First version of the AVR port
diff --git a/contiki-avr/uip/rtlregs.h b/contiki-avr/uip/rtlregs.h
new file mode 100644
index 0000000..fcaaebd
--- /dev/null
+++ b/contiki-avr/uip/rtlregs.h
@@ -0,0 +1,345 @@
+#ifndef _DEV_RTLREGS_H_
+#define _DEV_RTLREGS_H_
+
+/*
+ * Copyright (C) 2001-2002 by egnite Software GmbH. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgement:
+ *
+ * This product includes software developed by egnite Software GmbH
+ * and its contributors.
+ *
+ * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH 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 EGNITE
+ * SOFTWARE GMBH 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.
+ *
+ * For additional information see http://www.ethernut.de/
+ *
+ * -
+ * Portions Copyright (C) 2000 David J. Hudson <dave@humbug.demon.co.uk>
+ *
+ * This file 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.
+ *
+ * You can redistribute this file and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software Foundation;
+ * either version 2 of the License, or (at your discretion) any later version.
+ * See the accompanying file "copying-gpl.txt" for more details.
+ *
+ * As a special exception to the GPL, permission is granted for additional
+ * uses of the text contained in this file. See the accompanying file
+ * "copying-liquorice.txt" for details.
+ * -
+ * Portions Copyright (c) 1983, 1993 by
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ */
+
+/*
+ * $Log: rtlregs.h,v $
+ * Revision 1.1 2003/07/04 10:54:52 adamdunkels
+ * First version of the AVR port
+ *
+ * Revision 1.1 2003/02/05 20:49:07 adam
+ * *** empty log message ***
+ *
+ * Revision 1.6 2002/10/29 15:27:36 harald
+ * *** empty log message ***
+ *
+ * Revision 1.5 2002/06/26 17:29:08 harald
+ * First pre-release with 2.4 stack
+ *
+ */
+
+/*!
+ * \brief Realtek 8019AS register definitions.
+ */
+/*@{*/
+
+/*
+ * Register offset applicable to all register pages.
+ */
+#define NIC_CR 0x00 /*!< \brief Command register */
+#define NIC_IOPORT 0x10 /*!< \brief I/O data port */
+#define NIC_RESET 0x1f /*!< \brief Reset port */
+
+/*
+ * Page 0 register offsets.
+ */
+#define NIC_PG0_CLDA0 0x01 /*!< \brief Current local DMA address 0 */
+#define NIC_PG0_PSTART 0x01 /*!< \brief Page start register */
+#define NIC_PG0_CLDA1 0x02 /*!< \brief Current local DMA address 1 */
+#define NIC_PG0_PSTOP 0x02 /*!< \brief Page stop register */
+#define NIC_PG0_BNRY 0x03 /*!< \brief Boundary pointer */
+#define NIC_PG0_TSR 0x04 /*!< \brief Transmit status register */
+#define NIC_PG0_TPSR 0x04 /*!< \brief Transmit page start address */
+#define NIC_PG0_NCR 0x05 /*!< \brief Number of collisions register */
+#define NIC_PG0_TBCR0 0x05 /*!< \brief Transmit byte count register 0 */
+#define NIC_PG0_FIFO 0x06 /*!< \brief FIFO */
+#define NIC_PG0_TBCR1 0x06 /*!< \brief Transmit byte count register 1 */
+#define NIC_PG0_ISR 0x07 /*!< \brief Interrupt status register */
+#define NIC_PG0_CRDA0 0x08 /*!< \brief Current remote DMA address 0 */
+#define NIC_PG0_RSAR0 0x08 /*!< \brief Remote start address register 0
+ Low byte address to read from the buffer. */
+#define NIC_PG0_CRDA1 0x09 /*!< \brief Current remote DMA address 1 */
+#define NIC_PG0_RSAR1 0x09 /*!< \brief Remote start address register 1
+ High byte address to read from the buffer. */
+#define NIC_PG0_RBCR0 0x0a /*!< \brief Remote byte count register 0
+ Low byte of the number of bytes to read
+ from the buffer. */
+#define NIC_PG0_RBCR1 0x0b /*!< \brief Remote byte count register 1
+ High byte of the number of bytes to read
+ from the buffer. */
+#define NIC_PG0_RSR 0x0c /*!< \brief Receive status register */
+#define NIC_PG0_RCR 0x0c /*!< \brief Receive configuration register */
+#define NIC_PG0_CNTR0 0x0d /*!< \brief Tally counter 0 (frame alignment errors) */
+#define NIC_PG0_TCR 0x0d /*!< \brief Transmit configuration register */
+#define NIC_PG0_CNTR1 0x0e /*!< \brief Tally counter 1 (CRC errors) */
+#define NIC_PG0_DCR 0x0e /*!< \brief Data configuration register */
+#define NIC_PG0_CNTR2 0x0f /*!< \brief Tally counter 2 (Missed packet errors) */
+#define NIC_PG0_IMR 0x0f /*!< \brief Interrupt mask register */
+
+/*
+ * Page 1 register offsets.
