sergiotarxz/nuttx
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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3123 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-11-21 15:48:25 +00:00
parent 7a8f6fd6fd
commit 02cd4e9afc
1 changed files with 7 additions and 1 deletions
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8
arch/arm/src/lpc17xx/lpc17_ethernet.c
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@ -1462,7 +1462,13 @@ static int lpc17_ifup(struct uip_driver_s *dev)
lpc17_putreg(ETH_RXINTS, LPC17_ETH_INTEN);
#endif
/* Enable Rx */
/* Enable Rx. "Enabling of the receive function is located in two places.
* The receive DMA manager needs to be enabled and the receive data path
* of the MAC needs to be enabled. To prevent overflow in the receive
* DMA engine the receive DMA engine should be enabled by setting the
* RxEnable bit in the Command register before enabling the receive data
* path in the MAC by setting the RECEIVE ENABLE bit in the MAC1 register."
*/
regval = lpc17_getreg(LPC17_ETH_CMD);
regval |= ETH_CMD_RXEN;