gem5/dev/ns_gige_reg.h
Nathan Binkert 7546fabe68 Ethernet devices have an RSS option to tell the driver to
use Receive side scaling

dev/ns_gige.cc:
dev/ns_gige.hh:
dev/ns_gige_reg.h:
dev/sinic.cc:
dev/sinic.hh:
dev/sinicreg.hh:
    add support for setting the RSS flag to notify the driver
    to use RSS

--HG--
extra : convert_revision : 5f0c11668ae976634b3bf0caad669a9464a4c041
2006-03-03 14:17:48 -05:00

351 lines
11 KiB
C

/*
* Copyright (c) 2004-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @file
* Ethernet device register definitions for the National
* Semiconductor DP83820 Ethernet controller
*/
#ifndef __DEV_NS_GIGE_REG_H__
#define __DEV_NS_GIGE_REG_H__
/* Device Register Address Map */
#define CR 0x00
#define CFGR 0x04
#define MEAR 0x08
#define PTSCR 0x0c
#define ISR 0x10
#define IMR 0x14
#define IER 0x18
#define IHR 0x1c
#define TXDP 0x20
#define TXDP_HI 0x24
#define TX_CFG 0x28
#define GPIOR 0x2c
#define RXDP 0x30
#define RXDP_HI 0x34
#define RX_CFG 0x38
#define PQCR 0x3c
#define WCSR 0x40
#define PCR 0x44
#define RFCR 0x48
#define RFDR 0x4c
#define BRAR 0x50
#define BRDR 0x54
#define SRR 0x58
#define MIBC 0x5c
#define MIB_START 0x60
#define MIB_END 0x88
#define VRCR 0xbc
#define VTCR 0xc0
#define VDR 0xc4
#define CCSR 0xcc
#define TBICR 0xe0
#define TBISR 0xe4
#define TANAR 0xe8
#define TANLPAR 0xec
#define TANER 0xf0
#define TESR 0xf4
#define M5REG 0xf8
#define LAST 0xf8
#define RESERVED 0xfc
/* Chip Command Register */
#define CR_TXE 0x00000001
#define CR_TXD 0x00000002
#define CR_RXE 0x00000004
#define CR_RXD 0x00000008
#define CR_TXR 0x00000010
#define CR_RXR 0x00000020
#define CR_SWI 0x00000080
#define CR_RST 0x00000100
/* configuration register */
#define CFGR_LNKSTS 0x80000000
#define CFGR_SPDSTS 0x60000000
#define CFGR_SPDSTS1 0x40000000
#define CFGR_SPDSTS0 0x20000000
#define CFGR_DUPSTS 0x10000000
#define CFGR_TBI_EN 0x01000000
#define CFGR_RESERVED 0x0e000000
#define CFGR_MODE_1000 0x00400000
#define CFGR_AUTO_1000 0x00200000
#define CFGR_PINT_CTL 0x001c0000
#define CFGR_PINT_DUPSTS 0x00100000
#define CFGR_PINT_LNKSTS 0x00080000
#define CFGR_PINT_SPDSTS 0x00040000
#define CFGR_TMRTEST 0x00020000
#define CFGR_MRM_DIS 0x00010000
#define CFGR_MWI_DIS 0x00008000
#define CFGR_T64ADDR 0x00004000
#define CFGR_PCI64_DET 0x00002000
#define CFGR_DATA64_EN 0x00001000
#define CFGR_M64ADDR 0x00000800
#define CFGR_PHY_RST 0x00000400
#define CFGR_PHY_DIS 0x00000200
#define CFGR_EXTSTS_EN 0x00000100
#define CFGR_REQALG 0x00000080
#define CFGR_SB 0x00000040
#define CFGR_POW 0x00000020
#define CFGR_EXD 0x00000010
#define CFGR_PESEL 0x00000008
#define CFGR_BROM_DIS 0x00000004
#define CFGR_EXT_125 0x00000002
#define CFGR_BEM 0x00000001
/* EEPROM access register */
#define MEAR_EEDI 0x00000001
#define MEAR_EEDO 0x00000002
#define MEAR_EECLK 0x00000004
#define MEAR_EESEL 0x00000008
#define MEAR_MDIO 0x00000010
#define MEAR_MDDIR 0x00000020
#define MEAR_MDC 0x00000040
/* PCI test control register */
#define PTSCR_EEBIST_FAIL 0x00000001
#define PTSCR_EEBIST_EN 0x00000002
#define PTSCR_EELOAD_EN 0x00000004
#define PTSCR_RBIST_FAIL 0x000001b8
#define PTSCR_RBIST_DONE 0x00000200
#define PTSCR_RBIST_EN 0x00000400
