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GRETH: Added extra RESET, this is needed if GRETH was stopped during an ethernet frame reception. 

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
This commit is contained in:
Daniel Hellstrom 2010-10-22 11:34:01 +02:00
parent e780d82b96
commit 533b67d4bf
1 changed files with 10 additions and 0 deletions
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10
drivers/net/greth.c
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@ -152,6 +152,16 @@ int greth_init(struct eth_device *dev, bd_t * bis)
debug("greth_init\n");
/* Reset core */
GRETH_REGSAVE(&regs->control, (GRETH_RESET | (greth->gb << 8) |
(greth->sp << 7) | (greth->fd << 4)));
/* Wait for Reset to complete */
while ( GRETH_REGLOAD(&regs->control) & GRETH_RESET) ;
GRETH_REGSAVE(&regs->control,
((greth->gb << 8) | (greth->sp << 7) | (greth->fd << 4)));
if (!greth->rxbd_base) {
/* allocate descriptors */