2913 lines
123 KiB
C
2913 lines
123 KiB
C
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/* $Id: cassini.h,v 1.16 2004/08/17 21:15:16 zaumen Exp $
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* cassini.h: Definitions for Sun Microsystems Cassini(+) ethernet driver.
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*
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* Copyright (C) 2004 Sun Microsystems Inc.
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* Copyright (c) 2003 Adrian Sun (asun@darksunrising.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* vendor id: 0x108E (Sun Microsystems, Inc.)
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* device id: 0xabba (Cassini)
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* revision ids: 0x01 = Cassini
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* 0x02 = Cassini rev 2
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* 0x10 = Cassini+
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* 0x11 = Cassini+ 0.2u
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*
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* vendor id: 0x100b (National Semiconductor)
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* device id: 0x0035 (DP83065/Saturn)
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* revision ids: 0x30 = Saturn B2
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*
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* rings are all offset from 0.
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*
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* there are two clock domains:
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* PCI: 33/66MHz clock
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* chip: 125MHz clock
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*/
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#ifndef _CASSINI_H
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#define _CASSINI_H
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/* cassini register map: 2M memory mapped in 32-bit memory space accessible as
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* 32-bit words. there is no i/o port access. REG_ addresses are
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* shared between cassini and cassini+. REG_PLUS_ addresses only
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* appear in cassini+. REG_MINUS_ addresses only appear in cassini.
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*/
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#define CAS_ID_REV2 0x02
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#define CAS_ID_REVPLUS 0x10
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#define CAS_ID_REVPLUS02u 0x11
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#define CAS_ID_REVSATURNB2 0x30
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/** global resources **/
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/* this register sets the weights for the weighted round robin arbiter. e.g.,
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* if rx weight == 1 and tx weight == 0, rx == 2x tx transfer credit
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* for its next turn to access the pci bus.
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* map: 0x0 = x1, 0x1 = x2, 0x2 = x4, 0x3 = x8
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* DEFAULT: 0x0, SIZE: 5 bits
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*/
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#define REG_CAWR 0x0004 /* core arbitration weight */
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#define CAWR_RX_DMA_WEIGHT_SHIFT 0
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#define CAWR_RX_DMA_WEIGHT_MASK 0x03 /* [0:1] */
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#define CAWR_TX_DMA_WEIGHT_SHIFT 2
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#define CAWR_TX_DMA_WEIGHT_MASK 0x0C /* [3:2] */
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#define CAWR_RR_DIS 0x10 /* [4] */
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/* if enabled, BIM can send bursts across PCI bus > cacheline size. burst
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* sizes determined by length of packet or descriptor transfer and the
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* max length allowed by the target.
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* DEFAULT: 0x0, SIZE: 1 bit
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*/
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#define REG_INF_BURST 0x0008 /* infinite burst enable reg */
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#define INF_BURST_EN 0x1 /* enable */
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/* top level interrupts [0-9] are auto-cleared to 0 when the status
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* register is read. second level interrupts [13 - 18] are cleared at
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* the source. tx completion register 3 is replicated in [19 - 31]
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* DEFAULT: 0x00000000, SIZE: 29 bits
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*/
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#define REG_INTR_STATUS 0x000C /* interrupt status register */
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#define INTR_TX_INTME 0x00000001 /* frame w/ INT ME desc bit set
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xferred from host queue to
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TX FIFO */
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#define INTR_TX_ALL 0x00000002 /* all xmit frames xferred into
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TX FIFO. i.e.,
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TX Kick == TX complete. if
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PACED_MODE set, then TX FIFO
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also empty */
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#define INTR_TX_DONE 0x00000004 /* any frame xferred into tx
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FIFO */
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#define INTR_TX_TAG_ERROR 0x00000008 /* TX FIFO tag framing
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corrupted. FATAL ERROR */
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#define INTR_RX_DONE 0x00000010 /* at least 1 frame xferred
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from RX FIFO to host mem.
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RX completion reg updated.
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may be delayed by recv
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intr blanking. */
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#define INTR_RX_BUF_UNAVAIL 0x00000020 /* no more receive buffers.
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RX Kick == RX complete */
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#define INTR_RX_TAG_ERROR 0x00000040 /* RX FIFO tag framing
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corrupted. FATAL ERROR */
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#define INTR_RX_COMP_FULL 0x00000080 /* no more room in completion
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ring to post descriptors.
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RX complete head incr to
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almost reach RX complete
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tail */
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#define INTR_RX_BUF_AE 0x00000100 /* less than the
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programmable threshold #
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of free descr avail for
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hw use */
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#define INTR_RX_COMP_AF 0x00000200 /* less than the
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programmable threshold #
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of descr spaces for hw
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use in completion descr
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ring */
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#define INTR_RX_LEN_MISMATCH 0x00000400 /* len field from MAC !=
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len of non-reassembly pkt
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from fifo during DMA or
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header parser provides TCP
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header and payload size >
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MAC packet size.
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FATAL ERROR */
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#define INTR_SUMMARY 0x00001000 /* summary interrupt bit. this
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bit will be set if an interrupt
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generated on the pci bus. useful
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when driver is polling for
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interrupts */
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#define INTR_PCS_STATUS 0x00002000 /* PCS interrupt status register */
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#define INTR_TX_MAC_STATUS 0x00004000 /* TX MAC status register has at
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least 1 unmasked interrupt set */
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#define INTR_RX_MAC_STATUS 0x00008000 /* RX MAC status register has at
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least 1 unmasked interrupt set */
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#define INTR_MAC_CTRL_STATUS 0x00010000 /* MAC control status register has
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at least 1 unmasked interrupt
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set */
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#define INTR_MIF_STATUS 0x00020000 /* MIF status register has at least
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1 unmasked interrupt set */
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#define INTR_PCI_ERROR_STATUS 0x00040000 /* PCI error status register in the
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BIF has at least 1 unmasked
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interrupt set */
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#define INTR_TX_COMP_3_MASK 0xFFF80000 /* mask for TX completion
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3 reg data */
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#define INTR_TX_COMP_3_SHIFT 19
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#define INTR_ERROR_MASK (INTR_MIF_STATUS | INTR_PCI_ERROR_STATUS | \
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INTR_PCS_STATUS | INTR_RX_LEN_MISMATCH | \
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INTR_TX_MAC_STATUS | INTR_RX_MAC_STATUS | \
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INTR_TX_TAG_ERROR | INTR_RX_TAG_ERROR | \
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INTR_MAC_CTRL_STATUS)
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/* determines which status events will cause an interrupt. layout same
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* as REG_INTR_STATUS.
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* DEFAULT: 0xFFFFFFFF, SIZE: 16 bits
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*/
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#define REG_INTR_MASK 0x0010 /* Interrupt mask */
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/* top level interrupt bits that are cleared during read of REG_INTR_STATUS_ALIAS.
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* useful when driver is polling for interrupts. layout same as REG_INTR_MASK.
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* DEFAULT: 0x00000000, SIZE: 12 bits
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*/
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#define REG_ALIAS_CLEAR 0x0014 /* alias clear mask
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(used w/ status alias) */
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/* same as REG_INTR_STATUS except that only bits cleared are those selected by
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* REG_ALIAS_CLEAR
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* DEFAULT: 0x00000000, SIZE: 29 bits
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*/
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#define REG_INTR_STATUS_ALIAS 0x001C /* interrupt status alias
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(selective clear) */
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/* DEFAULT: 0x0, SIZE: 3 bits */
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#define REG_PCI_ERR_STATUS 0x1000 /* PCI error status */
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#define PCI_ERR_BADACK 0x01 /* reserved in Cassini+.
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set if no ACK64# during ABS64 cycle
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in Cassini. */
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#define PCI_ERR_DTRTO 0x02 /* delayed xaction timeout. set if
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no read retry after 2^15 clocks */
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#define PCI_ERR_OTHER 0x04 /* other PCI errors */
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#define PCI_ERR_BIM_DMA_WRITE 0x08 /* BIM received 0 count DMA write req.
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unused in Cassini. */
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#define PCI_ERR_BIM_DMA_READ 0x10 /* BIM received 0 count DMA read req.
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unused in Cassini. */
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#define PCI_ERR_BIM_DMA_TIMEOUT 0x20 /* BIM received 255 retries during
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DMA. unused in cassini. */
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/* mask for PCI status events that will set PCI_ERR_STATUS. if cleared, event
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* causes an interrupt to be generated.
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* DEFAULT: 0x7, SIZE: 3 bits
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*/
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#define REG_PCI_ERR_STATUS_MASK 0x1004 /* PCI Error status mask */
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/* used to configure PCI related parameters that are not in PCI config space.
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* DEFAULT: 0bxx000, SIZE: 5 bits
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*/
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#define REG_BIM_CFG 0x1008 /* BIM Configuration */
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#define BIM_CFG_RESERVED0 0x001 /* reserved */
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#define BIM_CFG_RESERVED1 0x002 /* reserved */
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#define BIM_CFG_64BIT_DISABLE 0x004 /* disable 64-bit mode */
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#define BIM_CFG_66MHZ 0x008 /* (ro) 1 = 66MHz, 0 = < 66MHz */
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#define BIM_CFG_32BIT 0x010 /* (ro) 1 = 32-bit slot, 0 = 64-bit */
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#define BIM_CFG_DPAR_INTR_ENABLE 0x020 /* detected parity err enable */
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#define BIM_CFG_RMA_INTR_ENABLE 0x040 /* master abort intr enable */
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#define BIM_CFG_RTA_INTR_ENABLE 0x080 /* target abort intr enable */
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#define BIM_CFG_RESERVED2 0x100 /* reserved */
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#define BIM_CFG_BIM_DISABLE 0x200 /* stop BIM DMA. use before global
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reset. reserved in Cassini. */
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#define BIM_CFG_BIM_STATUS 0x400 /* (ro) 1 = BIM DMA suspended.
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reserved in Cassini. */
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#define BIM_CFG_PERROR_BLOCK 0x800 /* block PERR# to pci bus. def: 0.
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reserved in Cassini. */
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/* DEFAULT: 0x00000000, SIZE: 32 bits */
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#define REG_BIM_DIAG 0x100C /* BIM Diagnostic */
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#define BIM_DIAG_MSTR_SM_MASK 0x3FFFFF00 /* PCI master controller state
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machine bits [21:0] */
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#define BIM_DIAG_BRST_SM_MASK 0x7F /* PCI burst controller state
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machine bits [6:0] */
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/* writing to SW_RESET_TX and SW_RESET_RX will issue a global
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* reset. poll until TX and RX read back as 0's for completion.
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*/
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#define REG_SW_RESET 0x1010 /* Software reset */
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#define SW_RESET_TX 0x00000001 /* reset TX DMA engine. poll until
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cleared to 0. */
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#define SW_RESET_RX 0x00000002 /* reset RX DMA engine. poll until
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cleared to 0. */
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#define SW_RESET_RSTOUT 0x00000004 /* force RSTOUT# pin active (low).
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resets PHY and anything else
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connected to RSTOUT#. RSTOUT#
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is also activated by local PCI
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reset when hot-swap is being
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done. */
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#define SW_RESET_BLOCK_PCS_SLINK 0x00000008 /* if a global reset is done with
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this bit set, PCS and SLINK
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modules won't be reset.
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i.e., link won't drop. */
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#define SW_RESET_BREQ_SM_MASK 0x00007F00 /* breq state machine [6:0] */
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#define SW_RESET_PCIARB_SM_MASK 0x00070000 /* pci arbitration state bits:
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0b000: ARB_IDLE1
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0b001: ARB_IDLE2
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0b010: ARB_WB_ACK
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0b011: ARB_WB_WAT
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0b100: ARB_RB_ACK
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0b101: ARB_RB_WAT
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0b110: ARB_RB_END
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0b111: ARB_WB_END */
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#define SW_RESET_RDPCI_SM_MASK 0x00300000 /* read pci state bits:
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0b00: RD_PCI_WAT
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0b01: RD_PCI_RDY
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0b11: RD_PCI_ACK */
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#define SW_RESET_RDARB_SM_MASK 0x00C00000 /* read arbitration state bits:
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0b00: AD_IDL_RX
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0b01: AD_ACK_RX
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0b10: AD_ACK_TX
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0b11: AD_IDL_TX */
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#define SW_RESET_WRPCI_SM_MASK 0x06000000 /* write pci state bits
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0b00: WR_PCI_WAT
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0b01: WR_PCI_RDY
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0b11: WR_PCI_ACK */
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#define SW_RESET_WRARB_SM_MASK 0x38000000 /* write arbitration state bits:
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0b000: ARB_IDLE1
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0b001: ARB_IDLE2
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0b010: ARB_TX_ACK
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0b011: ARB_TX_WAT
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0b100: ARB_RX_ACK
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0b110: ARB_RX_WAT */
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/* Cassini only. 64-bit register used to check PCI datapath. when read,
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* value written has both lower and upper 32-bit halves rotated to the right
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* one bit position. e.g., FFFFFFFF FFFFFFFF -> 7FFFFFFF 7FFFFFFF
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*/
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#define REG_MINUS_BIM_DATAPATH_TEST 0x1018 /* Cassini: BIM datapath test
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Cassini+: reserved */
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/* output enables are provided for each device's chip select and for the rest
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* of the outputs from cassini to its local bus devices. two sw programmable
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* bits are connected to general purpus control/status bits.
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* DEFAULT: 0x7
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*/
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#define REG_BIM_LOCAL_DEV_EN 0x1020 /* BIM local device
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output EN. default: 0x7 */
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#define BIM_LOCAL_DEV_PAD 0x01 /* address bus, RW signal, and
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OE signal output enable on the
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local bus interface. these
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are shared between both local
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bus devices. tristate when 0. */
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#define BIM_LOCAL_DEV_PROM 0x02 /* PROM chip select */
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#define BIM_LOCAL_DEV_EXT 0x04 /* secondary local bus device chip
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select output enable */
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#define BIM_LOCAL_DEV_SOFT_0 0x08 /* sw programmable ctrl bit 0 */
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#define BIM_LOCAL_DEV_SOFT_1 0x10 /* sw programmable ctrl bit 1 */
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#define BIM_LOCAL_DEV_HW_RESET 0x20 /* internal hw reset. Cassini+ only. */
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/* access 24 entry BIM read and write buffers. put address in REG_BIM_BUFFER_ADDR
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* and read/write from/to it REG_BIM_BUFFER_DATA_LOW and _DATA_HI.
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* _DATA_HI should be the last access of the sequence.
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* DEFAULT: undefined
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*/
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#define REG_BIM_BUFFER_ADDR 0x1024 /* BIM buffer address. for
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purposes. */
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#define BIM_BUFFER_ADDR_MASK 0x3F /* index (0 - 23) of buffer */
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#define BIM_BUFFER_WR_SELECT 0x40 /* write buffer access = 1
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read buffer access = 0 */
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/* DEFAULT: undefined */
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#define REG_BIM_BUFFER_DATA_LOW 0x1028 /* BIM buffer data low */
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#define REG_BIM_BUFFER_DATA_HI 0x102C /* BIM buffer data high */
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/* set BIM_RAM_BIST_START to start built-in self test for BIM read buffer.
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* bit auto-clears when done with status read from _SUMMARY and _PASS bits.
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*/
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#define REG_BIM_RAM_BIST 0x102C /* BIM RAM (read buffer) BIST
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control/status */
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#define BIM_RAM_BIST_RD_START 0x01 /* start BIST for BIM read buffer */
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#define BIM_RAM_BIST_WR_START 0x02 /* start BIST for BIM write buffer.
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Cassini only. reserved in
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Cassini+. */
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#define BIM_RAM_BIST_RD_PASS 0x04 /* summary BIST pass status for read
|
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buffer. */
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#define BIM_RAM_BIST_WR_PASS 0x08 /* summary BIST pass status for write
|
||
|
|
buffer. Cassini only. reserved
|
||
|
|
in Cassini+. */
|
||
|
|
#define BIM_RAM_BIST_RD_LOW_PASS 0x10 /* read low bank passes BIST */
|
||
|
|
#define BIM_RAM_BIST_RD_HI_PASS 0x20 /* read high bank passes BIST */
|
||
|
|
#define BIM_RAM_BIST_WR_LOW_PASS 0x40 /* write low bank passes BIST.
|
||
|
|
Cassini only. reserved in
|
||
|
|
Cassini+. */
|
||
|
|
#define BIM_RAM_BIST_WR_HI_PASS 0x80 /* write high bank passes BIST.
|
||
|
|
Cassini only. reserved in
|
||
|
|
Cassini+. */
|
||
|
|
|
||
|
|
/* ASUN: i'm not sure what this does as it's not in the spec.
|
||
|
|
* DEFAULT: 0xFC
|
||
|
|
*/
|
||
|
|
#define REG_BIM_DIAG_MUX 0x1030 /* BIM diagnostic probe mux
|
||
|
|
select register */
|
||
|
|
|
||
|
|
/* enable probe monitoring mode and select data appearing on the P_A* bus. bit
|
||
|
|
* values for _SEL_HI_MASK and _SEL_LOW_MASK:
|
||
|
|
* 0x0: internal probe[7:0] (pci arb state, wtc empty w, wtc full w, wtc empty w,
|
||
|
|
* wtc empty r, post pci)
|
||
|
|
* 0x1: internal probe[15:8] (pci wbuf comp, pci wpkt comp, pci rbuf comp,
|
||
|
|
* pci rpkt comp, txdma wr req, txdma wr ack,
|
||
|
|
* txdma wr rdy, txdma wr xfr done)
|
||
|
|
* 0x2: internal probe[23:16] (txdma rd req, txdma rd ack, txdma rd rdy, rxdma rd,
|
||
|
|
* rd arb state, rd pci state)
|
||
|
|
* 0x3: internal probe[31:24] (rxdma req, rxdma ack, rxdma rdy, wrarb state,
|
||
|
|
* wrpci state)
|
||
|
|
* 0x4: pci io probe[7:0] 0x5: pci io probe[15:8]
|
||
|
|
* 0x6: pci io probe[23:16] 0x7: pci io probe[31:24]
|
||
|
|
* 0x8: pci io probe[39:32] 0x9: pci io probe[47:40]
|
||
|
|
* 0xa: pci io probe[55:48] 0xb: pci io probe[63:56]
|
||
|
|
* the following are not available in Cassini:
|
||
|
|
* 0xc: rx probe[7:0] 0xd: tx probe[7:0]
|
||
|
|
* 0xe: hp probe[7:0] 0xf: mac probe[7:0]
|
||
|
|
*/
|
||
|
|
#define REG_PLUS_PROBE_MUX_SELECT 0x1034 /* Cassini+: PROBE MUX SELECT */
|
||
|
|
#define PROBE_MUX_EN 0x80000000 /* allow probe signals to be
|
||
|
|
driven on local bus P_A[15:0]
|
||
|
|
for debugging */
|
||
|
|
#define PROBE_MUX_SUB_MUX_MASK 0x0000FF00 /* select sub module probe signals:
|
||
|
|
0x03 = mac[1:0]
|
||
|
|
0x0C = rx[1:0]
|
||
|
|
0x30 = tx[1:0]
|
||
|
|
0xC0 = hp[1:0] */
|
||
|
|
#define PROBE_MUX_SEL_HI_MASK 0x000000F0 /* select which module to appear
|
||
|
|
on P_A[15:8]. see above for
|
||
|
|
values. */
|
||
|
|
#define PROBE_MUX_SEL_LOW_MASK 0x0000000F /* select which module to appear
|
||
|
|
on P_A[7:0]. see above for
|
||
|
|
values. */
|
||
|
|
|
||
|
|
/* values mean the same thing as REG_INTR_MASK excep that it's for INTB.
|
||
|
|
DEFAULT: 0x1F */
|
||
|
|
#define REG_PLUS_INTR_MASK_1 0x1038 /* Cassini+: interrupt mask
|
||
|
|
register 2 for INTB */
|
||
|
|
#define REG_PLUS_INTRN_MASK(x) (REG_PLUS_INTR_MASK_1 + ((x) - 1)*16)
|
||
|
|
/* bits correspond to both _MASK and _STATUS registers. _ALT corresponds to
|
||
|
|
* all of the alternate (2-4) INTR registers while _1 corresponds to only
|
||
|
|
* _MASK_1 and _STATUS_1 registers.
|
||
|
|
* DEFAULT: 0x7 for MASK registers, 0x0 for ALIAS_CLEAR registers
|
||
|
|
*/
|
||
|
|
#define INTR_RX_DONE_ALT 0x01
|
||
|
|
#define INTR_RX_COMP_FULL_ALT 0x02
|
||
|
|
#define INTR_RX_COMP_AF_ALT 0x04
|
||
|
|
#define INTR_RX_BUF_UNAVAIL_1 0x08
|
||
|
|
#define INTR_RX_BUF_AE_1 0x10 /* almost empty */
|
||
|
|
#define INTRN_MASK_RX_EN 0x80
|
||
|
|
#define INTRN_MASK_CLEAR_ALL (INTR_RX_DONE_ALT | \
|
||
|
|
INTR_RX_COMP_FULL_ALT | \
|
||
|
|
INTR_RX_COMP_AF_ALT | \
|
||
|
|
INTR_RX_BUF_UNAVAIL_1 | \
|
||
|
|
INTR_RX_BUF_AE_1)
|
||
|
|
#define REG_PLUS_INTR_STATUS_1 0x103C /* Cassini+: interrupt status
|
||
|
|
register 2 for INTB. default: 0x1F */
|
||
|
|
#define REG_PLUS_INTRN_STATUS(x) (REG_PLUS_INTR_STATUS_1 + ((x) - 1)*16)
|
||
|
|
#define INTR_STATUS_ALT_INTX_EN 0x80 /* generate INTX when one of the
|
||
|
|
flags are set. enables desc ring. */
|
||
|
|
|
||
|
|
#define REG_PLUS_ALIAS_CLEAR_1 0x1040 /* Cassini+: alias clear mask
|
||
|
|
register 2 for INTB */
|
||
|
|
#define REG_PLUS_ALIASN_CLEAR(x) (REG_PLUS_ALIAS_CLEAR_1 + ((x) - 1)*16)
|
||
|
|
|
||
|
|
#define REG_PLUS_INTR_STATUS_ALIAS_1 0x1044 /* Cassini+: interrupt status
|
||
|
|
register alias 2 for INTB */
|
||
|
|
#define REG_PLUS_INTRN_STATUS_ALIAS(x) (REG_PLUS_INTR_STATUS_ALIAS_1 + ((x) - 1)*16)
|
||
|
|
|
||
|
|
#define REG_SATURN_PCFG 0x106c /* pin configuration register for
|
||
|
|
integrated macphy */
|
||
|
|
|
||
|
|
#define SATURN_PCFG_TLA 0x00000001 /* 1 = phy actled */
|
||
|
|
#define SATURN_PCFG_FLA 0x00000002 /* 1 = phy link10led */
|
||
|
|
#define SATURN_PCFG_CLA 0x00000004 /* 1 = phy link100led */
|
||
|
|
#define SATURN_PCFG_LLA 0x00000008 /* 1 = phy link1000led */
|
||
|
|
#define SATURN_PCFG_RLA 0x00000010 /* 1 = phy duplexled */
|
||
|
|
#define SATURN_PCFG_PDS 0x00000020 /* phy debug mode.
