On 08. 04. 20 9:12, Matwey V. Kornilov wrote: > ср, 8 апр. 2020 г. в 09:56, Michal Simek <mon...@monstr.eu>: >> >> On 07. 04. 20 22:12, Joe Hershberger wrote: >>> On Tue, Apr 7, 2020 at 1:34 PM Matwey V. Kornilov >>> <matwey.korni...@gmail.com> wrote: >>>> >>>> вт, 7 апр. 2020 г. в 12:18, Michal Simek <mon...@monstr.eu>: >>>>> >>>>> On 07. 04. 20 11:16, Matwey V. Kornilov wrote: >>>>>> вт, 7 апр. 2020 г. в 12:01, Michal Simek <mon...@monstr.eu>: >>>>>>> >>>>>>> On 07. 04. 20 9:58, Matwey V. Kornilov wrote: >>>>>>>> пн, 6 апр. 2020 г. в 12:41, Michal Simek <mon...@monstr.eu>: >>>>>>>>> >>>>>>>>> Hi, >>>>>>>>> >>>>>>>>> On 06. 04. 20 10:14, Matwey V. Kornilov wrote: >>>>>>>>>> 06.04.2020 11:12, Matwey V. Kornilov пишет: >>>>>>>>>>> Hello, >>>>>>>>>>> >>>>>>>>>>> I am running u-boot 2020.04-rc4-00100-g74bf17db39 with >>>>>>>>>>> zynq_z_turn_defconfig configuration on MYIR Z-Turn board. >>>>>>>>>>> And I see the following when I am trying to run `dhcp' command. >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id >>>>>>>>>>> mdio_register: non unique device name 'eth0' >>>>>>>>>>> ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id >>>>>>>>>>> mdio_register: non unique device name 'eth0' >>>>>>>>>>> ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id >>>>>>>>>>> mdio_register: non unique device name 'eth0' >>>>>>>>>>> ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id >>>>>>>>>>> mdio_register: non unique device name 'eth0' >>>>>>>>>>> No ethernet found. >>>>>>>>>>> ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id >>>>>>>>>>> mdio_register: non unique device name 'eth0' >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Full boot log is the following: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> U-Boot SPL 2020.04-rc4-00100-g74bf17db39 (Apr 06 2020 - 11:00:45 >>>>>>>>>> +0300) >>>>>>>>>> mmc boot >>>>>>>>>> Trying to boot from MMC1 >>>>>>>>>> spl_load_image_fat_os: error reading image system.dtb, err - -2 >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> U-Boot 2020.04-rc4-00100-g74bf17db39 (Apr 06 2020 - 11:00:45 +0300) >>>>>>>>>> >>>>>>>>>> CPU: Zynq 7z010 >>>>>>>>>> Silicon: v3.1 >>>>>>>>>> Model: Zynq Z-Turn MYIR Board >>>>>>>>>> DRAM: ECC disabled 1 GiB >>>>>>>>>> MMC: mmc@e0100000: 0 >>>>>>>>>> In: serial@e0001000 >>>>>>>>>> Out: serial@e0001000 >>>>>>>>>> Err: serial@e0001000 >>>>>>>>>> Net: ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id >>>>>>>>>> Could not get PHY for eth0: addr 0 >>>>>>>>>> No ethernet found. >>>>>>>>>> >>>>>>>>>> Hit any key to stop autoboot: 0 >>>>>>>>>> >>>>>>>>> >>>>>>>>> u-boot is not able to find out your phy. Address is setup 0 which >>>>>>>>> means >>>>>>>>> u-boot should do it autodetection. I don't have this board here to >>>>>>>>> tell >>>>>>>>> you what can be wrong. >>>>>>>>> >>>>>>>>> Alex, Anton: Can you please comment it? >>>>>>>>> >>>>>>>> >>>>>>>> Is there a chance that something is wrong with ps7_init_gpl.c ? >>>>>>>> The Ethernet PHY doesn't work in Linux too with the similar error >>>>>>>> message. >>>>>>> >>>>>>> Did you validate any golden images that phy is fine? >>>>>> >>>>>> Yes, I did. There was microsd card supplied with the board (it has >>>>>> U-Boot 2013.10-svn7 and 3.15.0-xilinx kernel). The Ethernet is working >>>>>> with this image. >>>>>> >>>>>>> >>>>>>> Anyway as I said I don't have this board here that's why guys who has it >>>>>>> should debug it or patches welcome. >>>>>>> Or 3rd option is if none wants to keep it alive I will remove support >>>>>>> for it. >>>>>> >>>>>> Well, unfortunately, I have little knowledge how to debug this, but if >>>>>> you have an ideas what could I check, please ask. >>>>> >>>>> This board is in mainline for a while. That's why you can go back to >>>>> commit which introduced this board and try it. Then you can bisect it >>>>> and see which commit breaks it. >>>> >>>> Thanks. I've found where Ethernet was broken: >>>> >>>> 1f60789602e0d5f5f9a8b507f25737c65b5d8daa is the first bad commit >>>> commit 1f60789602e0d5f5f9a8b507f25737c65b5d8daa >>>> Author: Priyanka Jain <priyanka.j...@nxp.com> >>>> Date: Tue Nov 5 04:05:11 2019 +0000 >>>> >>>> net/phy: Fix phy_connect() for phy addr 0 >>>> >>>> Fix 'mask' calculation in phy_connect() for phy addr '0'. >>>> 'mask' is getting set to '0xffffffff' for phy addr '0' >>>> in phy_connect() whereas expected value is '0'. >>>> >>>> Signed-off-by: Priyanka Jain <priyanka.j...@nxp.com> >>>> Reported-by: tetsu-aoki via github >>>> Acked-by: Joe Hershberger <joe.hershber...@ni.com> >>>> >>> >>> So presumably that means the phy addr should be set to -1 instead of 0 >>> for autodetect, right? I believe this was seen on at least one other >>> board [1]. >>> >>> [1] - https://www.mail-archive.com/u-boot@lists.denx.de/msg351386.html >> >> Good. I think that would be the best to setup direct phy address used on >> that board instead of trying to do autodetection but up2you. > > As far as I understand, the register comes from dtb which basically > comes from Linux kernel sources. > In the board schematics > http://www.myirtech.com/download/Zynq7000/Z-TURNBOARD_schematic.pdf > I see "PHY address: 000" (page 9), but I cannot understand what did they mean.
when you run mdio list you should see detected phy address. M -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs