From: Armando Visconti armando.visconti@st.com
This patch solves a TX/RX problem which happens at 10Mbps, due to the fact that we are not respecting 4 cyles of the phy_clk (2.5MHz) between two consecutive writes on the same register.
Signed-off-by: Armando Visconti armando.visconti@st.com Signed-off-by: Amit Virdi amit.virdi@st.com --- drivers/net/designware.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 5847c17..b5e3974 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -174,8 +174,7 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis) writel(readl(&dma_p->opmode) | RXSTART, &dma_p->opmode); writel(readl(&dma_p->opmode) | TXSTART, &dma_p->opmode);
- writel(readl(&mac_p->conf) | RXENABLE, &mac_p->conf); - writel(readl(&mac_p->conf) | TXENABLE, &mac_p->conf); + writel(readl(&mac_p->conf) | RXENABLE | TXENABLE, &mac_p->conf);
return 0; }