|
||
|
|
0 = normal */
|
||
|
|
#define SATURN_PCFG_MTP 0x00000080 /* test point select */
|
||
|
|
#define SATURN_PCFG_GMO 0x00000100 /* GMII observe. 1 =
|
||
|
|
GMII on SERDES pins for
|
||
|
|
monitoring. */
|
||
|
|
#define SATURN_PCFG_FSI 0x00000200 /* 1 = freeze serdes/gmii. all
|
||
|
|
pins configed as outputs.
|
||
|
|
for power saving when using
|
||
|
|
internal phy. */
|
||
|
|
#define SATURN_PCFG_LAD 0x00000800 /* 0 = mac core led ctrl
|
||
|
|
polarity from strapping
|
||
|
|
value.
|
||
|
|
1 = mac core led ctrl
|
||
|
|
polarity active low. */
|
||
|
|
|
||
|
|
|
||
|
|
/** transmit dma registers **/
|
||
|
|
#define MAX_TX_RINGS_SHIFT 2
|
||
|
|
#define MAX_TX_RINGS (1 << MAX_TX_RINGS_SHIFT)
|
||
|
|
#define MAX_TX_RINGS_MASK (MAX_TX_RINGS - 1)
|
||
|
|
|
||
|
|
/* TX configuration.
|
||
|
|
* descr ring sizes size = 32 * (1 << n), n < 9. e.g., 0x8 = 8k. default: 0x8
|
||
|
|
* DEFAULT: 0x3F000001
|
||
|
|
*/
|
||
|
|
#define REG_TX_CFG 0x2004 /* TX config */
|
||
|
|
#define TX_CFG_DMA_EN 0x00000001 /* enable TX DMA. if cleared, DMA
|
||
|
|
will stop after xfer of current
|
||
|
|
buffer has been completed. */
|
||
|
|
#define TX_CFG_FIFO_PIO_SEL 0x00000002 /* TX DMA FIFO can be
|
||
|
|
accessed w/ FIFO addr
|
||
|
|
and data registers.
|
||
|
|
TX DMA should be
|
||
|
|
disabled. */
|
||
|
|
#define TX_CFG_DESC_RING0_MASK 0x0000003C /* # desc entries in
|
||
|
|
ring 1. */
|
||
|
|
#define TX_CFG_DESC_RING0_SHIFT 2
|
||
|
|
#define TX_CFG_DESC_RINGN_MASK(a) (TX_CFG_DESC_RING0_MASK << (a)*4)
|
||
|
|
#define TX_CFG_DESC_RINGN_SHIFT(a) (TX_CFG_DESC_RING0_SHIFT + (a)*4)
|
||
|
|
#define TX_CFG_PACED_MODE 0x00100000 /* TX_ALL only set after
|
||
|
|
TX FIFO becomes empty.
|
||
|
|
if 0, TX_ALL set
|
||
|
|
if descr queue empty. */
|
||
|
|
#define TX_CFG_DMA_RDPIPE_DIS 0x01000000 /* always set to 1 */
|
||
|
|
#define TX_CFG_COMPWB_Q1 0x02000000 /* completion writeback happens at
|
||
|
|
the end of every packet kicked
|
||
|
|
through Q1. */
|
||
|
|
#define TX_CFG_COMPWB_Q2 0x04000000 /* completion writeback happens at
|
||
|
|
the end of every packet kicked
|
||
|
|
through Q2. */
|
||
|
|
#define TX_CFG_COMPWB_Q3 0x08000000 /* completion writeback happens at
|
||
|
|
the end of every packet kicked
|
||
|
|
through Q3 */
|
||
|
|
#define TX_CFG_COMPWB_Q4 0x10000000 /* completion writeback happens at
|
||
|
|
the end of every packet kicked
|
||
|
|
through Q4 */
|
||
|
|
#define TX_CFG_INTR_COMPWB_DIS 0x20000000 /* disable pre-interrupt completion
|
||
|
|
writeback */
|
||
|
|
#define TX_CFG_CTX_SEL_MASK 0xC0000000 /* selects tx test port
|
||
|
|
connection
|
||
|
|
0b00: tx mac req,
|
||
|
|
tx mac retry req,
|
||
|
|
tx ack and tx tag.
|
||
|
|
0b01: txdma rd req,
|
||
|
|
txdma rd ack,
|
||
|
|
txdma rd rdy,
|
||
|
|
txdma rd type0
|
||
|
|
0b11: txdma wr req,
|
||
|
|
txdma wr ack,
|
||
|
|
txdma wr rdy,
|
||
|
|
txdma wr xfr done. */
|
||
|
|
#define TX_CFG_CTX_SEL_SHIFT 30
|
||
|
|
|
||
|
|
/* 11-bit counters that point to next location in FIFO to be loaded/retrieved.
|
||
|
|
* used for diagnostics only.
|
||
|
|
*/
|
||
|
|
#define REG_TX_FIFO_WRITE_PTR 0x2014 /* TX FIFO write pointer */
|
||
|
|
#define REG_TX_FIFO_SHADOW_WRITE_PTR 0x2018 /* TX FIFO shadow write
|
||
|
|
pointer. temp hold reg.
|
||
|
|
diagnostics only. */
|
||
|
|
#define REG_TX_FIFO_READ_PTR 0x201C /* TX FIFO read pointer */
|
||
|
|
#define REG_TX_FIFO_SHADOW_READ_PTR 0x2020 /* TX FIFO shadow read
|
||
|
|
pointer */
|
||
|
|
|
||
|
|
/* (ro) 11-bit up/down counter w/ # of frames currently in TX FIFO */
|
||
|
|
#define REG_TX_FIFO_PKT_CNT 0x2024 /* TX FIFO packet counter */
|
||
|
|
|
||
|
|
/* current state of all state machines in TX */
|
||
|
|
#define REG_TX_SM_1 0x2028 /* TX state machine reg #1 */
|
||
|
|
#define TX_SM_1_CHAIN_MASK 0x000003FF /* chaining state machine */
|
||
|
|
#define TX_SM_1_CSUM_MASK 0x00000C00 /* checksum state machine */
|
||
|
|
#define TX_SM_1_FIFO_LOAD_MASK 0x0003F000 /* FIFO load state machine.
|
||
|
|
= 0x01 when TX disabled. */
|
||
|
|
#define TX_SM_1_FIFO_UNLOAD_MASK 0x003C0000 /* FIFO unload state machine */
|
||
|
|
#define TX_SM_1_CACHE_MASK 0x03C00000 /* desc. prefetch cache controller
|
||
|
|
state machine */
|
||
|
|
#define TX_SM_1_CBQ_ARB_MASK 0xF8000000 /* CBQ arbiter state machine */
|
||
|
|
|
||
|
|
#define REG_TX_SM_2 0x202C /* TX state machine reg #2 */
|
||
|
|
#define TX_SM_2_COMP_WB_MASK 0x07 /* completion writeback sm */
|
||
|
|
#define TX_SM_2_SUB_LOAD_MASK 0x38 /* sub load state machine */
|
||
|
|
#define TX_SM_2_KICK_MASK 0xC0 /* kick state machine */
|
||
|
|
|
||
|
|
/* 64-bit pointer to the transmit data buffer. only the 50 LSB are incremented
|
||
|
|
* while the upper 23 bits are taken from the TX descriptor
|
||
|
|
*/
|
||
|
|
#define REG_TX_DATA_PTR_LOW 0x2030 /* TX data pointer low */
|
||
|
|
#define REG_TX_DATA_PTR_HI 0x2034 /* TX data pointer high */
|
||
|
|
|
||
|
|
/* 13 bit registers written by driver w/ descriptor value that follows
|
||
|
|
* last valid xmit descriptor. kick # and complete # values are used by
|
||
|
|
* the xmit dma engine to control tx descr fetching. if > 1 valid
|
||
|
|
* tx descr is available within the cache line being read, cassini will
|
||
|
|
* internally cache up to 4 of them. 0 on reset. _KICK = rw, _COMP = ro.
|
||
|
|
*/
|
||
|
|
#define REG_TX_KICK0 0x2038 /* TX kick reg #1 */
|
||
|
|
#define REG_TX_KICKN(x) (REG_TX_KICK0 + (x)*4)
|
||
|
|
#define REG_TX_COMP0 0x2048 /* TX completion reg #1 */
|
||
|
|
#define REG_TX_COMPN(x) (REG_TX_COMP0 + (x)*4)
|
||
|
|
|
||
|
|
/* values of TX_COMPLETE_1-4 are written. each completion register
|
||
|
|
* is 2bytes in size and contiguous. 8B allocation w/ 8B alignment.
|
||
|
|
* NOTE: completion reg values are only written back prior to TX_INTME and
|
||
|
|
* TX_ALL interrupts. at all other times, the most up-to-date index values
|
||
|
|
* should be obtained from the REG_TX_COMPLETE_# registers.
|
||
|
|
* here's the layout:
|
||
|
|
* offset from base addr completion # byte
|
||
|
|
* 0 TX_COMPLETE_1_MSB
|
||
|
|
* 1 TX_COMPLETE_1_LSB
|
||
|
|
* 2 TX_COMPLETE_2_MSB
|
||
|
|
* 3 TX_COMPLETE_2_LSB
|
||
|
|
* 4 TX_COMPLETE_3_MSB
|
||
|
|
* 5 TX_COMPLETE_3_LSB
|
||
|
|
* 6 TX_COMPLETE_4_MSB
|
||
|
|
* 7 TX_COMPLETE_4_LSB
|
||
|
|
*/
|
||
|
|
#define TX_COMPWB_SIZE 8
|
||
|
|
#define REG_TX_COMPWB_DB_LOW 0x2058 /* TX completion write back
|
||
|
|
base low */
|
||
|
|
#define REG_TX_COMPWB_DB_HI 0x205C /* TX completion write back
|
||
|
|
base high */
|
||
|
|
#define TX_COMPWB_MSB_MASK 0x00000000000000FFULL
|
||
|
|
#define TX_COMPWB_MSB_SHIFT 0
|
||
|
|
#define TX_COMPWB_LSB_MASK 0x000000000000FF00ULL
|
||
|
|
#define TX_COMPWB_LSB_SHIFT 8
|
||
|
|
#define TX_COMPWB_NEXT(x) ((x) >> 16)
|
||
|
|
|
||
|
|
/* 53 MSB used as base address. 11 LSB assumed to be 0. TX desc pointer must
|
||
|
|
* be 2KB-aligned. */
|
||
|
|
#define REG_TX_DB0_LOW 0x2060 /* TX descriptor base low #1 */
|
||
|
|
#define REG_TX_DB0_HI 0x2064 /* TX descriptor base hi #1 */
|
||
|
|
#define REG_TX_DBN_LOW(x) (REG_TX_DB0_LOW + (x)*8)
|
||
|
|
#define REG_TX_DBN_HI(x) (REG_TX_DB0_HI + (x)*8)
|
||
|
|
|
||
|
|
/* 16-bit registers hold weights for the weighted round-robin of the
|
||
|
|
* four CBQ TX descr rings. weights correspond to # bytes xferred from
|
||
|
|
* host to TXFIFO in a round of WRR arbitration. can be set
|
||
|
|
* dynamically with new weights set upon completion of the current
|
||
|
|
* packet transfer from host memory to TXFIFO. a dummy write to any of
|
||
|
|
* these registers causes a queue1 pre-emption with all historical bw
|
||
|
|
* deficit data reset to 0 (useful when congestion requires a
|
||
|
|
* pre-emption/re-allocation of network bandwidth
|
||
|
|
*/
|
||
|
|
#define REG_TX_MAXBURST_0 0x2080 /* TX MaxBurst #1 */
|
||
|
|
#define REG_TX_MAXBURST_1 0x2084 /* TX MaxBurst #2 */
|
||
|
|
#define REG_TX_MAXBURST_2 0x2088 /* TX MaxBurst #3 */
|
||
|
|
#define REG_TX_MAXBURST_3 0x208C /* TX MaxBurst #4 */
|
||
|
|
|
||
|
|
/* diagnostics access to any TX FIFO location. every access is 65
|
||
|
|
* bits. _DATA_LOW = 32 LSB, _DATA_HI_T1/T0 = 32 MSB. _TAG = tag bit.
|
||
|
|
* writing _DATA_HI_T0 sets tag bit low, writing _DATA_HI_T1 sets tag
|
||
|
|
* bit high. TX_FIFO_PIO_SEL must be set for TX FIFO PIO access. if
|
||
|
|
* TX FIFO data integrity is desired, TX DMA should be
|
||
|
|
* disabled. _DATA_HI_Tx should be the last access of the sequence.
|
||
|
|
*/
|
||
|
|
#define REG_TX_FIFO_ADDR 0x2104 /* TX FIFO address */
|
||
|
|
#define REG_TX_FIFO_TAG 0x2108 /* TX FIFO tag */
|
||
|
|
#define REG_TX_FIFO_DATA_LOW 0x210C /* TX FIFO data low */
|
||
|
|
#define REG_TX_FIFO_DATA_HI_T1 0x2110 /* TX FIFO data high t1 */
|
||
|
|
#define REG_TX_FIFO_DATA_HI_T0 0x2114 /* TX FIFO data high t0 */
|
||
|
|
#define REG_TX_FIFO_SIZE 0x2118 /* (ro) TX FIFO size = 0x090 = 9KB */
|
||
|
|
|
||
|
|
/* 9-bit register controls BIST of TX FIFO. bit set indicates that the BIST
|
||
|
|
* passed for the specified memory
|
||
|
|
*/
|
||
|
|
#define REG_TX_RAMBIST 0x211C /* TX RAMBIST control/status */
|
||
|
|
#define TX_RAMBIST_STATE 0x01C0 /* progress state of RAMBIST
|
||
|
|
controller state machine */
|
||
|
|
#define TX_RAMBIST_RAM33A_PASS 0x0020 /* RAM33A passed */
|
||
|
|
#define TX_RAMBIST_RAM32A_PASS 0x0010 /* RAM32A passed */
|
||
|
|
#define TX_RAMBIST_RAM33B_PASS 0x0008 /* RAM33B passed */
|
||
|
|
#define TX_RAMBIST_RAM32B_PASS 0x0004 /* RAM32B passed */
|
||
|
|
#define TX_RAMBIST_SUMMARY 0x0002 /* all RAM passed */
|
||
|
|
#define TX_RAMBIST_START 0x0001 /* write 1 to start BIST. self
|
||
|
|
clears on completion. */
|
||
|
|
|
||
|
|
/** receive dma registers **/
|
||
|
|
#define MAX_RX_DESC_RINGS 2
|
||
|
|
#define MAX_RX_COMP_RINGS 4
|
||
|
|
|
||
|
|
/* receive DMA channel configuration. default: 0x80910
|
||
|
|
* free ring size = (1 << n)*32 -> [32 - 8k]
|
||
|
|
* completion ring size = (1 << n)*128 -> [128 - 32k], n < 9
|
||
|
|
* DEFAULT: 0x80910
|
||
|
|
*/
|
||
|
|
#define REG_RX_CFG 0x4000 /* RX config */
|
||
|
|
#define RX_CFG_DMA_EN 0x00000001 /* enable RX DMA. 0 stops
|
||
|
|
channel as soon as current
|
||
|
|
frame xfer has completed.
|
||
|
|
driver should disable MAC
|
||
|
|
for 200ms before disabling
|
||
|
|
RX */
|
||
|
|
#define RX_CFG_DESC_RING_MASK 0x0000001E /* # desc entries in RX
|
||
|
|
free desc ring.
|
||
|
|
def: 0x8 = 8k */
|
||
|
|
#define RX_CFG_DESC_RING_SHIFT 1
|
||
|
|
#define RX_CFG_COMP_RING_MASK 0x000001E0 /* # desc entries in RX complete
|
||
|
|
ring. def: 0x8 = 32k */
|
||
|
|
#define RX_CFG_COMP_RING_SHIFT 5
|
||
|
|
#define RX_CFG_BATCH_DIS 0x00000200 /* disable receive desc
|
||
|
|
batching. def: 0x0 =
|
||
|
|
enabled */
|
||
|
|
#define RX_CFG_SWIVEL_MASK 0x00001C00 /* byte offset of the 1st
|
||
|
|
data byte of the packet
|
||
|
|
w/in 8 byte boundares.
|
||
|
|
this swivels the data
|
||
|
|
DMA'ed to header
|
||
|
|
buffers, jumbo buffers
|
||
|
|
when header split is not
|
||
|
|
requested and MTU sized
|
||
|
|
buffers. def: 0x2 */
|
||
|
|
#define RX_CFG_SWIVEL_SHIFT 10
|
||
|
|
|
||
|
|
/* cassini+ only */
|
||
|
|
#define RX_CFG_DESC_RING1_MASK 0x000F0000 /* # of desc entries in
|
||
|
|
RX free desc ring 2.
|
||
|
|
def: 0x8 = 8k */
|
||
|
|
#define RX_CFG_DESC_RING1_SHIFT 16
|
||
|
|
|
||
|
|
|
||
|
|
/* the page size register allows cassini chips to do the following with
|
||
|
|
* received data:
|
||
|
|
* [--------------------------------------------------------------] page
|
||
|
|
* [off][buf1][pad][off][buf2][pad][off][buf3][pad][off][buf4][pad]
|
||
|
|
* |--------------| = PAGE_SIZE_BUFFER_STRIDE
|
||
|
|
* page = PAGE_SIZE
|
||
|
|
* offset = PAGE_SIZE_MTU_OFF
|
||
|
|
* for the above example, MTU_BUFFER_COUNT = 4.
|
||
|
|
* NOTE: as is apparent, you need to ensure that the following holds:
|
||
|
|
* MTU_BUFFER_COUNT <= PAGE_SIZE/PAGE_SIZE_BUFFER_STRIDE
|
||
|
|
* DEFAULT: 0x48002002 (8k pages)
|
||
|
|
*/
|
||
|
|
#define REG_RX_PAGE_SIZE 0x4004 /* RX page size */
|
||
|
|
#define RX_PAGE_SIZE_MASK 0x00000003 /* size of pages pointed to
|
||
|
|
by receive descriptors.
|
||
|
|
if jumbo buffers are
|
||
|
|
supported the page size
|
||
|
|
should not be < 8k.
|
||
|
|
0b00 = 2k, 0b01 = 4k
|
||
|
|
0b10 = 8k, 0b11 = 16k
|
||
|
|
DEFAULT: 8k */
|
||
|
|
#define RX_PAGE_SIZE_SHIFT 0
|
||
|
|
#define RX_PAGE_SIZE_MTU_COUNT_MASK 0x00007800 /* # of MTU buffers the hw
|
||
|
|
packs into a page.
|
||
|
|
DEFAULT: 4 */
|
||
|
|
#define RX_PAGE_SIZE_MTU_COUNT_SHIFT 11
|
||
|
|
#define RX_PAGE_SIZE_MTU_STRIDE_MASK 0x18000000 /* # of bytes that separate
|
||
|
|
each MTU buffer +
|
||
|
|
offset from each
|
||
|
|
other.
|
||
|
|
0b00 = 1k, 0b01 = 2k
|
||
|
|
0b10 = 4k, 0b11 = 8k
|
||
|
|
DEFAULT: 0x1 */
|
||
|
|
#define RX_PAGE_SIZE_MTU_STRIDE_SHIFT 27
|
||
|
|
#define RX_PAGE_SIZE_MTU_OFF_MASK 0xC0000000 /* offset in each page that
|
||
|
|
hw writes the MTU buffer
|
||
|
|
into.
|
||
|
|
0b00 = 0,
|
||
|
|
0b01 = 64 bytes
|
||
|
|
0b10 = 96, 0b11 = 128
|
||
|
|
DEFAULT: 0x1 */
|
||
|
|
#define RX_PAGE_SIZE_MTU_OFF_SHIFT 30
|
||
|
|
|
||
|
|
/* 11-bit counter points to next location in RX FIFO to be loaded/read.
|
||
|
|
* shadow write pointers enable retries in case of early receive aborts.
|
||
|
|
* DEFAULT: 0x0. generated on 64-bit boundaries.
|
||
|
|
*/
|
||
|
|
#define REG_RX_FIFO_WRITE_PTR 0x4008 /* RX FIFO write pointer */
|
||
|
|
#define REG_RX_FIFO_READ_PTR 0x400C /* RX FIFO read pointer */
|
||
|
|
#define REG_RX_IPP_FIFO_SHADOW_WRITE_PTR 0x4010 /* RX IPP FIFO shadow write
|
||
|
|
pointer */
|
||
|
|
#define REG_RX_IPP_FIFO_SHADOW_READ_PTR 0x4014 /* RX IPP FIFO shadow read
|
||
|
|
pointer */
|
||
|
|
#define REG_RX_IPP_FIFO_READ_PTR 0x400C /* RX IPP FIFO read
|
||
|
|
pointer. (8-bit counter) */
|
||
|
|
|
||
|
|
/* current state of RX DMA state engines + other info
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_RX_DEBUG 0x401C /* RX debug */
|
||
|
|
#define RX_DEBUG_LOAD_STATE_MASK 0x0000000F /* load state machine w/ MAC:
|
||
|
|
0x0 = idle, 0x1 = load_bop
|
||
|
|
0x2 = load 1, 0x3 = load 2
|
||
|
|
0x4 = load 3, 0x5 = load 4
|
||
|
|
0x6 = last detect
|
||
|
|
0x7 = wait req
|
||
|
|
0x8 = wait req statuss 1st
|
||
|
|
0x9 = load st
|
||
|
|
0xa = bubble mac
|
||
|
|
0xb = error */
|
||
|
|
#define RX_DEBUG_LM_STATE_MASK 0x00000070 /* load state machine w/ HP and
|
||
|
|
RX FIFO:
|
||
|
|
0x0 = idle, 0x1 = hp xfr
|
||
|
|
0x2 = wait hp ready
|
||
|
|
0x3 = wait flow code
|
||
|
|
0x4 = fifo xfer
|
||
|
|
0x5 = make status
|
||
|
|
0x6 = csum ready
|
||
|
|
0x7 = error */
|
||
|
|
#define RX_DEBUG_FC_STATE_MASK 0x000000180 /* flow control state machine
|
||
|
|
w/ MAC:
|
||
|
|
0x0 = idle
|
||
|
|
0x1 = wait xoff ack
|
||
|
|
0x2 = wait xon
|
||
|
|
0x3 = wait xon ack */
|
||
|
|
#define RX_DEBUG_DATA_STATE_MASK 0x000001E00 /* unload data state machine
|
||
|
|
states:
|
||
|
|
0x0 = idle data
|
||
|
|
0x1 = header begin
|
||
|
|
0x2 = xfer header
|
||
|
|
0x3 = xfer header ld
|
||
|
|
0x4 = mtu begin
|
||
|
|
0x5 = xfer mtu
|
||
|
|
0x6 = xfer mtu ld
|
||
|
|
0x7 = jumbo begin
|
||
|
|
0x8 = xfer jumbo
|
||
|
|
0x9 = xfer jumbo ld
|
||
|
|
0xa = reas begin
|
||
|
|
0xb = xfer reas
|
||
|
|
0xc = flush tag
|
||
|
|
0xd = xfer reas ld
|
||
|
|
0xe = error
|
||
|
|
0xf = bubble idle */
|
||
|
|
#define RX_DEBUG_DESC_STATE_MASK 0x0001E000 /* unload desc state machine
|
||
|
|
states:
|
||
|
|
0x0 = idle desc
|
||
|
|
0x1 = wait ack
|
||
|
|
0x9 = wait ack 2
|
||
|
|
0x2 = fetch desc 1
|
||
|
|
0xa = fetch desc 2
|
||
|
|
0x3 = load ptrs
|
||
|
|
0x4 = wait dma
|
||
|
|
0x5 = wait ack batch
|
||
|
|
0x6 = post batch
|
||
|
|
0x7 = xfr done */
|
||
|
|
#define RX_DEBUG_INTR_READ_PTR_MASK 0x30000000 /* interrupt read ptr of the
|
||
|
|
interrupt queue */
|
||
|
|
#define RX_DEBUG_INTR_WRITE_PTR_MASK 0xC0000000 /* interrupt write pointer
|
||
|
|
of the interrupt queue */
|
||
|
|
|
||
|
|
/* flow control frames are emitted using two PAUSE thresholds:
|
||
|
|
* XOFF PAUSE uses pause time value pre-programmed in the Send PAUSE MAC reg
|
||
|
|
* XON PAUSE uses a pause time of 0. granularity of threshold is 64bytes.
