diff options
| author | oliver@schinagl.nl <oliver@schinagl.nl> | 2016-11-25 18:38:34 +0300 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2017-03-26 17:40:57 +0300 |
| commit | ace1520cb5fc2628aa3bbe426d4066d2806d951c (patch) | |
| tree | 4cbbe27e9854890e54ff0926d17f851226e407d4 /drivers/net/sunxi_emac.c | |
| parent | 5cf618ee60a752d058a767372ca1ecb8d9c09b16 (diff) | |
| download | u-boot-ace1520cb5fc2628aa3bbe426d4066d2806d951c.tar.xz | |
net: sunxi-emac: Write HW address via function
Currently the mac address is programmed directly in _sunxi_emac_eth_init
making it a one time inflexible operation. By moving it into a separate
function, we can now use this more flexibly.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net/sunxi_emac.c')
| -rw-r--r-- | drivers/net/sunxi_emac.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/sunxi_emac.c b/drivers/net/sunxi_emac.c index 11cd0ea068..99339db4bf 100644 --- a/drivers/net/sunxi_emac.c +++ b/drivers/net/sunxi_emac.c @@ -327,6 +327,20 @@ static void emac_reset(struct emac_eth_dev *priv) udelay(200); } +static int _sunxi_write_hwaddr(struct emac_eth_dev *priv, u8 *enetaddr) +{ + struct emac_regs *regs = priv->regs; + u32 enetaddr_lo, enetaddr_hi; + + enetaddr_lo = enetaddr[2] | (enetaddr[1] << 8) | (enetaddr[0] << 16); + enetaddr_hi = enetaddr[5] | (enetaddr[4] << 8) | (enetaddr[3] << 16); + + writel(enetaddr_hi, ®s->mac_a1); + writel(enetaddr_lo, ®s->mac_a0); + + return 0; +} + static int _sunxi_emac_eth_init(struct emac_eth_dev *priv, u8 *enetaddr) { struct emac_regs *regs = priv->regs; @@ -350,10 +364,7 @@ static int _sunxi_emac_eth_init(struct emac_eth_dev *priv, u8 *enetaddr) /* Set up EMAC */ emac_setup(priv); - writel(enetaddr[0] << 16 | enetaddr[1] << 8 | enetaddr[2], - ®s->mac_a1); - writel(enetaddr[3] << 16 | enetaddr[4] << 8 | enetaddr[5], - ®s->mac_a0); + _sunxi_write_hwaddr(priv, enetaddr); mdelay(1); |