+ */
+#define NIC_PG1_PAR0 0x01 /*!< \brief Physical address register 0 */
+#define NIC_PG1_PAR1 0x02 /*!< \brief Physical address register 1 */
+#define NIC_PG1_PAR2 0x03 /*!< \brief Physical address register 2 */
+#define NIC_PG1_PAR3 0x04 /*!< \brief Physical address register 3 */
+#define NIC_PG1_PAR4 0x05 /*!< \brief Physical address register 4 */
+#define NIC_PG1_PAR5 0x06 /*!< \brief Physical address register 5 */
+#define NIC_PG1_CURR 0x07 /*!< \brief Current page register
+ The next incoming packet will be stored
+ at this page address. */
+#define NIC_PG1_MAR0 0x08 /*!< \brief Multicast address register 0 */
+#define NIC_PG1_MAR1 0x09 /*!< \brief Multicast address register 1 */
+#define NIC_PG1_MAR2 0x0a /*!< \brief Multicast address register 2 */
+#define NIC_PG1_MAR3 0x0b /*!< \brief Multicast address register 3 */
+#define NIC_PG1_MAR4 0x0c /*!< \brief Multicast address register 4 */
+#define NIC_PG1_MAR5 0x0d /*!< \brief Multicast address register 5 */
+#define NIC_PG1_MAR6 0x0e /*!< \brief Multicast address register 6 */
+#define NIC_PG1_MAR7 0x0f /*!< \brief Multicast address register 7 */
+
+/*
+ * Page 2 register offsets.
+ */
+#define NIC_PG2_PSTART 0x01 /*!< \brief Page start register */
+#define NIC_PG2_CLDA0 0x01 /*!< \brief Current local DMA address 0 */
+#define NIC_PG2_PSTOP 0x02 /*!< \brief Page stop register */
+#define NIC_PG2_CLDA1 0x02 /*!< \brief Current local DMA address 1 */
+#define NIC_PG2_RNP 0x03 /*!< \brief Remote next packet pointer */
+#define NIC_PG2_TSPR 0x04 /*!< \brief Transmit page start register */
+#define NIC_PG2_LNP 0x05 /*!< \brief Local next packet pointer */
+#define NIC_PG2_ACU 0x06 /*!< \brief Address counter (upper) */
+#define NIC_PG2_ACL 0x07 /*!< \brief Address counter (lower) */
+#define NIC_PG2_RCR 0x0c /*!< \brief Receive configuration register */
+#define NIC_PG2_TCR 0x0d /*!< \brief Transmit configuration register */
+#define NIC_PG2_DCR 0x0e /*!< \brief Data configuration register */
+#define NIC_PG2_IMR 0x0f /*!< \brief Interrupt mask register */
+
+/*
+ * Page 3 register offsets.
+ */
+#define NIC_PG3_EECR 0x01 /*!< \brief EEPROM command register */
+#define NIC_PG3_BPAGE 0x02 /*!< \brief Boot-ROM page register */
+#define NIC_PG3_CONFIG0 0x03 /*!< \brief Configuration register 0 (r/o) */
+#define NIC_PG3_CONFIG1 0x04 /*!< \brief Configuration register 1 */
+#define NIC_PG3_CONFIG2 0x05 /*!< \brief Configuration register 2 */
+#define NIC_PG3_CONFIG3 0x06 /*!< \brief Configuration register 3 */
+#define NIC_PG3_CSNSAV 0x08 /*!< \brief CSN save register (r/o) */
+#define NIC_PG3_HLTCLK 0x09 /*!< \brief Halt clock */
+#define NIC_PG3_INTR 0x0b /*!< \brief Interrupt pins (r/o) */
+
+/*
+ * Command register bits.