|
||
|
|
* PAUSE thresholds defined in terms of FIFO occupancy and may be translated
|
||
|
|
* into FIFO vacancy using RX_FIFO_SIZE. setting ON will trigger XON frames
|
||
|
|
* when FIFO reaches 0. OFF threshold should not be > size of RX FIFO. max
|
||
|
|
* value is is 0x6F.
|
||
|
|
* DEFAULT: 0x00078
|
||
|
|
*/
|
||
|
|
#define REG_RX_PAUSE_THRESH 0x4020 /* RX pause thresholds */
|
||
|
|
#define RX_PAUSE_THRESH_QUANTUM 64
|
||
|
|
#define RX_PAUSE_THRESH_OFF_MASK 0x000001FF /* XOFF PAUSE emitted when
|
||
|
|
RX FIFO occupancy >
|
||
|
|
value*64B */
|
||
|
|
#define RX_PAUSE_THRESH_OFF_SHIFT 0
|
||
|
|
#define RX_PAUSE_THRESH_ON_MASK 0x001FF000 /* XON PAUSE emitted after
|
||
|
|
emitting XOFF PAUSE when RX
|
||
|
|
FIFO occupancy falls below
|
||
|
|
this value*64B. must be
|
||
|
|
< XOFF threshold. if =
|
||
|
|
RX_FIFO_SIZE< XON frames are
|
||
|
|
never emitted. */
|
||
|
|
#define RX_PAUSE_THRESH_ON_SHIFT 12
|
||
|
|
|
||
|
|
/* 13-bit register used to control RX desc fetching and intr generation. if 4+
|
||
|
|
* valid RX descriptors are available, Cassini will read 4 at a time.
|
||
|
|
* writing N means that all desc up to *but* excluding N are available. N must
|
||
|
|
* be a multiple of 4 (N % 4 = 0). first desc should be cache-line aligned.
|
||
|
|
* DEFAULT: 0 on reset
|
||
|
|
*/
|
||
|
|
#define REG_RX_KICK 0x4024 /* RX kick reg */
|
||
|
|
|
||
|
|
/* 8KB aligned 64-bit pointer to the base of the RX free/completion rings.
|
||
|
|
* lower 13 bits of the low register are hard-wired to 0.
|
||
|
|
*/
|
||
|
|
#define REG_RX_DB_LOW 0x4028 /* RX descriptor ring
|
||
|
|
base low */
|
||
|
|
#define REG_RX_DB_HI 0x402C /* RX descriptor ring
|
||
|
|
base hi */
|
||
|
|
#define REG_RX_CB_LOW 0x4030 /* RX completion ring
|
||
|
|
base low */
|
||
|
|
#define REG_RX_CB_HI 0x4034 /* RX completion ring
|
||
|
|
base hi */
|
||
|
|
/* 13-bit register indicate desc used by cassini for receive frames. used
|
||
|
|
* for diagnostic purposes.
|
||
|
|
* DEFAULT: 0 on reset
|
||
|
|
*/
|
||
|
|
#define REG_RX_COMP 0x4038 /* (ro) RX completion */
|
||
|
|
|
||
|
|
/* HEAD and TAIL are used to control RX desc posting and interrupt
|
||
|
|
* generation. hw moves the head register to pass ownership to sw. sw
|
||
|
|
* moves the tail register to pass ownership back to hw. to give all
|
||
|
|
* entries to hw, set TAIL = HEAD. if HEAD and TAIL indicate that no
|
||
|
|
* more entries are available, DMA will pause and an interrupt will be
|
||
|
|
* generated to indicate no more entries are available. sw can use
|
||
|
|
* this interrupt to reduce the # of times it must update the
|
||
|
|
* completion tail register.
|
||
|
|
* DEFAULT: 0 on reset
|
||
|
|
*/
|
||
|
|
#define REG_RX_COMP_HEAD 0x403C /* RX completion head */
|
||
|
|
#define REG_RX_COMP_TAIL 0x4040 /* RX completion tail */
|
||
|
|
|
||
|
|
/* values used for receive interrupt blanking. loaded each time the ISR is read
|
||
|
|
* DEFAULT: 0x00000000
|
||
|
|
*/
|
||
|
|
#define REG_RX_BLANK 0x4044 /* RX blanking register
|
||
|
|
for ISR read */
|
||
|
|
#define RX_BLANK_INTR_PKT_MASK 0x000001FF /* RX_DONE intr asserted if
|
||
|
|
this many sets of completion
|
||
|
|
writebacks (up to 2 packets)
|
||
|
|
occur since the last time
|
||
|
|
the ISR was read. 0 = no
|
||
|
|
packet blanking */
|
||
|
|
#define RX_BLANK_INTR_PKT_SHIFT 0
|
||
|
|
#define RX_BLANK_INTR_TIME_MASK 0x3FFFF000 /* RX_DONE interrupt asserted
|
||
|
|
if that many clocks were
|
||
|
|
counted since last time the
|
||
|
|
ISR was read.
|
||
|
|
each count is 512 core
|
||
|
|
clocks (125MHz). 0 = no
|
||
|
|
time blanking */
|
||
|
|
#define RX_BLANK_INTR_TIME_SHIFT 12
|
||
|
|
|
||
|
|
/* values used for interrupt generation based on threshold values of how
|
||
|
|
* many free desc and completion entries are available for hw use.
|
||
|
|
* DEFAULT: 0x00000000
|
||
|
|
*/
|
||
|
|
#define REG_RX_AE_THRESH 0x4048 /* RX almost empty
|
||
|
|
thresholds */
|
||
|
|
#define RX_AE_THRESH_FREE_MASK 0x00001FFF /* RX_BUF_AE will be
|
||
|
|
generated if # desc
|
||
|
|
avail for hw use <=
|
||
|
|
# */
|
||
|
|
#define RX_AE_THRESH_FREE_SHIFT 0
|
||
|
|
#define RX_AE_THRESH_COMP_MASK 0x0FFFE000 /* RX_COMP_AE will be
|
||
|
|
generated if # of
|
||
|
|
completion entries
|
||
|
|
avail for hw use <=
|
||
|
|
# */
|
||
|
|
#define RX_AE_THRESH_COMP_SHIFT 13
|
||
|
|
|
||
|
|
/* probabilities for random early drop (RED) thresholds on a FIFO threshold
|
||
|
|
* basis. probability should increase when the FIFO level increases. control
|
||
|
|
* packets are never dropped and not counted in stats. probability programmed
|
||
|
|
* on a 12.5% granularity. e.g., 0x1 = 1/8 packets dropped.
|
||
|
|
* DEFAULT: 0x00000000
|
||
|
|
*/
|
||
|
|
#define REG_RX_RED 0x404C /* RX random early detect enable */
|
||
|
|
#define RX_RED_4K_6K_FIFO_MASK 0x000000FF /* 4KB < FIFO thresh < 6KB */
|
||
|
|
#define RX_RED_6K_8K_FIFO_MASK 0x0000FF00 /* 6KB < FIFO thresh < 8KB */
|
||
|
|
#define RX_RED_8K_10K_FIFO_MASK 0x00FF0000 /* 8KB < FIFO thresh < 10KB */
|
||
|
|
#define RX_RED_10K_12K_FIFO_MASK 0xFF000000 /* 10KB < FIFO thresh < 12KB */
|
||
|
|
|
||
|
|
/* FIFO fullness levels for RX FIFO, RX control FIFO, and RX IPP FIFO.
|
||
|
|
* RX control FIFO = # of packets in RX FIFO.
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_RX_FIFO_FULLNESS 0x4050 /* (ro) RX FIFO fullness */
|
||
|
|
#define RX_FIFO_FULLNESS_RX_FIFO_MASK 0x3FF80000 /* level w/ 8B granularity */
|
||
|
|
#define RX_FIFO_FULLNESS_IPP_FIFO_MASK 0x0007FF00 /* level w/ 8B granularity */
|
||
|
|
#define RX_FIFO_FULLNESS_RX_PKT_MASK 0x000000FF /* # packets in RX FIFO */
|
||
|
|
#define REG_RX_IPP_PACKET_COUNT 0x4054 /* RX IPP packet counter */
|
||
|
|
#define REG_RX_WORK_DMA_PTR_LOW 0x4058 /* RX working DMA ptr low */
|
||
|
|
#define REG_RX_WORK_DMA_PTR_HI 0x405C /* RX working DMA ptr
|
||
|
|
high */
|
||
|
|
|
||
|
|
/* BIST testing ro RX FIFO, RX control FIFO, and RX IPP FIFO. only RX BIST
|
||
|
|
* START/COMPLETE is writeable. START will clear when the BIST has completed
|
||
|
|
* checking all 17 RAMS.
|
||
|
|
* DEFAULT: 0bxxxx xxxxx xxxx xxxx xxxx x000 0000 0000 00x0
|
||
|
|
*/
|
||
|
|
#define REG_RX_BIST 0x4060 /* (ro) RX BIST */
|
||
|
|
#define RX_BIST_32A_PASS 0x80000000 /* RX FIFO 32A passed */
|
||
|
|
#define RX_BIST_33A_PASS 0x40000000 /* RX FIFO 33A passed */
|
||
|
|
#define RX_BIST_32B_PASS 0x20000000 /* RX FIFO 32B passed */
|
||
|
|
#define RX_BIST_33B_PASS 0x10000000 /* RX FIFO 33B passed */
|
||
|
|
#define RX_BIST_32C_PASS 0x08000000 /* RX FIFO 32C passed */
|
||
|
|
#define RX_BIST_33C_PASS 0x04000000 /* RX FIFO 33C passed */
|
||
|
|
#define RX_BIST_IPP_32A_PASS 0x02000000 /* RX IPP FIFO 33B passed */
|
||
|
|
#define RX_BIST_IPP_33A_PASS 0x01000000 /* RX IPP FIFO 33A passed */
|
||
|
|
#define RX_BIST_IPP_32B_PASS 0x00800000 /* RX IPP FIFO 32B passed */
|
||
|
|
#define RX_BIST_IPP_33B_PASS 0x00400000 /* RX IPP FIFO 33B passed */
|
||
|
|
#define RX_BIST_IPP_32C_PASS 0x00200000 /* RX IPP FIFO 32C passed */
|
||
|
|
#define RX_BIST_IPP_33C_PASS 0x00100000 /* RX IPP FIFO 33C passed */
|
||
|
|
#define RX_BIST_CTRL_32_PASS 0x00800000 /* RX CTRL FIFO 32 passed */
|
||
|
|
#define RX_BIST_CTRL_33_PASS 0x00400000 /* RX CTRL FIFO 33 passed */
|
||
|
|
#define RX_BIST_REAS_26A_PASS 0x00200000 /* RX Reas 26A passed */
|
||
|
|
#define RX_BIST_REAS_26B_PASS 0x00100000 /* RX Reas 26B passed */
|
||
|
|
#define RX_BIST_REAS_27_PASS 0x00080000 /* RX Reas 27 passed */
|
||
|
|
#define RX_BIST_STATE_MASK 0x00078000 /* BIST state machine */
|
||
|
|
#define RX_BIST_SUMMARY 0x00000002 /* when BIST complete,
|
||
|
|
summary pass bit
|
||
|
|
contains AND of BIST
|
||
|
|
results of all 16
|
||
|
|
RAMS */
|
||
|
|
#define RX_BIST_START 0x00000001 /* write 1 to start
|
||
|
|
BIST. self clears
|
||
|
|
on completion. */
|
||
|
|
|
||
|
|
/* next location in RX CTRL FIFO that will be loaded w/ data from RX IPP/read
|
||
|
|
* from to retrieve packet control info.
|
||
|
|
* DEFAULT: 0
|
||
|
|
*/
|
||
|
|
#define REG_RX_CTRL_FIFO_WRITE_PTR 0x4064 /* (ro) RX control FIFO
|
||
|
|
write ptr */
|
||
|
|
#define REG_RX_CTRL_FIFO_READ_PTR 0x4068 /* (ro) RX control FIFO read
|
||
|
|
ptr */
|
||
|
|
|
||
|
|
/* receive interrupt blanking. loaded each time interrupt alias register is
|
||
|
|
* read.
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_RX_BLANK_ALIAS_READ 0x406C /* RX blanking register for
|
||
|
|
alias read */
|
||
|
|
#define RX_BAR_INTR_PACKET_MASK 0x000001FF /* assert RX_DONE if #
|
||
|
|
completion writebacks
|
||
|
|
> # since last ISR
|
||
|
|
read. 0 = no
|
||
|
|
blanking. up to 2
|
||
|
|
packets per
|
||
|
|
completion wb. */
|
||
|
|
#define RX_BAR_INTR_TIME_MASK 0x3FFFF000 /* assert RX_DONE if #
|
||
|
|
clocks > # since last
|
||
|
|
ISR read. each count
|
||
|
|
is 512 core clocks
|
||
|
|
(125MHz). 0 = no
|
||
|
|
blanking. */
|
||
|
|
|
||
|
|
/* diagnostic access to RX FIFO. 32 LSB accessed via DATA_LOW. 32 MSB accessed
|
||
|
|
* via DATA_HI_T0 or DATA_HI_T1. TAG reads the tag bit. writing HI_T0
|
||
|
|
* will unset the tag bit while writing HI_T1 will set the tag bit. to reset
|
||
|
|
* to normal operation after diagnostics, write to address location 0x0.
|
||
|
|
* RX_DMA_EN bit must be set to 0x0 for RX FIFO PIO access. DATA_HI should
|
||
|
|
* be the last write access of a write sequence.
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_RX_FIFO_ADDR 0x4080 /* RX FIFO address */
|
||
|
|
#define REG_RX_FIFO_TAG 0x4084 /* RX FIFO tag */
|
||
|
|
#define REG_RX_FIFO_DATA_LOW 0x4088 /* RX FIFO data low */
|
||
|
|
#define REG_RX_FIFO_DATA_HI_T0 0x408C /* RX FIFO data high T0 */
|
||
|
|
#define REG_RX_FIFO_DATA_HI_T1 0x4090 /* RX FIFO data high T1 */
|
||
|
|
|
||
|
|
/* diagnostic assess to RX CTRL FIFO. 8-bit FIFO_ADDR holds address of
|
||
|
|
* 81 bit control entry and 6 bit flow id. LOW and MID are both 32-bit
|
||
|
|
* accesses. HI is 7-bits with 6-bit flow id and 1 bit control
|
||
|
|
* word. RX_DMA_EN must be 0 for RX CTRL FIFO PIO access. DATA_HI
|
||
|
|
* should be last write access of the write sequence.
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_RX_CTRL_FIFO_ADDR 0x4094 /* RX Control FIFO and
|
||
|
|
Batching FIFO addr */
|
||
|
|
#define REG_RX_CTRL_FIFO_DATA_LOW 0x4098 /* RX Control FIFO data
|
||
|
|
low */
|
||
|
|
#define REG_RX_CTRL_FIFO_DATA_MID 0x409C /* RX Control FIFO data
|
||
|
|
mid */
|
||
|
|
#define REG_RX_CTRL_FIFO_DATA_HI 0x4100 /* RX Control FIFO data
|
||
|
|
hi and flow id */
|
||
|
|
#define RX_CTRL_FIFO_DATA_HI_CTRL 0x0001 /* upper bit of ctrl word */
|
||
|
|
#define RX_CTRL_FIFO_DATA_HI_FLOW_MASK 0x007E /* flow id */
|
||
|
|
|
||
|
|
/* diagnostic access to RX IPP FIFO. same semantics as RX_FIFO.
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_RX_IPP_FIFO_ADDR 0x4104 /* RX IPP FIFO address */
|
||
|
|
#define REG_RX_IPP_FIFO_TAG 0x4108 /* RX IPP FIFO tag */
|
||
|
|
#define REG_RX_IPP_FIFO_DATA_LOW 0x410C /* RX IPP FIFO data low */
|
||
|
|
#define REG_RX_IPP_FIFO_DATA_HI_T0 0x4110 /* RX IPP FIFO data high
|
||
|
|
T0 */
|
||
|
|
#define REG_RX_IPP_FIFO_DATA_HI_T1 0x4114 /* RX IPP FIFO data high
|
||
|
|
T1 */
|
||
|
|
|
||
|
|
/* 64-bit pointer to receive data buffer in host memory used for headers and
|
||
|
|
* small packets. MSB in high register. loaded by DMA state machine and
|
||
|
|
* increments as DMA writes receive data. only 50 LSB are incremented. top
|
||
|
|
* 13 bits taken from RX descriptor.
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_RX_HEADER_PAGE_PTR_LOW 0x4118 /* (ro) RX header page ptr
|
||
|
|
low */
|
||
|
|
#define REG_RX_HEADER_PAGE_PTR_HI 0x411C /* (ro) RX header page ptr
|
||
|
|
high */
|
||
|
|
#define REG_RX_MTU_PAGE_PTR_LOW 0x4120 /* (ro) RX MTU page pointer
|
||
|
|
low */
|
||
|
|
#define REG_RX_MTU_PAGE_PTR_HI 0x4124 /* (ro) RX MTU page pointer
|
||
|
|
high */
|
||
|
|
|
||
|
|
/* PIO diagnostic access to RX reassembly DMA Table RAM. 6-bit register holds
|
||
|
|
* one of 64 79-bit locations in the RX Reassembly DMA table and the addr of
|
||
|
|
* one of the 64 byte locations in the Batching table. LOW holds 32 LSB.
|
||
|
|
* MID holds the next 32 LSB. HIGH holds the 15 MSB. RX_DMA_EN must be set
|
||
|
|
* to 0 for PIO access. DATA_HIGH should be last write of write sequence.
|
||
|
|
* layout:
|
||
|
|
* reassmbl ptr [78:15] | reassmbl index [14:1] | reassmbl entry valid [0]
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_RX_TABLE_ADDR 0x4128 /* RX reassembly DMA table
|
||
|
|
address */
|
||
|
|
#define RX_TABLE_ADDR_MASK 0x0000003F /* address mask */
|
||
|
|
|
||
|
|
#define REG_RX_TABLE_DATA_LOW 0x412C /* RX reassembly DMA table
|
||
|
|
data low */
|
||
|
|
#define REG_RX_TABLE_DATA_MID 0x4130 /* RX reassembly DMA table
|
||
|
|
data mid */
|
||
|
|
#define REG_RX_TABLE_DATA_HI 0x4134 /* RX reassembly DMA table
|
||
|
|
data high */
|
||
|
|
|
||
|
|
/* cassini+ only */
|
||
|
|
/* 8KB aligned 64-bit pointer to base of RX rings. lower 13 bits hardwired to
|
||
|
|
* 0. same semantics as primary desc/complete rings.
|
||
|
|
*/
|
||
|
|
#define REG_PLUS_RX_DB1_LOW 0x4200 /* RX descriptor ring
|
||
|
|
2 base low */
|
||
|
|
#define REG_PLUS_RX_DB1_HI 0x4204 /* RX descriptor ring
|
||
|
|
2 base high */
|
||
|
|
#define REG_PLUS_RX_CB1_LOW 0x4208 /* RX completion ring
|
||
|
|
2 base low. 4 total */
|
||
|
|
#define REG_PLUS_RX_CB1_HI 0x420C /* RX completion ring
|
||
|
|
2 base high. 4 total */
|
||
|
|
#define REG_PLUS_RX_CBN_LOW(x) (REG_PLUS_RX_CB1_LOW + 8*((x) - 1))
|
||
|
|
#define REG_PLUS_RX_CBN_HI(x) (REG_PLUS_RX_CB1_HI + 8*((x) - 1))
|
||
|
|
#define REG_PLUS_RX_KICK1 0x4220 /* RX Kick 2 register */
|
||
|
|
#define REG_PLUS_RX_COMP1 0x4224 /* (ro) RX completion 2
|
||
|
|
reg */
|
||
|
|
#define REG_PLUS_RX_COMP1_HEAD 0x4228 /* (ro) RX completion 2
|
||
|
|
head reg. 4 total. */
|
||
|
|
#define REG_PLUS_RX_COMP1_TAIL 0x422C /* RX completion 2
|
||
|
|
tail reg. 4 total. */
|
||
|
|
#define REG_PLUS_RX_COMPN_HEAD(x) (REG_PLUS_RX_COMP1_HEAD + 8*((x) - 1))
|
||
|
|
#define REG_PLUS_RX_COMPN_TAIL(x) (REG_PLUS_RX_COMP1_TAIL + 8*((x) - 1))
|
||
|
|
#define REG_PLUS_RX_AE1_THRESH 0x4240 /* RX almost empty 2
|
||
|
|
thresholds */
|
||
|
|
#define RX_AE1_THRESH_FREE_MASK RX_AE_THRESH_FREE_MASK
|
||
|
|
#define RX_AE1_THRESH_FREE_SHIFT RX_AE_THRESH_FREE_SHIFT
|
||
|
|
|
||
|
|
/** header parser registers **/
|
||
|
|
|
||
|
|
/* RX parser configuration register.
|
||
|
|
* DEFAULT: 0x1651004
|
||
|
|
*/
|
||
|
|
#define REG_HP_CFG 0x4140 /* header parser
|
||
|
|
configuration reg */
|
||
|
|
#define HP_CFG_PARSE_EN 0x00000001 /* enab header parsing */
|
||
|
|
#define HP_CFG_NUM_CPU_MASK 0x000000FC /* # processors
|
||
|
|
0 = 64. 0x3f = 63 */
|
||
|
|
#define HP_CFG_NUM_CPU_SHIFT 2
|
||
|
|
#define HP_CFG_SYN_INC_MASK 0x00000100 /* SYN bit won't increment
|
||
|
|
TCP seq # by one when
|
||
|
|
stored in FDBM */
|
||
|
|
#define HP_CFG_TCP_THRESH_MASK 0x000FFE00 /* # bytes of TCP data
|
||
|
|
needed to be considered
|
||
|
|
for reassembly */
|
||
|
|
#define HP_CFG_TCP_THRESH_SHIFT 9
|
||
|
|
|
||
|
|
/* access to RX Instruction RAM. 5-bit register/counter holds addr
|
||
|
|
* of 39 bit entry to be read/written. 32 LSB in _DATA_LOW. 7 MSB in _DATA_HI.
|
||
|
|
* RX_DMA_EN must be 0 for RX instr PIO access. DATA_HI should be last access
|
||
|
|
* of sequence.
