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ColdFire: Fix FEC transmit issue for MCF5275
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
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@ -166,6 +166,13 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
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/* Activate transmit Buffer Descriptor polling */
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fecp->tdar = 0x01000000; /* Descriptor polling active */
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/* FEC fix for MCF5275, FEC unable to initial transmit data packet.
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* A nop will ensure the descriptor polling active completed.
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*/
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#ifdef CONFIG_M5275
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__asm__ ("nop");
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#endif
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#ifdef CFG_UNIFY_CACHE
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icache_invalid();
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#endif
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