Cc: Nicolas Ferre <nicolas.fe...@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com>
---
drivers/net/macb.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 3026507..d6b60aa 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -374,6 +374,23 @@ static int macb_set_ethaddr(struct eth_device *edev,
unsigned char *adr)
return 0;
}
+static void macb_reset_hw(struct macb_device *bp)
+{
+ /* Disable RX and TX forcefully */
+ macb_writel(bp, NCR, 0);
+
+ /* Clear the stats registers (XXX: Update stats first?) */
+ macb_writel(bp, NCR, MACB_BIT(CLRSTAT));
+
+ /* Clear all status flags */
+ macb_writel(bp, TSR, -1);
+ macb_writel(bp, RSR, -1);
+
+ /* Disable all interrupts */
+ macb_writel(bp, IDR, -1);
+ macb_readl(bp, ISR);
+}
+
static int macb_probe(struct device_d *dev)
{
struct eth_device *edev;
@@ -433,6 +450,9 @@ static int macb_probe(struct device_d *dev)
}
clk_enable(pclk);
+
+ macb_reset_hw(macb);
+
macb_hz = clk_get_rate(pclk);
if (macb_hz < 20000000)
ncfgr = MACB_BF(CLK, MACB_CLK_DIV8);
@@ -443,6 +463,9 @@ static int macb_probe(struct device_d *dev)
else
ncfgr = MACB_BF(CLK, MACB_CLK_DIV64);
+
+ ncfgr |= MACB_BIT(PAE); /* PAuse Enable */
+ ncfgr |= MACB_BIT(DRFCS); /* Discard Rx FCS */
macb_writel(macb, NCFGR, ncfgr);
macb_init(macb);
--
1.7.10.4
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