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_HP_INSTR_RAM_ADDR 0x4144 /* HP instruction RAM
|
||
|
|
address */
|
||
|
|
#define HP_INSTR_RAM_ADDR_MASK 0x01F /* 5-bit mask */
|
||
|
|
#define REG_HP_INSTR_RAM_DATA_LOW 0x4148 /* HP instruction RAM
|
||
|
|
data low */
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTMASK_MASK 0x0000FFFF
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTMASK_SHIFT 0
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTSHIFT_MASK 0x000F0000
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTSHIFT_SHIFT 16
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTEN_MASK 0x00300000
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTEN_SHIFT 20
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTARG_MASK 0xFFC00000
|
||
|
|
#define HP_INSTR_RAM_LOW_OUTARG_SHIFT 22
|
||
|
|
#define REG_HP_INSTR_RAM_DATA_MID 0x414C /* HP instruction RAM
|
||
|
|
data mid */
|
||
|
|
#define HP_INSTR_RAM_MID_OUTARG_MASK 0x00000003
|
||
|
|
#define HP_INSTR_RAM_MID_OUTARG_SHIFT 0
|
||
|
|
#define HP_INSTR_RAM_MID_OUTOP_MASK 0x0000003C
|
||
|
|
#define HP_INSTR_RAM_MID_OUTOP_SHIFT 2
|
||
|
|
#define HP_INSTR_RAM_MID_FNEXT_MASK 0x000007C0
|
||
|
|
#define HP_INSTR_RAM_MID_FNEXT_SHIFT 6
|
||
|
|
#define HP_INSTR_RAM_MID_FOFF_MASK 0x0003F800
|
||
|
|
#define HP_INSTR_RAM_MID_FOFF_SHIFT 11
|
||
|
|
#define HP_INSTR_RAM_MID_SNEXT_MASK 0x007C0000
|
||
|
|
#define HP_INSTR_RAM_MID_SNEXT_SHIFT 18
|
||
|
|
#define HP_INSTR_RAM_MID_SOFF_MASK 0x3F800000
|
||
|
|
#define HP_INSTR_RAM_MID_SOFF_SHIFT 23
|
||
|
|
#define HP_INSTR_RAM_MID_OP_MASK 0xC0000000
|
||
|
|
#define HP_INSTR_RAM_MID_OP_SHIFT 30
|
||
|
|
#define REG_HP_INSTR_RAM_DATA_HI 0x4150 /* HP instruction RAM
|
||
|
|
data high */
|
||
|
|
#define HP_INSTR_RAM_HI_VAL_MASK 0x0000FFFF
|
||
|
|
#define HP_INSTR_RAM_HI_VAL_SHIFT 0
|
||
|
|
#define HP_INSTR_RAM_HI_MASK_MASK 0xFFFF0000
|
||
|
|
#define HP_INSTR_RAM_HI_MASK_SHIFT 16
|
||
|
|
|
||
|
|
/* PIO access into RX Header parser data RAM and flow database.
|
||
|
|
* 11-bit register. Data fills the LSB portion of bus if less than 32 bits.
|
||
|
|
* DATA_RAM: write RAM_FDB_DATA with index to access DATA_RAM.
|
||
|
|
* RAM bytes = 4*(x - 1) + [3:0]. e.g., 0 -> [3:0], 31 -> [123:120]
|
||
|
|
* FLOWDB: write DATA_RAM_FDB register and then read/write FDB1-12 to access
|
||
|
|
* flow database.
|
||
|
|
* RX_DMA_EN must be 0 for RX parser RAM PIO access. RX Parser RAM data reg
|
||
|
|
* should be the last write access of the write sequence.
|
||
|
|
* DEFAULT: undefined
|
||
|
|
*/
|
||
|
|
#define REG_HP_DATA_RAM_FDB_ADDR 0x4154 /* HP data and FDB
|
||
|
|
RAM address */
|
||
|
|
#define HP_DATA_RAM_FDB_DATA_MASK 0x001F /* select 1 of 86 byte
|
||
|
|
locations in header
|
||
|
|
parser data ram to
|
||
|
|
read/write */
|
||
|
|
#define HP_DATA_RAM_FDB_FDB_MASK 0x3F00 /* 1 of 64 353-bit locations
|
||
|
|
in the flow database */
|
||
|
|
#define REG_HP_DATA_RAM_DATA 0x4158 /* HP data RAM data */
|
||
|
|
|
||
|
|
/* HP flow database registers: 1 - 12, 0x415C - 0x4188, 4 8-bit bytes
|
||
|
|
* FLOW_DB(1) = IP_SA[127:96], FLOW_DB(2) = IP_SA[95:64]
|
||
|
|
* FLOW_DB(3) = IP_SA[63:32], FLOW_DB(4) = IP_SA[31:0]
|
||
|
|
* FLOW_DB(5) = IP_DA[127:96], FLOW_DB(6) = IP_DA[95:64]
|
||
|
|
* FLOW_DB(7) = IP_DA[63:32], FLOW_DB(8) = IP_DA[31:0]
|
||
|
|
* FLOW_DB(9) = {TCP_SP[15:0],TCP_DP[15:0]}
|
||
|
|
* FLOW_DB(10) = bit 0 has value for flow valid
|
||
|
|
* FLOW_DB(11) = TCP_SEQ[63:32], FLOW_DB(12) = TCP_SEQ[31:0]
|
||
|
|
*/
|
||
|
|
#define REG_HP_FLOW_DB0 0x415C /* HP flow database 1 reg */
|
||
|
|
#define REG_HP_FLOW_DBN(x) (REG_HP_FLOW_DB0 + (x)*4)
|
||
|
|
|
||
|
|
/* diagnostics for RX Header Parser block.
|
||
|
|
* ASUN: the header parser state machine register is used for diagnostics
|
||
|
|
* purposes. however, the spec doesn't have any details on it.
|
||
|
|
*/
|
||
|
|
#define REG_HP_STATE_MACHINE 0x418C /* (ro) HP state machine */
|
||
|
|
#define REG_HP_STATUS0 0x4190 /* (ro) HP status 1 */
|
||
|
|
#define HP_STATUS0_SAP_MASK 0xFFFF0000 /* SAP */
|
||
|
|
#define HP_STATUS0_L3_OFF_MASK 0x0000FE00 /* L3 offset */
|
||
|
|
#define HP_STATUS0_LB_CPUNUM_MASK 0x000001F8 /* load balancing CPU
|
||
|
|
number */
|
||
|
|
#define HP_STATUS0_HRP_OPCODE_MASK 0x00000007 /* HRP opcode */
|
||
|
|
|
||
|
|
#define REG_HP_STATUS1 0x4194 /* (ro) HP status 2 */
|
||
|
|
#define HP_STATUS1_ACCUR2_MASK 0xE0000000 /* accu R2[6:4] */
|
||
|
|
#define HP_STATUS1_FLOWID_MASK 0x1F800000 /* flow id */
|
||
|
|
#define HP_STATUS1_TCP_OFF_MASK 0x007F0000 /* tcp payload offset */
|
||
|
|
#define HP_STATUS1_TCP_SIZE_MASK 0x0000FFFF /* tcp payload size */
|
||
|
|
|
||
|
|
#define REG_HP_STATUS2 0x4198 /* (ro) HP status 3 */
|
||
|
|
#define HP_STATUS2_ACCUR2_MASK 0xF0000000 /* accu R2[3:0] */
|
||
|
|
#define HP_STATUS2_CSUM_OFF_MASK 0x07F00000 /* checksum start
|
||
|
|
start offset */
|
||
|
|
#define HP_STATUS2_ACCUR1_MASK 0x000FE000 /* accu R1 */
|
||
|
|
#define HP_STATUS2_FORCE_DROP 0x00001000 /* force drop */
|
||
|
|
#define HP_STATUS2_BWO_REASSM 0x00000800 /* batching w/o
|
||
|
|
reassembly */
|
||
|
|
#define HP_STATUS2_JH_SPLIT_EN 0x00000400 /* jumbo header split
|
||
|
|
enable */
|
||
|
|
#define HP_STATUS2_FORCE_TCP_NOCHECK 0x00000200 /* force tcp no payload
|
||
|
|
check */
|
||
|
|
#define HP_STATUS2_DATA_MASK_ZERO 0x00000100 /* mask of data length
|
||
|
|
equal to zero */
|
||
|
|
#define HP_STATUS2_FORCE_TCP_CHECK 0x00000080 /* force tcp payload
|
||
|
|
chk */
|
||
|
|
#define HP_STATUS2_MASK_TCP_THRESH 0x00000040 /* mask of payload
|
||
|
|
threshold */
|
||
|
|
#define HP_STATUS2_NO_ASSIST 0x00000020 /* no assist */
|
||
|
|
#define HP_STATUS2_CTRL_PACKET_FLAG 0x00000010 /* control packet flag */
|
||
|
|
#define HP_STATUS2_TCP_FLAG_CHECK 0x00000008 /* tcp flag check */
|
||
|
|
#define HP_STATUS2_SYN_FLAG 0x00000004 /* syn flag */
|
||
|
|
#define HP_STATUS2_TCP_CHECK 0x00000002 /* tcp payload chk */
|
||
|
|
#define HP_STATUS2_TCP_NOCHECK 0x00000001 /* tcp no payload chk */
|
||
|
|
|
||
|
|
/* BIST for header parser(HP) and flow database memories (FDBM). set _START
|
||
|
|
* to start BIST. controller clears _START on completion. _START can also
|
||
|
|
* be cleared to force termination of BIST. a bit set indicates that that
|
||
|
|
* memory passed its BIST.
|
||
|
|
*/
|
||
|
|
#define REG_HP_RAM_BIST 0x419C /* HP RAM BIST reg */
|
||
|
|
#define HP_RAM_BIST_HP_DATA_PASS 0x80000000 /* HP data ram */
|
||
|
|
#define HP_RAM_BIST_HP_INSTR0_PASS 0x40000000 /* HP instr ram 0 */
|
||
|
|
#define HP_RAM_BIST_HP_INSTR1_PASS 0x20000000 /* HP instr ram 1 */
|
||
|
|
#define HP_RAM_BIST_HP_INSTR2_PASS 0x10000000 /* HP instr ram 2 */
|
||
|
|
#define HP_RAM_BIST_FDBM_AGE0_PASS 0x08000000 /* FDBM aging RAM0 */
|
||
|
|
#define HP_RAM_BIST_FDBM_AGE1_PASS 0x04000000 /* FDBM aging RAM1 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID00_PASS 0x02000000 /* FDBM flowid RAM0
|
||
|
|
bank 0 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID10_PASS 0x01000000 /* FDBM flowid RAM1
|
||
|
|
bank 0 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID20_PASS 0x00800000 /* FDBM flowid RAM2
|
||
|
|
bank 0 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID30_PASS 0x00400000 /* FDBM flowid RAM3
|
||
|
|
bank 0 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID01_PASS 0x00200000 /* FDBM flowid RAM0
|
||
|
|
bank 1 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID11_PASS 0x00100000 /* FDBM flowid RAM1
|
||
|
|
bank 2 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID21_PASS 0x00080000 /* FDBM flowid RAM2
|
||
|
|
bank 1 */
|
||
|
|
#define HP_RAM_BIST_FDBM_FLOWID31_PASS 0x00040000 /* FDBM flowid RAM3
|
||
|
|
bank 1 */
|
||
|
|
#define HP_RAM_BIST_FDBM_TCPSEQ_PASS 0x00020000 /* FDBM tcp sequence
|
||
|
|
RAM */
|
||
|
|
#define HP_RAM_BIST_SUMMARY 0x00000002 /* all BIST tests */
|
||
|
|
#define HP_RAM_BIST_START 0x00000001 /* start/stop BIST */
|
||
|
|
|
||
|
|
|
||
|
|
/** MAC registers. **/
|
||
|
|
/* reset bits are set using a PIO write and self-cleared after the command
|
||
|
|
* execution has completed.
|
||
|
|
*/
|
||
|
|
#define REG_MAC_TX_RESET 0x6000 /* TX MAC software reset
|
||
|
|
command (default: 0x0) */
|
||
|
|
#define REG_MAC_RX_RESET 0x6004 /* RX MAC software reset
|
||
|
|
command (default: 0x0) */
|
||
|
|
/* execute a pause flow control frame transmission
|
||
|
|
DEFAULT: 0x0XXXX */
|
||
|
|
#define REG_MAC_SEND_PAUSE 0x6008 /* send pause command reg */
|
||
|
|
#define MAC_SEND_PAUSE_TIME_MASK 0x0000FFFF /* value of pause time
|
||
|
|
to be sent on network
|
||
|
|
in units of slot
|
||
|
|
times */
|
||
|
|
#define MAC_SEND_PAUSE_SEND 0x00010000 /* send pause flow ctrl
|
||
|
|
frame on network */
|
||
|
|
|
||
|
|
/* bit set indicates that event occurred. auto-cleared when status register
|
||
|
|
* is read and have corresponding mask bits in mask register. events will
|
||
|
|
* trigger an interrupt if the corresponding mask bit is 0.
|
||
|
|
* status register default: 0x00000000
|
||
|
|
* mask register default = 0xFFFFFFFF on reset
|
||
|
|
*/
|
||
|
|
#define REG_MAC_TX_STATUS 0x6010 /* TX MAC status reg */
|
||
|
|
#define MAC_TX_FRAME_XMIT 0x0001 /* successful frame
|
||
|
|
transmision */
|
||
|
|
#define MAC_TX_UNDERRUN 0x0002 /* terminated frame
|
||
|
|
transmission due to
|
||
|
|
data starvation in the
|
||
|
|
xmit data path */
|
||
|
|
#define MAC_TX_MAX_PACKET_ERR 0x0004 /* frame exceeds max allowed
|
||
|
|
length passed to TX MAC
|
||
|
|
by the DMA engine */
|
||
|
|
#define MAC_TX_COLL_NORMAL 0x0008 /* rollover of the normal
|
||
|
|
collision counter */
|
||
|
|
#define MAC_TX_COLL_EXCESS 0x0010 /* rollover of the excessive
|
||
|
|
collision counter */
|
||
|
|
#define MAC_TX_COLL_LATE 0x0020 /* rollover of the late
|
||
|
|
collision counter */
|
||
|
|
#define MAC_TX_COLL_FIRST 0x0040 /* rollover of the first
|
||
|
|
collision counter */
|
||
|
|
#define MAC_TX_DEFER_TIMER 0x0080 /* rollover of the defer
|
||
|
|
timer */
|
||
|
|
#define MAC_TX_PEAK_ATTEMPTS 0x0100 /* rollover of the peak
|
||
|
|
attempts counter */
|
||
|
|
|
||
|
|
#define REG_MAC_RX_STATUS 0x6014 /* RX MAC status reg */
|
||
|
|
#define MAC_RX_FRAME_RECV 0x0001 /* successful receipt of
|
||
|
|
a frame */
|
||
|
|
#define MAC_RX_OVERFLOW 0x0002 /* dropped frame due to
|
||
|
|
RX FIFO overflow */
|
||
|
|
#define MAC_RX_FRAME_COUNT 0x0004 /* rollover of receive frame
|
||
|
|
counter */
|
||
|
|
#define MAC_RX_ALIGN_ERR 0x0008 /* rollover of alignment
|
||
|
|
error counter */
|
||
|
|
#define MAC_RX_CRC_ERR 0x0010 /* rollover of crc error
|
||
|
|
counter */
|
||
|
|
#define MAC_RX_LEN_ERR 0x0020 /* rollover of length
|
||
|
|
error counter */
|
||
|
|
#define MAC_RX_VIOL_ERR 0x0040 /* rollover of code
|
||
|
|
violation error */
|
||
|
|
|
||
|
|
/* DEFAULT: 0xXXXX0000 on reset */
|
||
|
|
#define REG_MAC_CTRL_STATUS 0x6018 /* MAC control status reg */
|
||
|
|
#define MAC_CTRL_PAUSE_RECEIVED 0x00000001 /* successful
|
||
|
|
reception of a
|
||
|
|
pause control
|
||
|
|
frame */
|
||
|
|
#define MAC_CTRL_PAUSE_STATE 0x00000002 /* MAC has made a
|
||
|
|
transition from
|
||
|
|
"not paused" to
|
||
|
|
"paused" */
|
||
|
|
#define MAC_CTRL_NOPAUSE_STATE 0x00000004 /* MAC has made a
|
||
|
|
transition from
|
||
|
|
"paused" to "not
|
||
|
|
paused" */
|
||
|
|
#define MAC_CTRL_PAUSE_TIME_MASK 0xFFFF0000 /* value of pause time
|
||
|
|
operand that was
|
||
|
|
received in the last
|
||
|
|
pause flow control
|
||
|
|
frame */
|
||
|
|
|
||
|
|
/* layout identical to TX MAC[8:0] */
|
||
|
|
#define REG_MAC_TX_MASK 0x6020 /* TX MAC mask reg */
|
||
|
|
/* layout identical to RX MAC[6:0] */
|
||
|
|
#define REG_MAC_RX_MASK 0x6024 /* RX MAC mask reg */
|
||
|
|
/* layout identical to CTRL MAC[2:0] */
|
||
|
|
#define REG_MAC_CTRL_MASK 0x6028 /* MAC control mask reg */
|
||
|
|
|
||
|
|
/* to ensure proper operation, CFG_EN must be cleared to 0 and a delay
|
||
|
|
* imposed before writes to other bits in the TX_MAC_CFG register or any of
|
||
|
|
* the MAC parameters is performed. delay dependent upon time required to
|
||
|
|
* transmit a maximum size frame (= MAC_FRAMESIZE_MAX*8/Mbps). e.g.,
|
||
|
|
* the delay for a 1518-byte frame on a 100Mbps network is 125us.
|
||
|
|
* alternatively, just poll TX_CFG_EN until it reads back as 0.
|
||
|
|
* NOTE: on half-duplex 1Gbps, TX_CFG_CARRIER_EXTEND and
|
||
|
|
* RX_CFG_CARRIER_EXTEND should be set and the SLOT_TIME register should
|
||
|
|
* be 0x200 (slot time of 512 bytes)
|
||
|
|
*/
|
||
|
|
#define REG_MAC_TX_CFG 0x6030 /* TX MAC config reg */
|
||
|
|
#define MAC_TX_CFG_EN 0x0001 /* enable TX MAC. 0 will
|
||
|
|
force TXMAC state
|
||
|
|
machine to remain in
|
||
|
|
idle state or to
|
||
|
|
transition to idle state
|
||
|
|
on completion of an
|
||
|
|
ongoing packet. */
|
||
|
|
#define MAC_TX_CFG_IGNORE_CARRIER 0x0002 /* disable CSMA/CD deferral
|
||
|
|
process. set to 1 when
|
||
|
|
full duplex and 0 when
|
||
|
|
half duplex */
|
||
|
|
#define MAC_TX_CFG_IGNORE_COLL 0x0004 /* disable CSMA/CD backoff
|
||
|
|
algorithm. set to 1 when
|
||
|
|
full duplex and 0 when
|
||
|
|
half duplex */
|
||
|
|
#define MAC_TX_CFG_IPG_EN 0x0008 /* enable extension of the
|
||
|
|
Rx-to-TX IPG. after
|
||
|
|
receiving a frame, TX
|
||
|
|
MAC will reset its
|
||
|
|
deferral process to
|
||
|
|
carrier sense for the
|
||
|
|
amount of time = IPG0 +
|
||
|
|
IPG1 and commit to
|
||
|
|
transmission for time
|
||
|
|
specified in IPG2. when
|
||
|
|
0 or when xmitting frames
|
||
|
|
back-to-pack (Tx-to-Tx
|
||
|
|
IPG), TX MAC ignores
|
||
|
|
IPG0 and will only use
|
||
|
|
IPG1 for deferral time.
|
||
|
|
IPG2 still used. */
|
||
|
|
#define MAC_TX_CFG_NEVER_GIVE_UP_EN 0x0010 /* TX MAC will not easily
|
||
|
|
give up on frame
|
||
|
|
xmission. if backoff
|
||
|
|
algorithm reaches the
|
||
|
|
ATTEMPT_LIMIT, it will
|
||
|
|
clear attempts counter
|
||
|
|
and continue trying to
|
||
|
|
send the frame as
|
||
|
|
specified by
|
||
|
|
GIVE_UP_LIM. when 0,
|
||
|
|
TX MAC will execute
|
||
|
|
standard CSMA/CD prot. */
|
||
|
|
#define MAC_TX_CFG_NEVER_GIVE_UP_LIM 0x0020 /* when set, TX MAC will
|
||
|
|
continue to try to xmit
|
||
|
|
until successful. when
|
||
|
|
0, TX MAC will continue
|
||
|
|
to try xmitting until
|
||
|
|
successful or backoff
|
||
|
|
algorithm reaches
|
||
|
|
ATTEMPT_LIMIT*16 */
|
||
|
|
#define MAC_TX_CFG_NO_BACKOFF 0x0040 /* modify CSMA/CD to disable
|
||
|
|
backoff algorithm. TX
|
||
|
|
MAC will not back off
|
||
|
|
after a xmission attempt
|
||
|
|
that resulted in a
|
||
|
|
collision. */
|
||
|
|
#define MAC_TX_CFG_SLOW_DOWN 0x0080 /* modify CSMA/CD so that
|
||
|
|
deferral process is reset
|
||
|
|
in response to carrier
|
||
|
|
sense during the entire
|
||
|
|
duration of IPG. TX MAC
|
||
|
|
will only commit to frame
|
||
|
|
xmission after frame
|
||
|
|
xmission has actually
|
||
|
|
begun. */
|
||
|
|
#define MAC_TX_CFG_NO_FCS 0x0100 /* TX MAC will not generate
|
||
|
|
CRC for all xmitted
|
||
|
|
packets. when clear, CRC
|
||
|
|
generation is dependent
|
||
|
|
upon NO_CRC bit in the
|
||
|
|
xmit control word from
|
||
|
|
TX DMA */
|
||
|
|
#define MAC_TX_CFG_CARRIER_EXTEND 0x0200 /* enables xmit part of the
|
||
|
|
carrier extension
|
||
|
|
feature. this allows for
|
||
|
|
longer collision domains
|
||
|
|
by extending the carrier
|
||
|
|
and collision window
|
||
|
|
from the end of FCS until
|
||
|
|
the end of the slot time
|
||
|
|
if necessary. Required
|
||
|
|
for half-duplex at 1Gbps,
|
||
|
|
clear otherwise. */
|
||
|
|
|
||
|
|
/* when CRC is not stripped, reassembly packets will not contain the CRC.
