 #define GEM_PCI_BANK2_SIZE 0x14 /* This is the same as the GEM_STATUS reg but reading it does not clear bits. */ #define GEM_PCI_ERROR_STATUS 0x0000 /* PCI error status */ #define GEM_PCI_ERROR_MASK 0x0004 /* PCI error mask */ #define GEM_PCI_BIF_CONFIG 0x0008 /* PCI BIF configuration */ #define GEM_PCI_BIF_DIAG 0x000c /* PCI BIF diagnostic */ #define GEM_SBUS_BIF_RESET 0x0000 /* SBus BIF only software reset */ #define GEM_SBUS_CONFIG 0x0004 /* SBus IO configuration */ #define GEM_SBUS_STATUS 0x0008 /* SBus IO status */ #define GEM_SBUS_REVISION 0x000c /* SBus revision ID */ #define GEM_RESET 0x0010 /* software reset */ /* GEM_PCI_ERROR_STATUS and GEM_PCI_ERROR_MASK error bits */ #define GEM_PCI_ERR_STAT_BADACK 0x00000001 /* No ACK64# */ #define GEM_PCI_ERR_STAT_DTRTO 0x00000002 /* Delayed xaction timeout */ #define GEM_PCI_ERR_STAT_OTHERS 0x00000004 #define GEM_PCI_ERR_BITS "\177\020b\0ACKBAD\0b\1DTRTO\0b\2OTHER\0\0" /* GEM_PCI_BIF_CONFIG register bits */ #define GEM_PCI_BIF_CNF_SLOWCLK 0x00000001 /* Parity error timing */ #define GEM_PCI_BIF_CNF_HOST_64 0x00000002 /* 64-bit host */ #define GEM_PCI_BIF_CNF_B64D_DS 0x00000004 /* no 64-bit data cycle */ #define GEM_PCI_BIF_CNF_M66EN 0x00000008 #define GEM_PCI_BIF_CNF_BITS "\177\020b\0SLOWCLK\0b\1HOST64\0" \ "b\2B64DIS\0b\3M66EN\0\0" /* GEM_PCI_BIF_DIAG register bits */ #define GEN_PCI_BIF_DIAG_BC_SM 0x007f0000 /* burst ctrl. state machine */ #define GEN_PCI_BIF_DIAG_SM 0xff000000 /* BIF state machine */ /* Bits in GEM_SBUS_CONFIG register */ #define GEM_SBUS_CFG_BURST_32 0x00000001 /* 32 byte bursts */ #define GEM_SBUS_CFG_BURST_64 0x00000002 /* 64 byte bursts */ #define GEM_SBUS_CFG_BURST_128 0x00000004 /* 128 byte bursts */ #define GEM_SBUS_CFG_64BIT 0x00000008 /* extended transfer mode */ #define GEM_SBUS_CFG_PARITY 0x00000200 /* enable parity checking */ /* GEM_SBUS_STATUS register bits */ #define GEM_SBUS_STATUS_LERR 0x00000001 /* LERR from SBus slave */ #define GEM_SBUS_STATUS_SACK 0x00000002 /* size ack. error */ #define GEM_SBUS_STATUS_EACK 0x00000004 /* SBus ctrl. or slave error */ #define GEM_SBUS_STATUS_MPARITY 0x00000008 /* SBus master parity error */ /* GEM_RESET register bits -- TX and RX self clear when complete. */ #define GEM_RESET_TX 0x00000001 /* Reset TX half. */ #define GEM_RESET_RX 0x00000002 /* Reset RX half. */ #define GEM_RESET_PCI_RSTOUT 0x00000004 /* Force PCI RSTOUT#. */ #define GEM_RESET_CLSZ_MASK 0x00ff0000 /* ERI cache line size */ #define GEM_RESET_CLSZ_SHFT 16 /* The rest of the registers live in the first bank again. */ /* TX DMA registers */ #define GEM_TX_KICK 0x2000 /* Write last valid desc + 1 */ #define GEM_TX_CONFIG 0x2004 #define GEM_TX_RING_PTR_LO 0x2008 #define GEM_TX_RING_PTR_HI 0x200c #define GEM_TX_FIFO_WR_PTR 0x2014 /* FIFO write pointer */ #define GEM_TX_FIFO_SDWR_PTR 