This includes a preliminary basic DT and a defconfig to get the board booted. Although there is some DRAM code based on some disassembly, it is not ready yet, so the SPL doesn't really work, and needs some help from awboot.
Signed-off-by: Andre Przywara andre.przywara@arm.com --- arch/arm/dts/Makefile | 2 + arch/arm/dts/sun8i-t113s-mangopi-mq-r.dts | 54 +++++++++++++++++++++++ configs/mangopi_mq_r_defconfig | 12 +++++ 3 files changed, 68 insertions(+) create mode 100644 arch/arm/dts/sun8i-t113s-mangopi-mq-r.dts create mode 100644 configs/mangopi_mq_r_defconfig
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 43951a7731e..602349b88ab 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -694,6 +694,8 @@ dtb-$(CONFIG_MACH_SUN8I_V3S) += \ sun8i-s3-pinecube.dtb \ sun8i-v3-sl631-imx179.dtb \ sun8i-v3s-licheepi-zero.dtb +dtb-$(CONFIG_MACH_SUN8I_R528) += \ + sun8i-t113s-mangopi-mq-r.dtb dtb-$(CONFIG_MACH_SUN50I_H5) += \ sun50i-h5-bananapi-m2-plus.dtb \ sun50i-h5-emlid-neutis-n5-devboard.dtb \ diff --git a/arch/arm/dts/sun8i-t113s-mangopi-mq-r.dts b/arch/arm/dts/sun8i-t113s-mangopi-mq-r.dts new file mode 100644 index 00000000000..1fa0c46b7dc --- /dev/null +++ b/arch/arm/dts/sun8i-t113s-mangopi-mq-r.dts @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: (GPL-2.0+ or MIT) +// Copyright (C) 2022 Arm Ltd. + +/dts-v1/; + +#include "sun8i-t113s.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + model = "Mangopi MQ-R"; + compatible = "mangopi,mq-r", "allwinner,sun8i-t113s"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + reg_3v3: regulator-3v3 { + compatible = "regulator-fixed"; + regulator-name = "vcc-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; +}; + +&dcxo { + clock-frequency = <24000000>; +}; + +&mmc0 { + pinctrl-0 = <&mmc0_pins>; + pinctrl-names = "default"; + vmmc-supply = <®_3v3>; + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; + disable-wp; + bus-width = <4>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pe_pins>; + status = "okay"; +}; + +&pio { + uart0_pe_pins: uart0-pe-pins { + pins = "PE2", "PE3"; + function = "uart0"; + }; +}; diff --git a/configs/mangopi_mq_r_defconfig b/configs/mangopi_mq_r_defconfig new file mode 100644 index 00000000000..32b1449dc92 --- /dev/null +++ b/configs/mangopi_mq_r_defconfig @@ -0,0 +1,12 @@ +CONFIG_ARM=y +CONFIG_ARCH_SUNXI=y +CONFIG_DEFAULT_DEVICE_TREE="sun8i-t113s-mangopi-mq-r" +CONFIG_SUNXI_MINIMUM_DRAM_MB=128 +CONFIG_SPL=y +CONFIG_MACH_SUN8I_R528=y +CONFIG_MMC0_CD_PIN="PF6" +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set +CONFIG_SYS_MONITOR_LEN=786432 +# dummy values +CONFIG_DRAM_CLK=600 +CONFIG_DRAM_ZQ=0