Added a check into the MAC driver to optionally disable TX FIFO flushing.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12391 110e8d01-0319-4d1e-a829-52ad28d1bb01
This commit is contained in:
gdisirio
parent
734ac55bc2
commit
b49a2f34fd
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@ -1,52 +1,52 @@
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@ -364,10 +364,14 @@ void mac_lld_start(MACDriver *macp) {
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/* DMA general settings.*/
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ETH->DMABMR = ETH_DMABMR_AAB | ETH_DMABMR_RDP_1Beat | ETH_DMABMR_PBL_1Beat;
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/* Check because errata on some devices. There should be no need to
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disable flushing because the TXFIFO should be empty on macStart().*/
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#if !defined(STM32_MAC_DISABLE_TX_FLUSH)
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/* Transmit FIFO flush.*/
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ETH->DMAOMR = ETH_DMAOMR_FTF;
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while (ETH->DMAOMR & ETH_DMAOMR_FTF)
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;
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#endif
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/* DMA final configuration and start.*/
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ETH->DMAOMR = ETH_DMAOMR_DTCEFD | ETH_DMAOMR_RSF | ETH_DMAOMR_TSF |
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