#define PTSCR_RBIST_RST 0x00002000
#define PTSCR_RBIST_RDONLY 0x000003f9
/* interrupt status register */
#define ISR_RESERVE 0x80000000
#define ISR_TXDESC3 0x40000000
#define ISR_TXDESC2 0x20000000
#define ISR_TXDESC1 0x10000000
#define ISR_TXDESC0 0x08000000
#define ISR_RXDESC3 0x04000000
#define ISR_RXDESC2 0x02000000
#define ISR_RXDESC1 0x01000000
#define ISR_RXDESC0 0x00800000
#define ISR_TXRCMP 0x00400000
#define ISR_RXRCMP 0x00200000
#define ISR_DPERR 0x00100000
#define ISR_SSERR 0x00080000
#define ISR_RMABT 0x00040000
#define ISR_RTABT 0x00020000
#define ISR_RXSOVR 0x00010000
#define ISR_HIBINT 0x00008000
#define ISR_PHY 0x00004000
#define ISR_PME 0x00002000
#define ISR_SWI 0x00001000
#define ISR_MIB 0x00000800
#define ISR_TXURN 0x00000400
#define ISR_TXIDLE 0x00000200
#define ISR_TXERR 0x00000100
#define ISR_TXDESC 0x00000080
#define ISR_TXOK 0x00000040
#define ISR_RXORN 0x00000020
#define ISR_RXIDLE 0x00000010
#define ISR_RXEARLY 0x00000008
#define ISR_RXERR 0x00000004
#define ISR_RXDESC 0x00000002
#define ISR_RXOK 0x00000001
#define ISR_ALL 0x7FFFFFFF
#define ISR_DELAY (ISR_TXIDLE|ISR_TXDESC|ISR_TXOK| \
ISR_RXIDLE|ISR_RXDESC|ISR_RXOK)
#define ISR_NODELAY (ISR_ALL & ~ISR_DELAY)
#define ISR_IMPL (ISR_SWI|ISR_TXIDLE|ISR_TXDESC|ISR_TXOK|ISR_RXORN| \
ISR_RXIDLE|ISR_RXDESC|ISR_RXOK)
#define ISR_NOIMPL (ISR_ALL & ~ISR_IMPL)
/* transmit configuration register */
#define TX_CFG_CSI 0x80000000
#define TX_CFG_HBI 0x40000000
#define TX_CFG_MLB 0x20000000
#define TX_CFG_ATP 0x10000000
#define TX_CFG_ECRETRY 0x00800000
#define TX_CFG_BRST_DIS 0x00080000
#define TX_CFG_MXDMA1024 0x00000000
#define TX_CFG_MXDMA512 0x00700000
#define TX_CFG_MXDMA256 0x00600000
#define TX_CFG_MXDMA128 0x00500000
#define TX_CFG_MXDMA64 0x00400000
#define TX_CFG_MXDMA32 0x00300000
#define TX_CFG_MXDMA16 0x00200000
#define TX_CFG_MXDMA8 0x00100000
#define TX_CFG_MXDMA 0x00700000
#define TX_CFG_FLTH_MASK 0x0000ff00
#define TX_CFG_DRTH_MASK 0x000000ff
/*general purpose I/O control register */
#define GPIOR_UNUSED 0xffff8000
#define GPIOR_GP5_IN 0x00004000
#define GPIOR_GP4_IN 0x00002000
#define GPIOR_GP3_IN 0x00001000
#define GPIOR_GP2_IN 0x00000800
#define GPIOR_GP1_IN 0x00000400
#define GPIOR_GP5_OE 0x00000200
#define GPIOR_GP4_OE 0x00000100
#define GPIOR_GP3_OE 0x00000080
#define GPIOR_GP2_OE 0x00000040
#define GPIOR_GP1_OE 0x00000020
#define GPIOR_GP5_OUT 0x00000010
#define GPIOR_GP4_OUT 0x00000008
#define GPIOR_GP3_OUT 0x00000004
#define GPIOR_GP2_OUT 0x00000002
#define GPIOR_GP1_OUT 0x00000001
/* receive configuration register */
#define RX_CFG_AEP 0x80000000
#define RX_CFG_ARP 0x40000000
#define RX_CFG_STRIPCRC 0x20000000
#define RX_CFG_RX_FD 0x10000000
#define RX_CFG_ALP 0x08000000
#define RX_CFG_AIRL 0x04000000
#define RX_CFG_MXDMA512 0x00700000
#define RX_CFG_MXDMA 0x00700000
#define RX_CFG_DRTH 0x0000003e
#define RX_CFG_DRTH0 0x00000002
/* pause control status register */
#define PCR_PSEN (1 << 31)
#define PCR_PS_MCAST (1 << 30)
#define PCR_PS_DA (1 << 29)
#define PCR_STHI_8 (3 << 23)
#define PCR_STLO_4 (1 << 23)
#define PCR_FFHI_8K (3 << 21)
#define PCR_FFLO_4K (1 << 21)
#define PCR_PAUSE_CNT 0xFFFE
/*receive filter/match control register */
