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armbian_build/patch/kernel/archive/sunxi-5.16/patches.megous/Add-README.md-with-information-and-u-boot-patches.patch
The-going f80117f21c
Recycling of megous v5.16.4 patches (#3449) 
* Recycling of megous v5.16.4 patches

The patches were sorted as far as possible. Some patches are renamed
according to their place of application. The length of the patch name
has been changed to improve readability using
the `git format-patch --filename-max-length=75` method.

The folder containing the patches will have the name `patches.name`
and the corresponding file `series.name` for the convenience
of processing and moving them upstream. But the control file remains
`series.conf`.


Signed-off-by: The-going <48602507+The-going@users.noreply.github.com>

* Add a series of armbian patches for 5.16

Signed-off-by: The-going <48602507+The-going@users.noreply.github.com>

* Remove patches whose fixes are already in the kernel

Signed-off-by: The-going <48602507+The-going@users.noreply.github.com>
2022-02-02 11:03:44 +01:00

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From 2843972ea225dd5bbbb52ea8043dd3e96d09926a Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megous@megous.com>
Date: Tue, 22 Nov 2016 01:01:49 +0100
Subject: [PATCH 007/446] Add README.md with information and u-boot patches
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
...Fix-PLL1-setup-to-never-use-dividers.patch | 33 ++++
README.md | 152 ++++++++++++++++++
2 files changed, 185 insertions(+)
create mode 100644 0001-sunxi-h3-Fix-PLL1-setup-to-never-use-dividers.patch
create mode 100644 README.md
diff --git a/0001-sunxi-h3-Fix-PLL1-setup-to-never-use-dividers.patch b/0001-sunxi-h3-Fix-PLL1-setup-to-never-use-dividers.patch
new file mode 100644
index 000000000..60badbd23
--- /dev/null
+++ b/0001-sunxi-h3-Fix-PLL1-setup-to-never-use-dividers.patch
@@ -0,0 +1,33 @@
+From 7f5071f906f79bdc99d6b4b0ccf0cb280abe740b Mon Sep 17 00:00:00 2001
+From: Ondrej Jirman <megous@megous.com>
+Date: Tue, 20 Dec 2016 11:25:12 +0100
+Subject: [PATCH] sunxi: h3: Fix PLL1 setup to never use dividers
+
+Kernel would lower the divider on first CLK change and cause the
+lock up.
+---
+ arch/arm/mach-sunxi/clock_sun6i.c | 7 +++----
+ 1 file changed, 3 insertions(+), 4 deletions(-)
+
+diff --git a/arch/arm/mach-sunxi/clock_sun6i.c b/arch/arm/mach-sunxi/clock_sun6i.c
+index 50fb302a19..91aa2a0478 100644
+--- a/arch/arm/mach-sunxi/clock_sun6i.c
++++ b/arch/arm/mach-sunxi/clock_sun6i.c
+@@ -94,11 +94,10 @@ void clock_set_pll1(unsigned int clk)
+ int k = 1;
+ int m = 1;
+
+- if (clk > 1152000000) {
+- k = 2;
+- } else if (clk > 768000000) {
++ if (clk >= 1368000000) {
+ k = 3;
+- m = 2;
++ } else if (clk >= 768000000) {
++ k = 2;
+ }
+
+ /* Switch to 24MHz clock while changing PLL1 */
+--
+2.11.0
+
diff --git a/README.md b/README.md
new file mode 100644
index 000000000..796231e15
--- /dev/null
+++ b/README.md
@@ -0,0 +1,152 @@
+Mainline linux kernel for Orange Pi PC/PC2/PC3/One, TBS A711, PinePhone, PocketBook Touch Lux 3
+-----------------------------------------------------------------------------------------------
+
+This kernel tree is meant for:
+
+- Orange Pi One
+- Orange Pi PC
+- Orange Pi PC 2
+- Orange Pi 3
+- PinePhone 1.0, 1.1 and 1.2(a/b)
+- TBS A711 Tablet
+- PocketBook Touch Lux 3
+- Pinebook Pro
+
+Features in addition to mainline:
+
+- [Orange Pi One/PC/PC2] More aggressive OPPs for CPU
+- [All] Mark one of DRM planes as a cursor plane, speeding up Xorg based desktop with modesetting driver
+- [Orange Pi One/PC/PC2] Configure on-board micro-switches to perform system power off function
+- [Orange Pi One/PC/PC2/3] HDMI audio
+- [Orange Pi 3] Ethernet
+- [TBS A711] HM5065 (back camera)
+- [PinePhone] WiFi, Bluetooth, Audio, Modem power, HDMI out over USB-C, USB-C support, cameras, PMIC improvements, power management, fixes here and there
+- [PocketBook Touch Lux 3] Display and Touchscreen support
+
+Pre-built u-boot and kernels are available at https://xff.cz/kernels/
+
+You may need some firmware files for some part of the functionality. Those are
+available at: https://megous.com/git/linux-firmware
+
+If you want to reproduce my pre-built kernels exactly, you'll need to uncomment
+CONFIG_EXTRA_FIRMWARE_DIR and CONFIG_EXTRA_FIRMWARE in the defconfigs, and