|
||
|
|
* these will be stripped by HRP because it reassembles layer 4 data, and the
|
||
|
|
* CRC is layer 2. however, non-reassembly packets will still contain the CRC
|
||
|
|
* when passed to the host. to ensure proper operation, need to wait 3.2ms
|
||
|
|
* after clearing RX_CFG_EN before writing to any other RX MAC registers
|
||
|
|
* or other MAC parameters. alternatively, poll RX_CFG_EN until it clears
|
||
|
|
* to 0. similary, HASH_FILTER_EN and ADDR_FILTER_EN have the same
|
||
|
|
* restrictions as CFG_EN.
|
||
|
|
*/
|
||
|
|
#define REG_MAC_RX_CFG 0x6034 /* RX MAC config reg */
|
||
|
|
#define MAC_RX_CFG_EN 0x0001 /* enable RX MAC */
|
||
|
|
#define MAC_RX_CFG_STRIP_PAD 0x0002 /* always program to 0.
|
||
|
|
feature not supported */
|
||
|
|
#define MAC_RX_CFG_STRIP_FCS 0x0004 /* RX MAC will strip the
|
||
|
|
last 4 bytes of a
|
||
|
|
received frame. */
|
||
|
|
#define MAC_RX_CFG_PROMISC_EN 0x0008 /* promiscuous mode */
|
||
|
|
#define MAC_RX_CFG_PROMISC_GROUP_EN 0x0010 /* accept all valid
|
||
|
|
multicast frames (group
|
||
|
|
bit in DA field set) */
|
||
|
|
#define MAC_RX_CFG_HASH_FILTER_EN 0x0020 /* use hash table to filter
|
||
|
|
multicast addresses */
|
||
|
|
#define MAC_RX_CFG_ADDR_FILTER_EN 0x0040 /* cause RX MAC to use
|
||
|
|
address filtering regs
|
||
|
|
to filter both unicast
|
||
|
|
and multicast
|
||
|
|
addresses */
|
||
|
|
#define MAC_RX_CFG_DISABLE_DISCARD 0x0080 /* pass errored frames to
|
||
|
|
RX DMA by setting BAD
|
||
|
|
bit but not Abort bit
|
||
|
|
in the status. CRC,
|
||
|
|
framing, and length errs
|
||
|
|
will not increment
|
||
|
|
error counters. frames
|
||
|
|
which don't match dest
|
||
|
|
addr will be passed up
|
||
|
|
w/ BAD bit set. */
|
||
|
|
#define MAC_RX_CFG_CARRIER_EXTEND 0x0100 /* enable reception of
|
||
|
|
packet bursts generated
|
||
|
|
by carrier extension
|
||
|
|
with packet bursting
|
||
|
|
senders. only applies
|
||
|
|
to half-duplex 1Gbps */
|
||
|
|
|
||
|
|
/* DEFAULT: 0x0 */
|
||
|
|
#define REG_MAC_CTRL_CFG 0x6038 /* MAC control config reg */
|
||
|
|
#define MAC_CTRL_CFG_SEND_PAUSE_EN 0x0001 /* respond to requests for
|
||
|
|
sending pause flow ctrl
|
||
|
|
frames */
|
||
|
|
#define MAC_CTRL_CFG_RECV_PAUSE_EN 0x0002 /* respond to received
|
||
|
|
pause flow ctrl frames */
|
||
|
|
#define MAC_CTRL_CFG_PASS_CTRL 0x0004 /* pass valid MAC ctrl
|
||
|
|
packets to RX DMA */
|
||
|
|
|
||
|
|
/* to ensure proper operation, a global initialization sequence should be
|
||
|
|
* performed when a loopback config is entered or exited. if programmed after
|
||
|
|
* a hw or global sw reset, RX/TX MAC software reset and initialization
|
||
|
|
* should be done to ensure stable clocking.
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_MAC_XIF_CFG 0x603C /* XIF config reg */
|
||
|
|
#define MAC_XIF_TX_MII_OUTPUT_EN 0x0001 /* enable output drivers
|
||
|
|
on MII xmit bus */
|
||
|
|
#define MAC_XIF_MII_INT_LOOPBACK 0x0002 /* loopback GMII xmit data
|
||
|
|
path to GMII recv data
|
||
|
|
path. phy mode register
|
||
|
|
clock selection must be
|
||
|
|
set to GMII mode and
|
||
|
|
GMII_MODE should be set
|
||
|
|
to 1. in loopback mode,
|
||
|
|
REFCLK will drive the
|
||
|
|
entire mac core. 0 for
|
||
|
|
normal operation. */
|
||
|
|
#define MAC_XIF_DISABLE_ECHO 0x0004 /* disables receive data
|
||
|
|
path during packet
|
||
|
|
xmission. clear to 0
|
||
|
|
in any full duplex mode,
|
||
|
|
in any loopback mode,
|
||
|
|
or in half-duplex SERDES
|
||
|
|
or SLINK modes. set when
|
||
|
|
in half-duplex when
|
||
|
|
using external phy. */
|
||
|
|
#define MAC_XIF_GMII_MODE 0x0008 /* MAC operates with GMII
|
||
|
|
clocks and datapath */
|
||
|
|
#define MAC_XIF_MII_BUFFER_OUTPUT_EN 0x0010 /* MII_BUF_EN pin. enable
|
||
|
|
external tristate buffer
|
||
|
|
on the MII receive
|
||
|
|
bus. */
|
||
|
|
#define MAC_XIF_LINK_LED 0x0020 /* LINKLED# active (low) */
|
||
|
|
#define MAC_XIF_FDPLX_LED 0x0040 /* FDPLXLED# active (low) */
|
||
|
|
|
||
|
|
#define REG_MAC_IPG0 0x6040 /* inter-packet gap0 reg.
|
||
|
|
recommended: 0x00 */
|
||
|
|
#define REG_MAC_IPG1 0x6044 /* inter-packet gap1 reg
|
||
|
|
recommended: 0x08 */
|
||
|
|
#define REG_MAC_IPG2 0x6048 /* inter-packet gap2 reg
|
||
|
|
recommended: 0x04 */
|
||
|
|
#define REG_MAC_SLOT_TIME 0x604C /* slot time reg
|
||
|
|
recommended: 0x40 */
|
||
|
|
#define REG_MAC_FRAMESIZE_MIN 0x6050 /* min frame size reg
|
||
|
|
recommended: 0x40 */
|
||
|
|
|
||
|
|
/* FRAMESIZE_MAX holds both the max frame size as well as the max burst size.
|
||
|
|
* recommended value: 0x2000.05EE
|
||
|
|
*/
|
||
|
|
#define REG_MAC_FRAMESIZE_MAX 0x6054 /* max frame size reg */
|
||
|
|
#define MAC_FRAMESIZE_MAX_BURST_MASK 0x3FFF0000 /* max burst size */
|
||
|
|
#define MAC_FRAMESIZE_MAX_BURST_SHIFT 16
|
||
|
|
#define MAC_FRAMESIZE_MAX_FRAME_MASK 0x00007FFF /* max frame size */
|
||
|
|
#define MAC_FRAMESIZE_MAX_FRAME_SHIFT 0
|
||
|
|
#define REG_MAC_PA_SIZE 0x6058 /* PA size reg. number of
|
||
|
|
preamble bytes that the
|
||
|
|
TX MAC will xmit at the
|
||
|
|
beginning of each frame
|
||
|
|
value should be 2 or
|
||
|
|
greater. recommended
|
||
|
|
value: 0x07 */
|
||
|
|
#define REG_MAC_JAM_SIZE 0x605C /* jam size reg. duration
|
||
|
|
of jam in units of media
|
||
|
|
byte time. recommended
|
||
|
|
value: 0x04 */
|
||
|
|
#define REG_MAC_ATTEMPT_LIMIT 0x6060 /* attempt limit reg. #
|
||
|
|
of attempts TX MAC will
|
||
|
|
make to xmit a frame
|
||
|
|
before it resets its
|
||
|
|
attempts counter. after
|
||
|
|
the limit has been
|
||
|
|
reached, TX MAC may or
|
||
|
|
may not drop the frame
|
||
|
|
dependent upon value
|
||
|
|
in TX_MAC_CFG.
|
||
|
|
recommended
|
||
|
|
value: 0x10 */
|
||
|
|
#define REG_MAC_CTRL_TYPE 0x6064 /* MAC control type reg.
|
||
|
|
type field of a MAC
|
||
|
|
ctrl frame. recommended
|
||
|
|
value: 0x8808 */
|
||
|
|
|
||
|
|
/* mac address registers: 0 - 44, 0x6080 - 0x6130, 4 8-bit bytes.
|
||
|
|
* register contains comparison
|
||
|
|
* 0 16 MSB of primary MAC addr [47:32] of DA field
|
||
|
|
* 1 16 middle bits "" [31:16] of DA field
|
||
|
|
* 2 16 LSB "" [15:0] of DA field
|
||
|
|
* 3*x 16MSB of alt MAC addr 1-15 [47:32] of DA field
|
||
|
|
* 4*x 16 middle bits "" [31:16]
|
||
|
|
* 5*x 16 LSB "" [15:0]
|
||
|
|
* 42 16 MSB of MAC CTRL addr [47:32] of DA.
|
||
|
|
* 43 16 middle bits "" [31:16]
|
||
|
|
* 44 16 LSB "" [15:0]
|
||
|
|
* MAC CTRL addr must be the reserved multicast addr for MAC CTRL frames.
|
||
|
|
* if there is a match, MAC will set the bit for alternative address
|
||
|
|
* filter pass [15]
|
||
|
|
|
||
|
|
* here is the map of registers given MAC address notation: a:b:c:d:e:f
|
||
|
|
* ab cd ef
|
||
|
|
* primary addr reg 2 reg 1 reg 0
|
||
|
|
* alt addr 1 reg 5 reg 4 reg 3
|
||
|
|
* alt addr x reg 5*x reg 4*x reg 3*x
|
||
|
|
* ctrl addr reg 44 reg 43 reg 42
|
||
|
|
*/
|
||
|
|
#define REG_MAC_ADDR0 0x6080 /* MAC address 0 reg */
|
||
|
|
#define REG_MAC_ADDRN(x) (REG_MAC_ADDR0 + (x)*4)
|
||
|
|
#define REG_MAC_ADDR_FILTER0 0x614C /* address filter 0 reg
|
||
|
|
[47:32] */
|
||
|
|
#define REG_MAC_ADDR_FILTER1 0x6150 /* address filter 1 reg
|
||
|
|
[31:16] */
|
||
|
|
#define REG_MAC_ADDR_FILTER2 0x6154 /* address filter 2 reg
|
||
|
|
[15:0] */
|
||
|
|
#define REG_MAC_ADDR_FILTER2_1_MASK 0x6158 /* address filter 2 and 1
|
||
|
|
mask reg. 8-bit reg
|
||
|
|
contains nibble mask for
|
||
|
|
reg 2 and 1. */
|
||
|
|
#define REG_MAC_ADDR_FILTER0_MASK 0x615C /* address filter 0 mask
|
||
|
|
reg */
|
||
|
|
|
||
|
|
/* hash table registers: 0 - 15, 0x6160 - 0x619C, 4 8-bit bytes
|
||
|
|
* 16-bit registers contain bits of the hash table.
|
||
|
|
* reg x -> [16*(15 - x) + 15 : 16*(15 - x)].
|
||
|
|
* e.g., 15 -> [15:0], 0 -> [255:240]
|
||
|
|
*/
|
||
|
|
#define REG_MAC_HASH_TABLE0 0x6160 /* hash table 0 reg */
|
||
|
|
#define REG_MAC_HASH_TABLEN(x) (REG_MAC_HASH_TABLE0 + (x)*4)
|
||
|
|
|
||
|
|
/* statistics registers. these registers generate an interrupt on
|
||
|
|
* overflow. recommended initialization: 0x0000. most are 16-bits except
|
||
|
|
* for PEAK_ATTEMPTS register which is 8 bits.
|
||
|
|
*/
|
||
|
|
#define REG_MAC_COLL_NORMAL 0x61A0 /* normal collision
|
||
|
|
counter. */
|
||
|
|
#define REG_MAC_COLL_FIRST 0x61A4 /* first attempt
|
||
|
|
successful collision
|
||
|
|
counter */
|
||
|
|
#define REG_MAC_COLL_EXCESS 0x61A8 /* excessive collision
|
||
|
|
counter */
|
||
|
|
#define REG_MAC_COLL_LATE 0x61AC /* late collision counter */
|
||
|
|
#define REG_MAC_TIMER_DEFER 0x61B0 /* defer timer. time base
|
||
|
|
is the media byte
|
||
|
|
clock/256 */
|
||
|
|
#define REG_MAC_ATTEMPTS_PEAK 0x61B4 /* peak attempts reg */
|
||
|
|
#define REG_MAC_RECV_FRAME 0x61B8 /* receive frame counter */
|
||
|
|
#define REG_MAC_LEN_ERR 0x61BC /* length error counter */
|
||
|
|
#define REG_MAC_ALIGN_ERR 0x61C0 /* alignment error counter */
|
||
|
|
#define REG_MAC_FCS_ERR 0x61C4 /* FCS error counter */
|
||
|
|
#define REG_MAC_RX_CODE_ERR 0x61C8 /* RX code violation
|
||
|
|
error counter */
|
||
|
|
|
||
|
|
/* misc registers */
|
||
|
|
#define REG_MAC_RANDOM_SEED 0x61CC /* random number seed reg.
|
||
|
|
10-bit register used as a
|
||
|
|
seed for the random number
|
||
|
|
generator for the CSMA/CD
|
||
|
|
backoff algorithm. only
|
||
|
|
programmed after power-on
|
||
|
|
reset and should be a
|
||
|
|
random value which has a
|
||
|
|
high likelihood of being
|
||
|
|
unique for each MAC
|
||
|
|
attached to a network
|
||
|
|
segment (e.g., 10 LSB of
|
||
|
|
MAC address) */
|
||
|
|
|
||
|
|
/* ASUN: there's a PAUSE_TIMER (ro) described, but it's not in the address
|
||
|
|
* map
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* 27-bit register has the current state for key state machines in the MAC */
|
||
|
|
#define REG_MAC_STATE_MACHINE 0x61D0 /* (ro) state machine reg */
|
||
|
|
#define MAC_SM_RLM_MASK 0x07800000
|
||
|
|
#define MAC_SM_RLM_SHIFT 23
|
||
|
|
#define MAC_SM_RX_FC_MASK 0x00700000
|
||
|
|
#define MAC_SM_RX_FC_SHIFT 20
|
||
|
|
#define MAC_SM_TLM_MASK 0x000F0000
|
||
|
|
#define MAC_SM_TLM_SHIFT 16
|
||
|
|
#define MAC_SM_ENCAP_SM_MASK 0x0000F000
|
||
|
|
#define MAC_SM_ENCAP_SM_SHIFT 12
|
||
|
|
#define MAC_SM_TX_REQ_MASK 0x00000C00
|
||
|
|
#define MAC_SM_TX_REQ_SHIFT 10
|
||
|
|
#define MAC_SM_TX_FC_MASK 0x000003C0
|
||
|
|
#define MAC_SM_TX_FC_SHIFT 6
|
||
|
|
#define MAC_SM_FIFO_WRITE_SEL_MASK 0x00000038
|
||
|
|
#define MAC_SM_FIFO_WRITE_SEL_SHIFT 3
|
||
|
|
#define MAC_SM_TX_FIFO_EMPTY_MASK 0x00000007
|
||
|
|
#define MAC_SM_TX_FIFO_EMPTY_SHIFT 0
|
||
|
|
|
||
|
|
/** MIF registers. the MIF can be programmed in either bit-bang or
|
||
|
|
* frame mode.
|
||
|
|
**/
|
||
|
|
#define REG_MIF_BIT_BANG_CLOCK 0x6200 /* MIF bit-bang clock.
|
||
|
|
1 -> 0 will generate a
|
||
|
|
rising edge. 0 -> 1 will
|
||
|
|
generate a falling edge. */
|
||
|
|
#define REG_MIF_BIT_BANG_DATA 0x6204 /* MIF bit-bang data. 1-bit
|
||
|
|
register generates data */
|
||
|
|
#define REG_MIF_BIT_BANG_OUTPUT_EN 0x6208 /* MIF bit-bang output
|
||
|
|
enable. enable when
|
||
|
|
xmitting data from MIF to
|
||
|
|
transceiver. */
|
||
|
|
|
||
|
|
/* 32-bit register serves as an instruction register when the MIF is
|
||
|
|
* programmed in frame mode. load this register w/ a valid instruction
|
||
|
|
* (as per IEEE 802.3u MII spec). poll this register to check for instruction
|
||
|
|
* execution completion. during a read operation, this register will also
|
||
|
|
* contain the 16-bit data returned by the tranceiver. unless specified
|
||
|
|
* otherwise, fields are considered "don't care" when polling for
|
||
|
|
* completion.
|
||
|
|
*/
|
||
|
|
#define REG_MIF_FRAME 0x620C /* MIF frame/output reg */
|
||
|
|
#define MIF_FRAME_START_MASK 0xC0000000 /* start of frame.
|
||
|
|
load w/ 01 when
|
||
|
|
issuing an instr */
|
||
|
|
#define MIF_FRAME_ST 0x40000000 /* STart of frame */
|
||
|
|
#define MIF_FRAME_OPCODE_MASK 0x30000000 /* opcode. 01 for a
|
||
|
|
write. 10 for a
|
||
|
|
read */
|
||
|
|
#define MIF_FRAME_OP_READ 0x20000000 /* read OPcode */
|
||
|
|
#define MIF_FRAME_OP_WRITE 0x10000000 /* write OPcode */
|
||
|
|
#define MIF_FRAME_PHY_ADDR_MASK 0x0F800000 /* phy address. when
|
||
|
|
issuing an instr,
|
||
|
|
this field should be
|
||
|
|
loaded w/ the XCVR
|
||
|
|
addr */
|
||
|
|
#define MIF_FRAME_PHY_ADDR_SHIFT 23
|
||
|
|
#define MIF_FRAME_REG_ADDR_MASK 0x007C0000 /* register address.
|
||
|
|
when issuing an instr,
|
||
|
|
addr of register
|
||
|
|
to be read/written */
|
||
|
|
#define MIF_FRAME_REG_ADDR_SHIFT 18
|
||
|
|
#define MIF_FRAME_TURN_AROUND_MSB 0x00020000 /* turn around, MSB.
|
||
|
|
when issuing an instr,
|
||
|
|
set this bit to 1 */
|
||
|
|
#define MIF_FRAME_TURN_AROUND_LSB 0x00010000 /* turn around, LSB.
|
||
|
|
when issuing an instr,
|
||
|
|
set this bit to 0.
|
||
|
|
when polling for
|
||
|
|
completion, 1 means
|
||
|
|
that instr execution
|
||
|
|
has been completed */
|
||
|
|
#define MIF_FRAME_DATA_MASK 0x0000FFFF /* instruction payload
|
||
|
|
load with 16-bit data
|
||
|
|
to be written in
|
||
|
|
transceiver reg for a
|
||
|
|
write. doesn't matter
|
||
|
|
in a read. when
|
||
|
|
polling for
|
||
|
|
completion, field is
|
||
|
|
"don't care" for write
|
||
|
|
and 16-bit data
|
||
|
|
returned by the
|
||
|
|
transceiver for a
|
||
|
|
read (if valid bit
|
||
|
|
is set) */
|
||
|
|
#define REG_MIF_CFG 0x6210 /* MIF config reg */
|
||
|
|
#define MIF_CFG_PHY_SELECT 0x0001 /* 1 -> select MDIO_1
|
||
|
|
0 -> select MDIO_0 */
|
||
|
|
#define MIF_CFG_POLL_EN 0x0002 /* enable polling
|
||
|
|
mechanism. if set,
|
||
|
|
BB_MODE should be 0 */
|
||
|
|
#define MIF_CFG_BB_MODE 0x0004 /* 1 -> bit-bang mode
|
||
|
|
0 -> frame mode */
|
||
|
|
#define MIF_CFG_POLL_REG_MASK 0x00F8 /* register address to be
|
||
|
|
used by polling mode.
|
||
|
|
only meaningful if POLL_EN
|
||
|
|
is set to 1 */
|
||
|
|
#define MIF_CFG_POLL_REG_SHIFT 3
|
||
|
|
#define MIF_CFG_MDIO_0 0x0100 /* (ro) dual purpose.
|
||
|
|
when MDIO_0 is idle,
|
||
|
|
1 -> tranceiver is
|
||
|
|
connected to MDIO_0.
|
||
|
|
when MIF is communicating
|
||
|
|
w/ MDIO_0 in bit-bang
|
||
|
|
mode, this bit indicates
|
||
|
|
the incoming bit stream
|
||
|
|
during a read op */
|
||
|
|
#define MIF_CFG_MDIO_1 0x0200 /* (ro) dual purpose.
|
||
|
|
when MDIO_1 is idle,
|
||
|
|
1 -> transceiver is
|
||
|
|
connected to MDIO_1.
|
||
|
|
when MIF is communicating
|
||
|
|
w/ MDIO_1 in bit-bang
|
||
|
|
mode, this bit indicates
|
||
|
|
the incoming bit stream
|
||
|
|
during a read op */
|
||
|
|
#define MIF_CFG_POLL_PHY_MASK 0x7C00 /* tranceiver address to
|
||
|
|
be polled */
|
||
|
|
#define MIF_CFG_POLL_PHY_SHIFT 10
|
||
|
|
|
||
|
|
/* 16-bit register used to determine which bits in the POLL_STATUS portion of
|
||
|
|
* the MIF_STATUS register will cause an interrupt. if a mask bit is 0,
|
||
|
|
* corresponding bit of the POLL_STATUS will generate a MIF interrupt when
|
||
|
|
* set. DEFAULT: 0xFFFF
|
||
|
|
*/
|
||
|
|
#define REG_MIF_MASK 0x6214 /* MIF mask reg */
|
||
|
|
|
||
|
|
/* 32-bit register used when in poll mode. auto-cleared after being read */
|
||
|
|
#define REG_MIF_STATUS 0x6218 /* MIF status reg */
|
||
|
|
#define MIF_STATUS_POLL_DATA_MASK 0xFFFF0000 /* poll data contains
|
||
|
|
the "latest image"
|
||
|
|
update of the XCVR
|
||
|
|
reg being read */
|
||
|
|
#define MIF_STATUS_POLL_DATA_SHIFT 16
|
||
|
|
#define MIF_STATUS_POLL_STATUS_MASK 0x0000FFFF /* poll status indicates
|
||
|
|
which bits in the
|
||
|
|
POLL_DATA field have
|
||
|
|
changed since the
|
||
|
|
MIF_STATUS reg was
|
||
|
|
last read */
|
||
|
|
#define MIF_STATUS_POLL_STATUS_SHIFT 0
|
||
|
|
|
||
|
|
/* 7-bit register has current state for all state machines in the MIF */
|
||
|
|
#define REG_MIF_STATE_MACHINE 0x621C /* MIF state machine reg */
|
||
|
|
#define MIF_SM_CONTROL_MASK 0x07 /* control state machine
|
||
|
|
state */
|
||
|
|
#define MIF_SM_EXECUTION_MASK 0x60 /* execution state machine
|
||
|
|
state */
|
||
|
|
|
||
|
|
/** PCS/Serialink. the following registers are equivalent to the standard
|
||
|
|
* MII management registers except that they're directly mapped in
|
||
|
|
* Cassini's register space.