+ */
+#define NIC_CR_STP 0x01 /*!< \brief Stop */
+#define NIC_CR_STA 0x02 /*!< \brief Start */
+#define NIC_CR_TXP 0x04 /*!< \brief Transmit packet */
+#define NIC_CR_RD0 0x08 /*!< \brief Remote DMA command bit 0 */
+#define NIC_CR_RD1 0x10 /*!< \brief Remote DMA command bit 1 */
+#define NIC_CR_RD2 0x20 /*!< \brief Remote DMA command bit 2 */
+#define NIC_CR_PS0 0x40 /*!< \brief Page select bit 0 */
+#define NIC_CR_PS1 0x80 /*!< \brief Page select bit 1 */
+
+/*
+ * Interrupt status register bits.
+ */
+#define NIC_ISR_PRX 0x01 /*!< \brief Packet received */
+#define NIC_ISR_PTX 0x02 /*!< \brief Packet transmitted */
+#define NIC_ISR_RXE 0x04 /*!< \brief Receive error */
+#define NIC_ISR_TXE 0x08 /*!< \brief Transmit error */
+#define NIC_ISR_OVW 0x10 /*!< \brief Overwrite warning */
+#define NIC_ISR_CNT 0x20 /*!< \brief Counter overflow */
+#define NIC_ISR_RDC 0x40 /*!< \brief Remote DMA complete */
+#define NIC_ISR_RST 0x80 /*!< \brief Reset status */
+
+/*
+ * Interrupt mask register bits.
+ */
+#define NIC_IMR_PRXE 0x01 /*!< \brief Packet received interrupt enable */
+#define NIC_IMR_PTXE 0x02 /*!< \brief Packet transmitted interrupt enable */
+#define NIC_IMR_RXEE 0x04 /*!< \brief Receive error interrupt enable */
+#define NIC_IMR_TXEE 0x08 /*!< \brief Transmit error interrupt enable */
+#define NIC_IMR_OVWE 0x10 /*!< \brief Overwrite warning interrupt enable */
+#define NIC_IMR_CNTE 0x20 /*!< \brief Counter overflow interrupt enable */
+#define NIC_IMR_RCDE 0x40 /*!< \brief Remote DMA complete interrupt enable */
+
+/*
+ * Data configuration register bits.
+ */
+#define NIC_DCR_WTS 0x01 /*!< \brief Word transfer select */
+#define NIC_DCR_BOS 0x02 /*!< \brief Byte order select */
+#define NIC_DCR_LAS 0x04 /*!< \brief Long address select */
+#define NIC_DCR_LS 0x08 /*!< \brief Loopback select */
+#define NIC_DCR_AR 0x10 /*!< \brief Auto-initialize remote */
+#define NIC_DCR_FT0 0x20 /*!< \brief FIFO threshold select bit 0 */
+#define NIC_DCR_FT1 0x40 /*!< \brief FIFO threshold select bit 1 */
+
+/*
+ * Transmit configuration register bits.
+ */
+#define NIC_TCR_CRC 0x01 /*!< \brief Inhibit CRC */
+#define NIC_TCR_LB0 0x02 /*!< \brief Encoded loopback control bit 0 */
+#define NIC_TCR_LB1 0x04 /*!< \brief Encoded loopback control bit 1 */
+#define NIC_TCR_ATD 0x08 /*!< \brief Auto transmit disable */
+#define NIC_TCR_OFST 0x10 /*!< \brief Collision offset enable */
+
+/*
+ * Transmit status register bits.
+ */
+#define NIC_TSR_PTX 0x01 /*!< \brief Packet transmitted */
+#define NIC_TSR_COL 0x04 /*!< \brief Transmit collided */
+#define NIC_TSR_ABT 0x08 /*!< \brief Transmit aborted */
+#define NIC_TSR_CRS 0x10 /*!< \brief Carrier sense lost */
+#define NIC_TSR_FU 0x20 /*!< \brief FIFO underrun */
+#define NIC_TSR_CDH 0x40 /*!< \brief CD heartbeat */
+#define NIC_TSR_OWC 0x80 /*!< \brief Out of window collision */
+
+/*
+ * Receive configuration register bits.
