rk3568 dts

hc

2023-11-06 1622ff3442ff6aecc1f538cda437379d1f6a4a93

 kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
..
..
@@ -2346,13 +2346,16 @@
2346
2346
 {
2347
2347
 }
2348
2348
 
2349
+
2350
+static unsigned char macaddr[6];
2351
+extern ssize_t at24_mac_read(unsigned char* addr);
2349
2352
 void rk_get_eth_addr(void *priv, unsigned char *addr)
2350
2353
 {
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 	struct rk_priv_data *bsp_priv = priv;
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 	struct device *dev = &bsp_priv->pdev->dev;
2353
2356
 	unsigned char ethaddr[ETH_ALEN * MAX_ETH] = {0};
2354
-	int ret, id = bsp_priv->bus_id;
2355
-
2357
+	int ret,i, id = bsp_priv->bus_id;
2358
+#if 0
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2359
 	rk_devinfo_get_eth_mac(addr);
2357
2360
 	if (is_valid_ether_addr(addr))
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2361
 		goto out;
..
..
@@ -2383,6 +2386,22 @@
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2386
 	} else {
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2387
 		memcpy(addr, &ethaddr[id * ETH_ALEN], ETH_ALEN);
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 	}
2389
+#endif
2390
+     #if 1
2391
+        if (at24_mac_read(macaddr) > 0) {
2392
+                printk("ben %s: at24_mac_read Success!! \n", __func__);
2393
+                memcpy(addr, macaddr, 6);
2394
+
2395
+                printk("Read the Ethernet MAC address from :");
2396
+                for (i = 0; i < 5; i++)
2397
+                        printk("%2.2x:", addr[i]);
2398
+
2399
+                printk("%2.2x\n", addr[i]);
2400
+        } else {
2401
+                printk("ben %s: at24_mac_read Failed!! \n", __func__);
2402
+                goto out;
2403
+        }
2404
+        #endif
2386
2405
 
2387
2406
 out:
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2407
 	dev_err(dev, "%s: mac address: %pM\n", __func__, addr);