[PATCH 8/8] eQos: Implement the read_rom_hwaddr callback

[Peng Fan]

From: Ye Li <ye...@nxp.com>

Implement the read_rom_hwaddr callback to load MAC address from fuse
for imx8m platforms.

Reviewed-by: Fugang Duan <fugang.d...@nxp.com>
Signed-off-by: Ye Li <ye...@nxp.com>
Signed-off-by: Peng Fan <peng....@nxp.com>
---
 drivers/net/dwc_eth_qos.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 85afaf124c..37b279af35 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -43,6 +43,9 @@
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <eth_phy.h>
+#ifdef CONFIG_ARCH_IMX8M
+#include <asm/mach-imx/sys_proto.h>
+#endif
 
 /* Core registers */
 
@@ -1134,6 +1137,16 @@ static int eqos_write_hwaddr(struct udevice *dev)
        return 0;
 }
 
+static int eqos_read_rom_hwaddr(struct udevice *dev)
+{
+       struct eth_pdata *pdata = dev_get_platdata(dev);
+
+#ifdef CONFIG_ARCH_IMX8M
+       imx_get_mac_from_fuse(dev->req_seq, pdata->enetaddr);
+#endif
+       return !is_valid_ethaddr(pdata->enetaddr);
+}
+
 static int eqos_start(struct udevice *dev)
 {
        struct eqos_priv *eqos = dev_get_priv(dev);
@@ -2047,6 +2060,7 @@ static const struct eth_ops eqos_ops = {
        .recv = eqos_recv,
        .free_pkt = eqos_free_pkt,
        .write_hwaddr = eqos_write_hwaddr,
+       .read_rom_hwaddr        = eqos_read_rom_hwaddr,
 };
 
 static struct eqos_ops eqos_tegra186_ops = {
-- 
2.16.4