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| author | Tsi-Chung Liew <Tsi-Chung.Liew@freescale.com> | 2008-03-17 17:08:16 -0500 |
|---|---|---|
| committer | Ben Warren <biggerbadderben@gmail.com> | 2008-03-30 00:15:34 -0400 |
| commit | f605479de2deb11e834f31dfdb0af107c86aced6 (patch) | |
| tree | 51cf38eba418908f13f90ac6777e0642d91ec301 /drivers/net | |
| parent | d9a2f416d6ac6058cd7845033ae4dc32ef1c0746 (diff) | |
| download | u-boot-imx-f605479de2deb11e834f31dfdb0af107c86aced6.zip u-boot-imx-f605479de2deb11e834f31dfdb0af107c86aced6.tar.gz u-boot-imx-f605479de2deb11e834f31dfdb0af107c86aced6.tar.bz2 | |
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mcffec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/mcffec.c b/drivers/net/mcffec.c index 3b81258..71d1960 100644 --- a/drivers/net/mcffec.c +++ b/drivers/net/mcffec.c @@ -166,6 +166,13 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length) /* Activate transmit Buffer Descriptor polling */ fecp->tdar = 0x01000000; /* Descriptor polling active */ + /* FEC fix for MCF5275, FEC unable to initial transmit data packet. + * A nop will ensure the descriptor polling active completed. + */ +#ifdef CONFIG_M5275 + __asm__ ("nop"); +#endif + #ifdef CFG_UNIFY_CACHE icache_invalid(); #endif |