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| author | Daniel Hellstrom <daniel@gaisler.com> | 2010-10-22 11:34:01 +0200 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2010-11-18 08:33:25 +0100 |
| commit | 533b67d4bf310c445745bdd605edc2ff9dc6b921 (patch) | |
| tree | 418f92e8c2c3685161783b892403e2fc5b628440 | |
| parent | e780d82b96b43a0dafc7b6511127a4c807b80012 (diff) | |
| download | u-boot-imx-533b67d4bf310c445745bdd605edc2ff9dc6b921.zip u-boot-imx-533b67d4bf310c445745bdd605edc2ff9dc6b921.tar.gz u-boot-imx-533b67d4bf310c445745bdd605edc2ff9dc6b921.tar.bz2 | |
GRETH: Added extra RESET, this is needed if GRETH was stopped during an ethernet frame reception.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
| -rw-r--r-- | drivers/net/greth.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/greth.c b/drivers/net/greth.c index cb68d45..f081855 100644 --- a/drivers/net/greth.c +++ b/drivers/net/greth.c @@ -152,6 +152,16 @@ int greth_init(struct eth_device *dev, bd_t * bis) debug("greth_init\n"); + /* Reset core */ + GRETH_REGSAVE(®s->control, (GRETH_RESET | (greth->gb << 8) | + (greth->sp << 7) | (greth->fd << 4))); + + /* Wait for Reset to complete */ + while ( GRETH_REGLOAD(®s->control) & GRETH_RESET) ; + + GRETH_REGSAVE(®s->control, + ((greth->gb << 8) | (greth->sp << 7) | (greth->fd << 4))); + if (!greth->rxbd_base) { /* allocate descriptors */ |