0x2018 /* FIFO shadow write pointer */ #define GEM_TX_FIFO_RD_PTR 0x201c /* FIFO read pointer */ #define GEM_TX_FIFO_SDRD_PTR 0x2020 /* FIFO shadow read pointer */ #define GEM_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */ #define GEM_TX_STATE_MACHINE 0x2028 /* ETX state machine reg */ #define GEM_TX_DATA_PTR_LO 0x2030 #define GEM_TX_DATA_PTR_HI 0x2034 #define GEM_TX_COMPLETION 0x2100 #define GEM_TX_FIFO_ADDRESS 0x2104 #define GEM_TX_FIFO_TAG 0x2108 #define GEM_TX_FIFO_DATA_LO 0x210c #define GEM_TX_FIFO_DATA_HI_T1 0x2110 #define GEM_TX_FIFO_DATA_HI_T0 0x2114 #define GEM_TX_FIFO_SIZE 0x2118 #define GEM_TX_DEBUG 0x3028 /* GEM_TX_CONFIG register bits */ #define GEM_TX_CONFIG_TXDMA_EN 0x00000001 /* TX DMA enable */ #define GEM_TX_CONFIG_TXRING_SZ 0x0000001e /* TX ring size */ #define GEM_TX_CONFIG_TXFIFO_TH 0x001ffc00 /* TX fifo threshold */ #define GEM_TX_CONFIG_PACED 0x00200000 /* TX_all_int modifier */ #define GEM_RING_SZ_32 (0<<1) /* 32 descriptors */ #define GEM_RING_SZ_64 (1<<1) #define GEM_RING_SZ_128 (2<<1) #define GEM_RING_SZ_256 (3<<1) #define GEM_RING_SZ_512 (4<<1) #define GEM_RING_SZ_1024 (5<<1) #define GEM_RING_SZ_2048 (6<<1) #define GEM_RING_SZ_4096 (7<<1) #define GEM_RING_SZ_8192 (8<<1) /* GEM_TX_COMPLETION register bits */ #define GEM_TX_COMPLETION_MASK 0x00001fff /* # of last descriptor */ /* RX DMA registers */ #define GEM_RX_CONFIG 0x4000 #define GEM_RX_RING_PTR_LO 0x4004 /* 64-bits unaligned GAK! */ #define GEM_RX_RING_PTR_HI 0x4008 /* 64-bits unaligned GAK! */ #define GEM_RX_FIFO_WR_PTR 0x400c /* FIFO write pointer */ #define GEM_RX_FIFO_SDWR_PTR 0x4010 /* FIFO shadow write pointer */ #define GEM_RX_FIFO_RD_PTR 0x4014 /* FIFO read pointer */ #define GEM_RX_FIFO_PKT_CNT 0x4018 /* FIFO packet counter */ #define GEM_RX_STATE_MACHINE 0x401c /* ERX state machine reg */ #define GEM_RX_PAUSE_THRESH 0x4020 #define GEM_RX_DATA_PTR_LO 0x4024 /* ERX state machine reg */ #define GEM_RX_DATA_PTR_HI 0x4028 /* Damn thing is unaligned */ #define GEM_RX_KICK 0x4100 /* Write last valid desc + 1 */ #define GEM_RX_COMPLETION 0x4104 /* First pending desc */ #define GEM_RX_BLANKING 0x4108 /* Interrupt blanking reg */ #define GEM_RX_FIFO_ADDRESS 0x410c #define GEM_RX_FIFO_TAG 0x4110 #define GEM_RX_FIFO_DATA_LO 0x4114 #define GEM_RX_FIFO_DATA_HI_T1 0x4118 #define GEM_RX_FIFO_DATA_HI_T0 0x411c #define GEM_RX_FIFO_SIZE 0x4120 /* GEM_RX_CONFIG register bits */ #define GEM_RX_CONFIG_RXDMA_EN 0x00000001 /* RX DMA enable */ #define GEM_RX_CONFIG_RXRING_SZ 0x0000001e /* RX ring size */ #define GEM_RX_CONFIG_BATCH_DIS 0x00000020 /* desc batching disable */ #define GEM_RX_CONFIG_FBOFF 0x00001c00 /* first byte offset */ #define GEM_RX_CONFIG_CXM_START 0x000fe000 /* cksum start offset bytes */ #define GEM_RX_CONFIG_FIFO_THRS 0x07000000 /* fifo threshold