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Diffstat (limited to 'sys/dev/ic/gemreg.h')
| -rw-r--r-- | sys/dev/ic/gemreg.h | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/sys/dev/ic/gemreg.h b/sys/dev/ic/gemreg.h new file mode 100644 index 00000000000..af62ed7f418 --- /dev/null +++ b/sys/dev/ic/gemreg.h @@ -0,0 +1,533 @@ +/* $NetBSD: gemreg.h,v 1.1 2001/09/16 00:11:43 eeh Exp $ */ + +/* + * + * 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. + * + */ + +#ifndef _IF_GEMREG_H +#define _IF_GEMREG_H + +/* Register definitions for Sun GEM gigabit ethernet */ + +#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 +/* This is the same as the GEM_STATUS reg but reading it does not clear bits. */ +#define GEM_ERROR_STATUS 0x1000 /* PCI error status R/C */ +#define GEM_ERROR_MASK 0x1004 +#define GEM_BIF_CONFIG 0x1008 /* BIF config reg */ +#define GEM_BIF_DIAG 0x100c +#define GEM_RESET 0x1010 /* Software reset register */ + + +/* Bits in GEM_SEB register */ +#define GEM_SEB_ARB 0x000000002 /* Arbitration status */ +#define GEM_SEB_RXWON 0x000000004 + + +/* Bits in GEM_CONFIG register */ +#define GEM_CONFIG_BURST_64 0x000000000 /* 0->infininte, 1->64KB */ +#define GEM_CONFIG_BURST_INF 0x000000001 /* 0->infininte, 1->64KB */ +#define GEM_CONFIG_TXDMA_LIMIT 0x00000003e +#define GEM_CONFIG_RXDMA_LIMIT 0x0000007c0 + +#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_COMPL 0xfff800000 /* TX completion reg. */ + + +/* Interrupt bits, for both the GEM_STATUS and GEM_INTMASK regs. */ +#define GEM_INTR_TX_INTME 0x000000001 /* Frame w/INTME bit set sent */ +#define GEM_INTR_TX_EMPTY 0x000000002 /* TX ring empty */ +#define GEM_INTR_TX_DONE 0x000000004 /* TX complete */ +#define GEM_INTR_RX_DONE 0x000000010 /* Got a packet */ +#define GEM_INTR_RX_NOBUF 0x000000020 +#define GEM_INTR_RX_TAG_ERR 0x000000040 +#define GEM_INTR_PCS 0x000002000 +#define GEM_INTR_TX_MAC 0x000004000 +#define GEM_INTR_RX_MAC 0x000008000 +#define GEM_INTR_MAC_CONTROL 0x000010000 /* MAC control interrupt */ +#define GEM_INTR_MIF 0x000020000 +#define GEM_INTR_BERR 0x000040000 /* 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\15PCS\0b\16TXMAC\0b\17RXMAC\0" \ + "b\20MAC_CONTROL\0b\21MIF\0b\22BERR\0\0" \ + + + +/* GEM_ERROR_STATUS and GEM_ERROR_MASK PCI error bits */ +#define GEM_ERROR_STAT_BADACK 0x000000001 /* No ACK64# */ +#define GEM_ERROR_STAT_DTRTO 0x000000002 /* Delayed xaction timeout */ +#define GEM_ERROR_STAT_OTHERS 0x000000004 + + +/* GEM_BIF_CONFIG register bits */ +#define GEM_BIF_CONFIG_SLOWCLK 0x000000001 /* Parity error timing */ +#define GEM_BIF_CONFIG_HOST_64 0x000000002 /* 64-bit host */ +#define GEM_BIF_CONFIG_B64D_DIS 0x000000004 /* no 64-bit data cycle */ +#define GEM_BIF_CONFIG_M66EN 0x000000008 + + +/* GEM_RESET register bits -- TX and RX self clear when complete. */ +#define GEM_RESET_TX 0x000000001 /* Reset TX half */ +#define GEM_RESET_RX 0x000000002 /* Reset RX half */ +#define GEM_RESET_RSTOUT 0x000000004 /* Force PCI RSTOUT# */ + + +/* GEM TX DMA registers */ +#define GEM_TX_KICK 0x2000 /* Write last valid desc + 1 */ +#define GEM_TX_CONFIG 0x2004 +#define GEM_TX_RING_PTR 0x2008 /* 64-bits */ + +#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 0x2030 /* ETX state machine reg (64-bit)*/ + +#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 */ + + +/* GEM 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 /* checksum start offset */ +#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 0x07fc0000 + + +/* GEM_RX_BLANKING register bits */ +#define GEM_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ +#define GEM_RX_BLANKING_TIME 0x03fc0000 /* Delay intr for x ticks */ +/* One tick is 1048 PCI clocs, 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 +#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 sstate 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 0xffff0000 + +/* 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_MII_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 */ + +/* 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 collitions */ +#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 */ + + +/* 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. + */ + + +/* 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 */ + + +/* GEM 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_INTERRUPT_MASK 0x6214 +#define GEM_MIF_BASIC_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 bit, 1 for completion */ +#define GEM_MIF_FRAME_TA1 0x00020000 /* TA bits */ +#define GEM_MIF_FRAME_REG_ADDR 0x007c0000 +#define GEM_MIF_FRAME_PHY_ADDR 0x0f800000 /* phy address, should be 0 */ +#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 */ +#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 Data/MDIO_0 atached */ +#define GEM_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 Data/MDIO_1 atached */ +#define GEM_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ +/* MDI0 is onboard tranciever MID1 is external, PHYAD for both is 0 */ + + +/* GEM_MIF_BASIC_STATUS and GEM_MIF_INTERRUPT_MASK bits */ +#define GEM_MIF_STATUS 0x0000ffff +#define GEM_MIF_BASIC 0xffff0000 +/* + * 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. + */ + + +/* The GEM PCS/Serial link register. */ +#define GEM_MII_CONTROL 0x9000 +#define GEM_MII_STATUS 0x9004 +#define GEM_MII_ANAR 0x9008 /* MII advertisement reg */ +#define GEM_MII_ANLPAR 0x900c /* LP ability reg */ +#define GEM_MII_CONFIG 0x9010 +#define GEM_MII_STATE_MACHINE 0x9014 +#define GEM_MII_INTERRUP_STATUS 0x9018 +#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 /* serial link status */ + + +/* GEM_MII_CONTROL bits */ +/* + * DO NOT TOUCH THIS REGISTER ON ERI -- IT HARD HANGS. + */ +#define GEM_MII_CONTROL_RESET 0x00008000 +#define GEM_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ +#define GEM_MII_CONTROL_1000M 0x00002000 /* speed select, always 0 */ +#define GEM_MII_CONTROL_AUTONEG 0x00001000 /* auto negotiation enabled */ +#define GEM_MII_CONTROL_POWERDN 0x00000800 +#define GEM_MII_CONTROL_ISOLATE 0x00000400 /* isolate phy from mii */ +#define GEM_MII_CONTROL_RAN 0x00000200 /* restart auto negotioation */ +#define GEM_MII_CONTROL_FDUPLEX 0x00000100 /* full duplex, always 0 */ +#define GEM_MII_CONTROL_COL_TST 0x00000080 /* collision test */ + + +/* GEM_MII_STATUS reg */ +#define GEM_MII_STATUS_GB_FDX 0x00000400 /* can perform GBit FDX */ +#define GEM_MII_STATUS_GB_HDX 0x00000200 /* can perform GBit HDX */ +#define GEM_MII_STATUS_ANEG_CPT 0x00000020 /* auto negotiate compete */ +#define GEM_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ +#define GEM_MII_STATUS_ACFG 0x00000008 /* can auto negotiate */ +#define