【海思篇】【Hi3516DV300】四、uboot有线网口调试
目的：熟悉uboot下有线网口；让更多的爱好者了解海思、加入海思。
目录
1 uboot下修改PHY芯片的PHYADDR和添加PHY_ID支持
1）. 修改PHYADDR
2）. 添加PHYID
3）. 时钟配置
2 uboot有线网口测试
3 总结
1 uboot下修改PHY芯片的PHYADDR和添加PHY_ID支持
1）. 修改PHYADDR
cd Hi3516CV500_SDK_V2.0.1.1/osdrv/opensource/uboot/u-boot-2016.11
vi include/configs/hi3516dv300.h
软件上的PHYADDR配置要根据每个人板子上的PHY芯片手册查询；
/*-----------------------------------------------------------------------
* HIETH driver
-----------------------------------------------------------------------*/
/* default is hieth-switch-fabric */
#ifdef CONFIG_NET_HISFV300
#define HISFV_RESET_PHY_BY_CRG
#define HISFV_MII_MODE 0
#define HISFV_RMII_MODE 1
#define HIETH_MII_RMII_MODE_U HISFV_RMII_MODE
#define HIETH_MII_RMII_MODE_D HISFV_RMII_MODE
#if 1 // add by wei
#define HISFV_PHY_U 0
#define HISFV_PHY_D 1
// add by wei end
#else
#define HISFV_PHY_U 1
#define HISFV_PHY_D 2
#endif
#endif /* CONFIG_NET_HISFV300 */
2）. 添加PHYID
vi ./drivers/net/hisfv300/mii-drv.c
添加PHY的新宏PHY_ID_KSZ8081_SM， 这个PHYID每个人要根据自己板子上的PHY芯片手册查询；
#define PHY_ID_KSZ8081_SM 0x00221561 // add by wei for my phy
if ((phy_id & PHY_ID_MASK) == PHY_ID_KSZ8081 || (phy_id & PHY_ID_MASK) == PHY_ID_KSZ8081_SM) { // add by wei
#define PHY_ID_KSZ8051 0x00221550
#define PHY_ID_KSZ8081 0x00221560
#define PHY_ID_KSZ8081_SM 0x00221561 // add by wei for my phy
#define PHY_ID_MASK 0xFFFFFFF0
...
//added by wzh 2009-4-15
bool phy_detected(const char *devname, unsigned char phyaddr)
{
printf("phy_detected devname=%s phyadd=%x[wei]\n", devname, phyaddr);
u32 phy_id = 0;
u16 id1 = 0, id2 = 0;
if (miiphy_read(devname, phyaddr, MII_PHYSID1, &id1)) {
printf("%s,%d:PHY_PHYIDR1 read failed!\n", __func__, __LINE__);
return false;
}
if (miiphy_read(devname, phyaddr, MII_PHYSID2, &id2)) {
printf("%s,%d:PHY_PHYIDR2 read failed!\n", __func__, __LINE__);
return false;
}
phy_id = (id1 & 0xffff) << 16;
phy_id |= (id2 & 0xffff);
printf("phy_id = 0x%x[wei]\n", phy_id);
/* If the phy_id is all Fs, there is no device there */
if (0xffffffff == phy_id || 0 == phy_id
|| phy_id == 0xFFFF || phy_id == 0xFFFF0000)
{
return false;
}
/* run this at RMII mode */
if (HIETH_MII_RMII_MODE_U == 1)
{
/* PHY-KSZ8051RNL */
if ((phy_id & PHY_ID_MASK) == PHY_ID_KSZ8051) {
unsigned short reg = 0;
if (miiphy_read(devname, phyaddr, 0x1F, ®)) {
printf("PHY 0x1F read failed\n");
return false;
}
reg |= BIT(7); /* set phy RMII 50MHz clk;*/
if (miiphy_write(devname, phyaddr, 0x1F, reg)) {
printf("PHY 0x1F write failed\n");
return false;
}
if (miiphy_read(devname, phyaddr, 0x16, ®)) {
printf("PHY 0x16 read failed\n");
return false;
}
reg |= BIT(1); /* set phy RMII override; */
if (miiphy_write(devname, phyaddr, 0x16, reg)) {
printf("PHY 0x16 write failed\n");
return false;
}
}
/* PHY-KSZ8081 */
if ((phy_id & PHY_ID_MASK) == PHY_ID_KSZ8081
|| (phy_id & PHY_ID_MASK) == PHY_ID_KSZ8081_SM) { // add by wei
printf("PHY_ID_KSZ8081[wei]\n");
unsigned short val = 0;
if (miiphy_read(devname, phyaddr, 0x1F, &val) != 0) {
printf("PHY 0x1F read failed\n");
return false;
};
val |= BIT(7); /* set phy RMII 50MHz clk; */
if (miiphy_write(devname, phyaddr, 0x1F, val) != 0) {
printf("PHY 0x1F write failed\n");
return false;
}
printf("set phy RMII 50MHz clk[wei]\n");
}
}
return true;
}
3）. 时钟配置
这个uboot里配置是RMII模式，无需修改；定义在hi3516dv300.h中
vi ./drivers/net/hisfv300/net-drv.c
2 uboot有线网口测试
hisilicon # setenv serverip 192.168.1.74
hisilicon # setenv ethaddr FE:FC:AC:98:E8:01
hisilicon # setenv ipaddr 192.168.1.75
hisilicon # setenv netmask 255.255.255.0
hisilicon # setenv gatewayip 192.168.1.1
hisilicon # ping 192.168.1.74
Hisilicon ETH net controler
phy_id = 0x221561[wei]
eth0 : phy status change : LINK=UP : DUPLEX=FULL : SPEED=100M
Using eth0 device
host 192.168.1.74 is alive
hisilicon #
hisilicon # printenv
arch=arm
baudrate=115200
board=hi3516dv300
board_name=hi3516dv300
bootargs=mem=512M console=ttyAMA0,115200 root=/dev/mtdblock2 rootfstype=jffs2 rw mtdparts=hi_sfc:1M(boot),5M(kernel),26M(rootfs)
bootcmd=sf probe 0;sf read 0x82000000 0x100000 0x500000;bootm 0x82000000
bootdelay=2
cpu=armv7
ethact=eth0
ethaddr=FE:FC:AC:98:E8:01
gatewayip=192.168.1.1
ipaddr=192.168.1.75
netmask=255.255.255.0
serverip=192.168.1.74
soc=hi3516dv300
stderr=serial
stdin=serial
stdout=serial
vendor=hisilicon
verify=n
Environment size: 540/262140 bytes
3 总结
1 确定海思板上的PHY芯片的PHYADDR和PHYID；如果地址不对的结果是linux下ifconfig -a没有eth0网口，uboot下是ping不同；
uboot下错误log如下：
eth0 : phy status change : LINK=UP : DUPLEX=HALF : SPEED=10M2 使用Hi3516DV300的RMII模式，PHY芯片的clock脚要接RMII_CLK而不是EPHY_CLK，我的就是这个接错了，导致现象是uboot下ping不同，linux下也是如此，而且ifconifg eth0没有RUNNING标志，同时板子上的网络灯也不亮不闪;
linux下错误log如下：
hisi-femac 10010000.ethernet eth0: Link is Up - 10Mbps/Half - flow control off
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
hisi-femac 10010000.ethernet eth0: Link is Down