size */ #define GEM_THRSH_64 0 #define GEM_THRSH_128 1 #define GEM_THRSH_256 2 #define GEM_THRSH_512 3 #define GEM_THRSH_1024 4 #define GEM_THRSH_2048 5 #define GEM_RX_CONFIG_FIFO_THRS_SHIFT 24 #define GEM_RX_CONFIG_FBOFF_SHFT 10 #define GEM_RX_CONFIG_CXM_START_SHFT 13 /* GEM_RX_PAUSE_THRESH register bits -- sizes in multiples of 64 bytes */ #define GEM_RX_PTH_XOFF_THRESH 0x000001ff #define GEM_RX_PTH_XON_THRESH 0x001ff000 /* GEM_RX_BLANKING register bits */ #define GEM_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ #define GEM_RX_BLANKING_TIME 0x000ff000 /* Delay intr for x ticks */ #define GEM_RX_BLANKING_TIME_SHIFT 12 /* One tick is 2048 PCI clocks, or 16us at 66MHz */ /* GEM_MAC registers */ #define GEM_MAC_TXRESET 0x6000 /* Store 1, cleared when done */ #define GEM_MAC_RXRESET 0x6004 /* ditto */ #define GEM_MAC_SEND_PAUSE_CMD 0x6008 #define GEM_MAC_TX_STATUS 0x6010 #define GEM_MAC_RX_STATUS 0x6014 #define GEM_MAC_CONTROL_STATUS 0x6018 /* MAC control status reg */ #define GEM_MAC_TX_MASK 0x6020 /* TX MAC mask register */ #define GEM_MAC_RX_MASK 0x6024 #define GEM_MAC_CONTROL_MASK 0x6028 #define GEM_MAC_TX_CONFIG 0x6030 #define GEM_MAC_RX_CONFIG 0x6034 #define GEM_MAC_CONTROL_CONFIG 0x6038 #define GEM_MAC_XIF_CONFIG 0x603c #define GEM_MAC_IPG0 0x6040 /* inter packet gap 0 */ #define GEM_MAC_IPG1 0x6044 /* inter packet gap 1 */ #define GEM_MAC_IPG2 0x6048 /* inter packet gap 2 */ #define GEM_MAC_SLOT_TIME 0x604c /* slot time, bits 0-7 */ #define GEM_MAC_MAC_MIN_FRAME 0x6050 #define GEM_MAC_MAC_MAX_FRAME 0x6054 #define GEM_MAC_PREAMBLE_LEN 0x6058 #define GEM_MAC_JAM_SIZE 0x605c #define GEM_MAC_ATTEMPT_LIMIT 0x6060 #define GEM_MAC_CONTROL_TYPE 0x6064 #define GEM_MAC_ADDR0 0x6080 /* Normal MAC address 0 */ #define GEM_MAC_ADDR1 0x6084 #define GEM_MAC_ADDR2 0x6088 #define GEM_MAC_ADDR3 0x608c /* Alternate MAC address 0 */ #define GEM_MAC_ADDR4 0x6090 #define GEM_MAC_ADDR5 0x6094 #define GEM_MAC_ADDR6 0x6098 /* Control MAC address 0 */ #define GEM_MAC_ADDR7 0x609c #define GEM_MAC_ADDR8 0x60a0 #define GEM_MAC_ADDR_FILTER0 0x60a4 #define GEM_MAC_ADDR_FILTER1 0x60a8 #define GEM_MAC_ADDR_FILTER2 0x60ac #define GEM_MAC_ADR_FLT_MASK1_2 0x60b0 /* Address filter mask 1,2 */ #define GEM_MAC_ADR_FLT_MASK0 0x60b4 /* Address filter mask 0 reg */ #define GEM_MAC_HASH0 0x60c0 /* Hash table 0 */ #define GEM_MAC_HASH1 0x60c4 #define GEM_MAC_HASH2 0x60c8 #define GEM_MAC_HASH3 0x60cc #define GEM_MAC_HASH4 0x60d0 #define GEM_MAC_HASH5 0x60d4 #define GEM_MAC_HASH6 0x60d8 #define GEM_MAC_HASH7 0x60dc #define GEM_MAC_HASH8 0x60e0 #define GEM_MAC_HASH9 0x60e4 #define GEM_MAC_HASH10 0x60e8 #define GEM_MAC_HASH11 0x60ec #define GEM_MAC_HASH12 0x60f0 #define GEM_MAC_HASH13 0x60f4 #define GEM_MAC_HASH14 0x60f8 #define GEM_MAC_HASH15 0x60fc #define GEM_MAC_NORM_COLL_CNT 0x6100 /* Normal collision counter */ #define GEM_MAC_FIRST_COLL_CNT 0x6104 /* 1st successful collision cntr */ #define GEM_MAC_EXCESS_COLL_CNT 0x6108 /* Excess collision counter */ #define GEM_MAC_LATE_COLL_CNT 0x610c /* Late collision counter */ #define GEM_MAC_DEFER_TMR_CNT 0x6110 /* defer timer counter */ #define GEM_MAC_PEAK_ATTEMPTS 0x6114 #define GEM_MAC_RX_FRAME_COUNT 0x6118 #define GEM_MAC_RX_LEN_ERR_CNT 0x611c #define GEM_MAC_RX_ALIGN_ERR 0x6120 #define GEM_MAC_RX_CRC_ERR_CNT 0x6124 #define GEM_MAC_RX_CODE_VIOL 0x6128 #define GEM_MAC_RANDOM_SEED 0x6130 #define GEM_MAC_MAC_STATE 0x6134 /* MAC state machine reg */ /* GEM_MAC_SEND_PAUSE_CMD register bits */ #define GEM_MAC_PAUSE_CMD_TIME 0x0000ffff #define GEM_MAC_PAUSE_CMD_SEND 0x00010000 /* GEM_MAC_TX_STATUS and _MASK register bits */ #define GEM_MAC_TX_XMIT_DONE 0x00000001 #define GEM_MAC_TX_UNDERRUN 0x00000002 #define GEM_MAC_TX_PKT_TOO_LONG 0x00000004 #define GEM_MAC_TX_NCC_EXP 0x00000008 /* Normal collision cnt exp */ #define GEM_MAC_TX_ECC_EXP 0x00000010 #define GEM_MAC_TX_LCC_EXP 0x00000020 #define GEM_MAC_TX_FCC_EXP 0x00000040 #define GEM_MAC_TX_DEFER_EXP 0x00000080 #define GEM_MAC_TX_PEAK_EXP 0x00000100 /* GEM_MAC_RX_STATUS and _MASK register bits */ #define GEM_MAC_RX_DONE 0x00000001 #define GEM_MAC_RX_OVERFLOW 0x00000002 #define GEM_MAC_RX_FRAME_CNT 0x00000004 #define GEM_MAC_RX_ALIGN_EXP 0x00000008 #define GEM_MAC_RX_CRC_EXP 0x00000010 #define GEM_MAC_RX_LEN_EXP 0x00000020 #define GEM_MAC_RX_CVI_EXP 0x00000040 /* Code violation */ /* GEM_MAC_CONTROL_STATUS and GEM_MAC_CONTROL_MASK register bits */ #define GEM_MAC_PAUSED 0x00000001 /* Pause received */ #define GEM_MAC_PAUSE 0x00000002 /* enter pause state */ #define GEM_MAC_RESUME 0x00000004 /* exit pause state */ #define GEM_MAC_PAUSE_TIME_SLTS 0xffff0000 /* pause time in slots */ #define GEM_MAC_STATUS_BITS "\177\020b\0PAUSED\0b\1PAUSE\0b\2RESUME\0\0" #define GEM_MAC_PAUSE_TIME_SHFT 16 #define GEM_MAC_PAUSE_TIME(x) \ (((x) & GEM_MAC_PAUSE_TIME_SLTS) >> GEM_MAC_PAUSE_TIME_SHFT) /* GEM_MAC_XIF_CONFIG register bits */ #define GEM_MAC_XIF_TX_MII_ENA 0x00000001 /* Enable XIF output drivers */ #define GEM_MAC_XIF_MII_LOOPBK 0x00000002 /* Enable MII loopback mode */ #define GEM_MAC_XIF_ECHO_DISABL 0x00000004 /* Disable echo */ #define GEM_MAC_XIF_GMII_MODE 0x00000008 /* Select GMII/MII mode */ #define GEM_MAC_XIF_MII_BUF_ENA 0x00000010 /* Enable MII recv buffers */ #define GEM_MAC_XIF_LINK_LED 0x00000020 /* force link LED active */ #define GEM_MAC_XIF_FDPLX_LED 0x00000040 /* force FDPLX LED active */ #define GEM_MAC_XIF_BITS "\177\020b\0TXMIIENA\0b\1MIILOOP\0b\2NOECHO" \ "\0b\3GMII\0b\4MIIBUFENA\0b\5LINKLED\0" \ "b\6FDLED\0\0" /* * GEM_MAC_SLOT_TIME register * The slot time is used as PAUSE time unit, value depends on whether carrier * extension is