# setup
IMAGE=CoreELEC-Amlogic-ne.arm-20.0-Nexus_nightly_latest-Khadas_VIM4.img.gz
# download original image
wget https://relkai.coreelec.org/oowow/$IMG
# unpack and rename to common filename style
hyphop
/ vim4-coreelec-create-oowow-image.md
Last active
October 12, 2022 06:35
vim4-coreelec-create-oowow-image
hyphop
/ 0001-config-boards-VIM4.conf-user-can-define-UBOOT_DEFCON.patch
Created
January 6, 2022 03:33
0001-config-boards-VIM4.conf-user-can-define-UBOOT_DEFCON.patch
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| From bb92b64da8e0b3673cbf907a0bef4da384b03909 Mon Sep 17 00:00:00 2001 | |
| From: Artem Lapkin <art@khadas.com> | |
| Date: Thu, 30 Dec 2021 12:35:48 +0800 | |
| Subject: [PATCH] config/boards/VIM4.conf: user can define UBOOT_DEFCONFIG | |
| UBOOT_GIT_BRANCH LINUX_GIT_BRANCH | |
| Signed-off-by: Artem Lapkin <art@khadas.com> | |
| --- | |
| config/boards/VIM4.conf | 6 +++--- | |
| 1 file changed, 3 insertions(+), 3 deletions(-) |
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| kvim4# mw 1000 0 aa; load mmc 0 1000 /extlinux/extlinux.conf; md 1000 aa | |
| 556 bytes read in 3 ms (180.7 KiB/s) | |
| 00001000: 7b92369b c3b5956b f63e5948 7c99cef0 .6.{k...HY>....| | |
| 00001010: 14e85752 570a444c 540c2f93 376ac390 RW..LD.W./.T..j7 | |
| 00001020: c92e0ee2 534b6141 0a7151c6 ccf93547 ....AaKS.Qq.G5.. | |
| 00001030: cbeaa320 2299eb7f cd775e52 ff535f64 ......"R^w.d_S. | |
| 00001040: c55ba374 df591f2e d918832c a1706e8c t.[...Y.,....np. | |
| 00001050: c6103652 c80d3461 c0f407d8 1d380da4 R6..a4........8. | |
| 00001060: 2cb9b5c6 2ef47e31 2ceb751a c0a560e4 ...,1~...u.,.`.. | |
| 00001070: c4db67f8 b74a43dd c4d1829b b74a43dd .g...CJ......CJ. |
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| cd /boot/dtb | |
| cp kvim3l_linux.dtb kvim3l_linux.dtb.org | |
| dtc -Idtb kvim3l_linux.dtb > kvim3l_linux.dts | |
| dtc -Idtb kvim3l_linux.dtb > kvim3l_linux.dts.org | |
| # need to change this node aml-audio-card,dai-link@0 / codec | |
| # need only output i2s | |
| # grep -B19 -A4 "sound-dai = <0x71 0x71 0x73>;" kvim3l_linux.dts | |
| sed "s/sound-dai = <0x71 0x71 0x73>;/sound-dai = <0x71>;/" kvim3l_linux.dts.org > kvim3l_linux.dts | |
| dtc -Odtb kvim3l_linux.dts > kvim3l_linux.dtb | |
| # DONE |
hyphop
/ advanced XZ compression (XZE).md
Last active
July 16, 2021 11:10
advanced XZ compression (XZE)
- https://github.com/khadas/krescue/blob/master/tools/xze
- https://raw.githubusercontent.com/khadas/krescue/master/tools/xze
This script just simple bash script, for demonstrate basic ideas realisation. I thinks its will be useful recommendations for all distros which use xz/lzma image compression
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| growfs: /: cannot reload filesystem: Input/output error | |
| Setting hostuuid: 33613334-3230-3237-6336-643030633930. | |
| Setting hostid: 0x8aff0c18. | |
| ZFS filesystem version: 5 | |
| ZFS storage pool version: features support (5000) | |
| Starting file system checks: | |
| Cannot find file system superblock | |
| Cannot find file system superblock | |
| Warning! Some of the devices might not be available; retrying | |
| Restarting file system checks: |
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| root@Khadas:/boot# file initrd.img-5.12.0 | |
| initrd.img-5.12.0: LZ4 compressed data (v0.1-v0.9) | |
| root@Khadas:/boot# file uInitrd | |
| uInitrd: u-boot legacy uImage, uInitrd, Linux/ARM 64-bit, RAMDisk Image (Not compressed), 39022725 bytes, Thu Jun 3 02:05:32 2021, Load Address: 0x00000000, Entry Point: 0x00000000, Header CRC: 0xACF3EFC5, Data CRC: 0x261ED017 | |
| root@Khadas:/boot# uname -a | |
| Linux Khadas 5.12.0 #1.0.6 SMP Thu Jun 3 08:59:05 CST 2021 aarch64 aarch64 aarch64 GNU/Linux | |
| root@Khadas:/boot# lsmod | |
| Module Size Used by | |
| zram 40960 8 | |
| snd_soc_hdmi_codec 24576 1 |
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| #!/bin/bash | |
| # one-line usage | |
| # /bin/bash -c "$(curl -jkL https://gist.githubusercontent.com/hyphop/e0f61b9368b22c9dc806171af3346e2b/raw/777fce5586d8921e719f382f8ac3b1da55cb2204/upgrade_mcu.sh)" | |
| echo "[i] Tone Board MCU upgrade (online script) - PRESS ANY KEY or Escape by Ctrl+C" | |
| read l | |
| cd ~ | |
| mkdir tone_upgrade |
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| lsusb -v -d3353:a002 | |
| Bus 003 Device 009: ID 3353:a002 Khadas Tone2 Pro | |
| Couldn't open device, some information will be missing | |
| Device Descriptor: | |
| bLength 18 | |
| bDescriptorType 1 | |
| bcdUSB 2.00 | |
| bDeviceClass 239 Miscellaneous Device | |
| bDeviceSubClass 2 |
- https://github.com/khadas/khadas-linux-kernel/blob/master/patches/linux-5.11-rc5.test/0001-meson_ee_pwrc_ignore_shutdown-vpu.patch
- https://github.com/khadas/khadas-uboot/blob/master/packages/u-boot-mainline/patches/v2021.01/0061-power-domain-meson-ee-pwrc-debug.patch.debug
Kernel command line: meson_ee_pwrc.shutdown_disabled=vpu netconsole=none debug ip=none booted=net debug ..
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