change r2pro dts to public hw version (was "Board code with 2 dts" )

[Frank Wunderlich <frank-w@public-files.de>]

Hi,

have now the new board, but cannot get the gmac working in barebox. In linux i have it working

https://github.com/frank-w/BPI-R2-4.14/blob/5.17-main/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts#L235

changed the dts in barebox to same values, but cannot get it working

https://github.com/frank-w/barebox-r2pro/blob/r2pro/arch/arm/dts/rk3568-bpi-r2-pro.dts#L123

i see both interfaces, but it looks like the phy (rtl8211F) is not working in barebox

barebox@BPI R2PRO:/ dhcp eth1
eth1: 1000Mbps full duplex link detected
eth1: 1000Mbps full duplex link detected
WARNING: eth1: No MAC address set. Using random address e2:3c:a9:08:b8:c8
T T T T T T T T T T T eth1: link down
T dhcp: Network is down
barebox@BPI R2PRO:/ eth1: 1000Mbps full duplex link detected

barebox@BPI R2PRO:/
barebox@BPI R2PRO:/
barebox@BPI R2PRO:/
barebox@BPI R2PRO:/ devinfo eth1
Parent: fe010000.ethernet@fe010000.of
Parameters:
ethaddr: e2:3c:a9:08:b8:c8 (type: MAC)
gateway: 0.0.0.0 (type: ipv4)
ipaddr: 0.0.0.0 (type: ipv4)
linux.bootargs: (type: string)
linux.devname: (type: string)
mode: dhcp (type: enum) (values: "dhcp", "static", "disabled")
netmask: 0.0.0.0 (type: ipv4)
serverip: (type: string)
barebox@BPI R2PRO:/ eth1.mode=static
barebox@BPI R2PRO:/ eth1.netmask=255.255.255.0
barebox@BPI R2PRO:/ eth1.ipaddr=192.168.0.18
barebox@BPI R2PRO:/ devinfo eth1
Parent: fe010000.ethernet@fe010000.of
Parameters:
ethaddr: e2:3c:a9:08:b8:c8 (type: MAC)
gateway: 0.0.0.0 (type: ipv4)
ipaddr: 192.168.0.18 (type: ipv4)
linux.bootargs: (type: string)
linux.devname: (type: string)
mode: static (type: enum) (values: "dhcp", "static", "disabled")
netmask: 255.255.255.0 (type: ipv4)
serverip: (type: string)
barebox@BPI R2PRO:/ global.net.nameserver=192.168.0.10
barebox@BPI R2PRO:/ ifup eth1
barebox@BPI R2PRO:/ ping 192.168.0.10
T T T T T ping failed: Connection timed out
barebox@BPI R2PRO:/

devinfo without device shows me this:

`-- fe010000.ethernet@fe010000.of
  `-- miibus0
    `-- mdio0-phy00
      `-- 0x00000000-0x0000003f ( 64 Bytes): /dev/mdio0-phy00
  `-- eth1
`-- fe2a0000.ethernet@fe2a0000.of
  `-- miibus1
  `-- eth0

any idea how to trace the problem down?

regards Frank


> Gesendet: Mittwoch, 23. März 2022 um 10:03 Uhr
> Von: "Ahmad Fatoum" <a.fatoum@pengutronix.de>
> An: "Frank Wunderlich" <frank-w@public-files.de>
> Cc: barebox@lists.infradead.org
> Betreff: Re: Aw: Re: Board code with 2 dts
>
> Hi Frank,
> 
> On 23.03.22 08:47, Frank Wunderlich wrote:
> > Hi
> > 
> > thanks for your fast and detailed answer.
> > afaik vendor have not changed the saradc-detection (because v00 was not public), so v00 has same value as v1.0 and i cannot detect difference there. Maybe there is another way to detect (maybe based on gmac or any hardware-change), but for now i used last option you've mentioned (second entry function).
> 
> If it's just pre-production HW, it's not worth it to dynamically detect, I agree.
> 
> > Have it implemented like kontron-samx6i (both dts currently same), it compiles, can you take a quick look if i did it right?
> > 
> > https://github.com/frank-w/barebox-r2pro/commit/deaf7a8eed7575e35c17807aa0a432363122b033
> 
> Looks ok to me. Nitpick: Using __dtb_z_ instead of __dtb_ and selecting ARM_USE_COMPRESSED_DTB
> will decrease barebox size a bit.
> 
> > this is not intended to be upstreamed, but for me to fix upstream with v1 config (when i get the board) and still using v00 board.
> 
> If v00 is not publicly available, it would be nice if you could replace the existing
> v00 support with v01 once you can test it.
> 
> Cheers,
> Ahmad
> 
> > 
> > regards Frank
> > 
> > 
> >> Gesendet: Dienstag, 22. März 2022 um 18:34 Uhr
> >> Von: "Ahmad Fatoum" <a.fatoum@pengutronix.de>
> >> An: frank-w@public-files.de, barebox@lists.infradead.org
> >> Betreff: Re: Board code with 2 dts
> >>
> >> Hello Frank,
> >>
> >> On 22.03.22 18:23, Frank Wunderlich wrote:
> >>> Hi,
> >>>
> >>> I get information that new hardware revision of bpi-r2 pro has some differences to the version i upstreamed. Is it possible to add a new dts and use same board code?
> >>>
> >>> How can i choose between the 2 dts on build (kconfig option)?
> >>
> >> In any case, don't add a new Kconfig option. The existing one suffices.
> >>
> >>> Afaik the name of dtb is hardcoded in lowlevel.c [1]
> >>>
> >>> Differences are iodomains (not defined in barebox,but linux) and gmac-config (gmacs swapped and different settings).
> >>>
> >>> Currently i have not yet the new board for testing,but then i want to send patches for linux and barebox.
> >>>
> >>> [1] https://git.pengutronix.de/cgit/barebox/tree/arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c#n24
> >>
> >> Is it possible to detect which board is being used?
> >> If so, best practice is to have barebox the same image for both
> >> and detect board type at runtime.
> >> Here's an example doing it in lowlevel.c:
> >> arch/arm/boards/stm32mp15xx-dkx/lowlevel.c
> >>
> >> If you need more barebox infrastructure than what's available in the bootloader
> >> to detect board type, you could e.g. rewrite gmac-config in barebox board code
> >> after detection.
> >>
> >> If there is no way to dynamically detect which board variant barebox is running
> >> on, just duplicate the entry point in the same file and change just the device
> >> tree. Then extend images/Makefile.rockchip to reference the new entry point
> >> and barebox build will generate an image for each board. See for example:
> >>
> >> arch/arm/boards/kontron-samx6i/lowlevel.c
> >>
> >>
> >> Cheers,
> >> Ahmad
> > 
> > 
> 
> 
> -- 
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