Hello everyone,
I have zepyhr running on the Cyclone V according to the following instructions: https://docs.nordicsemi.com/bundle/ncs-2.5.2/page/zephyr/boards/arm/cyclonev_socdk/doc/index.html
Next I wanted to establish a simple network communication. I use the already written Example of a DHCP client under the directory .../zephyrproject/zephyr/samples/net/dhcpv4_client but the following error message appears:
[00:00:00.207,000] <err> net_if: There is no network interface to work with! *** Booting Zephyr OS build v4.0.0-3095-gd9eed167d06b *** Run dhcpv4 client [00:00:00.380,000] <wrn> net_if: No default interface found! uart:~$ device list devices: - intc@fffed000 (READY) DT node labels: intc - gpio@ff70a000 (READY) DT node labels: gpio2 - gpio@ff709000 (READY) DT node labels: gpio1 - gpio@ff708000 (READY) DT node labels: gpio0 - serial1@ffc03000 (READY) DT node labels: uart1 - serial0@ffc02000 (READY) DT node labels: uart0 - sysmgr@ffd08000 (READY) DT node labels: sysmgr
Normally, the Ethernet device should also be recognized (gmac0/gmac1) ...
I know that this example was not written explicitly for my hardware. I found the folder “Boards” in the project directory, which had a .conf file and an .overlay file, so I created two files cyclonev.conf & cyclonev.overlay. In the following I show my prj.conf and cyclonev.conf & cyclonev.overlay files:
prj.conf:
#No changes have been made CONFIG_NETWORKING=y CONFIG_NET_IPV6=n CONFIG_NET_IPV4=y CONFIG_NET_ARP=y CONFIG_NET_UDP=y CONFIG_NET_DHCPV4=y CONFIG_NET_DHCPV4_OPTION_CALLBACKS=y CONFIG_DNS_RESOLVER=y CONFIG_TEST_RANDOM_GENERATOR=y CONFIG_INIT_STACKS=y CONFIG_NET_MGMT=y CONFIG_NET_MGMT_EVENT=y CONFIG_NET_LOG=y CONFIG_LOG=y
cyclonev.conf:
CONFIG_ETH_CYCLONEV=y CONFIG_NET_L2_ETHERNET=y CONFIG_NET_MGMT=y CONFIG_NET_DHCPV4=y CONFIG_NET_TCP=y CONFIG_NET_LOG=y CONFIG_NET_IPV4=y
cyclonev.overlay:
&gmac1 {
status = "okay";
local-mac-address = [e6 88 2d 82 1f d4];
};
&gmac0 {
status = "disabled";
};I'll show you an excerpt from my zepyhr.dts file:
gmac0: ethernet@ff700000 {
compatible = "snps,ethernet-cyclonev";
reg = < 0xff700000 0x2000 >;
interrupts = < 0x0 0x73 0x4 0xa0 >;
emac-index = < 0x0 >;
status = "disabled";
};
gmac1: ethernet@ff702000 {
compatible = "snps,ethernet-cyclonev";
reg = < 0xff702000 0x2000 >;
interrupts = < 0x0 0x78 0x4 0xa0 >;
emac-index = < 0x1 >;
status = "okay";
local-mac-address = [ E6 88 2D 82 1F D4 ];
};I have tried a lot of other things. For example I tried to enable gmac1 and disable gmac0 or disable both but without success. I had seen the approach with the own .conf and the .overlay file several times (e.g. for a STM32). So I think my approach is correct, but no network interface is recognized (Ethernent). I hope that someone sees my mistake and can help me. I would be very grateful for that. Finally, I'll insert a small screenshot from the documentation showing which Ethernet interface I'm using:
Link Copied
Hi,
I don't have something like dmesg logs, or I don't know how to access them on the Cyclone V. I'll show you the full output that I see serially from the Cyclone V via UART:
U-Boot SPL 2013.01.01 (Sep 19 2018 - 18:47:18)
BOARD : Altera SOCFPGA Cyclone V Board
CLOCK: EOSC1 clock 25000 KHz
CLOCK: EOSC2 clock 25000 KHz
CLOCK: F2S_SDR_REF clock 0 KHz
CLOCK: F2S_PER_REF clock 0 KHz
CLOCK: MPU clock 925 MHz
CLOCK: DDR clock 400 MHz
CLOCK: UART clock 100000 KHz
CLOCK: MMC clock 50000 KHz
CLOCK: QSPI clock 370000 KHz
RESET: COLD
INFO : Watchdog enabled
SDRAM: Initializing MMR registers
SDRAM: Calibrating PHY
SEQ.C: Preparing to start memory calibration
SEQ.C: CALIBRATION PASSED
SDRAM: 1024 MiB
SDRAM: Initializing SDRAM ECC
SDRAM: ECC initialized successfully with 1590 ms
SDRAM: ECC Enabled
[00:00:00.207,000] <err> net_if: There is no network interface to work with!
*** Booting Zephyr OS build v4.0.0-3096-g25a4a49477ef ***
Run dhcpv4 client-RK
Another Input: in ...\zephyrproject\zephyr\drivers\ethernet\eth_cyclonev.c there is the following content:
Driver specifically designed for Cyclone V SoC DevKit use only.* based on Intel SOC FPGA HWLIB Repo https://github.com/altera-opensource/intel-socfpga-hwlib
And in the git-repo there is the folling Table:
Therefore i got errors, that the "properties" phy-mode isn't define, so have to do the following:
--> in ...\zephyrproject\zephyr\dts\bindings\ethernet\snps,ethernet-cyclonev.yaml
--> i had to add the property phy-mode myself
--> so what is the message that the devoloper of this code wanna say me? I dont need an overlay-file? or i dont need to mention phy-mode and mdio? But it doesn't work eithter...
Maybe zephyr doesen't support Internet/Ethernet Connecetion with this board. The necessary files are there, but not all of them i think. For Example, the following files exist:
--> ...\zephyrproject\zephyr\drivers\ethernet\eth_cyclonev.c
--> ...\zephyrproject\zephyr\drivers\ethernet\eth_cyclonev_priv.h
--> ...\zephyrproject\zephyr\drivers\ethernet\phy_cyclonev.c
--> ...\zephyrproject\zephyr\drivers\ethernet\Kconfig.cyclonev
For me that a very good sign, that it has to be possible, but as you have mentioned, we need MDIO, but if i try to implement your suggest, then i get a lot of warinings and errors and one of them is very interesting:
CMake Warning at C:/Users/kir/zephyrproject/zephyr/CMakeLists.txt:1002 (message):
No SOURCES given to Zephyr library: drivers__mdio
If i look in the following directory: C:\Users\kir\zephyrproject\zephyr\drivers\mdio
--> then there are a lot of files for example for esp32, stm32, ... but i cant find something for cyclonev....
What i should do? Is this a sign that i do not need to mention mdio in the overlay-file? I am a little bit lost
