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incubator-nuttx
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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3275 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-01-23 18:13:49 +00:00
parent 499badf219
commit 193f16e076
1 changed files with 15 additions and 2 deletions
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17
arch/arm/src/lpc17xx/lpc17_ethernet.c
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@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/lpc17xx/lpc17_ethernet.c
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -1800,7 +1800,20 @@ static int lpc17_phymode(uint8_t phyaddr, uint8_t mode)
int32_t timeout;
uint16_t phyreg;
/* Disable auto-negotiation and set fixed Speed and Duplex settings */
/* Disable auto-negotiation and set fixed Speed and Duplex settings:
*
* MII_MCR_UNIDIR 0=Disable unidirectional enable
* MII_MCR_SPEED1000 0=Reserved on 10/100
* MII_MCR_CTST 0=Disable collision test
* MII_MCR_FULLDPLX ?=Full duplex
* MII_MCR_ANRESTART 0=Don't restart auto negotiation
* MII_MCR_ISOLATE 0=Don't electronically isolate PHY from MII
* MII_MCR_PDOWN 0=Don't powerdown the PHY
* MII_MCR_ANENABLE 0=Disable auto negotiation
* MII_MCR_SPEED100 ?=Select 100Mbps
* MII_MCR_LOOPBACK 0=Disable loopback mode
* MII_MCR_RESET 0=No PHY reset
*/
phyreg = 0;
if ((mode & LPC17_SPEED_MASK) == LPC17_SPEED_100)