[U-Boot-Users] [PATCH] ColdFire: Fix FEC transmit issue for MCF5275

Signed-off-by: TsiChung Liew Tsi-Chung.Liew@freescale.com --- 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