enabled. */ #define GEM_MAC_SLOT_TIME_CARR_EXTEND 0x200 #define GEM_MAC_SLOT_TIME_NORMAL 0x40 /* GEM_MAC_TX_CONFIG register bits */ #define GEM_MAC_TX_ENABLE 0x00000001 /* TX enable */ #define GEM_MAC_TX_IGN_CARRIER 0x00000002 /* Ignore carrier sense */ #define GEM_MAC_TX_IGN_COLLIS 0x00000004 /* ignore collisions */ #define GEM_MAC_TX_ENA_IPG0 0x00000008 /* extend RX-to-TX IPG */ #define GEM_MAC_TX_NGU 0x00000010 /* Never give up */ #define GEM_MAC_TX_NGU_LIMIT 0x00000020 /* Never give up limit */ #define GEM_MAC_TX_NO_BACKOFF 0x00000040 #define GEM_MAC_TX_SLOWDOWN 0x00000080 #define GEM_MAC_TX_NO_FCS 0x00000100 /* no FCS will be generated */ #define GEM_MAC_TX_CARR_EXTEND 0x00000200 /* Ena TX Carrier Extension */ /* Carrier Extension is required for half duplex Gbps operation. */ #define GEM_MAC_TX_CONFIG_BITS "\177\020" \ "b\0TXENA\0b\1IGNCAR\0b\2IGNCOLLIS\0" \ "b\3IPG0ENA\0b\4TXNGU\0b\5TXNGULIM\0" \ "b\6NOBKOFF\0b\7SLOWDN\0b\x8NOFCS\0" \ "b\x9TXCARREXT\0\0" /* GEM_MAC_RX_CONFIG register bits */ #define GEM_MAC_RX_ENABLE 0x00000001 /* RX enable */ #define GEM_MAC_RX_STRIP_PAD 0x00000002 /* strip pad bytes */ #define GEM_MAC_RX_STRIP_CRC 0x00000004 #define GEM_MAC_RX_PROMISCUOUS 0x00000008 /* promiscuous mode */ #define GEM_MAC_RX_PROMISC_GRP 0x00000010 /* promiscuous group mode */ #define GEM_MAC_RX_HASH_FILTER 0x00000020 /* enable hash filter */ #define GEM_MAC_RX_ADDR_FILTER 0x00000040 /* enable address filter */ #define GEM_MAC_RX_ERRCHK_DIS 0x00000080 /* disable error checking */ #define GEM_MAC_RX_CARR_EXTEND 0x00000100 /* Ena RX Carrier Extension */ /* * Carrier Extension enables reception of packet bursts generated by * senders with carrier extension enabled. */ #define GEM_MAC_RX_CONFIG_BITS "\177\020" \ "b\0RXENA\0b\1STRPAD\0b\2STRCRC\0" \ "b\3PROMIS\0b\4PROMISCGRP\0b\5HASHFLTR\0" \ "b\6ADDRFLTR\0b\7ERRCHKDIS\0b\x9TXCARREXT\0\0" /* GEM_MAC_CONTROL_CONFIG bits */ #define GEM_MAC_CC_TX_PAUSE 0x00000001 /* send pause enabled */ #define GEM_MAC_CC_RX_PAUSE 0x00000002 /* receive pause enabled */ #define GEM_MAC_CC_PASS_PAUSE 0x00000004 /* pass pause up */ #define GEM_MAC_CC_BITS "\177\020b\0TXPAUSE\0b\1RXPAUSE\0b\2NOPAUSE\0\0" /* * MIF registers * Bit bang registers use low bit only. */ #define GEM_MIF_BB_CLOCK 0x6200 /* bit bang clock */ #define GEM_MIF_BB_DATA 0x6204 /* bit bang data */ #define GEM_MIF_BB_OUTPUT_ENAB 0x6208 #define GEM_MIF_FRAME 0x620c /* MIF frame - ctl and data */ #define GEM_MIF_CONFIG 0x6210 #define GEM_MIF_MASK 0x6214 #define GEM_MIF_STATUS 0x6218 #define GEM_MIF_STATE_MACHINE 0x621c /* GEM_MIF_FRAME bits */ #define GEM_MIF_FRAME_DATA 0x0000ffff #define GEM_MIF_FRAME_TA0 0x00010000 /* TA LSB, 1 for completion */ #define GEM_MIF_FRAME_TA1 0x00020000 /* TA MSB, 1 for instruction */ #define GEM_MIF_FRAME_REG_ADDR 0x007c0000 #define