Altera Socfpga reset issue
Henk
yoda at deathstar2.nl
Sat Nov 27 13:21:29 CET 2021
Hi all,
I am porting an old yocto project that used 2018.11 version of u-boot on
a Cyclone V socfpga.
I recently switched to u-boot 2021.04 and experienced one issue now on
my board which I am trying to tackle now.
The issue that I have is that when I am in the u-boot shell and try to
command a reset that I only remain with some text like:
'resetting ...' and an endless stuck.
So I fired up ARM-DS5 and tried to debug both versions of u-boot ,the
old 2018.11 and the new 2021.04
The difference that I see is that the 2018.11 ends up with the
do_reset() call inside arch/arm/lib/reset.c while the 2021.04 version
ends with a do_reset() from sysreset-uclass.c.
In effect, the 2018.11 version ends up with code issuing a warm reset
(which I believe is correct) and the one that I have trouble with
(2021.04) ends up with code issuing a cold reset.
I believe the latter is not correct right?
Is this a configuration error for my board?
Regards
Henk
-- “Do. Or do not. There is no try.”...
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