|
||
|
|
**/
|
||
|
|
|
||
|
|
/* the auto-negotiation enable bit should be programmed the same at
|
||
|
|
* the link partner as in the local device to enable auto-negotiation to
|
||
|
|
* complete. when that bit is reprogrammed, auto-neg/manual config is
|
||
|
|
* restarted automatically.
|
||
|
|
* DEFAULT: 0x1040
|
||
|
|
*/
|
||
|
|
#define REG_PCS_MII_CTRL 0x9000 /* PCS MII control reg */
|
||
|
|
#define PCS_MII_CTRL_1000_SEL 0x0040 /* reads 1. ignored on
|
||
|
|
writes */
|
||
|
|
#define PCS_MII_CTRL_COLLISION_TEST 0x0080 /* COL signal at the PCS
|
||
|
|
to MAC interface is
|
||
|
|
activated regardless
|
||
|
|
of activity */
|
||
|
|
#define PCS_MII_CTRL_DUPLEX 0x0100 /* forced 0x0. PCS
|
||
|
|
behaviour same for
|
||
|
|
half and full dplx */
|
||
|
|
#define PCS_MII_RESTART_AUTONEG 0x0200 /* self clearing.
|
||
|
|
restart auto-
|
||
|
|
negotiation */
|
||
|
|
#define PCS_MII_ISOLATE 0x0400 /* read as 0. ignored
|
||
|
|
on writes */
|
||
|
|
#define PCS_MII_POWER_DOWN 0x0800 /* read as 0. ignored
|
||
|
|
on writes */
|
||
|
|
#define PCS_MII_AUTONEG_EN 0x1000 /* default 1. PCS goes
|
||
|
|
through automatic
|
||
|
|
link config before it
|
||
|
|
can be used. when 0,
|
||
|
|
link can be used
|
||
|
|
w/out any link config
|
||
|
|
phase */
|
||
|
|
#define PCS_MII_10_100_SEL 0x2000 /* read as 0. ignored on
|
||
|
|
writes */
|
||
|
|
#define PCS_MII_RESET 0x8000 /* reset PCS. self-clears
|
||
|
|
when done */
|
||
|
|
|
||
|
|
/* DEFAULT: 0x0108 */
|
||
|
|
#define REG_PCS_MII_STATUS 0x9004 /* PCS MII status reg */
|
||
|
|
#define PCS_MII_STATUS_EXTEND_CAP 0x0001 /* reads 0 */
|
||
|
|
#define PCS_MII_STATUS_JABBER_DETECT 0x0002 /* reads 0 */
|
||
|
|
#define PCS_MII_STATUS_LINK_STATUS 0x0004 /* 1 -> link up.
|
||
|
|
0 -> link down. 0 is
|
||
|
|
latched so that 0 is
|
||
|
|
kept until read. read
|
||
|
|
2x to determine if the
|
||
|
|
link has gone up again */
|
||
|
|
#define PCS_MII_STATUS_AUTONEG_ABLE 0x0008 /* reads 1 (able to perform
|
||
|
|
auto-neg) */
|
||
|
|
#define PCS_MII_STATUS_REMOTE_FAULT 0x0010 /* 1 -> remote fault detected
|
||
|
|
from received link code
|
||
|
|
word. only valid after
|
||
|
|
auto-neg completed */
|
||
|
|
#define PCS_MII_STATUS_AUTONEG_COMP 0x0020 /* 1 -> auto-negotiation
|
||
|
|
completed
|
||
|
|
0 -> auto-negotiation not
|
||
|
|
completed */
|
||
|
|
#define PCS_MII_STATUS_EXTEND_STATUS 0x0100 /* reads as 1. used as an
|
||
|
|
indication that this is
|
||
|
|
a 1000 Base-X PHY. writes
|
||
|
|
to it are ignored */
|
||
|
|
|
||
|
|
/* used during auto-negotiation.
|
||
|
|
* DEFAULT: 0x00E0
|
||
|
|
*/
|
||
|
|
#define REG_PCS_MII_ADVERT 0x9008 /* PCS MII advertisement
|
||
|
|
reg */
|
||
|
|
#define PCS_MII_ADVERT_FD 0x0020 /* advertise full duplex
|
||
|
|
1000 Base-X */
|
||
|
|
#define PCS_MII_ADVERT_HD 0x0040 /* advertise half-duplex
|
||
|
|
1000 Base-X */
|
||
|
|
#define PCS_MII_ADVERT_SYM_PAUSE 0x0080 /* advertise PAUSE
|
||
|
|
symmetric capability */
|
||
|
|
#define PCS_MII_ADVERT_ASYM_PAUSE 0x0100 /* advertises PAUSE
|
||
|
|
asymmetric capability */
|
||
|
|
#define PCS_MII_ADVERT_RF_MASK 0x3000 /* remote fault. write bit13
|
||
|
|
to optionally indicate to
|
||
|
|
link partner that chip is
|
||
|
|
going off-line. bit12 will
|
||
|
|
get set when signal
|
||
|
|
detect == FAIL and will
|
||
|
|
remain set until
|
||
|
|
successful negotiation */
|
||
|
|
#define PCS_MII_ADVERT_ACK 0x4000 /* (ro) */
|
||
|
|
#define PCS_MII_ADVERT_NEXT_PAGE 0x8000 /* (ro) forced 0x0 */
|
||
|
|
|
||
|
|
/* contents updated as a result of autonegotiation. layout and definitions
|
||
|
|
* identical to PCS_MII_ADVERT
|
||
|
|
*/
|
||
|
|
#define REG_PCS_MII_LPA 0x900C /* PCS MII link partner
|
||
|
|
ability reg */
|
||
|
|
#define PCS_MII_LPA_FD PCS_MII_ADVERT_FD
|
||
|
|
#define PCS_MII_LPA_HD PCS_MII_ADVERT_HD
|
||
|
|
#define PCS_MII_LPA_SYM_PAUSE PCS_MII_ADVERT_SYM_PAUSE
|
||
|
|
#define PCS_MII_LPA_ASYM_PAUSE PCS_MII_ADVERT_ASYM_PAUSE
|
||
|
|
#define PCS_MII_LPA_RF_MASK PCS_MII_ADVERT_RF_MASK
|
||
|
|
#define PCS_MII_LPA_ACK PCS_MII_ADVERT_ACK
|
||
|
|
#define PCS_MII_LPA_NEXT_PAGE PCS_MII_ADVERT_NEXT_PAGE
|
||
|
|
|
||
|
|
/* DEFAULT: 0x0 */
|
||
|
|
#define REG_PCS_CFG 0x9010 /* PCS config reg */
|
||
|
|
#define PCS_CFG_EN 0x01 /* enable PCS. must be
|
||
|
|
0 when modifying
|
||
|
|
PCS_MII_ADVERT */
|
||
|
|
#define PCS_CFG_SD_OVERRIDE 0x02 /* sets signal detect to
|
||
|
|
OK. bit is
|
||
|
|
non-resettable */
|
||
|
|
#define PCS_CFG_SD_ACTIVE_LOW 0x04 /* changes interpretation
|
||
|
|
of optical signal to make
|
||
|
|
signal detect okay when
|
||
|
|
signal is low */
|
||
|
|
#define PCS_CFG_JITTER_STUDY_MASK 0x18 /* used to make jitter
|
||
|
|
measurements. a single
|
||
|
|
code group is xmitted
|
||
|
|
regularly.
|
||
|
|
0x0 = normal operation
|
||
|
|
0x1 = high freq test
|
||
|
|
pattern, D21.5
|
||
|
|
0x2 = low freq test
|
||
|
|
pattern, K28.7
|
||
|
|
0x3 = reserved */
|
||
|
|
#define PCS_CFG_10MS_TIMER_OVERRIDE 0x20 /* shortens 10-20ms auto-
|
||
|
|
negotiation timer to
|
||
|
|
a few cycles for test
|
||
|
|
purposes */
|
||
|
|
|
||
|
|
/* used for diagnostic purposes. bits 20-22 autoclear on read */
|
||
|
|
#define REG_PCS_STATE_MACHINE 0x9014 /* (ro) PCS state machine
|
||
|
|
and diagnostic reg */
|
||
|
|
#define PCS_SM_TX_STATE_MASK 0x0000000F /* 0 and 1 indicate
|
||
|
|
xmission of idle.
|
||
|
|
otherwise, xmission of
|
||
|
|
a packet */
|
||
|
|
#define PCS_SM_RX_STATE_MASK 0x000000F0 /* 0 indicates reception
|
||
|
|
of idle. otherwise,
|
||
|
|
reception of packet */
|
||
|
|
#define PCS_SM_WORD_SYNC_STATE_MASK 0x00000700 /* 0 indicates loss of
|
||
|
|
sync */
|
||
|
|
#define PCS_SM_SEQ_DETECT_STATE_MASK 0x00001800 /* cycling through 0-3
|
||
|
|
indicates reception of
|
||
|
|
Config codes. cycling
|
||
|
|
through 0-1 indicates
|
||
|
|
reception of idles */
|
||
|
|
#define PCS_SM_LINK_STATE_MASK 0x0001E000
|
||
|
|
#define SM_LINK_STATE_UP 0x00016000 /* link state is up */
|
||
|
|
|
||
|
|
#define PCS_SM_LOSS_LINK_C 0x00100000 /* loss of link due to
|
||
|
|
recept of Config
|
||
|
|
codes */
|
||
|
|
#define PCS_SM_LOSS_LINK_SYNC 0x00200000 /* loss of link due to
|
||
|
|
loss of sync */
|
||
|
|
#define PCS_SM_LOSS_SIGNAL_DETECT 0x00400000 /* signal detect goes
|
||
|
|
from OK to FAIL. bit29
|
||
|
|
will also be set if
|
||
|
|
this is set */
|
||
|
|
#define PCS_SM_NO_LINK_BREAKLINK 0x01000000 /* link not up due to
|
||
|
|
receipt of breaklink
|
||
|
|
C codes from partner.
|
||
|
|
C codes w/ 0 content
|
||
|
|
received triggering
|
||
|
|
start/restart of
|
||
|
|
autonegotiation.
|
||
|
|
should be sent for
|
||
|
|
no longer than 20ms */
|
||
|
|
#define PCS_SM_NO_LINK_SERDES 0x02000000 /* serdes being
|
||
|
|
initialized. see serdes
|
||
|
|
state reg */
|
||
|
|
#define PCS_SM_NO_LINK_C 0x04000000 /* C codes not stable or
|
||
|
|
not received */
|
||
|
|
#define PCS_SM_NO_LINK_SYNC 0x08000000 /* word sync not
|
||
|
|
achieved */
|
||
|
|
#define PCS_SM_NO_LINK_WAIT_C 0x10000000 /* waiting for C codes
|
||
|
|
w/ ack bit set */
|
||
|
|
#define PCS_SM_NO_LINK_NO_IDLE 0x20000000 /* link partner continues
|
||
|
|
to send C codes
|
||
|
|
instead of idle
|
||
|
|
symbols or pkt data */
|
||
|
|
|
||
|
|
/* this register indicates interrupt changes in specific PCS MII status bits.
|
||
|
|
* PCS_INT may be masked at the ISR level. only a single bit is implemented
|
||
|
|
* for link status change.
|
||
|
|
*/
|
||
|
|
#define REG_PCS_INTR_STATUS 0x9018 /* PCS interrupt status */
|
||
|
|
#define PCS_INTR_STATUS_LINK_CHANGE 0x04 /* link status has changed
|
||
|
|
since last read */
|
||
|
|
|
||
|
|
/* control which network interface is used. no more than one bit should
|
||
|
|
* be set.
|
||
|
|
* DEFAULT: none
|
||
|
|
*/
|
||
|
|
#define REG_PCS_DATAPATH_MODE 0x9050 /* datapath mode reg */
|
||
|
|
#define PCS_DATAPATH_MODE_MII 0x00 /* PCS is not used and
|
||
|
|
MII/GMII is selected.
|
||
|
|
selection between MII and
|
||
|
|
GMII is controlled by
|
||
|
|
XIF_CFG */
|
||
|
|
#define PCS_DATAPATH_MODE_SERDES 0x02 /* PCS is used via the
|
||
|
|
10-bit interface */
|
||
|
|
|
||
|
|
/* input to serdes chip or serialink block */
|
||
|
|
#define REG_PCS_SERDES_CTRL 0x9054 /* serdes control reg */
|
||
|
|
#define PCS_SERDES_CTRL_LOOPBACK 0x01 /* enable loopback on
|
||
|
|
serdes interface */
|
||
|
|
#define PCS_SERDES_CTRL_SYNCD_EN 0x02 /* enable sync carrier
|
||
|
|
detection. should be
|
||
|
|
0x0 for normal
|
||
|
|
operation */
|
||
|
|
#define PCS_SERDES_CTRL_LOCKREF 0x04 /* frequency-lock RBC[0:1]
|
||
|
|
to REFCLK when set.
|
||
|
|
when clear, receiver
|
||
|
|
clock locks to incoming
|
||
|
|
serial data */
|
||
|
|
|
||
|
|
/* multiplex test outputs into the PROM address (PA_3 through PA_0) pins.
|
||
|
|
* should be 0x0 for normal operations.
|
||
|
|
* 0b000 normal operation, PROM address[3:0] selected
|
||
|
|
* 0b001 rxdma req, rxdma ack, rxdma ready, rxdma read
|
||
|
|
* 0b010 rxmac req, rx ack, rx tag, rx clk shared
|
||
|
|
* 0b011 txmac req, tx ack, tx tag, tx retry req
|
||
|
|
* 0b100 tx tp3, tx tp2, tx tp1, tx tp0
|
||
|
|
* 0b101 R period RX, R period TX, R period HP, R period BIM
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_PCS_SHARED_OUTPUT_SEL 0x9058 /* shared output select */
|
||
|
|
#define PCS_SOS_PROM_ADDR_MASK 0x0007
|
||
|
|
|
||
|
|
/* used for diagnostics. this register indicates progress of the SERDES
|
||
|
|
* boot up.
|
||
|
|
* 0b00 undergoing reset
|
||
|
|
* 0b01 waiting 500us while lockrefn is asserted
|
||
|
|
* 0b10 waiting for comma detect
|
||
|
|
* 0b11 receive data is synchronized
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_PCS_SERDES_STATE 0x905C /* (ro) serdes state */
|
||
|
|
#define PCS_SERDES_STATE_MASK 0x03
|
||
|
|
|
||
|
|
/* used for diagnostics. indicates number of packets transmitted or received.
|
||
|
|
* counters rollover w/out generating an interrupt.
|
||
|
|
* DEFAULT: 0x0
|
||
|
|
*/
|
||
|
|
#define REG_PCS_PACKET_COUNT 0x9060 /* (ro) PCS packet counter */
|
||
|
|
#define PCS_PACKET_COUNT_TX 0x000007FF /* pkts xmitted by PCS */
|
||
|
|
#define PCS_PACKET_COUNT_RX 0x07FF0000 /* pkts recvd by PCS
|
||
|
|
whether they
|
||
|
|
encountered an error
|
||
|
|
or not */
|
||
|
|
|
||
|
|
/** LocalBus Devices. the following provides run-time access to the
|
||
|
|
* Cassini's PROM
|
||
|
|
***/
|
||
|
|
#define REG_EXPANSION_ROM_RUN_START 0x100000 /* expansion rom run time
|
||
|
|
access */
|
||
|
|
#define REG_EXPANSION_ROM_RUN_END 0x17FFFF
|
||
|
|
|
||
|
|
#define REG_SECOND_LOCALBUS_START 0x180000 /* secondary local bus
|
||
|
|
device */
|
||
|
|
#define REG_SECOND_LOCALBUS_END 0x1FFFFF
|
||
|
|
|
||
|
|
/* entropy device */
|
||
|
|
#define REG_ENTROPY_START REG_SECOND_LOCALBUS_START
|
||
|
|
#define REG_ENTROPY_DATA (REG_ENTROPY_START + 0x00)
|
||
|
|
#define REG_ENTROPY_STATUS (REG_ENTROPY_START + 0x04)
|
||
|
|
#define ENTROPY_STATUS_DRDY 0x01
|
||
|
|
#define ENTROPY_STATUS_BUSY 0x02
|
||
|
|
#define ENTROPY_STATUS_CIPHER 0x04
|
||
|
|
#define ENTROPY_STATUS_BYPASS_MASK 0x18
|
||
|
|
#define REG_ENTROPY_MODE (REG_ENTROPY_START + 0x05)
|
||
|
|
#define ENTROPY_MODE_KEY_MASK 0x07
|
||
|
|
#define ENTROPY_MODE_ENCRYPT 0x40
|
||
|
|
#define REG_ENTROPY_RAND_REG (REG_ENTROPY_START + 0x06)
|
||
|
|
#define REG_ENTROPY_RESET (REG_ENTROPY_START + 0x07)
|
||
|
|
#define ENTROPY_RESET_DES_IO 0x01
|
||
|
|
#define ENTROPY_RESET_STC_MODE 0x02
|
||
|
|
#define ENTROPY_RESET_KEY_CACHE 0x04
|
||
|
|
#define ENTROPY_RESET_IV 0x08
|
||
|
|
#define REG_ENTROPY_IV (REG_ENTROPY_START + 0x08)
|
||
|
|
#define REG_ENTROPY_KEY0 (REG_ENTROPY_START + 0x10)
|
||
|
|
#define REG_ENTROPY_KEYN(x) (REG_ENTROPY_KEY0 + 4*(x))
|
||
|
|
|
||
|
|
/* phys of interest w/ their special mii registers */
|
||
|
|
#define PHY_LUCENT_B0 0x00437421
|
||
|
|
#define LUCENT_MII_REG 0x1F
|
||
|
|
|
||
|
|
#define PHY_NS_DP83065 0x20005c78
|
||
|
|
#define DP83065_MII_MEM 0x16
|
||
|
|
#define DP83065_MII_REGD 0x1D
|
||
|
|
#define DP83065_MII_REGE 0x1E
|
||
|
|
|
||
|
|
#define PHY_BROADCOM_5411 0x00206071
|
||
|
|
#define PHY_BROADCOM_B0 0x00206050
|
||
|
|
#define BROADCOM_MII_REG4 0x14
|
||
|
|
#define BROADCOM_MII_REG5 0x15
|
||
|
|
#define BROADCOM_MII_REG7 0x17
|
||
|
|
#define BROADCOM_MII_REG8 0x18
|
||
|
|
|
||
|
|
#define CAS_MII_ANNPTR 0x07
|
||
|
|
#define CAS_MII_ANNPRR 0x08
|
||
|
|
#define CAS_MII_1000_CTRL 0x09
|
||
|
|
#define CAS_MII_1000_STATUS 0x0A
|
||
|
|
#define CAS_MII_1000_EXTEND 0x0F
|
||
|
|
|
||
|
|
#define CAS_BMSR_1000_EXTEND 0x0100 /* supports 1000Base-T extended status */
|
||
|
|
/*
|
||
|
|
* if autoneg is disabled, here's the table:
|
||
|
|
* BMCR_SPEED100 = 100Mbps
|
||
|
|
* BMCR_SPEED1000 = 1000Mbps
|
||
|
|
* ~(BMCR_SPEED100 | BMCR_SPEED1000) = 10Mbps
|
||
|
|
*/
|
||
|
|
#define CAS_BMCR_SPEED1000 0x0040 /* Select 1000Mbps */
|
||
|
|
|
||
|
|
#define CAS_ADVERTISE_1000HALF 0x0100
|
||
|
|
#define CAS_ADVERTISE_1000FULL 0x0200
|
||
|
|
#define CAS_ADVERTISE_PAUSE 0x0400
|
||
|
|
#define CAS_ADVERTISE_ASYM_PAUSE 0x0800
|
||
|
|
|
||
|
|
/* regular lpa register */
|
||
|
|
#define CAS_LPA_PAUSE CAS_ADVERTISE_PAUSE
|
||
|
|
#define CAS_LPA_ASYM_PAUSE CAS_ADVERTISE_ASYM_PAUSE
|
||
|
|
|
||
|
|
/* 1000_STATUS register */
|
||
|
|
#define CAS_LPA_1000HALF 0x0400
|
||
|
|
#define CAS_LPA_1000FULL 0x0800
|
||
|
|
|
||
|
|
#define CAS_EXTEND_1000XFULL 0x8000
|
||
|
|
#define CAS_EXTEND_1000XHALF 0x4000
|
||
|
|
#define CAS_EXTEND_1000TFULL 0x2000
|
||
|
|
#define CAS_EXTEND_1000THALF 0x1000
|
||
|
|
|
||
|
|
/* cassini header parser firmware */
|
||
|
|
typedef struct cas_hp_inst {
|
||
|
|
const char *note;
|
||
|
|
|
||
|
|
u16 mask, val;
|
||
|
|
|
||
|
|
u8 op;
|
||
|
|
u8 soff, snext; /* if match succeeds, new offset and match */
|
||
|
|
u8 foff, fnext; /* if match fails, new offset and match */
|
||
|
|
/* output info */
|
||
|
|
u8 outop; /* output opcode */
|
||
|
|
|
||
|
|
u16 outarg; /* output argument */
|
||
|
|
u8 outenab; /* output enable: 0 = not, 1 = if match
|
||
|
|
2 = if !match, 3 = always */
|
||
|
|
u8 outshift; /* barrel shift right, 4 bits */
|
||
|
|
u16 outmask;
|
||
|
|
} cas_hp_inst_t;
|
||
|
|
|
||
|
|
/* comparison */
|
||
|
|
#define OP_EQ 0 /* packet == value */
|
||
|
|
#define OP_LT 1 /* packet < value */
|
||
|
|
#define OP_GT 2 /* packet > value */
|
||
|
|
#define OP_NP 3 /* new packet */
|
||
|
|
|
||
|
|
/* output opcodes */
|
||
|
|
#define CL_REG 0
|
||
|
|
#define LD_FID 1
|
||
|
|
#define LD_SEQ 2
|
||
|
|
#define LD_CTL 3
|
||
|
|
#define LD_SAP 4
|
||
|
|
#define LD_R1 5
|
||
|
|
#define LD_L3 6
|
||
|
|
#define LD_SUM 7
|
||
|
|
#define LD_HDR 8
|
||
|
|
#define IM_FID 9
|
||
|
|
#define IM_SEQ 10
|
||
|
|
#define IM_SAP 11
|
||
|
|
#define IM_R1 12
|
||
|
|
#define IM_CTL 13
|
||
|
|
#define LD_LEN 14
|
||
|
|
#define ST_FLG 15
|
||
|
|
|
||
|
|
/* match setp #s for IP4TCP4 */
|
||
|
|
#define S1_PCKT 0
|
||
|
|
#define S1_VLAN 1
|
||
|
|
#define S1_CFI 2
|
||
|
|
#define S1_8023 3
|
||
|
|
#define S1_LLC 4
|
||
|
|
#define S1_LLCc 5
|
||
|
|
#define S1_IPV4 6
|
||
|
|
#define S1_IPV4c 7
|
||
|
|
#define S1_IPV4F 8
|
||
|
|
#define S1_TCP44 9
|
||
|
|
#define S1_IPV6 10
|
||
|
|
#define S1_IPV6L 11
|
||
|
|
#define S1_IPV6c 12
|
||
|
|
#define S1_TCP64 13
|
||
|
|
#define S1_TCPSQ 14
|
||
|
|
#define S1_TCPFG 15
|
||
|
|
#define S1_TCPHL 16
|
||
|
|
#define S1_TCPHc 17
|
||
|
|
#define S1_CLNP 18
|
||
|
|
#define S1_CLNP2 19
|
||
|
|
#define S1_DROP 20
|
||
|
|
#define S2_HTTP 21
|
||
|
|
#define S1_ESP4 22
|
||
|
|
#define S1_AH4 23
|
||
|
|
#define S1_ESP6 24
|
||
|
|
#define S1_AH6 25
|
||
|
|
|
||
|
|
#define CAS_PROG_IP46TCP4_PREAMBLE \
|
||
|
|
{ "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0, S1_PCKT, \
|
||
|
|
CL_REG, 0x3ff, 1, 0x0, 0x0000}, \
|
||
|
|
{ "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023, \
|
||
|
|
IM_CTL, 0x00a, 3, 0x0, 0xffff}, \
|
||
|
|
{ "CFI?", 0x1000, 0x1000, OP_EQ, 0, S1_DROP, 1, S1_8023, \
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000}, \
|
||
|
|
{ "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4, \
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000}, \
|
||
|
|
{ "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S1_CLNP, \
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000}, \
|
||
|
|
{ "LLCc?", 0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S1_CLNP, \
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000}, \
|
||
|
|
{ "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6, \
|
||
|
|
LD_SAP, 0x100, 3, 0x0, 0xffff}, \
|
||
|
|
{ "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S1_CLNP, \
|
||
|
|
LD_SUM, 0x00a, 1, 0x0, 0x0000}, \
|
||
|
|
{ "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S1_CLNP, \
|
||
|
|
LD_LEN, 0x03e, 1, 0x0, 0xffff}, \
|
||
|
|
{ "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S1_TCPSQ, 0, S1_CLNP, \
|
||
|
|
LD_FID, 0x182, 1, 0x0, 0xffff}, /* FID IP4&TCP src+dst */ \
|
||
|
|
{ "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S1_IPV6L, 0, S1_CLNP, \
|
||
|
|
LD_SUM, 0x015, 1, 0x0, 0x0000}, \
|
||
|
|
{ "IPV6 len", 0xf000, 0x6000, OP_EQ, 0, S1_IPV6c, 0, S1_CLNP, \
|
||
|
|
IM_R1, 0x128, 1, 0x0, 0xffff}, \
|
||
|
|
{ "IPV6 cont?", 0x0000, 0x0000, OP_EQ, 3, S1_TCP64, 0, S1_CLNP, \
|
||
|
|
LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */ \
|
||
|
|
{ "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_CLNP, \
|
||
|
|
LD_LEN, 0x03f, 1, 0x0, 0xffff}
|
||
|
|
|
||
|
|
#ifdef USE_HP_IP46TCP4
|
||
|
|
static cas_hp_inst_t cas_prog_ip46tcp4tab[] = {
|
||
|
|
CAS_PROG_IP46TCP4_PREAMBLE,
|
||
|
|
{ "TCP seq", /* DADDR should point to dest port */
|
||
|
|
0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ,
|
||
|
|
0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */
|
||
|
|
{ "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHL, 0,
|
||
|
|
S1_TCPHL, ST_FLG, 0x045, 3, 0x0, 0x002f}, /* Load TCP flags */
|
||
|
|
{ "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0,
|
||
|
|
S1_TCPHc, LD_R1, 0x205, 3, 0xB, 0xf000},
|
||
|
|
{ "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0,
|
||
|
|
S1_PCKT, LD_HDR, 0x0ff, 3, 0x0, 0xffff},
|
||
|
|
{ "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2,
|
||
|
|
IM_CTL, 0x001, 3, 0x0, 0x0001},
|
||
|
|
{ "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x080, 3, 0x0, 0xffff},
|
||
|
|
{ NULL },
|
||
|
|
};
|
||
|
|
#ifdef HP_IP46TCP4_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_ip46tcp4tab
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Alternate table load which excludes HTTP server traffic from reassembly.
