Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> --- 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 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox