问题：ETH0是通的，ETH1找不到PHY(连接到GMII2RGMII转换器时，找不到该设备)，dts和vivado该如何配置？

系统：Zynq 7Z015

Vivado：2018.3

内核：4.6

VIVADO工程如下：

在内核设备树文件中，配置如下：

aliases {

ethernet0 = "/amba/eth@e000b000";

ethernet1 = "/amba/eth1@e000c000";

serial0 = "/amba/serial@e0001000";

};

eth@e000b000 {

compatible = "xlnx,ps7-ethernet-1.00.a";

reg = <0xe000b000 0x1000>;

interrupts = <0x0 0x16 0x4>;

interrupt-parent = <0x1>;

#address-cells = <0x1>;

#size-cells = <0x0>;

clock-names = "ref_clk", "aper_clk";

clocks = <0x2 0xd 0x2 0x1e>;

xlnx,enet-clk-freq-hz = <0x17d7840>;

xlnx,enet-reset = "MIO 11";

xlnx,enet-slcr-1000mbps-div0 = <0x8>;

xlnx,enet-slcr-1000mbps-div1 = <0x1>;

xlnx,enet-slcr-100mbps-div0 = <0x8>;

xlnx,enet-slcr-100mbps-div1 = <0x5>;

xlnx,enet-slcr-10mbps-div0 = <0x8>;

xlnx,enet-slcr-10mbps-div1 = <0x32>;

xlnx,eth-mode = <0x1>;

xlnx,has-mdio = <0x1>;

xlnx,ptp-enet-clock = <0x69f6bcb>;

phy-handle = ;

phy-mode = "rgmii-id";

phy0:phy@0 {

device_type = "ethernet-phy";

reg = <0x0>;

marvell,reg-init = <0x3 0x10 0xff00 0x1e 0x3 0x11 0xfff0 0xa>;

linux,phandle = <0x6>;

phandle = <0x6>;

};

};

eth1@e000c000 {

compatible = "xlnx,ps7-ethernet-1.00.a";

reg = <0xe000c000 0x1000>;

interrupts = <0x0 0x17 0x4>;

interrupt-parent = <0x1>;

#address-cells = <0x1>;

#size-cells = <0x0>;

clock-names = "ref_clk", "aper_clk";

clocks = <0x2 0xd 0x2 0x1e>;

xlnx,enet-clk-freq-hz = <0x17d7840>;

xlnx,enet-reset = "MIO 11";

xlnx,enet-slcr-1000mbps-div0 = <0x8>;

xlnx,enet-slcr-1000mbps-div1 = <0x1>;

xlnx,enet-slcr-100mbps-div0 = <0x8>;

xlnx,enet-slcr-100mbps-div1 = <0x5>;

xlnx,enet-slcr-10mbps-div0 = <0x8>;

xlnx,enet-slcr-10mbps-div1 = <0x32>;

xlnx,eth-mode = <0x1>;

xlnx,has-mdio = <0x1>;

xlnx,ptp-enet-clock = <0x69f6bcb>;

gmii2rgmii-phy-handle = ;

phy-mode = "gmii";

phy1:phy@8 {

compatible="marvell,88e1512";

device_type = "ethernet-phy";

reg = <0x8>;

marvell,reg-init = <0x3 0x10 0xff00 0x1e 0x3 0x11 0xfff0 0xa>;

linux,phandle = <0x8>;

phandle = <0x8>;

};

};

};

ETH1是通过PL侧的GMII2RGMII扩展出去的。

先启动如下：

Uncompressing Linux... done, booting the kernel.

Booting Linux on physical CPU 0x0

Linux version 4.6.0-g35c0d02-dirty (tigerp@tigerp-CloudStack-KVM-Hypervisor) (gcc version 6.2.1 20161114 (Linaro GCC Snapshot 6.2-2016.11) ) #15 SMP PREEMPT Tue May 14 15:39:08 CST 2019

CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d

CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

Machine model: Xilinx Zynq ZED

bootconsole [earlycon0] enabled

cma: Reserved 128 MiB at 0x38000000

Memory policy: Data cache writealloc

percpu: Embedded 12 pages/cpu @ef7d3000 s19404 r8192 d21556 u49152

Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 260608

Kernel command line: console=ttyPS0,115200 root=/dev/mmcblk0p2 rw earlyprintk rootfstype=ext4 rootwait

PID hash table entries: 4096 (order: 2, 16384 bytes)

Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)

Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)

Memory: 895956K/1048576K available (4795K kernel code, 245K rwdata, 1968K rodata, 248K init, 136K bss, 21548K reserved, 131072K cma-reserved, 131072K highmem)

Virtual kernel memory layout:

vector  : 0xffff0000 - 0xffff1000   (   4 kB)

fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)

vmalloc : 0xf0800000 - 0xff800000   ( 240 MB)

lowmem  : 0xc0000000 - 0xf0000000   ( 768 MB)

pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)

modules : 0xbf000000 - 0xbfe00000   (  14 MB)

.text : 0xc0008000 - 0xc06a319c   (6765 kB)

.init : 0xc06a4000 - 0xc06e2000   ( 248 kB)

.data : 0xc06e2000 - 0xc071f5a0   ( 246 kB)

.bss : 0xc071f5a0 - 0xc0741970   ( 137 kB)

Preemptible hierarchical RCU implementation.

