Re: [linux-sunxi] Abridged summary of linux-sunxi@googlegroups.com - 8 updates in 1 topic

[Artem Moroz]

Hi everybody!
Has anybody tried to connect Microchip KSZ8563 PHY to Olimex A20-SOM board with Allwinner A20 ? I am not able to get it to work.

Any information appreciated

On Thu, Apr 25, 2024 at 4:13 PM <linux...@googlegroups.com> wrote:

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• u-boot: need help building for H618 Orange Pi Zero 3 - 8 Updates

u-boot: need help building for H618 Orange Pi Zero 3

andrew g <goha...@yahoo.com>: Apr 24 10:45PM -0700 hi Andre Przywara,   Thanks for your response.   According to this thread, the author who has worked on the H616 and H618 dram codes including that '1.5G issue' ...more

andrew g <goha...@yahoo.com>: Apr 24 10:49PM -0700 oops the 1st link should be https://forum.armbian.com/topic/29202-orange-pi-zero-3/page/20/#comment-188030 with the spoiler in it   the comment ref should be 188030 rather than 188328   ...more

andrew g <goha...@yahoo.com>: Apr 24 11:07PM -0700 on a 'longer term', if after all this *hack* (hard coding memory size) works, I'd guess a possible way is to read custom memory size from an 'environment variable' say set by scripts in ...more

andrew g <goha...@yahoo.com>: Apr 24 11:19PM -0700 the statment >> if it is run with the mainline u-boot without this hack and the 'standard' boards e.g. 2G, 4G, it boots just fine. But that with the hack and on 1.5G Orange Pi Zero 3 board (I've ...more

andrew g <goha...@yahoo.com>: Apr 25 12:35AM -0700 I just did that test, I removed that 1.5GB hardcoding from mainline u-boot build as of current memsz = 2048UL * 1024UL * 1024UL * 3 / 4;   patched the hacked u-boot into my Armbian (Debian ...more

andrew g <goha...@yahoo.com>: Apr 25 01:56AM -0700 Applied 2 cortex_a53 erratum for BL31 stage in arm trusted firmware INFO: BL31: cortex_a53: CPU workaround for erratum 855873 was applied INFO: BL31: cortex_a53: CPU workaround for erratum ...more

andrew g <goha...@yahoo.com>: Apr 25 02:23AM -0700 just in case anyone has a board and wants to try it out, the image for Orange Pi Zero 3 I'm messing with is this, note *unofficial* ...more

andrew g <goha...@yahoo.com>: Apr 25 02:26AM -0700 just in case anyone has a board and wants to try it out, the image for Orange Pi Zero 3 I'm messing with is this, note *unofficial*, and this link won't be there on a permanent basis ...more

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[Artem Moroz]

Got it working at 100Mbit with overlay file that
1. disables MDIO
2. adds fixed-link 100 to gmac

Not using ksz9477 dsa driver as it seems to incorrectly overwrite switch registers.
PCB traces must be short also.