[U-Boot] [PATCH 1/6] net: gem: Add support for reading MAC from I2C EEPROM

[Michal Simek]

Add support for reading MAC address from I2C EEPROM.

Signed-off-by: Michal Simek <monstr at monstr.eu>
---

 drivers/net/zynq_gem.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index b3821c31a91d..ace60c901cb5 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -627,6 +627,21 @@ static int zynq_gem_remove(struct udevice *dev)
 	return 0;
 }
 
+static int zynq_gem_read_rom_hwaddr(struct udevice *dev)
+{
+#if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
+    defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
+	struct eth_pdata *pdata = dev_get_platdata(dev);
+
+	if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
+			CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
+			pdata->enetaddr, ARRAY_SIZE(pdata->enetaddr)))
+		printf("EEPROM MAC address read failed\n");
+#endif
+	return 0;
+}
+
+
 static const struct eth_ops zynq_gem_ops = {
 	.start			= zynq_gem_init,
 	.send			= zynq_gem_send,
@@ -634,6 +649,7 @@ static const struct eth_ops zynq_gem_ops = {
 	.free_pkt		= zynq_gem_free_pkt,
 	.stop			= zynq_gem_halt,
 	.write_hwaddr		= zynq_gem_setup_mac,
+	.read_rom_hwaddr	= zynq_gem_read_rom_hwaddr,
 };
 
 static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
-- 
1.9.1