Read and retain MAC address across flash and QEMU support.
Signed-off-by: Hongwei Zhang hongweiz@ami.com --- drivers/net/ftgmac100.c | 32 ++++++++++++++++++++++++++++++++ net/eth-uclass.c | 2 +- 2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c index 999941de14..951d99cfe0 100644 --- a/drivers/net/ftgmac100.c +++ b/drivers/net/ftgmac100.c @@ -275,6 +275,28 @@ static int ftgmac100_set_mac(struct ftgmac100_data *priv, return 0; }
+/* + * Get MAC address + */ +static int ftgmac100_get_mac(struct ftgmac100_data *priv, + unsigned char *mac) +{ + struct ftgmac100 *ftgmac100 = priv->iobase; + unsigned int maddr = readl(&ftgmac100->mac_madr); + unsigned int laddr = readl(&ftgmac100->mac_ladr); + + debug("%s(%x %x)\n", __func__, maddr, laddr); + + mac[0] = (maddr >> 8) & 0xff; + mac[1] = maddr & 0xff; + mac[2] = (laddr >> 24) & 0xff; + mac[3] = (laddr >> 16) & 0xff; + mac[4] = (laddr >> 8) & 0xff; + mac[5] = laddr & 0xff; + + return 0; +} + /* * disable transmitter, receiver */ @@ -532,6 +554,14 @@ static int ftgmac100_write_hwaddr(struct udevice *dev) return ftgmac100_set_mac(priv, pdata->enetaddr); }
+static int ftgmac_read_hwaddr(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct ftgmac100_data *priv = dev_get_priv(dev); + + return ftgmac100_get_mac(priv, pdata->enetaddr); +} + static int ftgmac100_ofdata_to_platdata(struct udevice *dev) { struct eth_pdata *pdata = dev_get_platdata(dev); @@ -613,6 +643,8 @@ static int ftgmac100_probe(struct udevice *dev) goto out; }
+ ftgmac_read_hwaddr(dev); + out: if (ret) clk_release_bulk(&priv->clks); diff --git a/net/eth-uclass.c b/net/eth-uclass.c index a7f8792710..19d7e0cb3b 100644 --- a/net/eth-uclass.c +++ b/net/eth-uclass.c @@ -514,7 +514,7 @@ static int eth_post_probe(struct udevice *dev) memcpy(pdata->enetaddr, env_enetaddr, ARP_HLEN); } else if (is_valid_ethaddr(pdata->enetaddr)) { eth_env_set_enetaddr_by_index("eth", dev->seq, pdata->enetaddr); - printf("\nWarning: %s using MAC address from ROM\n", + printf("\nWarning: %s using MAC address from ROM/MAC Reg\n", dev->name); } else if (is_zero_ethaddr(pdata->enetaddr) || !is_valid_ethaddr(pdata->enetaddr)) {