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| author | Hongwei Zhang <hongweiz@ami.com> | 2020-12-10 18:11:09 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-01-19 09:15:02 -0500 |
| commit | 0be3d1fafb54bc2fd3d5862304528d7a21e500d9 (patch) | |
| tree | 51d605ec9daac7b8910582ee1a660a175ecd22fb /drivers/net/ftgmac100.c | |
| parent | c1ab73814515c865896b0abc54d3071a1a273537 (diff) | |
| download | u-boot-0be3d1fafb54bc2fd3d5862304528d7a21e500d9.zip u-boot-0be3d1fafb54bc2fd3d5862304528d7a21e500d9.tar.gz u-boot-0be3d1fafb54bc2fd3d5862304528d7a21e500d9.tar.bz2 | |
net: ftgmac100: Read and retain MAC address
Read and retain MAC address across flash and QEMU support.
Signed-off-by: Hongwei Zhang <hongweiz@ami.com>
Diffstat (limited to 'drivers/net/ftgmac100.c')
| -rw-r--r-- | drivers/net/ftgmac100.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c index 69e299d..0687230 100644 --- a/drivers/net/ftgmac100.c +++ b/drivers/net/ftgmac100.c @@ -271,6 +271,28 @@ static int ftgmac100_set_mac(struct ftgmac100_data *priv, } /* + * 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 */ static void ftgmac100_stop(struct udevice *dev) @@ -511,6 +533,14 @@ 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_plat(dev); + struct ftgmac100_data *priv = dev_get_priv(dev); + + return ftgmac100_get_mac(priv, pdata->enetaddr); +} + static int ftgmac100_of_to_plat(struct udevice *dev) { struct eth_pdata *pdata = dev_get_plat(dev); @@ -571,6 +601,8 @@ static int ftgmac100_probe(struct udevice *dev) goto out; } + ftgmac_read_hwaddr(dev); + out: if (ret) clk_release_bulk(&priv->clks); |