Slackware - ARMThis forum is for the discussion of Slackware ARM.
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Thanks for this. Since 4.19 is an LTS, let's get some of this back up stream in to Slackware ARM.
Can you tell me which patches specifically are required to enable HDMI for the H3? I think a newer U-boot is required as well, but that ought to be (I hope) a simple upgrade.
Thanks for this. Since 4.19 is an LTS, let's get some of this back up stream in to Slackware ARM.
Can you tell me which patches specifically are required to enable HDMI for the H3? I think a newer U-boot is required as well, but that ought to be (I hope) a simple upgrade.
1. u-boot was taken the last cut with git
2. the linux source was taken from here branch orange-pi-4.19
3. I only used these patches and it works (patches are also applied to mainline)
Where are you writing u-boot to? the eMMC?
It isn't as straight forward as I had hoped and it's not obvious what they changed, so I might ask on the u-boot mailing list.
Where are you writing u-boot to? the eMMC?
It isn't as straight forward as I had hoped and it's not obvious what they changed, so I might ask on the u-boot mailing list.
to boot from eMMC, you need to write u-boot:
# clear u-boot
How does u-boot know where to find /boot ? are you using the default environment present within the u-boot binary that scans available media?
One of the precepts I work to is that people installing Slackware ARM should be safe, if they follow the instructions.
If I suggest overwriting u-boot on the eMMC, and it doesn't work out, you've got a bricked device - which is usually hard to fix.
That's why I go with the SD card approach: at least this is a safe approach.
I'm not sure that I can do that with this method, unless I'm missing something?
How does u-boot know where to find /boot ? are you using the default environment present within the u-boot binary that scans available media?
yes, the default u-boot is used.
Quote:
Originally Posted by drmozes
One of the precepts I work to is that people installing Slackware ARM should be safe, if they follow the instructions.
If I suggest overwriting u-boot on the eMMC, and it doesn't work out, you've got a bricked device - which is usually hard to fix.
That's why I go with the SD card approach: at least this is a safe approach.
I'm not sure that I can do that with this method, unless I'm missing something?
i also want the images for SDcard, the transfer from SDcard to eMMC is described above.
for orange pi with non-working u-boot in eMMC, it will boot from SDcard.
Having thought it through, this is helpful for someone who wants to use the SD card slot for something else, but not for a new user.
We still need a way to place the newer u-boot on to the eMMC - which would mean they need to boot a Linux OS (which may not work properly with the factory version of u-boot, or may have different options - e.g. "save" used to save the environment, and now it is an unknown operation: I need to be able to document from a known state), or do it from u-boot directly (either way requires more documentation). With the SD card route they can do this on an x86.
I'll have to find out why the newer version no longer can save its environment.
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