Build-time adjustment of leaf fanout to 32.

RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.

RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=2

NR_IRQS:16 nr_irqs:16 16

slcr mapped to f0802000

L2C: platform modifies aux control register: 0x72360000 -> 0x72760000

L2C: DT/platform modifies aux control register: 0x72360000 -> 0x72760000

L2C-310 erratum 769419 enabled

L2C-310 enabling early BRESP for Cortex-A9

L2C-310 full line of zeros enabled for Cortex-A9

L2C-310 ID prefetch enabled, offset 1 lines

L2C-310 dynamic clock gating enabled, standby mode enabled

L2C-310 cache controller enabled, 8 ways, 512 kB

L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x76760001

zynq_clock_init: clkc starts at f0802100

Zynq clock init

ps_clk frequency not specified, using 33 MHz.

sched_clock: 64 bits at 333MHz, resolution 3ns, wraps every 4398046511103ns

clocksource: arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x4ce07af025, max_idle_ns: 440795209040 ns

Switching to timer-based delay loop, resolution 3ns

clocksource: ttc_clocksource: mask: 0xffff max_cycles: 0xffff, max_idle_ns: 537538477 ns

timer #0 at f080a000, irq=17

Console: colour dummy device 80x30

Calibrating delay loop (skipped), value calculated using timer frequency.. 666.66 BogoMIPS (lpj=3333333)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)

Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)

CPU: Testing write buffer coherency: ok

CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

Setting up static identity map for 0x82c0 - 0x8318

CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

Brought up 2 CPUs

SMP: Total of 2 processors activated (1333.33 BogoMIPS).

CPU: All CPU(s) started in SVC mode.

devtmpfs: initialized

VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

pinctrl core: initialized pinctrl subsystem

NET: Registered protocol family 16

DMA: preallocated 256 KiB pool for atomic coherent allocations

cpuidle: using governor ladder

hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

hw-breakpoint: maximum watchpoint size is 4 bytes.

zynq-ocm f800c000.ocmc: ZYNQ OCM pool: 256 KiB @ 0xf0880000

zynq-pinctrl 700.pinctrl: zynq pinctrl initialized

SCSI subsystem initialized

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

media: Linux media interface: v0.10

Linux video capture interface: v2.00

EDAC MC: Ver: 3.0.0

Advanced Linux Sound Architecture Driver Initialized.

clocksource: Switched to clocksource arm_global_timer

NET: Registered protocol family 2

TCP established hash table entries: 8192 (order: 3, 32768 bytes)

TCP bind hash table entries: 8192 (order: 4, 65536 bytes)

TCP: Hash tables configured (established 8192 bind 8192)

UDP hash table entries: 512 (order: 2, 16384 bytes)

UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)

NET: Registered protocol family 1

Trying to unpack rootfs image as initramfs...

Freeing initrd memory: 4948K (dfb2b000 - e0000000)

hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

futex hash table entries: 512 (order: 3, 32768 bytes)

workingset: timestamp_bits=28 max_order=18 bucket_order=0

bounce: pool size: 64 pages

io scheduler noop registered

io scheduler deadline registered

io scheduler cfq registered (default)

Error: Driver 'mwipcore' is already registered, aborting...

dma-pl330 f8003000.dmac: Loaded driver for PL330 DMAC-241330

dma-pl330 f8003000.dmac: DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16

e0001000.serial: ttyPS0 at MMIO 0xe0001000 (irq = 143, base_baud = 6249999) is a xuartps

?onsole [ttyPS0] enabled

console [ttyPS0] enabled

bootconsole [earlycon0] disabled

bootconsole [earlycon0] disabled

xdevcfg f8007000.devcfg: ioremap 0xf8007000 to f085e000

[drm] Initialized drm 1.1.0 20060810

brd: module loaded

loop: module loaded

[nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0

[nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0

[nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0

[nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0

[nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0

[nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0

nand: device found, Manufacturer ID: 0x98, Chip ID: 0x39

nand: Toshiba NAND 128MiB 1,8V 8-bit

nand: 128 MiB, SLC, erase size: 16 KiB, page size: 512, OOB size: 16

flash size: 128 MiB

page size: 512 bytes

OOB area size: 16 bytes

sector size: 16 KiB

pages number: 262144

pages per sector: 32

bus width: 8

bits in sector size: 14

bits in page size: 9

bits in OOB size: 4

flash size with OOB: 135168 KiB

page address bytes: 4

sector address bytes: 3

options: 0x42

Scanning device for bad blocks

Creating 1 MTD partitions on "NAND 128MiB 1,8V 8-bit":

0x000000000000-0x000008000000 : "NAND simulator partition 0"

******************* entrance xemacps_probe ***********************

xemacps_probe:e000b000.eth interface=8

phy_node=phy

xemacps_probe:read phyid is 0

libphy: XEMACPS mii bus: probed

xemacps e000b000.eth: pdev->id 0, baseaddr 0xe000b000, irq 162

******************* exit xemacps_probe ***********************

******************* entrance xemacps_probe ***********************

xemacps_probe:e000c000.eth1 interface=2

gmii2rgmii_phy_node=phy

xemacps_probe:read phyid is 8

xemacps e000c000.eth1: invalid address, use random

xemacps e000c000.eth1: MAC updated 32:a2:a0:e0:54:98

xemacps e000c000.eth1: pdev->id 8, baseaddr 0xe000c000, irq 163

******************* exit xemacps_probe ***********************

ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

usbcore: registered new interface driver usb-storage

usbcore: registered new interface driver usbserial

usbcore: registered new interface driver usbserial_generic

usbserial: USB Serial support registered for generic

usbcore: registered new interface driver ftdi_sio

usbserial: USB Serial support registered for FTDI USB Serial Device

e0002000.usb supply vbus not found, using dummy regulator

ULPI transceiver vendor/product ID 0x0424/0x0006

Found SMSC USB331x ULPI transceiver.

ULPI integrity check: passed.

ci_hdrc ci_hdrc.0: EHCI Host Controller

ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1

ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00

############# hub usb_new_device:busnum=1,devnum=1 #############

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

mousedev: PS/2 mouse device common for all mice

i2c /dev entries driver

Xilinx Zynq CpuIdle Driver started

sdhci: Secure Digital Host Controller Interface driver

sdhci: Copyright(c) Pierre Ossman

sdhci-pltfm: SDHCI platform and OF driver helper

mmc0: SDHCI controller on e0100000.sdhci [e0100000.sdhci] using ADMA

ledtrig-cpu: registered to indicate activity on CPUs

hidraw: raw HID events driver (C) Jiri Kosina

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

NET: Registered protocol family 17

Registering SWP/SWPB emulation handler

hctosys: unable to open rtc device (rtc0)

mmc0: new high speed SDHC card at address aaaa

mmcblk0: mmc0:aaaa SC16G 14.8 GiB

mmcblk0: p1

ALSA device list:

No soundcards found.

Freeing unused kernel memory: 248K (c06a4000 - c06e2000)

This architecture does not have kernel memory protection.

INIT: version 2.88 booting

Starting Bootlog daemon: bootlogd.

Creating /dev/flash/* device nodes

random: dd urandom read with 1 bits of entropy available

Configuring network interfaces...

xemacps_open:eth0

xemacps_mii_probe:devname=eth0

xemacps_open:eth1

xemacps_mii_probe:devname=eth1

xemacps e000c000.eth1: eth1: no gmii to rgmii converter found

xemacps e000c000.eth1: XEMACPS mii bus mii_probe fail.

ifconfig: SIOCSIFFLAGS: No such device or address

xemacps_open:eth1

xemacps_mii_probe:devname=eth1

xemacps e000c000.eth1: eth1: no gmii to rgmii converter found

xemacps e000c000.eth1: XEMACPS mii bus mii_probe fail.

ifconfig: SIOCSIFFLAGS: No such device or address

starting Busybox inet Daemon: inetd... done.

INIT: Entering runlevel: 3

Starting Dropbear SSH server: Will output 1024 bit rsa secret key to '/etc/dropbear/dropbear_rsa_host_key'

Generating key, this may take a while...

Public key portion is:

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgwCw2xqdouR53J3Zdzul6zO9ieEsvhCoJPOSWwogGCznm/4y1upBqH9VIvmC9mbJ8b251cD96w62AIT5N55/+dlkFyCZAB88Ecet9PVCejPe37nEEi9NWsflJQjuQfrCKuDX5wiOtLaQA5/nd8Thz8LlYVkn2KjKmay6wpIHyZRrJLXp root@zynq

Fingerprint: md5 6f:b5:d6:43:17:fe:2e:02:cd:b6:2a:3a:c5:ab:72:f4

dropbear.

Stopping Bootlog daemon: bootlogd.

Starting tcf-agent: OK

PetaLinux v2013.10 (Yocto 1.4) zynq ttyPS0

zynq login: xemacps e000b000.eth: Set clk to 25000000 Hz

xemacps e000b000.eth: link up (100/FULL)

root