From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 35 +++++++++++++++++++++++++++++++++--
1 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index cf9c46e..47bb2b3 100644
--- a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -2711,13 +2711,18 @@
}
EXPORT_SYMBOL(dwmac_rk_get_phy_interface);
+static unsigned char macaddr[6];
+extern ssize_t at24_mac_read(unsigned char* addr);
static void rk_get_eth_addr(void *priv, unsigned char *addr)
{
struct rk_priv_data *bsp_priv = priv;
struct device *dev = &bsp_priv->pdev->dev;
- unsigned char ethaddr[ETH_ALEN * MAX_ETH] = {0};
+ //unsigned char ethaddr[ETH_ALEN * MAX_ETH] = {0};
int ret, id = bsp_priv->bus_id;
+ //int i;
+ printk("hw-debug:enter rk_get_eth_addr.. \n");
+#if 0
if (is_valid_ether_addr(addr))
goto out;
@@ -2747,7 +2752,32 @@
} else {
memcpy(addr, ðaddr[id * ETH_ALEN], ETH_ALEN);
}
+#endif
+
+ //eeprom
+ ret = at24_mac_read(macaddr);
+ if (ret > 0)
+ {
+ printk("ben %s: at24_mac_read Success!! \n", __func__);
+ memcpy(addr, macaddr, 6);
+
+ if ((addr[0] == 0x68) && (addr[1] == 0xed))
+ {
+ printk("at24_eeprom mac is valid \n", __func__);
+ goto out;
+ }
+ else
+ {
+ printk("at24_eeprom mac is invalid \n", __func__);
+ addr[0] = 0x68;
+ addr[1] = 0xed;
+ addr[2] = 0x01;
+ addr[3] = 0x02;
+ addr[4] = 0x03;
+ addr[5] = 0x04;
+ }
+ }
out:
dev_err(dev, "%s: mac address: %pM\n", __func__, addr);
}
@@ -2920,7 +2950,8 @@
.of_match_table = rk_gmac_dwmac_match,
},
};
-module_platform_driver(rk_gmac_dwmac_driver);
+//module_platform_driver(rk_gmac_dwmac_driver);
+module_platform_driver1(rk_gmac_dwmac_driver);
MODULE_AUTHOR("Chen-Zhi (Roger Chen) <roger.chen@rock-chips.com>");
MODULE_DESCRIPTION("Rockchip RK3288 DWMAC specific glue layer");
--
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