+ */
+#define NIC_RCR_SEP 0x01 /*!< \brief Save errored packets */
+#define NIC_RCR_AR 0x02 /*!< \brief Accept runt packets */
+#define NIC_RCR_AB 0x04 /*!< \brief Accept broadcast */
+#define NIC_RCR_AM 0x08 /*!< \brief Accept multicast */
+#define NIC_RCR_PRO 0x10 /*!< \brief Promiscuous physical */
+#define NIC_RCR_MON 0x20 /*!< \brief Monitor mode */
+
+/*
+ * Receive status register bits.
+ */
+#define NIC_RSR_PRX 0x01 /*!< \brief Packet received intact */
+#define NIC_RSR_CRC 0x02 /*!< \brief CRC error */
+#define NIC_RSR_FAE 0x04 /*!< \brief Frame alignment error */
+#define NIC_RSR_FO 0x08 /*!< \brief FIFO overrun */
+#define NIC_RSR_MPA 0x10 /*!< \brief Missed packet */
+#define NIC_RSR_PHY 0x20 /*!< \brief Physical/multicast address */
+#define NIC_RSR_DIS 0x40 /*!< \brief Receiver disabled */
+#define NIC_RSR_DFR 0x80 /*!< \brief Deferring */
+
+/*
+ * EEPROM command register bits.
+ */
+#define NIC_EECR_EEM1 0x80 /*!< \brief EEPROM Operating Mode */
+#define NIC_EECR_EEM0 0x40 /*!< \brief EEPROM Operating Mode
+ - 0 0 Normal operation
+ - 0 1 Auto-load
+ - 1 0 9346 programming
+ - 1 1 Config register write enab */
+#define NIC_EECR_EECS 0x08 /*!< \brief EEPROM Chip Select */
+#define NIC_EECR_EESK 0x04 /*!< \brief EEPROM Clock */
+#define NIC_EECR_EEDI 0x02 /*!< \brief EEPROM Data In */
+#define NIC_EECR_EEDO 0x01 /*!< \brief EEPROM Data Out */
+
+/*
+ * Configuration register 2 bits.
+ */
+#define NIC_CONFIG2_PL1 0x80 /*!< \brief Network media type */
+#define NIC_CONFIG2_PL0 0x40 /*!< \brief Network media type
+ - 0 0 TP/CX auto-detect
+ - 0 1 10baseT
+ - 1 0 10base5
+ - 1 1 10base2 */
+#define NIC_CONFIG2_BSELB 0x20 /*!< \brief BROM disable */
+#define NIC_CONFIG2_BS4 0x10 /*!< \brief BROM size/base */
+#define NIC_CONFIG2_BS3 0x08
+#define NIC_CONFIG2_BS2 0x04
+#define NIC_CONFIG2_BS1 0x02
+#define NIC_CONFIG2_BS0 0x01
+
+/*
+ * Configuration register 3 bits
+ */
+#define NIC_CONFIG3_PNP 0x80 /*!< \brief PnP Mode */
+#define NIC_CONFIG3_FUDUP 0x40 /*!< \brief Full duplex */
+#define NIC_CONFIG3_LEDS1 0x20 /*!< \brief LED1/2 pin configuration
+ - 0 LED1 == LED_RX, LED2 == LED_TX
+ - 1 LED1 == LED_CRS, LED2 == MCSB */
+#define NIC_CONFIG3_LEDS0 0x10 /*!< \brief LED0 pin configration
+ - 0 LED0 pin == LED_COL
+ - 1 LED0 pin == LED_LINK */
+#define NIC_CONFIG3_SLEEP 0x04 /*!< \brief Sleep mode */
+#define NIC_CONFIG3_PWRDN 0x02 /*!< \brief Power Down */
+#define NIC_CONFIG3_ACTIVEB 0x01 /*!< \brief inverse of bit 0 in PnP Act Reg */
+
+/*@}*/
+
+/*!
+ * \brief Read byte from controller register.
+ */
+#define nic_read(reg) *(base + (reg))
+
+/*!
+ * \brief Write byte to controller register.
+ */
+#define nic_write(reg, data) *(base + (reg)) = data
+
+#endif