+point CONFIG_EXTRA_FIRMWARE_DIR to a directory on your computer where the
+clone of https://megous.com/git/linux-firmware resides.
+
+You can also leave those two config options commented out, and copy the contents
+of https://megous.com/git/linux-firmware to /lib/firmware/ on the target device.
+
+You can use this kernel to run a desktop environment on Orange Pi SBCs,
+Arch Linux on your Pinephone, or to have a completely opensource OS on
+a Pocketbook e-ink book reader.
+
+Have fun!
+
+
+Build instructions
+------------------
+
+These are rudimentary instructions and you need to understand what you're doing.
+These are just core steps required to build the ATF/u-boot/kernel. Downloading,
+verifying, renaming to correct directories is not described or mentioned. You
+should be able to infer missing necessary steps yourself for your particular needs.
+
+Get necessary toolchains from:
+
+- https://releases.linaro.org/components/toolchain/binaries/latest/aarch64-linux-gnu/ for 64bit Orange Pi PC2 and Orange Pi 3, PinePhone
+- https://releases.linaro.org/components/toolchain/binaries/latest/arm-linux-gnueabihf/ for 32bit Orange Pis, Pocketbook, TBS tablet
+
+Extract toolchains and prepare the environment:
+
+ CWD=`pwd`
+ OUT=$CWD/builds
+ SRC=$CWD/u-boot
+ export PATH="$PATH:$CWD/Toolchains/arm/bin:$CWD/Toolchains/aarch64/bin"
+
+For Orange Pi PC2, Orange Pi 3 or PinePhone:
+
+ export CROSS_COMPILE=aarch64-linux-gnu-
+ export KBUILD_OUTPUT=$OUT/.tmp/uboot-pc2
+ rm -rf "$KBUILD_OUTPUT"
+ mkdir -p $KBUILD_OUTPUT $OUT/pc2
+
+Get and build ATF from https://github.com/ARM-software/arm-trusted-firmware:
+
+ make -C "$CWD/arm-trusted-firmware" PLAT=sun50i_a64 DEBUG=1 bl31
+ cp "$CWD/arm-trusted-firmware/build/sun50i_a64/debug/bl31.bin" "$KBUILD_OUTPUT"
+
+Use sun50i_a64 for Orange Pi PC2 or PinePhone and sun50i_h6 for Orange Pi 3.
+
+Build u-boot from https://megous.com/git/u-boot/ (opi-v2020.04 branch) with appropriate
+defconfig (orangepi_one_defconfig, orangepi_pc2_defconfig, orangepi_pc_defconfig, orangepi_3_defconfig, tbs_a711_defconfig, pinephone_defconfig).
+
+My u-boot branch already has all the necessary patches integrated and is configured for quick u-boot/kernel startup.
+
+ make -C u-boot orangepi_pc2_defconfig
+ make -C u-boot -j5
+
+ cp $KBUILD_OUTPUT/.config $OUT/pc2/uboot.config
+ cat $KBUILD_OUTPUT/{spl/sunxi-spl.bin,u-boot.itb} > $OUT/pc2/uboot.bin
+
+Get kernel from this repository and checkout the latest orange-pi-5.13 branch.
+
+Build the kernel for 64-bit boards:
+
+ export ARCH=arm64
+ export CROSS_COMPILE=aarch64-linux-gnu-
+ export KBUILD_OUTPUT=$OUT/.tmp/linux-arm64
+ mkdir -p $KBUILD_OUTPUT $OUT/pc2
+
+ make -C linux orangepi_defconfig
+ # or make -C linux pocketbook_touch_lux_3_defconfig
+ # or make -C linux tbs_a711_defconfig
+ make -C linux -j5 clean
+ make -C linux -j5 Image dtbs
+
+ cp -f $KBUILD_OUTPUT/arch/arm64/boot/Image $OUT/pc2/
+ cp -f $KBUILD_OUTPUT/.config $OUT/pc2/linux.config
+ cp -f $KBUILD_OUTPUT/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dtb $OUT/pc2/board.dtb
+
+Build the kernel for 32-bit boards:
+
+ export ARCH=arm
+ export CROSS_COMPILE=arm-linux-gnueabihf-
+ export KBUILD_OUTPUT=$OUT/.tmp/linux-arm
+ mkdir -p $KBUILD_OUTPUT $OUT/pc
+
+ make orangepi_defconfig
+ # or make pinephone_defconfig
+ make -C linux orangepi_defconfig
+ make -C linux -j5 clean
+ make -C linux -j5 zImage dtbs
+
+ cp -f $KBUILD_OUTPUT/arch/arm/boot/zImage $OUT/pc/
+ cp -f $KBUILD_OUTPUT/.config $OUT/pc/linux.config
+ cp -f $KBUILD_OUTPUT/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dtb $OUT/pc/board.dtb
+ # Or use sun8i-h3-orangepi-one.dtb for Orange Pi One
+
+
+PinePhone
+---------
+
+I don't run u-boot on PinePhone, so my pre-built kernel packages don't come
+with u-boot built for PinePhone.
+
+
+Kernel lockup issues
+--------------------
+
+*If you're getting lockups on boot or later during thermal regulation,
+you're missing an u-boot patch.*
+
+This patch is necessary to run this kernel!
+
+These lockups are caused by improper NKMP clock factors selection
+in u-boot for PLL_CPUX. (M divider should not be used. P divider
+should be used only for frequencies below 240MHz.)
+
+This patch for u-boot fixes it:
+
+ 0001-sunxi-h3-Fix-PLL1-setup-to-never-use-dividers.patch
+
+Kernel side is already fixed in this kernel tree.
--
2.31.1
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