[U-Boot] [PATCH 01/11] net: dw: Add read_rom_hwaddr net_op hook

[Olliver Schinagl]

Add the read_rom_hwaddr net_op hook so that it can be called from boards
to read the mac from a ROM chip.

Signed-off-by: Olliver Schinagl <oli...@schinagl.nl>
---
 drivers/net/designware.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 9e6d726..aa87f30 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -230,6 +230,23 @@ static int _dw_write_hwaddr(struct dw_eth_dev *priv, u8 
*mac_id)
        return 0;
 }
 
+__weak int dw_board_read_rom_hwaddr(unsigned char *enetaddr)
+{
+       return -ENOSYS;
+}
+
+static int designware_eth_read_rom_hwaddr(struct udevice *dev)
+{
+       int retval;
+       struct eth_pdata *pdata = dev_get_platdata(dev);
+
+       retval = dw_board_read_rom_hwaddr(pdata->enetaddr);
+       if (retval == -ENOSYS)
+               return 0;
+
+       return retval;
+}
+
 static void dw_adjust_link(struct eth_mac_regs *mac_p,
                           struct phy_device *phydev)
 {
@@ -685,6 +702,7 @@ static const struct eth_ops designware_eth_ops = {
        .free_pkt               = designware_eth_free_pkt,
        .stop                   = designware_eth_stop,
        .write_hwaddr           = designware_eth_write_hwaddr,
+       .read_rom_hwaddr        = designware_eth_read_rom_hwaddr,
 };
 
 static int designware_eth_ofdata_to_platdata(struct udevice *dev)
-- 
2.10.2

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