#linux-amlogic on 2023-05-20 — irc logs at libera.irclog.whitequark.org

2021-06-01 12:24 narmstrong changed the topic of #linux-amlogic to: Amlogic mainline kernel development discussion - our wiki http://linux-meson.com/ - ml linux-amlogic@lists.infradead.org - official channel moved from Freenode - publicly logged on https://libera.irclog.whitequark.org/linux-amlogic

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09:29 <f_> \o

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10:50 <f_> BTW here's the UART pinout for the KII Pro https://wiki.postmarketos.org/images/thumb/1/15/KIIPro-UART-PinOut.png/344px-KIIPro-UART-PinOut.png

10:50 <f_> I published that just now (CC0. feel free to do whatever you want)

10:50 <f_> See https://wiki.postmarketos.org/wiki/Videostrong_KII_Pro_(videostrong-kii-pro)#UART

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16:28 <f_> I found why it didn't work!

16:28 <f_> * values:

16:28 <f_> fp->base = 3640704512

16:28 <f_> fp->file_pos = 65536

16:29 <f_> for reference, the TZRAM limit = 0xd9014000

16:29 <f_> >>> hex(0xd900be00 + 65536) < hex(0xd9014000)

16:29 <f_> False

16:29 <f_> The address is well over the TZRAM, and thus it fails and resets itself.

16:30 <f_> ¯\_(ツ)_/¯ oops

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16:32 <f_> TZRAM_SIZE is set to 0x00014000 in upstream TF-A

16:32 <f_> Let's see what it is set to in Amlogic TF-A:

16:32 <f_> $ git grep "define TZRAM"

16:32 <f_> <...>

16:32 <f_> plat/gxb/include/platform_def.h:#define TZRAM_SIZE 0x00020000

16:33 <f_> That'll do it! :D

16:38 <f_> no

16:48 <f_> I do see this:

16:48 <f_> plat/gxb/include/platform_def.h://#define TZRAM_BASE 0x04001000

16:48 <f_> plat/gxb/include/platform_def.h://#define TZRAM_SIZE 0x0003F000

16:48 <f_> These are commented out..

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