|
||
|
|
* It is substantially similar to the basic table, with one extra state
|
||
|
|
* and a few extra compares. */
|
||
|
|
#ifdef USE_HP_IP46TCP4NOHTTP
|
||
|
|
static cas_hp_inst_t cas_prog_ip46tcp4nohttptab[] = {
|
||
|
|
CAS_PROG_IP46TCP4_PREAMBLE,
|
||
|
|
{ "TCP seq", /* DADDR should point to dest port */
|
||
|
|
0xFFFF, 0x0080, OP_EQ, 0, S2_HTTP, 0, S1_TCPFG, LD_SEQ,
|
||
|
|
0x081, 3, 0x0, 0xffff} , /* Load TCP seq # */
|
||
|
|
{ "TCP control flags", 0xFFFF, 0x8080, OP_EQ, 0, S2_HTTP, 0,
|
||
|
|
S1_TCPHL, ST_FLG, 0x145, 2, 0x0, 0x002f, }, /* Load TCP flags */
|
||
|
|
{ "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, S1_TCPHc,
|
||
|
|
LD_R1, 0x205, 3, 0xB, 0xf000},
|
||
|
|
{ "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
LD_HDR, 0x0ff, 3, 0x0, 0xffff},
|
||
|
|
{ "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2,
|
||
|
|
IM_CTL, 0x001, 3, 0x0, 0x0001},
|
||
|
|
{ "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
CL_REG, 0x002, 3, 0x0, 0x0000},
|
||
|
|
{ "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x080, 3, 0x0, 0xffff},
|
||
|
|
{ "No HTTP", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x044, 3, 0x0, 0xffff},
|
||
|
|
{ NULL },
|
||
|
|
};
|
||
|
|
#ifdef HP_IP46TCP4NOHTTP_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_ip46tcp4nohttptab
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* match step #s for IP4FRAG */
|
||
|
|
#define S3_IPV6c 11
|
||
|
|
#define S3_TCP64 12
|
||
|
|
#define S3_TCPSQ 13
|
||
|
|
#define S3_TCPFG 14
|
||
|
|
#define S3_TCPHL 15
|
||
|
|
#define S3_TCPHc 16
|
||
|
|
#define S3_FRAG 17
|
||
|
|
#define S3_FOFF 18
|
||
|
|
#define S3_CLNP 19
|
||
|
|
|
||
|
|
#ifdef USE_HP_IP4FRAG
|
||
|
|
static cas_hp_inst_t cas_prog_ip4fragtab[] = {
|
||
|
|
{ "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0, S1_PCKT,
|
||
|
|
CL_REG, 0x3ff, 1, 0x0, 0x0000},
|
||
|
|
{ "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023,
|
||
|
|
IM_CTL, 0x00a, 3, 0x0, 0xffff},
|
||
|
|
{ "CFI?", 0x1000, 0x1000, OP_EQ, 0, S3_CLNP, 1, S1_8023,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S3_CLNP,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "LLCc?",0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S3_CLNP,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6,
|
||
|
|
LD_SAP, 0x100, 3, 0x0, 0xffff},
|
||
|
|
{ "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S3_CLNP,
|
||
|
|
LD_SUM, 0x00a, 1, 0x0, 0x0000},
|
||
|
|
{ "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S3_FRAG,
|
||
|
|
LD_LEN, 0x03e, 3, 0x0, 0xffff},
|
||
|
|
{ "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S3_TCPSQ, 0, S3_CLNP,
|
||
|
|
LD_FID, 0x182, 3, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
|
||
|
|
{ "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S3_IPV6c, 0, S3_CLNP,
|
||
|
|
LD_SUM, 0x015, 1, 0x0, 0x0000},
|
||
|
|
{ "IPV6 cont?", 0xf000, 0x6000, OP_EQ, 3, S3_TCP64, 0, S3_CLNP,
|
||
|
|
LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */
|
||
|
|
{ "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S3_TCPSQ, 0, S3_CLNP,
|
||
|
|
LD_LEN, 0x03f, 1, 0x0, 0xffff},
|
||
|
|
{ "TCP seq", /* DADDR should point to dest port */
|
||
|
|
0x0000, 0x0000, OP_EQ, 0, S3_TCPFG, 4, S3_TCPFG, LD_SEQ,
|
||
|
|
0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */
|
||
|
|
{ "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S3_TCPHL, 0,
|
||
|
|
S3_TCPHL, ST_FLG, 0x045, 3, 0x0, 0x002f}, /* Load TCP flags */
|
||
|
|
{ "TCP length", 0x0000, 0x0000, OP_EQ, 0, S3_TCPHc, 0, S3_TCPHc,
|
||
|
|
LD_R1, 0x205, 3, 0xB, 0xf000},
|
||
|
|
{ "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
LD_HDR, 0x0ff, 3, 0x0, 0xffff},
|
||
|
|
{ "IP4 Fragment", 0x0000, 0x0000, OP_EQ, 0, S3_FOFF, 0, S3_FOFF,
|
||
|
|
LD_FID, 0x103, 3, 0x0, 0xffff}, /* FID IP4 src+dst */
|
||
|
|
{ "IP4 frag offset", 0x0000, 0x0000, OP_EQ, 0, S3_FOFF, 0, S3_FOFF,
|
||
|
|
LD_SEQ, 0x040, 1, 0xD, 0xfff8},
|
||
|
|
{ "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x001, 3, 0x0, 0x0001},
|
||
|
|
{ NULL },
|
||
|
|
};
|
||
|
|
#ifdef HP_IP4FRAG_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_ip4fragtab
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Alternate table which does batching without reassembly
|
||
|
|
*/
|
||
|
|
#ifdef USE_HP_IP46TCP4BATCH
|
||
|
|
static cas_hp_inst_t cas_prog_ip46tcp4batchtab[] = {
|
||
|
|
CAS_PROG_IP46TCP4_PREAMBLE,
|
||
|
|
{ "TCP seq", /* DADDR should point to dest port */
|
||
|
|
0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 0, S1_TCPFG, LD_SEQ,
|
||
|
|
0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */
|
||
|
|
{ "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHL, 0,
|
||
|
|
S1_TCPHL, ST_FLG, 0x000, 3, 0x0, 0x0000}, /* Load TCP flags */
|
||
|
|
{ "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0,
|
||
|
|
S1_TCPHc, LD_R1, 0x205, 3, 0xB, 0xf000},
|
||
|
|
{ "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0,
|
||
|
|
S1_PCKT, IM_CTL, 0x040, 3, 0x0, 0xffff}, /* set batch bit */
|
||
|
|
{ "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x001, 3, 0x0, 0x0001},
|
||
|
|
{ "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0,
|
||
|
|
S1_PCKT, IM_CTL, 0x080, 3, 0x0, 0xffff},
|
||
|
|
{ NULL },
|
||
|
|
};
|
||
|
|
#ifdef HP_IP46TCP4BATCH_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_ip46tcp4batchtab
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Workaround for Cassini rev2 descriptor corruption problem.
|
||
|
|
* Does batching without reassembly, and sets the SAP to a known
|
||
|
|
* data pattern for all packets.
|
||
|
|
*/
|
||
|
|
#ifdef USE_HP_WORKAROUND
|
||
|
|
static cas_hp_inst_t cas_prog_workaroundtab[] = {
|
||
|
|
{ "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0,
|
||
|
|
S1_PCKT, CL_REG, 0x3ff, 1, 0x0, 0x0000} ,
|
||
|
|
{ "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023,
|
||
|
|
IM_CTL, 0x04a, 3, 0x0, 0xffff},
|
||
|
|
{ "CFI?", 0x1000, 0x1000, OP_EQ, 0, S1_CLNP, 1, S1_8023,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S1_CLNP,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "LLCc?", 0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S1_CLNP,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6,
|
||
|
|
IM_SAP, 0x6AE, 3, 0x0, 0xffff},
|
||
|
|
{ "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S1_CLNP,
|
||
|
|
LD_SUM, 0x00a, 1, 0x0, 0x0000},
|
||
|
|
{ "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S1_CLNP,
|
||
|
|
LD_LEN, 0x03e, 1, 0x0, 0xffff},
|
||
|
|
{ "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S1_TCPSQ, 0, S1_CLNP,
|
||
|
|
LD_FID, 0x182, 3, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
|
||
|
|
{ "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S1_IPV6L, 0, S1_CLNP,
|
||
|
|
LD_SUM, 0x015, 1, 0x0, 0x0000},
|
||
|
|
{ "IPV6 len", 0xf000, 0x6000, OP_EQ, 0, S1_IPV6c, 0, S1_CLNP,
|
||
|
|
IM_R1, 0x128, 1, 0x0, 0xffff},
|
||
|
|
{ "IPV6 cont?", 0x0000, 0x0000, OP_EQ, 3, S1_TCP64, 0, S1_CLNP,
|
||
|
|
LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */
|
||
|
|
{ "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_CLNP,
|
||
|
|
LD_LEN, 0x03f, 1, 0x0, 0xffff},
|
||
|
|
{ "TCP seq", /* DADDR should point to dest port */
|
||
|
|
0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ,
|
||
|
|
0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */
|
||
|
|
{ "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHL, 0,
|
||
|
|
S1_TCPHL, ST_FLG, 0x045, 3, 0x0, 0x002f}, /* Load TCP flags */
|
||
|
|
{ "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, S1_TCPHc,
|
||
|
|
LD_R1, 0x205, 3, 0xB, 0xf000},
|
||
|
|
{ "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0,
|
||
|
|
S1_PCKT, LD_HDR, 0x0ff, 3, 0x0, 0xffff},
|
||
|
|
{ "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2,
|
||
|
|
IM_SAP, 0x6AE, 3, 0x0, 0xffff} ,
|
||
|
|
{ "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x001, 3, 0x0, 0x0001},
|
||
|
|
{ NULL },
|
||
|
|
};
|
||
|
|
#ifdef HP_WORKAROUND_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_workaroundtab
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef USE_HP_ENCRYPT
|
||
|
|
static cas_hp_inst_t cas_prog_encryptiontab[] = {
|
||
|
|
{ "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0,
|
||
|
|
S1_PCKT, CL_REG, 0x3ff, 1, 0x0, 0x0000},
|
||
|
|
{ "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023,
|
||
|
|
IM_CTL, 0x00a, 3, 0x0, 0xffff},
|
||
|
|
#if 0
|
||
|
|
//"CFI?", /* 02 FIND CFI and If FIND go to S1_DROP */
|
||
|
|
//0x1000, 0x1000, OP_EQ, 0, S1_DROP, 1, S1_8023, CL_REG, 0x000, 0, 0x0, 0x00
|
||
|
|
00,
|
||
|
|
#endif
|
||
|
|
{ "CFI?", /* FIND CFI and If FIND go to CleanUP1 (ignore and send to host) */
|
||
|
|
0x1000, 0x1000, OP_EQ, 0, S1_CLNP, 1, S1_8023,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S1_CLNP,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "LLCc?", 0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S1_CLNP,
|
||
|
|
CL_REG, 0x000, 0, 0x0, 0x0000},
|
||
|
|
{ "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6,
|
||
|
|
LD_SAP, 0x100, 3, 0x0, 0xffff},
|
||
|
|
{ "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S1_CLNP,
|
||
|
|
LD_SUM, 0x00a, 1, 0x0, 0x0000},
|
||
|
|
{ "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S1_CLNP,
|
||
|
|
LD_LEN, 0x03e, 1, 0x0, 0xffff},
|
||
|
|
{ "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S1_TCPSQ, 0, S1_ESP4,
|
||
|
|
LD_FID, 0x182, 1, 0x0, 0xffff}, /* FID IP4&TCP src+dst */
|
||
|
|
{ "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S1_IPV6L, 0, S1_CLNP,
|
||
|
|
LD_SUM, 0x015, 1, 0x0, 0x0000},
|
||
|
|
{ "IPV6 len", 0xf000, 0x6000, OP_EQ, 0, S1_IPV6c, 0, S1_CLNP,
|
||
|
|
IM_R1, 0x128, 1, 0x0, 0xffff},
|
||
|
|
{ "IPV6 cont?", 0x0000, 0x0000, OP_EQ, 3, S1_TCP64, 0, S1_CLNP,
|
||
|
|
LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */
|
||
|
|
{ "TCP64?",
|
||
|
|
#if 0
|
||
|
|
//@@@0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_ESP6, LD_LEN, 0x03f, 1, 0x0, 0xffff,
|
||
|
|
#endif
|
||
|
|
0xff00, 0x0600, OP_EQ, 12, S1_TCPSQ, 0, S1_ESP6, LD_LEN,
|
||
|
|
0x03f, 1, 0x0, 0xffff},
|
||
|
|
{ "TCP seq", /* 14:DADDR should point to dest port */
|
||
|
|
0xFFFF, 0x0080, OP_EQ, 0, S2_HTTP, 0, S1_TCPFG, LD_SEQ,
|
||
|
|
0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */
|
||
|
|
{ "TCP control flags", 0xFFFF, 0x8080, OP_EQ, 0, S2_HTTP, 0,
|
||
|
|
S1_TCPHL, ST_FLG, 0x145, 2, 0x0, 0x002f}, /* Load TCP flags */
|
||
|
|
{ "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, S1_TCPHc,
|
||
|
|
LD_R1, 0x205, 3, 0xB, 0xf000} ,
|
||
|
|
{ "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0,
|
||
|
|
S1_PCKT, LD_HDR, 0x0ff, 3, 0x0, 0xffff},
|
||
|
|
{ "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2,
|
||
|
|
IM_CTL, 0x001, 3, 0x0, 0x0001},
|
||
|
|
{ "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
CL_REG, 0x002, 3, 0x0, 0x0000},
|
||
|
|
{ "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x080, 3, 0x0, 0xffff},
|
||
|
|
{ "No HTTP", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT,
|
||
|
|
IM_CTL, 0x044, 3, 0x0, 0xffff},
|
||
|
|
{ "IPV4 ESP encrypted?", /* S1_ESP4 */
|
||
|
|
0x00ff, 0x0032, OP_EQ, 0, S1_CLNP2, 0, S1_AH4, IM_CTL,
|
||
|
|
0x021, 1, 0x0, 0xffff},
|
||
|
|
{ "IPV4 AH encrypted?", /* S1_AH4 */
|
||
|
|
0x00ff, 0x0033, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP, IM_CTL,
|
||
|
|
0x021, 1, 0x0, 0xffff},
|
||
|
|
{ "IPV6 ESP encrypted?", /* S1_ESP6 */
|
||
|
|
#if 0
|
||
|
|
//@@@0x00ff, 0x0032, OP_EQ, 0, S1_CLNP2, 0, S1_AH6, IM_CTL, 0x021, 1, 0x0, 0xffff,
|
||
|
|
#endif
|
||
|
|
0xff00, 0x3200, OP_EQ, 0, S1_CLNP2, 0, S1_AH6, IM_CTL,
|
||
|
|
0x021, 1, 0x0, 0xffff},
|
||
|
|
{ "IPV6 AH encrypted?", /* S1_AH6 */
|
||
|
|
#if 0
|
||
|
|
//@@@0x00ff, 0x0033, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP, IM_CTL, 0x021, 1, 0x0, 0xffff,
|
||
|
|
#endif
|
||
|
|
0xff00, 0x3300, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP, IM_CTL,
|
||
|
|
0x021, 1, 0x0, 0xffff},
|
||
|
|
{ NULL },
|
||
|
|
};
|
||
|
|
#ifdef HP_ENCRYPT_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_encryptiontab
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static cas_hp_inst_t cas_prog_null[] = { {NULL} };
|
||
|
|
#ifdef HP_NULL_DEFAULT
|
||
|
|
#define CAS_HP_FIRMWARE cas_prog_null
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* phy types */
|
||
|
|
#define CAS_PHY_UNKNOWN 0x00
|
||
|
|
#define CAS_PHY_SERDES 0x01
|
||
|
|
#define CAS_PHY_MII_MDIO0 0x02
|
||
|
|
#define CAS_PHY_MII_MDIO1 0x04
|
||
|
|
#define CAS_PHY_MII(x) ((x) & (CAS_PHY_MII_MDIO0 | CAS_PHY_MII_MDIO1))
|
||
|
|
|
||
|
|
/* _RING_INDEX is the index for the ring sizes to be used. _RING_SIZE
|
||
|
|
* is the actual size. the default index for the various rings is
|
||
|
|
* 8. NOTE: there a bunch of alignment constraints for the rings. to
|
||
|
|
* deal with that, i just allocate rings to create the desired
|
||
|
|
* alignment. here are the constraints:
|
||
|
|
* RX DESC and COMP rings must be 8KB aligned
|
||
|
|
* TX DESC must be 2KB aligned.