#define RFCR_RFEN 0x80000000
#define RFCR_AAB 0x40000000
#define RFCR_AAM 0x20000000
#define RFCR_AAU 0x10000000
#define RFCR_APM 0x08000000
#define RFCR_APAT 0x07800000
#define RFCR_APAT3 0x04000000
#define RFCR_APAT2 0x02000000
#define RFCR_APAT1 0x01000000
#define RFCR_APAT0 0x00800000
#define RFCR_AARP 0x00400000
#define RFCR_MHEN 0x00200000
#define RFCR_UHEN 0x00100000
#define RFCR_ULM 0x00080000
#define RFCR_RFADDR 0x000003ff
/* receive filter/match data register */
#define RFDR_BMASK 0x00030000
#define RFDR_RFDATA0 0x000000ff
#define RFDR_RFDATA1 0x0000ff00
/* management information base control register */
#define MIBC_MIBS 0x00000008
#define MIBC_ACLR 0x00000004
#define MIBC_FRZ 0x00000002
#define MIBC_WRN 0x00000001
/* VLAN/IP receive control register */
#define VRCR_RUDPE 0x00000080
#define VRCR_RTCPE 0x00000040
#define VRCR_RIPE 0x00000020
#define VRCR_IPEN 0x00000010
#define VRCR_DUTF 0x00000008
#define VRCR_DVTF 0x00000004
#define VRCR_VTREN 0x00000002
#define VRCR_VTDEN 0x00000001
/* VLAN/IP transmit control register */
#define VTCR_PPCHK 0x00000008
#define VTCR_GCHK 0x00000004
#define VTCR_VPPTI 0x00000002
#define VTCR_VGTI 0x00000001
/* Clockrun Control/Status Register */
#define CCSR_CLKRUN_EN 0x00000001
/* TBI control register */
#define TBICR_MR_LOOPBACK 0x00004000
#define TBICR_MR_AN_ENABLE 0x00001000
#define TBICR_MR_RESTART_AN 0x00000200
/* TBI status register */
#define TBISR_MR_LINK_STATUS 0x00000020
#define TBISR_MR_AN_COMPLETE 0x00000004
/* TBI auto-negotiation advertisement register */
#define TANAR_NP 0x00008000
#define TANAR_RF2 0x00002000
#define TANAR_RF1 0x00001000
#define TANAR_PS2 0x00000100
#define TANAR_PS1 0x00000080
#define TANAR_HALF_DUP 0x00000040
#define TANAR_FULL_DUP 0x00000020
#define TANAR_UNUSED 0x00000E1F
/* M5 control register */
#define M5REG_RESERVED 0xfffffffc
#define M5REG_RSS 0x00000004
#define M5REG_RX_THREAD 0x00000002
#define M5REG_TX_THREAD 0x00000001
struct ns_desc32 {
uint32_t link; /* link field to next descriptor in linked list */
uint32_t bufptr; /* pointer to the first fragment or buffer */
uint32_t cmdsts; /* command/status field */
uint32_t extsts; /* extended status field for VLAN and IP info */
};
struct ns_desc64 {
uint64_t link; /* link field to next descriptor in linked list */
uint64_t bufptr; /* pointer to the first fragment or buffer */
uint32_t cmdsts; /* command/status field */
uint32_t extsts; /* extended status field for VLAN and IP info */
};
/* cmdsts flags for descriptors */
#define CMDSTS_OWN 0x80000000
#define CMDSTS_MORE 0x40000000
#define CMDSTS_INTR 0x20000000
#define CMDSTS_ERR 0x10000000
#define CMDSTS_OK 0x08000000
#define CMDSTS_LEN_MASK 0x0000ffff
#define CMDSTS_DEST_MASK 0x01800000
#define CMDSTS_DEST_SELF 0x00800000
#define CMDSTS_DEST_MULTI 0x01000000
/* extended flags for descriptors */
#define EXTSTS_UDPERR 0x00400000
#define EXTSTS_UDPPKT 0x00200000
#define EXTSTS_TCPERR 0x00100000
#define EXTSTS_TCPPKT 0x00080000
#define EXTSTS_IPERR 0x00040000
#define EXTSTS_IPPKT 0x00020000
/* speed status */
#define SPDSTS_POLARITY (CFGR_SPDSTS1 | CFGR_SPDSTS0 | CFGR_DUPSTS | (lnksts ? CFGR_LNKSTS : 0))
#endif /* __DEV_NS_GIGE_REG_H__ */