2 * @brief LPC18xx/43xx ethernet driver
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5 * Copyright(C) NXP Semiconductors, 2012
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6 * All rights reserved.
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9 * Software that is described herein is for illustrative purposes only
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10 * which provides customers with programming information regarding the
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11 * LPC products. This software is supplied "AS IS" without any warranties of
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12 * any kind, and NXP Semiconductors and its licensor disclaim any and
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13 * all warranties, express or implied, including all implied warranties of
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14 * merchantability, fitness for a particular purpose and non-infringement of
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15 * intellectual property rights. NXP Semiconductors assumes no responsibility
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16 * or liability for the use of the software, conveys no license or rights under any
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17 * patent, copyright, mask work right, or any other intellectual property rights in
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18 * or to any products. NXP Semiconductors reserves the right to make changes
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19 * in the software without notification. NXP Semiconductors also makes no
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20 * representation or warranty that such application will be suitable for the
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21 * specified use without further testing or modification.
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24 * Permission to use, copy, modify, and distribute this software and its
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25 * documentation is hereby granted, under NXP Semiconductors' and its
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26 * licensor's relevant copyrights in the software, without fee, provided that it
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27 * is used in conjunction with NXP Semiconductors microcontrollers. This
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28 * copyright, permission, and disclaimer notice must appear in all copies of
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34 /*****************************************************************************
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35 * Private types/enumerations/variables
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36 ****************************************************************************/
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38 /*****************************************************************************
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39 * Public types/enumerations/variables
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40 ****************************************************************************/
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42 /*****************************************************************************
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44 ****************************************************************************/
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46 /*****************************************************************************
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48 ****************************************************************************/
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50 /* Basic Ethernet interface initialization */
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51 void Chip_ENET_Init(LPC_ENET_T *pENET)
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53 LPC_CREG->CREG6 &= ~0x7;
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55 /* Enable ethernet clock */
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56 Chip_Clock_EnableOpts(CLK_MX_ETHERNET, true, true, 1);
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58 /* PHY TX/RX base clock routing is setup as part of SystemInit() */
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60 #if defined(USE_RMII)
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61 LPC_CREG->CREG6 |= 0x4;
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64 /* Reset ethernet and wait for reset to complete */
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65 Chip_RGU_TriggerReset(RGU_ETHERNET_RST);
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66 while (Chip_RGU_InReset(RGU_ETHERNET_RST)) {}
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68 /* Reset ethernet peripheral */
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69 Chip_ENET_Reset(pENET);
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71 /* Setup MII link divider to /102 and PHY address 1 */
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72 Chip_ENET_SetupMII(pENET, 4, 1);
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74 IP_ENET_Init(pENET);
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77 /* Ethernet interface shutdown */
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78 void Chip_ENET_DeInit(LPC_ENET_T *pENET)
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80 IP_ENET_DeInit(pENET);
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81 Chip_Clock_Disable(CLK_MX_ETHERNET);
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