|
||
|
|
* if you change the numbers, be cognizant of how the alignment will change
|
||
|
|
* in INIT_BLOCK as well.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define DESC_RING_I_TO_S(x) (32*(1 << (x)))
|
||
|
|
#define COMP_RING_I_TO_S(x) (128*(1 << (x)))
|
||
|
|
#define TX_DESC_RING_INDEX 4 /* 512 = 8k */
|
||
|
|
#define RX_DESC_RING_INDEX 4 /* 512 = 8k */
|
||
|
|
#define RX_COMP_RING_INDEX 4 /* 2048 = 64k: should be 4x rx ring size */
|
||
|
|
|
||
|
|
#if (TX_DESC_RING_INDEX > 8) || (TX_DESC_RING_INDEX < 0)
|
||
|
|
#error TX_DESC_RING_INDEX must be between 0 and 8
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (RX_DESC_RING_INDEX > 8) || (RX_DESC_RING_INDEX < 0)
|
||
|
|
#error RX_DESC_RING_INDEX must be between 0 and 8
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (RX_COMP_RING_INDEX > 8) || (RX_COMP_RING_INDEX < 0)
|
||
|
|
#error RX_COMP_RING_INDEX must be between 0 and 8
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define N_TX_RINGS MAX_TX_RINGS /* for QoS */
|
||
|
|
#define N_TX_RINGS_MASK MAX_TX_RINGS_MASK
|
||
|
|
#define N_RX_DESC_RINGS MAX_RX_DESC_RINGS /* 1 for ipsec */
|
||
|
|
#define N_RX_COMP_RINGS 0x1 /* for mult. PCI interrupts */
|
||
|
|
|
||
|
|
/* number of flows that can go through re-assembly */
|
||
|
|
#define N_RX_FLOWS 64
|
||
|
|
|
||
|
|
#define TX_DESC_RING_SIZE DESC_RING_I_TO_S(TX_DESC_RING_INDEX)
|
||
|
|
#define RX_DESC_RING_SIZE DESC_RING_I_TO_S(RX_DESC_RING_INDEX)
|
||
|
|
#define RX_COMP_RING_SIZE COMP_RING_I_TO_S(RX_COMP_RING_INDEX)
|
||
|
|
#define TX_DESC_RINGN_INDEX(x) TX_DESC_RING_INDEX
|
||
|
|
#define RX_DESC_RINGN_INDEX(x) RX_DESC_RING_INDEX
|
||
|
|
#define RX_COMP_RINGN_INDEX(x) RX_COMP_RING_INDEX
|
||
|
|
#define TX_DESC_RINGN_SIZE(x) TX_DESC_RING_SIZE
|
||
|
|
#define RX_DESC_RINGN_SIZE(x) RX_DESC_RING_SIZE
|
||
|
|
#define RX_COMP_RINGN_SIZE(x) RX_COMP_RING_SIZE
|
||
|
|
|
||
|
|
/* convert values */
|
||
|
|
#define CAS_BASE(x, y) (((y) << (x ## _SHIFT)) & (x ## _MASK))
|
||
|
|
#define CAS_VAL(x, y) (((y) & (x ## _MASK)) >> (x ## _SHIFT))
|
||
|
|
#define CAS_TX_RINGN_BASE(y) ((TX_DESC_RINGN_INDEX(y) << \
|
||
|
|
TX_CFG_DESC_RINGN_SHIFT(y)) & \
|
||
|
|
TX_CFG_DESC_RINGN_MASK(y))
|
||
|
|
|
||
|
|
/* min is 2k, but we can't do jumbo frames unless it's at least 8k */
|
||
|
|
#define CAS_MIN_PAGE_SHIFT 11 /* 2048 */
|
||
|
|
#define CAS_JUMBO_PAGE_SHIFT 13 /* 8192 */
|
||
|
|
#define CAS_MAX_PAGE_SHIFT 14 /* 16384 */
|
||
|
|
|
||
|
|
#define TX_DESC_BUFLEN_MASK 0x0000000000003FFFULL /* buffer length in
|
||
|
|
bytes. 0 - 9256 */
|
||
|
|
#define TX_DESC_BUFLEN_SHIFT 0
|
||
|
|
#define TX_DESC_CSUM_START_MASK 0x00000000001F8000ULL /* checksum start. #
|
||
|
|
of bytes to be
|
||
|
|
skipped before
|
||
|
|
csum calc begins.
|
||
|
|
value must be
|
||
|
|
even */
|
||
|
|
#define TX_DESC_CSUM_START_SHIFT 15
|
||
|
|
#define TX_DESC_CSUM_STUFF_MASK 0x000000001FE00000ULL /* checksum stuff.
|
||
|
|
byte offset w/in
|
||
|
|
the pkt for the
|
||
|
|
1st csum byte.
|
||
|
|
must be > 8 */
|
||
|
|
#define TX_DESC_CSUM_STUFF_SHIFT 21
|
||
|
|
#define TX_DESC_CSUM_EN 0x0000000020000000ULL /* enable checksum */
|
||
|
|
#define TX_DESC_EOF 0x0000000040000000ULL /* end of frame */
|
||
|
|
#define TX_DESC_SOF 0x0000000080000000ULL /* start of frame */
|
||
|
|
#define TX_DESC_INTME 0x0000000100000000ULL /* interrupt me */
|
||
|
|
#define TX_DESC_NO_CRC 0x0000000200000000ULL /* debugging only.
|
||
|
|
CRC will not be
|
||
|
|
inserted into
|
||
|
|
outgoing frame. */
|
||
|
|
struct cas_tx_desc {
|
||
|
|
__le64 control;
|
||
|
|
__le64 buffer;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* descriptor ring for free buffers contains page-sized buffers. the index
|
||
|
|
* value is not used by the hw in any way. it's just stored and returned in
|
||
|
|
* the completion ring.
|
||
|
|
*/
|
||
|
|
struct cas_rx_desc {
|
||
|
|
__le64 index;
|
||
|
|
__le64 buffer;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* received packets are put on the completion ring. */
|
||
|
|
/* word 1 */
|
||
|
|
#define RX_COMP1_DATA_SIZE_MASK 0x0000000007FFE000ULL
|
||
|
|
#define RX_COMP1_DATA_SIZE_SHIFT 13
|
||
|
|
#define RX_COMP1_DATA_OFF_MASK 0x000001FFF8000000ULL
|
||
|
|
#define RX_COMP1_DATA_OFF_SHIFT 27
|
||
|
|
#define RX_COMP1_DATA_INDEX_MASK 0x007FFE0000000000ULL
|
||
|
|
#define RX_COMP1_DATA_INDEX_SHIFT 41
|
||
|
|
#define RX_COMP1_SKIP_MASK 0x0180000000000000ULL
|
||
|
|
#define RX_COMP1_SKIP_SHIFT 55
|
||
|
|
#define RX_COMP1_RELEASE_NEXT 0x0200000000000000ULL
|
||
|
|
#define RX_COMP1_SPLIT_PKT 0x0400000000000000ULL
|
||
|
|
#define RX_COMP1_RELEASE_FLOW 0x0800000000000000ULL
|
||
|
|
#define RX_COMP1_RELEASE_DATA 0x1000000000000000ULL
|
||
|
|
#define RX_COMP1_RELEASE_HDR 0x2000000000000000ULL
|
||
|
|
#define RX_COMP1_TYPE_MASK 0xC000000000000000ULL
|
||
|
|
#define RX_COMP1_TYPE_SHIFT 62
|
||
|
|
|
||
|
|
/* word 2 */
|
||
|
|
#define RX_COMP2_NEXT_INDEX_MASK 0x00000007FFE00000ULL
|
||
|
|
#define RX_COMP2_NEXT_INDEX_SHIFT 21
|
||
|
|
#define RX_COMP2_HDR_SIZE_MASK 0x00000FF800000000ULL
|
||
|
|
#define RX_COMP2_HDR_SIZE_SHIFT 35
|
||
|
|
#define RX_COMP2_HDR_OFF_MASK 0x0003F00000000000ULL
|
||
|
|
#define RX_COMP2_HDR_OFF_SHIFT 44
|
||
|
|
#define RX_COMP2_HDR_INDEX_MASK 0xFFFC000000000000ULL
|
||
|
|
#define RX_COMP2_HDR_INDEX_SHIFT 50
|
||
|
|
|
||
|
|
/* word 3 */
|
||
|
|
#define RX_COMP3_SMALL_PKT 0x0000000000000001ULL
|
||
|
|
#define RX_COMP3_JUMBO_PKT 0x0000000000000002ULL
|
||
|
|
#define RX_COMP3_JUMBO_HDR_SPLIT_EN 0x0000000000000004ULL
|
||
|
|
#define RX_COMP3_CSUM_START_MASK 0x000000000007F000ULL
|
||
|
|
#define RX_COMP3_CSUM_START_SHIFT 12
|
||
|
|
#define RX_COMP3_FLOWID_MASK 0x0000000001F80000ULL
|
||
|
|
#define RX_COMP3_FLOWID_SHIFT 19
|
||
|
|
#define RX_COMP3_OPCODE_MASK 0x000000000E000000ULL
|
||
|
|
#define RX_COMP3_OPCODE_SHIFT 25
|
||
|
|
#define RX_COMP3_FORCE_FLAG 0x0000000010000000ULL
|
||
|
|
#define RX_COMP3_NO_ASSIST 0x0000000020000000ULL
|
||
|
|
#define RX_COMP3_LOAD_BAL_MASK 0x000001F800000000ULL
|
||
|
|
#define RX_COMP3_LOAD_BAL_SHIFT 35
|
||
|
|
#define RX_PLUS_COMP3_ENC_PKT 0x0000020000000000ULL /* cas+ */
|
||
|
|
#define RX_COMP3_L3_HEAD_OFF_MASK 0x0000FE0000000000ULL /* cas */
|
||
|
|
#define RX_COMP3_L3_HEAD_OFF_SHIFT 41
|
||
|
|
#define RX_PLUS_COMP_L3_HEAD_OFF_MASK 0x0000FC0000000000ULL /* cas+ */
|
||
|
|
#define RX_PLUS_COMP_L3_HEAD_OFF_SHIFT 42
|
||
|
|
#define RX_COMP3_SAP_MASK 0xFFFF000000000000ULL
|
||
|
|
#define RX_COMP3_SAP_SHIFT 48
|
||
|
|
|
||
|
|
/* word 4 */
|
||
|
|
#define RX_COMP4_TCP_CSUM_MASK 0x000000000000FFFFULL
|
||
|
|
#define RX_COMP4_TCP_CSUM_SHIFT 0
|
||
|
|
#define RX_COMP4_PKT_LEN_MASK 0x000000003FFF0000ULL
|
||
|
|
#define RX_COMP4_PKT_LEN_SHIFT 16
|
||
|
|
#define RX_COMP4_PERFECT_MATCH_MASK 0x00000003C0000000ULL
|
||
|
|
#define RX_COMP4_PERFECT_MATCH_SHIFT 30
|
||
|
|
#define RX_COMP4_ZERO 0x0000080000000000ULL
|
||
|
|
#define RX_COMP4_HASH_VAL_MASK 0x0FFFF00000000000ULL
|
||
|
|
#define RX_COMP4_HASH_VAL_SHIFT 44
|
||
|
|
#define RX_COMP4_HASH_PASS 0x1000000000000000ULL
|
||
|
|
#define RX_COMP4_BAD 0x4000000000000000ULL
|
||
|
|
#define RX_COMP4_LEN_MISMATCH 0x8000000000000000ULL
|
||
|
|
|
||
|
|
/* we encode the following: ring/index/release. only 14 bits
|
||
|
|
* are usable.
|
||
|
|
* NOTE: the encoding is dependent upon RX_DESC_RING_SIZE and
|
||
|
|
* MAX_RX_DESC_RINGS. */
|
||
|
|
#define RX_INDEX_NUM_MASK 0x0000000000000FFFULL
|
||
|
|
#define RX_INDEX_NUM_SHIFT 0
|
||
|
|
#define RX_INDEX_RING_MASK 0x0000000000001000ULL
|
||
|
|
#define RX_INDEX_RING_SHIFT 12
|
||
|
|
#define RX_INDEX_RELEASE 0x0000000000002000ULL
|
||
|
|
|
||
|
|
struct cas_rx_comp {
|
||
|
|
__le64 word1;
|
||
|
|
__le64 word2;
|
||
|
|
__le64 word3;
|
||
|
|
__le64 word4;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum link_state {
|
||
|
|
link_down = 0, /* No link, will retry */
|
||
|
|
link_aneg, /* Autoneg in progress */
|
||
|
|
link_force_try, /* Try Forced link speed */
|
||
|
|
link_force_ret, /* Forced mode worked, retrying autoneg */
|
||
|
|
link_force_ok, /* Stay in forced mode */
|
||
|
|
link_up /* Link is up */
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct cas_page {
|
||
|
|
struct list_head list;
|
||
|
|
struct page *buffer;
|
||
|
|
dma_addr_t dma_addr;
|
||
|
|
int used;
|
||
|
|
} cas_page_t;
|
||
|
|
|
||
|
|
|
||
|
|
/* some alignment constraints:
|
||
|
|
* TX DESC, RX DESC, and RX COMP must each be 8K aligned.
|
||
|
|
* TX COMPWB must be 8-byte aligned.
|
||
|
|
* to accomplish this, here's what we do:
|
||
|
|
*
|
||
|
|
* INIT_BLOCK_RX_COMP = 64k (already aligned)
|
||
|
|
* INIT_BLOCK_RX_DESC = 8k
|
||
|
|
* INIT_BLOCK_TX = 8k
|
||
|
|
* INIT_BLOCK_RX1_DESC = 8k
|
||
|
|
* TX COMPWB
|
||
|
|
*/
|
||
|
|
#define INIT_BLOCK_TX (TX_DESC_RING_SIZE)
|
||
|
|
#define INIT_BLOCK_RX_DESC (RX_DESC_RING_SIZE)
|
||
|
|
#define INIT_BLOCK_RX_COMP (RX_COMP_RING_SIZE)
|
||
|
|
|
||
|
|
struct cas_init_block {
|
||
|
|
struct cas_rx_comp rxcs[N_RX_COMP_RINGS][INIT_BLOCK_RX_COMP];
|
||
|
|
struct cas_rx_desc rxds[N_RX_DESC_RINGS][INIT_BLOCK_RX_DESC];
|
||
|
|
struct cas_tx_desc txds[N_TX_RINGS][INIT_BLOCK_TX];
|
||
|
|
__le64 tx_compwb;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* tiny buffers to deal with target abort issue. we allocate a bit
|
||
|
|
* over so that we don't have target abort issues with these buffers
|
||
|
|
* as well.
|
||
|
|
*/
|
||
|
|
#define TX_TINY_BUF_LEN 0x100
|
||
|
|
#define TX_TINY_BUF_BLOCK ((INIT_BLOCK_TX + 1)*TX_TINY_BUF_LEN)
|
||
|
|
|
||
|
|
struct cas_tiny_count {
|
||
|
|
int nbufs;
|
||
|
|
int used;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct cas {
|
||
|
|
spinlock_t lock; /* for most bits */
|
||
|
|
spinlock_t tx_lock[N_TX_RINGS]; /* tx bits */
|
||
|
|
spinlock_t stat_lock[N_TX_RINGS + 1]; /* for stat gathering */
|
||
|
|
spinlock_t rx_inuse_lock; /* rx inuse list */
|
||
|
|
spinlock_t rx_spare_lock; /* rx spare list */
|
||
|
|
|
||
|
|
void __iomem *regs;
|
||
|
|
int tx_new[N_TX_RINGS], tx_old[N_TX_RINGS];
|
||
|
|
int rx_old[N_RX_DESC_RINGS];
|
||
|
|
int rx_cur[N_RX_COMP_RINGS], rx_new[N_RX_COMP_RINGS];
|
||
|
|
int rx_last[N_RX_DESC_RINGS];
|
||
|
|
|
||
|
|
struct napi_struct napi;
|
||
|
|
|
||
|
|
/* Set when chip is actually in operational state
|
||
|
|
* (ie. not power managed) */
|
||
|
|
int hw_running;
|
||
|
|
int opened;
|
||
|
|
struct mutex pm_mutex; /* open/close/suspend/resume */
|
||
|
|
|
||
|
|
struct cas_init_block *init_block;
|
||
|
|
struct cas_tx_desc *init_txds[MAX_TX_RINGS];
|
||
|
|
struct cas_rx_desc *init_rxds[MAX_RX_DESC_RINGS];
|
||
|
|
struct cas_rx_comp *init_rxcs[MAX_RX_COMP_RINGS];
|
||
|
|
|
||
|
|
/* we use sk_buffs for tx and pages for rx. the rx skbuffs
|
||
|
|
* are there for flow re-assembly. */
|
||
|
|
struct sk_buff *tx_skbs[N_TX_RINGS][TX_DESC_RING_SIZE];
|
||
|
|
struct sk_buff_head rx_flows[N_RX_FLOWS];
|
||
|
|
cas_page_t *rx_pages[N_RX_DESC_RINGS][RX_DESC_RING_SIZE];
|
||
|
|
struct list_head rx_spare_list, rx_inuse_list;
|
||
|
|
int rx_spares_needed;
|
||
|
|
|
||
|
|
/* for small packets when copying would be quicker than
|
||
|
|
mapping */
|
||
|
|
struct cas_tiny_count tx_tiny_use[N_TX_RINGS][TX_DESC_RING_SIZE];
|
||
|
|
u8 *tx_tiny_bufs[N_TX_RINGS];
|
||
|
|
|
||
|
|
u32 msg_enable;
|
||
|
|
|
||
|
|
/* N_TX_RINGS must be >= N_RX_DESC_RINGS */
|
||
|
|
struct net_device_stats net_stats[N_TX_RINGS + 1];
|
||
|
|
|
||
|
|
u32 pci_cfg[64 >> 2];
|
||
|
|
u8 pci_revision;
|
||
|
|
|
||
|
|
int phy_type;
|
||
|
|
int phy_addr;
|
||
|
|
u32 phy_id;
|
||
|
|
#define CAS_FLAG_1000MB_CAP 0x00000001
|
||
|
|
#define CAS_FLAG_REG_PLUS 0x00000002
|
||
|
|
#define CAS_FLAG_TARGET_ABORT 0x00000004
|
||
|
|
#define CAS_FLAG_SATURN 0x00000008
|
||
|
|
#define CAS_FLAG_RXD_POST_MASK 0x000000F0
|
||
|
|
#define CAS_FLAG_RXD_POST_SHIFT 4
|
||
|
|
#define CAS_FLAG_RXD_POST(x) ((1 << (CAS_FLAG_RXD_POST_SHIFT + (x))) & \
|
||
|
|
CAS_FLAG_RXD_POST_MASK)
|
||
|
|
#define CAS_FLAG_ENTROPY_DEV 0x00000100
|
||
|
|
#define CAS_FLAG_NO_HW_CSUM 0x00000200
|
||
|
|
u32 cas_flags;
|
||
|
|
int packet_min; /* minimum packet size */
|
||
|
|
int tx_fifo_size;
|
||
|
|
int rx_fifo_size;
|
||
|
|
int rx_pause_off;
|
||
|
|
int rx_pause_on;
|
||
|
|
int crc_size; /* 4 if half-duplex */
|
||
|
|
|
||
|
|
int pci_irq_INTC;
|
||
|
|
int min_frame_size; /* for tx fifo workaround */
|
||
|
|
|
||
|
|
/* page size allocation */
|
||
|
|
int page_size;
|
||
|
|
int page_order;
|
||
|
|
int mtu_stride;
|
||
|
|
|
||
|
|
u32 mac_rx_cfg;
|
||
|
|
|
||
|
|
/* Autoneg & PHY control */
|
||
|
|
int link_cntl;
|
||
|
|
int link_fcntl;
|
||
|
|
enum link_state lstate;
|
||
|
|
struct timer_list link_timer;
|
||
|
|
int timer_ticks;
|
||
|
|
struct work_struct reset_task;
|
||
|
|
#if 0
|
||
|
|
atomic_t reset_task_pending;
|
||
|
|
#else
|
||
|
|
atomic_t reset_task_pending;
|
||
|
|
atomic_t reset_task_pending_mtu;
|
||
|
|
atomic_t reset_task_pending_spare;
|
||
|
|
atomic_t reset_task_pending_all;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Link-down problem workaround */
|
||
|
|
#define LINK_TRANSITION_UNKNOWN 0
|
||
|
|
#define LINK_TRANSITION_ON_FAILURE 1
|
||
|
|
#define LINK_TRANSITION_STILL_FAILED 2
|
||
|
|
#define LINK_TRANSITION_LINK_UP 3
|
||
|
|
#define LINK_TRANSITION_LINK_CONFIG 4
|
||
|
|
#define LINK_TRANSITION_LINK_DOWN 5
|
||
|
|
#define LINK_TRANSITION_REQUESTED_RESET 6
|
||
|
|
int link_transition;
|
||
|
|
int link_transition_jiffies_valid;
|
||
|
|
unsigned long link_transition_jiffies;
|
||
|
|
|
||
|
|
/* Tuning */
|
||
|
|
u8 orig_cacheline_size; /* value when loaded */
|
||
|
|
#define CAS_PREF_CACHELINE_SIZE 0x20 /* Minimum desired */
|
||
|
|
|
||
|
|
/* Diagnostic counters and state. */
|
||
|
|
int casreg_len; /* reg-space size for dumping */
|
||
|
|
u64 pause_entered;
|
||
|
|
u16 pause_last_time_recvd;
|
||
|
|
|
||
|
|
dma_addr_t block_dvma, tx_tiny_dvma[N_TX_RINGS];
|
||
|
|
struct pci_dev *pdev;
|
||
|
|
struct net_device *dev;
|
||
|
|
#if defined(CONFIG_OF)
|
||
|
|
struct device_node *of_node;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Firmware Info */
|
||
|
|
u16 fw_load_addr;
|
||
|
|
u32 fw_size;
|
||
|
|
u8 *fw_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define TX_DESC_NEXT(r, x) (((x) + 1) & (TX_DESC_RINGN_SIZE(r) - 1))
|
||
|
|
#define RX_DESC_ENTRY(r, x) ((x) & (RX_DESC_RINGN_SIZE(r) - 1))
|
||
|
|
#define RX_COMP_ENTRY(r, x) ((x) & (RX_COMP_RINGN_SIZE(r) - 1))
|
||
|
|
|
||
|
|
#define TX_BUFF_COUNT(r, x, y) ((x) <= (y) ? ((y) - (x)) : \
|
||
|
|
(TX_DESC_RINGN_SIZE(r) - (x) + (y)))
|
||
|
|
|
||
|
|
#define TX_BUFFS_AVAIL(cp, i) ((cp)->tx_old[(i)] <= (cp)->tx_new[(i)] ? \
|
||
|
|
(cp)->tx_old[(i)] + (TX_DESC_RINGN_SIZE(i) - 1) - (cp)->tx_new[(i)] : \
|
||
|
|
(cp)->tx_old[(i)] - (cp)->tx_new[(i)] - 1)
|
||
|
|
|
||
|
|
#define CAS_ALIGN(addr, align) \
|
||
|
|
(((unsigned long) (addr) + ((align) - 1UL)) & ~((align) - 1))
|
||
|
|
|
||
|
|
#define RX_FIFO_SIZE 16384
|
||
|
|
#define EXPANSION_ROM_SIZE 65536
|
||
|
|
|
||
|
|
#define CAS_MC_EXACT_MATCH_SIZE 15
|
||
|
|
#define CAS_MC_HASH_SIZE 256
|
||
|
|
#define CAS_MC_HASH_MAX (CAS_MC_EXACT_MATCH_SIZE + \
|
||
|
|
CAS_MC_HASH_SIZE)
|
||
|
|
|
||
|
|
#define TX_TARGET_ABORT_LEN 0x20
|
||
|
|
#define RX_SWIVEL_OFF_VAL 0x2
|
||
|
|
#define RX_AE_FREEN_VAL(x) (RX_DESC_RINGN_SIZE(x) >> 1)
|
||
|
|
#define RX_AE_COMP_VAL (RX_COMP_RING_SIZE >> 1)
|
||
|
|
#define RX_BLANK_INTR_PKT_VAL 0x05
|
||
|
|
#define RX_BLANK_INTR_TIME_VAL 0x0F
|
||
|
|
#define HP_TCP_THRESH_VAL 1530 /* reduce to enable reassembly */
|
||
|
|
|
||
|
|
#define RX_SPARE_COUNT (RX_DESC_RING_SIZE >> 1)
|
||
|
|
#define RX_SPARE_RECOVER_VAL (RX_SPARE_COUNT >> 2)
|
||
|
|
|
||
|
|
#endif /* _CASSINI_H */
|