forked from Archive/PX4-Autopilot
124 lines
4.8 KiB
C
124 lines
4.8 KiB
C
/****************************************************************************
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* drivers/net/e1000.h
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*
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* Copyright (C) 2011 Yu Qiang. All rights reserved.
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* Author: Yu Qiang <yuq825@gmail.com>
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*
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* This file is a part of NuttX:
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_NET_E1000_H
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#define __DRIVERS_NET_E1000_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <rgmp/types.h>
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#include <rgmp/trap.h>
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#include <rgmp/arch/arch.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/************** PCI ID ***************/
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#define INTEL_VENDERID 0x8086
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#define E1000_82573L 0x109a
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#define E1000_82540EM 0x100e
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#define E1000_82574L 0x10d3
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#define E1000_82567LM 0x10f5
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#define E1000_82541PI 0x107c
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/****************************************************************************
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* Public Types
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****************************************************************************/
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enum e1000_registers {
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E1000_CTRL = 0x0000, // Device Control
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E1000_STATUS = 0x0008, // Device Status
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E1000_CTRL_EXT = 0x0018, // Device Control Extension
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E1000_FCAL = 0x0028, // Flow Control Address Low
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E1000_FCAH = 0x002C, // Flow Control Address High
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E1000_FCT = 0x0030, // Flow Control Type
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E1000_ICR = 0x00C0, // Interrupt Cause Read
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E1000_ICS = 0x00C8, // Interrupt Cause Set
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E1000_IMS = 0x00D0, // Interrupt Mask Set
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E1000_IMC = 0x00D8, // Interrupt Mask Clear
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E1000_RCTL = 0x0100, // Receive Control
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E1000_FCTTV = 0x0170, // Flow Control Transmit Timer Value
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E1000_TCTL = 0x0400, // Transmit Control
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E1000_PBA = 0x1000, // Packet Buffer Allocation
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E1000_FCRTL = 0x2160, // Flow Control Receive Threshold Low
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E1000_FCRTH = 0x2168, // Flow Control Receive Threshold High
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E1000_RDBAL = 0x2800, // Rx Descriptor Base Address Low
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E1000_RDBAH = 0x2804, // Rx Descriptor Base Address High
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E1000_RDLEN = 0x2808, // Rx Descriptor Length
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E1000_RDH = 0x2810, // Rx Descriptor Head
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E1000_RDT = 0x2818, // Rx Descriptor Tail
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E1000_RXDCTL = 0x2828, // Rx Descriptor Control
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E1000_TDBAL = 0x3800, // Tx Descriptor Base Address Low
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E1000_TDBAH = 0x3804, // Tx Descriptor Base Address High
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E1000_TDLEN = 0x3808, // Tx Descriptor Length
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E1000_TDH = 0x3810, // Tx Descriptor Head
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E1000_TDT = 0x3818, // Tx Descriptor Tail
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E1000_TXDCTL = 0x3828, // Tx Descriptor Control
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E1000_TPR = 0x40D0, // Total Packets Received
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E1000_TPT = 0x40D4, // Total Packets Transmitted
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E1000_RA = 0x5400, // Receive-filter Array
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};
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/***************** e1000 device structure *****************/
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struct tx_desc {
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uint64_t base_address;
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uint16_t packet_length;
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uint8_t cksum_offset;
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uint8_t desc_command;
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uint8_t desc_status;
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uint8_t cksum_origin;
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uint16_t special_info;
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};
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struct rx_desc {
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uint64_t base_address;
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uint16_t packet_length;
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uint16_t packet_cksum;
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uint8_t desc_status;
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uint8_t desc_errors;
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uint16_t vlan_tag;
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};
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#endif
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