GEM_MIF_FRAME_PHY_ADDR 0x0f800000 /* PHY address */ #define GEM_MIF_FRAME_OP 0x30000000 /* operation - write/read */ #define GEM_MIF_FRAME_START 0xc0000000 /* START bits */ #define GEM_MIF_FRAME_READ 0x60020000 #define GEM_MIF_FRAME_WRITE 0x50020000 #define GEM_MIF_REG_SHIFT 18 #define GEM_MIF_PHY_SHIFT 23 /* GEM_MIF_CONFIG register bits */ #define GEM_MIF_CONFIG_PHY_SEL 0x00000001 /* PHY select, 0: MDIO_0 */ #define GEM_MIF_CONFIG_POLL_ENA 0x00000002 /* poll enable */ #define GEM_MIF_CONFIG_BB_ENA 0x00000004 /* bit bang enable */ #define GEM_MIF_CONFIG_REG_ADR 0x000000f8 /* poll register address */ #define GEM_MIF_CONFIG_MDI0 0x00000100 /* MDIO_0 attached/data */ #define GEM_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 attached/data */ #define GEM_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ /* MDI0 is the onboard transceiver, MDI1 is external, PHYAD for both is 0. */ #define GEM_MIF_CONFIG_BITS "\177\020b\0PHYSEL\0b\1POLL\0b\2BBENA\0" \ "b\x8MDIO0\0b\x9MDIO1\0\0" /* GEM_MIF_STATUS and GEM_MIF_MASK bits */ #define GEM_MIF_POLL_STATUS_MASK 0x0000ffff /* polling status */ #define GEM_MIF_POLL_STATUS_SHFT 0 #define GEM_MIF_POLL_DATA_MASK 0xffff0000 /* polling data */ #define GEM_MIF_POLL_DATA_SHFT 8 /* * The Basic part is the last value read in the POLL field of the config * register. * The status part indicates the bits that have changed. */ /* GEM PCS/Serial link registers */ /* DO NOT TOUCH THESE REGISTERS ON ERI -- IT HARD HANGS. */ #define GEM_MII_CONTROL 0x9000 #define GEM_MII_STATUS 0x9004 #define GEM_MII_ANAR 0x9008 /* MII advertisement reg */ #define GEM_MII_ANLPAR 0x900c /* Link Partner Ability Reg */ #define GEM_MII_CONFIG 0x9010 #define GEM_MII_STATE_MACHINE 0x9014 #define GEM_MII_INTERRUP_STATUS 0x9018 /* PCS interrupt state */ #define GEM_MII_DATAPATH_MODE 0x9050 #define GEM_MII_SLINK_CONTROL 0x9054 /* Serial link control */ #define GEM_MII_OUTPUT_SELECT 0x9058 #define GEM_MII_SLINK_STATUS 0x905c /* Serialink status */ /* GEM_MII_CONTROL bits - PCS "BMCR" (Basic Mode Control Reg) */ #define GEM_MII_CONTROL_1000M 0x00000040 /* 1000Mbps speed select */ #define GEM_MII_CONTROL_COL_TST 0x00000080 /* collision test */ #define GEM_MII_CONTROL_FDUPLEX 0x00000100 /* full-duplex, always 0 */ #define GEM_MII_CONTROL_RAN 0x00000200 /* restart auto-negotiation */ #define GEM_MII_CONTROL_ISOLATE 0x00000400 /* isolate PHY from MII */ #define GEM_MII_CONTROL_POWERDN 0x00000800 /* power down */ #define GEM_MII_CONTROL_AUTONEG 0x00001000 /* auto-negotiation enable */ #define GEM_MII_CONTROL_10_100M 0x00002000 /* 10/100Mbps speed select */ #define GEM_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ #define GEM_MII_CONTROL_RESET 0x00008000 /* Reset PCS. */ #define GEM_MII_CONTROL_BITS "\177\020b\7COLTST\0b\x8_FD\0b\x9RAN\0" \ "b\xaISOLATE\0b\xbPWRDWN\0b\xc_ANEG\0" \ "b\xdGIGE\0b\xeLOOP\0b\xfRESET\0\0" /* GEM_MII_STATUS reg - PCS "BMSR" (Basic Mode Status Reg) */ #define GEM_MII_STATUS_EXTCAP 0x00000001 /* extended capability */ #define GEM_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ #define GEM_MII_STATUS_LINK_STS 0x00000004 /* link status */ #define GEM_MII_STATUS_ACFG 0x00000008 /* can auto-negotiate */ #define GEM_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ #define GEM_MII_STATUS_ANEG_CPT 0x00000020 /* auto-negotiate complete */ #define GEM_MII_STATUS_EXTENDED 0x00000100 /* extended status */ #define GEM_MII_STATUS_BITS "\177\020b\0EXTCAP\0b\1JABBER\0b\2LINKSTS\0" \ "b\3ACFG\0b\4REMFLT\0b\5ANEGCPT\0\0" /* GEM_MII_ANAR and GEM_MII_ANLPAR reg bits */ #define GEM_MII_ANEG_FDUPLX 0x00000020 /* full-duplex */ #define GEM_MII_ANEG_HDUPLX 0x00000040 /* half-duplex */ #define GEM_MII_ANEG_PAUSE 0x00000080 /* symmetric PAUSE */ #define GEM_MII_ANEG_ASM_DIR 0x00000100 /* asymmetric PAUSE */ #define GEM_MII_ANEG_RFLT_FAIL 0x00001000 /* remote fault - fail */ #define GEM_MII_ANEG_RFLT_OFF 0x00002000 /* remote fault - off-line */ #define GEM_MII_ANEG_RFLT_MASK \ (CAS_PCS_ANEG_RFLT_FAIL | CAS_PCS_ANEG_RFLT_OFF) #define GEM_MII_ANEG_ACK 0x00004000 /* acknowledge */ #define GEM_MII_ANEG_NP 0x00008000 /* next page */ #define GEM_MII_ANEG_BITS "\177\020b\5FDX\0b\6HDX\0b\7SYMPAUSE\0" \ "\b\x8_ASYMPAUSE\0\b\xdREMFLT\0\b\xeLPACK\0" \ "\b\xfNPBIT\0\0" /* GEM_MII_CONFIG reg */ #define GEM_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS. */ #define GEM_MII_CONFIG_SDO 0x00000002 /* signal detect override */ #define GEM_MII_CONFIG_SDL 0x00000004 /* signal detect active-low */ #define GEM_MII_CONFIG_JS_NORM 0x00000000 /* jitter study - normal op. */ #define GEM_MII_CONFIG_JS_HF 0x00000008 /* jitter study - HF test */ #define GEM_MII_CONFIG_JS_LF 0x00000010 /* jitter study - LF test */ #define GEM_MII_CONFIG_JS_MASK \ (GEM_MII_CONFIG_JS_HF | GEM_MII_CONFIG_JS_LF) #define GEM_MII_CONFIG_ANTO 0x00000020 /* auto-neg. timer override */ #define GEM_MII_CONFIG_BITS "\177\020b\0PCSENA\0\0" /* * GEM_MII_INTERRUP_STATUS reg * No mask register; mask with the global interrupt mask register. */ #define GEM_MII_INTERRUP_LINK 0x00000004 /* PCS link status change */ /* GEM_MII_DATAPATH_MODE reg */ #define GEM_MII_DATAPATH_SERIAL 0x00000001 /* Serialink */ #define GEM_MII_DATAPATH_SERDES 0x00000002 /* SERDES via 10-bit */ #define GEM_MII_DATAPATH_MII 0x00000004 /* GMII/MII */ #define GEM_MII_DATAPATH_GMIIOE 0x00000008 /* serial output on GMII en. */ #define GEM_MII_DATAPATH_BITS "\177\020" \ "b\0SERIAL\0b\1SERDES\0b\2MII\0b\3GMIIOE\0\0" /* GEM_MII_SLINK_CONTROL reg */ #define GEM_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at SL, logic * reversed for SERDES */ #define