[PATCH 1/4] ftgmac100: Allow target board to override MAC address

[Timothy Pearson]

 read function

Upstream-Status: Pending
Signed-off-by: Timothy Pearson <tpearson at raptorengineering.com>
---
 drivers/net/ftgmac100.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c
index 5595f48bbfa..e5373053e58 100644
--- a/drivers/net/ftgmac100.c
+++ b/drivers/net/ftgmac100.c
@@ -257,6 +257,11 @@ static void ftgmac100_reset(struct ftgmac100_data *priv)
 		;
 }
 
+int __weak ftgmac100_target_fetch_mac(unsigned char *enetaddr)
+{
+	return -1;
+}
+
 /*
  * Set MAC address
  */
@@ -642,6 +647,20 @@ static int ftgmac100_remove(struct udevice *dev)
 	return 0;
 }
 
+static int ftgmac100_read_rom_mac(struct udevice *dev)
+{
+	struct eth_pdata *pdata = dev_get_platdata(dev);
+	int ret;
+
+	if (!pdata)
+		return -ENOSYS;
+
+	/* Attempt to read the MAC using a target specific access method */
+	ret = ftgmac100_target_fetch_mac(pdata->enetaddr);
+
+	return ret;
+}
+
 static const struct eth_ops ftgmac100_ops = {
 	.start	= ftgmac100_start,
 	.send	= ftgmac100_send,
@@ -649,6 +668,7 @@ static const struct eth_ops ftgmac100_ops = {
 	.stop	= ftgmac100_stop,
 	.free_pkt = ftgmac100_free_pkt,
 	.write_hwaddr = ftgmac100_write_hwaddr,
+	.read_rom_hwaddr    = ftgmac100_read_rom_mac,
 };
 
 static const struct udevice_id ftgmac100_ids[] = {
-- 
2.39.5