first pass at ns_ethernet device. more will come later as i merge in nate's new ether infrastructure.
dev/etherpkt.hh:
add some stuff for support of the NS ethernet device.
--HG--
extra : convert_revision : 51f6508463b6394055e3428a42b7de490a9ae6c1
diff --git a/dev/ns_gige_reg.h b/dev/ns_gige_reg.h
new file mode 100644
index 0000000..5b0f961
--- /dev/null
+++ b/dev/ns_gige_reg.h
@@ -0,0 +1,372 @@
+/*
+ * Copyright (c) 2003 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.
+ */
+
+/* Portions of code taken from: */
+
+/* ns83820.c by Benjamin LaHaise with contributions.
+ *
+ * Questions/comments/discussion to linux-ns83820@kvack.org.
+ *
+ * $Revision: 1.34.2.23 $
+ *
+ * Copyright 2001 Benjamin LaHaise.
+ * Copyright 2001, 2002 Red Hat.
+ *
+ * Mmmm, chocolate vanilla mocha...
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+
+
+
+/* @file
+ * Ethernet device register definitions for the National
+ * Semiconductor DP83820 Ethernet controller
+ */
+
+#ifndef _NS_GIGE_H
+#define _NS_GIGE_H_
+
+/*
+ * Configuration Register Map
+ */
+#define NS_ID 0x00 /* identification register */
+#define NS_CS 0x04 /* command and status register */
+#define NS_RID 0x08 /* revision ID register */
+#define NS_LAT 0x0C /* latency timer register */
+#define NS_IOA 0x10 /* IO base address register */
+#define NS_MA 0x14 /* memory address register */
+#define NS_MA1 0x18 /* memory address high dword register */
+#define NS_SID 0x2C /* subsystem identification register */
+#define NS_ROM 0x30 /* boot ROM configuration register */
+#define NS_CAPPTR 0x34 /* number of tx descriptors */
+#define NS_INT 0x3C /* interrupt select register */
+#define NS_PMCAP 0x40 /* power mgmt capabilities register */
+#define NS_PMCS 0x44 /* power mgmt control and status
+ register */
+/* Operational Register Map */
+#define CR 0x00
+#define CFG 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 TXCFG 0x28
+#define GPIOR 0x2c
+#define RXDP 0x30
+#define RXDP_HI 0x34
+#define RXCFG 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 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 LAST 0xf4
+#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 CFG_LNKSTS 0x80000000
+#define CFG_SPDSTS 0x60000000
+#define CFG_SPDSTS1 0x40000000
+#define CFG_SPDSTS0 0x20000000
+#define CFG_DUPSTS 0x10000000
+#define CFG_TBI_EN 0x01000000
+#define CFG_RESERVED 0x0e000000
+#define CFG_MODE_1000 0x00400000
+#define CFG_AUTO_1000 0x00200000
+#define CFG_PINT_CTL 0x001c0000
+#define CFG_PINT_DUPSTS 0x00100000
+#define CFG_PINT_LNKSTS 0x00080000
+#define CFG_PINT_SPDSTS 0x00040000
+#define CFG_TMRTEST 0x00020000
+#define CFG_MRM_DIS 0x00010000
+#define CFG_MWI_DIS 0x00008000
+#define CFG_T64ADDR 0x00004000
+#define CFG_PCI64_DET 0x00002000
+#define CFG_DATA64_EN 0x00001000
+#define CFG_M64ADDR 0x00000800
+#define CFG_PHY_RST 0x00000400
+#define CFG_PHY_DIS 0x00000200
+#define CFG_EXTSTS_EN 0x00000100
+#define CFG_REQALG 0x00000080
+#define CFG_SB 0x00000040
+#define CFG_POW 0x00000020
+#define CFG_EXD 0x00000010
+#define CFG_PESEL 0x00000008
+#define CFG_BROM_DIS 0x00000004
+#define CFG_EXT_125 0x00000002
+#define CFG_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
+
+/* 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
+
+/* transmit configuration register */
+#define TXCFG_CSI 0x80000000
+#define TXCFG_HBI 0x40000000
+#define TXCFG_MLB 0x20000000
+#define TXCFG_ATP 0x10000000
+#define TXCFG_ECRETRY 0x00800000
+#define TXCFG_BRST_DIS 0x00080000
+#define TXCFG_MXDMA1024 0x00000000
+#define TXCFG_MXDMA512 0x00700000
+#define TXCFG_MXDMA256 0x00600000
+#define TXCFG_MXDMA128 0x00500000
+#define TXCFG_MXDMA64 0x00400000
+#define TXCFG_MXDMA32 0x00300000
+#define TXCFG_MXDMA16 0x00200000
+#define TXCFG_MXDMA8 0x00100000
+
+#define TXCFG_FLTH_MASK 0x0000ff00
+#define TXCFG_DRTH_MASK 0x000000ff
+
+/*general purpose I/O control register */
+#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_GP3_OUT 0x00000004
+#define GPIOR_GP1_OUT 0x00000001
+
+/* receive configuration register */
+#define RXCFG_AEP 0x80000000
+#define RXCFG_ARP 0x40000000
+#define RXCFG_STRIPCRC 0x20000000
+#define RXCFG_RX_FD 0x10000000
+#define RXCFG_ALP 0x08000000
+#define RXCFG_AIRL 0x04000000
+#define RXCFG_MXDMA512 0x00700000
+#define RXCFG_DRTH 0x0000003e
+#define RXCFG_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_PS2 0x00000100
+#define TANAR_PS1 0x00000080
+#define TANAR_HALF_DUP 0x00000040
+#define TANAR_FULL_DUP 0x00000020
+
+/*
+ * descriptor format currently assuming link and bufptr
+ * are set for 32 bits,( may be wrong ) ASSUME32
+ */
+struct ns_desc {
+ 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 */
+};
+
+/* ASSUME32 in bytes, how big the desc fields are */
+#define LINK_LEN 4
+#define BUFPTR_LEN 4
+#define CMDSTS_LEN 4
+#define EXTSTS_LEN 4
+
+/* 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 (CFG_SPDSTS1 | CFG_SPDSTS0 | CFG_DUPSTS | (lnksts ? CFG_LNKSTS : 0))
+
+#endif /* _NS_GIGE_H_ */
