diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2013-10-03 11:45:29 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-10-06 13:36:14 +0200 |
| commit | 7ccaaf71fe84f090b359d8d21e76aaff84d295f0 (patch) | |
| tree | 3ab8fa5a916b56571769a2967f4f2204e6353c4b /drivers/net | |
| parent | a99a74f87faf6ae2cb7922095b1e24a39c74c166 (diff) | |
| download | barebox-7ccaaf71fe84f090b359d8d21e76aaff84d295f0.tar.gz barebox-7ccaaf71fe84f090b359d8d21e76aaff84d295f0.tar.xz | |
macb: add support to read the mac address from register
check the 4 mac address register and return at the first valid
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/macb.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index b1f544b5ab..d8523cee3a 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -458,9 +458,31 @@ static int macb_phy_write(struct mii_bus *bus, int addr, int reg, u16 value) static int macb_get_ethaddr(struct eth_device *edev, unsigned char *adr) { struct macb_device *macb = edev->priv; + u32 bottom; + u16 top; + u8 addr[6]; + int i; dev_dbg(macb->dev, "%s\n", __func__); + /* Check all 4 address register for vaild address */ + for (i = 0; i < 4; i++) { + bottom = macb_or_gem_readl(macb, SA1B + i * 8); + top = macb_or_gem_readl(macb, SA1T + i * 8); + + addr[0] = bottom & 0xff; + addr[1] = (bottom >> 8) & 0xff; + addr[2] = (bottom >> 16) & 0xff; + addr[3] = (bottom >> 24) & 0xff; + addr[4] = top & 0xff; + addr[5] = (top >> 8) & 0xff; + + if (is_valid_ether_addr(addr)) { + memcpy(adr, addr, sizeof(addr)); + return 0; + } + } + return -1; } |