Andre Przywara apritzel
apritzel
/ find_dtbs.c
Created
May 30, 2024 23:58
find_dtbs: scan a binary file for devicetree binary magic bytes, and allow extracting the DTBs
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| // SPDX-License-Identifier: GPL-2.0-only | |
| // Copyright (C) 2018-2024 Andre Przywara <osp@apritzel.eu> | |
| #include <stdio.h> | |
| #include <stdint.h> | |
| #include <stdlib.h> | |
| #include <stdbool.h> | |
| #include <getopt.h> | |
| #include <arpa/inet.h> // for htonl |
apritzel
/ u-boot_h616_high_boot.patch
Created
May 2, 2024 10:17
U-Boot H616 SPL at 256KB MMC offset booting support
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| commit 5e9a281c9f9b50f22fdba619ca3a0f8788224ef3 | |
| Author: Andre Przywara <andre.przywara@arm.com> | |
| Date: Thu Mar 28 16:18:12 2024 +0000 | |
| UNTESTED! H616 high location boot support | |
| Signed-off-by: Andre Przywara <andre.przywara@arm.com> | |
| diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c | |
| index 0140b07d32a..046e9fbfc67 100644 |
apritzel
/ d1_pwm_refactor_for_h616.patch
Created
April 29, 2024 15:52
Allwinner D1 PWM driver refactoring patch to accommodate H616 PWM IP
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| Author: Andre Przywara <andre.przywara@arm.com> | |
| Date: Wed Sep 6 21:04:05 2023 +0100 | |
| pwm: sun20i: Refactor channel enablement | |
| When enabling or disabling a PWM channel, we also ungate and gate the | |
| respective clock at the same time. | |
| Factor this out into a separate function, to simplify extending the | |
| driver to other SoCs, where the clock gate is located in a different |
apritzel
/ rg35xx_plus_dt_update.patch
Created
March 6, 2024 01:09
Updated DT sketch for Anbernic RG35xx Plus, partly commented
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| diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts | |
| index e2674af0c4661..dc25bfe09fac2 100644 | |
| --- a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts | |
| +++ b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts | |
| @@ -8,6 +8,7 @@ | |
| #include "sun50i-h616.dtsi" | |
| #include <dt-bindings/gpio/gpio.h> | |
| +#include <dt-bindings/input/linux-event-codes.h> | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
apritzel
/ sun50i-h700-anbernic-rg35xx-plus.dts
Created
March 5, 2024 11:51
Anbernic RG35XX-Plus minimal DT
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| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) | |
| /* | |
| * Copyright (C) 2024 Arm Ltd. | |
| */ | |
| /dts-v1/; | |
| #include "sun50i-h616.dtsi" | |
| #include <dt-bindings/gpio/gpio.h> |
apritzel
/ sun8i-r16-x6100.dts
Last active
June 28, 2022 22:40
Mainline devicetree for the XIEGU Tech X6100 HF+6m Transceiver, for Linux >=5.13 (mind the r_intc binding change!)
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| /dts-v1/; | |
| #include "sun8i-a33.dtsi" | |
| #include <dt-bindings/gpio/gpio.h> | |
| #include <dt-bindings/input/input.h> | |
| / { | |
| model = "XIEGU Tech X6100 HF+6m Transceiver"; | |
| compatible = "xiegu,x6100", "allwinner,sun8i-r16"; |
apritzel
/ u_boot_h6_32_v5.patch
Created
April 21, 2022 00:53
hackish U-Boot Allwinner H6 in ARMv7/32-bit patch, as a base for the Allwinner V5 port
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| commit 17efad455c2cb482f9f950cf6559f713379ce1f1 | |
| Author: Andre Przywara <andre.przywara@arm.com> | |
| Date: Thu Apr 21 01:20:49 2022 +0100 | |
| naive H6 32-bit support (use lindenis_v5_defconfig) | |
| diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h b/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h | |
| index 37df4410eaa..d821eafa85e 100644 | |
| --- a/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h | |
| +++ b/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h |
apritzel
/ u-boot_aa32.patch
Created
January 3, 2022 15:45
U-Boot hack to boot AArch32 kernels from AArch64 EL2 U-Boot
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| diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h | |
| index ec0171e0e6c..430a9f0298a 100644 | |
| --- a/arch/arm/include/asm/macro.h | |
| +++ b/arch/arm/include/asm/macro.h | |
| @@ -325,6 +325,8 @@ lr .req x30 | |
| eret | |
| 1: | |
| + ldr \tmp, =0x00c00878 | |
| + msr sctlr_el1, \tmp |
apritzel
/ sun50i-h6-eachlink-h6-mini.dts
Created
July 19, 2021 09:34
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| // SPDX-License-Identifier: (GPL-2.0+ or MIT) | |
| /* | |
| * Copyright (c) 2019 Arm Ltd. | |
| * based on work by: | |
| * Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.io> | |
| */ | |
| /dts-v1/; | |
| #include "sun50i-h6.dtsi" |
apritzel
/ uboot_sunxi_edid_debug.patch
Created
February 18, 2021 10:20
U-Boot sunxi display debug hack to list EDID reported modes
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| diff --git a/drivers/video/sunxi/sunxi_display.c b/drivers/video/sunxi/sunxi_display.c | |
| index 61498d1642f..25e5f58b467 100644 | |
| --- a/drivers/video/sunxi/sunxi_display.c | |
| +++ b/drivers/video/sunxi/sunxi_display.c | |
| @@ -292,7 +292,11 @@ static int sunxi_hdmi_edid_get_mode(struct sunxi_display *sunxi_display, | |
| for (i = 0; i < 4; i++, t++) { | |
| r = video_edid_dtd_to_ctfb_res_modes(t, mode); | |
| if (r == 0) | |
| - break; | |
| + printf("mode %d: %dx%d@%dHz; pixel clock: %d KHz\n", |
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