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ethernet: rockchip: get and save eth addr in vendor storage

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Change-Id: I83d8bc81ca8d33e6f2575d0d90a3dc5978500a64
Signed-off-by: Weiguo Hu <hwg@rock-chips.com>
Signed-off-by: Zhangbin Tong <zebulun.tong@rock-chips.com>
This commit is contained in:
Weiguo Hu
2016-12-22 09:11:56 +08:00
committed by Tao Huang
parent 3b067ccc88
commit 702c177bec
3 changed files with 35 additions and 1 deletions
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32
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
View File

@@ -22,7 +22,7 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/pm_runtime.h>
#include <linux/soc/rockchip/rk_vendor_storage.h>
#include "stmmac_platform.h"
struct rk_priv_data;
@@ -1379,6 +1379,35 @@ static void rk_fix_speed(void *priv, unsigned int speed)
}
}
static void rk_get_eth_addr(void *priv, unsigned char *addr)
{
int ret;
struct rk_priv_data *bsp_priv = priv;
struct device *dev = &bsp_priv->pdev->dev;
if (is_valid_ether_addr(addr))
goto out;
ret = rk_vendor_read(LAN_MAC_ID, addr, 6);
if (ret != 6 || is_zero_ether_addr(addr)) {
dev_err(dev, "%s: rk_vendor_read eth mac address failed (%d)",
__func__, ret);
random_ether_addr(addr);
dev_err(dev, "%s: generate random eth mac address: %02x:%02x:%02x:%02x:%02x:%02x",
__func__, addr[0], addr[1], addr[2],
addr[3], addr[4], addr[5]);
ret = rk_vendor_write(LAN_MAC_ID, addr, 6);
if (ret != 0)
dev_err(dev, "%s: rk_vendor_write eth mac address failed (%d)",
__func__, ret);
}
out:
dev_err(dev, "%s: mac address: %02x:%02x:%02x:%02x:%02x:%02x",
__func__, addr[0], addr[1], addr[2],
addr[3], addr[4], addr[5]);
}
static int rk_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
@@ -1402,6 +1431,7 @@ static int rk_gmac_probe(struct platform_device *pdev)
plat_dat->has_gmac = true;
plat_dat->fix_mac_speed = rk_fix_speed;
plat_dat->get_eth_addr = rk_get_eth_addr;
plat_dat->bsp_priv = rk_gmac_setup(pdev, plat_dat, data);
if (IS_ERR(plat_dat->bsp_priv)) {

3
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@@ -2280,6 +2280,9 @@ static void stmmac_check_ether_addr(struct stmmac_priv *priv)
{
if (!is_valid_ether_addr(priv->dev->dev_addr)) {
stmmac_get_umac_addr(priv, priv->hw, priv->dev->dev_addr, 0);
if (likely(priv->plat->get_eth_addr))
priv->plat->get_eth_addr(priv->plat->bsp_priv,
priv->dev->dev_addr);
if (!is_valid_ether_addr(priv->dev->dev_addr))
eth_hw_addr_random(priv->dev);
dev_info(priv->device, "device MAC address %pM\n",

1
include/linux/stmmac.h
View File

@@ -182,6 +182,7 @@ struct plat_stmmacenet_data {
void (*serdes_powerdown)(struct net_device *ndev, void *priv);
int (*init)(struct platform_device *pdev, void *priv);
void (*exit)(struct platform_device *pdev, void *priv);
void (*get_eth_addr)(void *priv, unsigned char *addr);
struct mac_device_info *(*setup)(void *priv);
void *bsp_priv;
struct clk *stmmac_clk;