GEM_MII_STATUS_LINK_STS 0x00000004 /* link status */ +#define GEM_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ +#define GEM_MII_STATUS_EXTCAP 0x00000001 /* extended register capability */ + + +/* GEM_MII_ANAR and GEM_MII_ANLAR reg bits */ +#define GEM_MII_ANEG_NP 0x00008000 /* next page bit */ +#define GEM_MII_ANEG_ACK 0x00004000 /* ack reception of */ + /* Link Partner Capability */ +#define GEM_MII_ANEG_RF 0x00003000 /* advertise remote fault cap */ +#define GEM_MII_ANEG_ASYM_PAUSE 0x00000100 /* asymmetric pause */ +#define GEM_MII_ANEG_SYM_PAUSE 0x00000080 /* symmetric pause */ +#define GEM_MII_ANEG_HLF_DUPLX 0x00000040 +#define GEM_MII_ANEG_FUL_DUPLX 0x00000020 + + +/* GEM_MII_CONFIG reg */ +#define GEM_MII_CONFIG_TIMER 0x0000001c /* link monitor timer values */ +#define GEM_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS */ + + +/* GEM_MII_DATAPATH_MODE reg */ +#define GEM_MII_DATAPATH_SERIAL 0x00000001 /* Serial link */ +#define GEM_MII_DATAPATH_SERDES 0x00000002 /* Use PCS via 10bit interfac */ +#define GEM_MII_DATAPATH_MII 0x00000004 /* Use MII, not PCS */ +#define GEM_MII_DATAPATH_MIIOUT 0x00000008 /* enable serial output on GMII */ + + +/* GEM_MII_SLINK_CONTROL reg */ +#define GEM_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at sl */ +#define GEM_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ +#define GEM_MII_SLINK_LOCK_REF 0x00000004 /* lock reference clock */ +#define GEM_MII_SLINK_EMPHASIS 0x00000008 /* enable emphasis */ +#define GEM_MII_SLINK_SELFTEST 0x000001c0 +#define GEM_MII_SLINK_POWER_OFF 0x00000200 /* Power down serial link */ + + +/* GEM_MII_SLINK_STATUS reg */ +#define GEM_MII_SLINK_TEST 0x00000000 /* undergoing test */ +#define GEM_MII_SLINK_LOCKED 0x00000001 /* waiting 500us lockrefn */ +#define GEM_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ +#define GEM_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ + + +/* Wired GEM PHY addresses */ +#define GEM_PHYAD_INTERNAL 1 +#define GEM_PHYAD_EXTERNAL 0 + +/* + * GEM descriptor table structures. + */ +struct gem_desc { + uint64_t gd_flags; + uint64_t gd_addr; +}; + +/* Transmit flags */ +#define GEM_TD_BUFSIZE 0x0000000000007fffLL +#define GEM_TD_CXSUM_START 0x00000000001f8000LL /* Cxsum start offset */ +#define GEM_TD_CXSUM_STUFF 0x000000001fe00000LL /* Cxsum stuff offset */ +#define GEM_TD_CXSUM_ENABLE 0x0000000020000000LL /* Cxsum generation enable */ +#define GEM_TD_END_OF_PACKET 0x0000000040000000LL +#define GEM_TD_START_OF_PACKET 0x0000000080000000LL +#define GEM_TD_INTERRUPT_ME 0x0000000100000000LL /* Interrupt me now */ +#define GEM_TD_NO_CRC 0x0000000200000000LL /* do not insert crc */ +/* + * Only need to set GEM_TD_CXSUM_ENABLE, GEM_TD_CXSUM_STUFF, + * GEM_TD_CXSUM_START, and GEM_TD_INTERRUPT_ME in 1st descriptor of a group. + */ + +/* Receive flags */ +#define GEM_RD_CHECKSUM 0x000000000000ffffLL +#define GEM_RD_BUFSIZE 0x000000007fff0000LL +#define GEM_RD_OWN 0x0000000080000000LL /* 1 - owned by h/w */ +#define GEM_RD_HASHVAL 0x0ffff00000000000LL +#define GEM_RD_HASH_PASS 0x1000000000000000LL /* passed hash filter */ +#define GEM_RD_ALTERNATE_MAC 0x2000000000000000LL /* Alternate MAC adrs */ +#define GEM_RD_BAD_CRC 0x4000000000000000LL + +#define GEM_RD_BUFSHIFT 16 +#define GEM_RD_BUFLEN(x) (((x)&GEM_RD_BUFSIZE)>>GEM_RD_BUFSHIFT) + +#endif |