GEM_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ #define GEM_MII_SLINK_LOCK_REF 0x00000004 /* lock to reference clock */ #define GEM_MII_SLINK_EMPHASIS 0x00000018 /* enable emphasis */ #define GEM_MII_SLINK_SELFTEST 0x000001c0 /* self-test */ #define GEM_MII_SLINK_POWER_OFF 0x00000200 /* Power down Serialink. */ #define GEM_MII_SLINK_RX_ZERO 0x00000c00 /* PLL input to Serialink. */ #define GEM_MII_SLINK_RX_POLE 0x00003000 /* PLL input to Serialink. */ #define GEM_MII_SLINK_TX_ZERO 0x0000c000 /* PLL input to Serialink. */ #define GEM_MII_SLINK_TX_POLE 0x00030000 /* PLL input to Serialink. */ #define GEM_MII_SLINK_CONTROL_BITS \ "\177\020b\0LOOP\0b\1ENASYNC\0b\2LOCKREF" \ "\0b\3EMPHASIS\0b\x9PWRDWN\0\0" /* GEM_MII_SLINK_STATUS reg */ #define GEM_MII_SLINK_TEST 0x00000000 /* undergoing test */ #define GEM_MII_SLINK_LOCKED 0x00000001 /* waiting 500us w/ lockrefn */ #define GEM_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ #define GEM_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ /* * PCI Expansion ROM runtime access * Sun GEMs map a 1MB space for the PCI Expansion ROM as the second half * of the first register bank, although they only support up to 64KB ROMs. */ #define GEM_PCI_ROM_OFFSET 0x100000 #define GEM_PCI_ROM_SIZE 0x10000 /* Wired PHY addresses */ #define GEM_PHYAD_INTERNAL 1 #define GEM_PHYAD_EXTERNAL 0 /* Miscellaneous */ #define GEM_ERI_CACHE_LINE_SIZE 16 #define GEM_ERI_LATENCY_TIMER 64 /* * descriptor table structures */ struct gem_desc { uint64_t gd_flags; uint64_t gd_addr; }; /* * Transmit flags * GEM_TD_CXSUM_ENABLE, GEM_TD_CXSUM_START, GEM_TD_CXSUM_STUFF and * GEM_TD_INTERRUPT_ME only need to be set in the first descriptor of a group. */ #define GEM_TD_BUFSIZE 0x0000000000007fffULL #define GEM_TD_CXSUM_START 0x00000000001f8000ULL /* Cxsum start offset */ #define GEM_TD_CXSUM_STARTSHFT 15 #define GEM_TD_CXSUM_STUFF 0x000000001fe00000ULL /* Cxsum stuff offset */ #define GEM_TD_CXSUM_STUFFSHFT 21 #define GEM_TD_CXSUM_ENABLE 0x0000000020000000ULL /* Cxsum generation enable */ #define GEM_TD_END_OF_PACKET 0x0000000040000000ULL #define GEM_TD_START_OF_PACKET 0x0000000080000000ULL #define GEM_TD_INTERRUPT_ME 0x0000000100000000ULL /* Interrupt me now */ #define GEM_TD_NO_CRC 0x0000000200000000ULL /* do not insert crc */ /* Receive flags */ #define GEM_RD_CHECKSUM 0x000000000000ffffULL /* is the complement */ #define GEM_RD_BUFSIZE 0x000000007fff0000ULL #define GEM_RD_OWN 0x0000000080000000ULL /* 1 - owned by h/w */ #define GEM_RD_HASHVAL 0x0ffff00000000000ULL #define GEM_RD_HASH_PASS 0x1000000000000000ULL /* passed hash filter */ #define GEM_RD_ALTERNATE_MAC 0x2000000000000000ULL /* Alternate MAC adrs */ #define GEM_RD_BAD_CRC 0x4000000000000000ULL #define GEM_RD_BUFSHIFT 16 #define GEM_RD_BUFLEN(x) (((x) & GEM_RD_BUFSIZE) >> GEM_RD_BUFSHIFT) #endif