tmk_core/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_NXP/lpc_emac_config.h

   1 /**********************************************************************
   2 * $Id$          lpc_emac_config.h                       2011-11-20
   3 *//**
   4 * @file         lpc_emac_config.h
   5 * @brief        PHY and EMAC configuration file
   6 * @version      1.0
   7 * @date         20 Nov. 2011
   8 * @author       NXP MCU SW Application Team
   9 *
  10 * Copyright(C) 2011, NXP Semiconductor
  11 * All rights reserved.
  12 *
  13 ***********************************************************************
  14 * Software that is described herein is for illustrative purposes only
  15 * which provides customers with programming information regarding the
  16 * products. This software is supplied "AS IS" without any warranties.
  17 * NXP Semiconductors assumes no responsibility or liability for the
  18 * use of the software, conveys no license or title under any patent,
  19 * copyright, or mask work right to the product. NXP Semiconductors
  20 * reserves the right to make changes in the software without
  21 * notification. NXP Semiconductors also make no representation or
  22 * warranty that such application will be suitable for the specified
  23 * use without further testing or modification.
  24 **********************************************************************/
  25
  26 #ifndef __LPC_EMAC_CONFIG_H
  27 #define __LPC_EMAC_CONFIG_H
  28
  29 #include "lwip/opt.h"
  30
  31 #ifdef __cplusplus
  32 extern "C"
  33 {
  34 #endif
  35
  36 /** @defgroup lwip_phy_config   LWIP PHY configuration
  37  * @ingroup lwip_phy
  38  *
  39  * Configuration options for the PHY connected to the LPC EMAC.
  40  * @{
  41  */
  42
  43 /** \brief  The PHY address connected the to MII/RMII
  44  */
  45 #define LPC_PHYDEF_PHYADDR 1    /**< The PHY address on the PHY device. */
  46
  47 /** \brief  Enable autonegotiation mode.
  48  *          If this is enabled, the PHY will attempt to auto-negotiate the
  49  *          best link mode if the PHY supports it. If this is not enabled,
  50  *          the PHY_USE_FULL_DUPLEX and PHY_USE_100MBS defines will be
  51  *          used to select the link mode. Note that auto-negotiation may
  52  *          take a few seconds to complete.
  53  */
  54 #define PHY_USE_AUTONEG 1 /**< Enables auto-negotiation mode. */
  55
  56 /** \brief  Sets up the PHY interface to either full duplex operation or
  57  *          half duplex operation if PHY_USE_AUTONEG is not enabled.
  58  */
  59 #define PHY_USE_FULL_DUPLEX 1 /**< Sets duplex mode to full. */
  60
  61 /** \brief  Sets up the PHY interface to either 100MBS operation or 10MBS
  62  *          operation if PHY_USE_AUTONEG is not enabled.
  63  */
  64 #define PHY_USE_100MBS 1 /**< Sets data rate to 100Mbps. */
  65
  66 /**
  67  * @}
  68  */
  69
  70 /** @defgroup lwip_emac_config  LWIP EMAC configuration
  71  * @ingroup lwip_emac
  72  *
  73  * Configuration options for the LPC EMAC.
  74  * @{
  75  */
  76
  77 /** \brief  Selects RMII or MII connection type in the EMAC peripheral
  78  */
  79 #define LPC_EMAC_RMII 1         /**< Use the RMII or MII driver variant .*/
  80
  81 /** \brief  Defines the number of descriptors used for RX. This
  82  *          must be a minimum value of 2.
  83  */
  84 #define LPC_NUM_BUFF_RXDESCS 3
  85
  86 /** \brief  Defines the number of descriptors used for TX. Must
  87  *          be a minimum value of 2.
  88  */
  89 #define LPC_NUM_BUFF_TXDESCS (TCP_SND_QUEUELEN + 1)
  90
  91 /** \brief  Set this define to 1 to enable bounce buffers for transmit pbufs
  92  *          that cannot be sent via the zero-copy method. Some chained pbufs
  93  *          may have a payload address that links to an area of memory that
  94  *          cannot be used for transmit DMA operations. If this define is
  95  *          set to 1, an extra check will be made with the pbufs. If a buffer
  96  *          is determined to be non-usable for zero-copy, a temporary bounce
  97  *          buffer will be created and used instead.
  98  */
  99 #define LPC_TX_PBUF_BOUNCE_EN 1
 100
 101 /**
 102  * @}
 103  */
 104
 105 #ifdef __cplusplus
 106 }
 107 #endif
 108
 109 #endif /* __LPC_EMAC_CONFIG_H */
 110
 111 /* --------------------------------- End Of File ------------------------------ */