Some low-end ColdFire chip such as 5208 need more io sync
for FEC to work.
Signed-off-by: Jason Jin <jason....@freescale.com>
---
drivers/net/mcffec.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/net/mcffec.c b/drivers/net/mcffec.c
index a08ff27..666b24e 100644
--- a/drivers/net/mcffec.c
+++ b/drivers/net/mcffec.c
@@ -160,6 +160,8 @@ int fec_send(struct eth_device *dev, volatile void *packet,
int length)
info->txbd[info->txIdx].cbd_datlen = length;
info->txbd[info->txIdx].cbd_sc |= BD_ENET_TX_RDY_LST;
+ __asm__("tpf");
+
/* Activate transmit Buffer Descriptor polling */
fecp->tdar = 0x01000000; /* Descriptor polling active */
--
1.6.4
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