From c77d5ad2ba71d49534c3c643675c94bb09f345a2 Mon Sep 17 00:00:00 2001 From: Patrick Yavitz Date: Sun, 27 Jul 2025 07:11:47 -0400 Subject: [PATCH] Add board BananaPi BPI-M4-Zero Signed-off-by: Patrick Yavitz --- configs/bananapi_m4zero_defconfig | 30 +++ .../sun50i-h618-bananapi-m4-zero.dts | 74 +++++++ .../allwinner/sun50i-h618-bananapi-m4.dtsi | 200 ++++++++++++++++++ 3 files changed, 304 insertions(+) create mode 100644 configs/bananapi_m4zero_defconfig create mode 100644 dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4-zero.dts create mode 100644 dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4.dtsi diff --git a/configs/bananapi_m4zero_defconfig b/configs/bananapi_m4zero_defconfig new file mode 100644 index 00000000000..6d70efd1a50 --- /dev/null +++ b/configs/bananapi_m4zero_defconfig @@ -0,0 +1,30 @@ +CONFIG_OF_UPSTREAM=y +CONFIG_ARM=y +CONFIG_ARCH_SUNXI=y +CONFIG_DEFAULT_DEVICE_TREE="allwinner/sun50i-h618-bananapi-m4-zero" +CONFIG_SPL=y +CONFIG_DRAM_SUNXI_DX_ODT=0x07070707 +CONFIG_DRAM_SUNXI_DX_DRI=0x0e0e0e0e +CONFIG_DRAM_SUNXI_CA_DRI=0x0e0e +CONFIG_DRAM_SUNXI_ODT_EN=0xaaaaeeee +CONFIG_DRAM_SUNXI_TPR6=0x48808080 +CONFIG_DRAM_SUNXI_TPR10=0x402f6663 +CONFIG_DRAM_SUNXI_TPR11=0x26262524 +CONFIG_DRAM_SUNXI_TPR12=0x100f100f +CONFIG_MACH_SUN50I_H616=y +CONFIG_SUNXI_DRAM_H616_LPDDR4=y +CONFIG_DRAM_CLK=792 +CONFIG_MMC_SUNXI_SLOT_EXTRA=2 +CONFIG_R_I2C_ENABLE=y +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set +CONFIG_SPL_I2C=y +CONFIG_SPL_SYS_I2C_LEGACY=y +CONFIG_SYS_I2C_MVTWSI=y +CONFIG_SYS_I2C_SLAVE=0x7f +CONFIG_SYS_I2C_SPEED=400000 +CONFIG_SUN8I_EMAC=y +CONFIG_SUPPORT_EMMC_BOOT=y +CONFIG_AXP313_POWER=y +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_OHCI_HCD=y +CONFIG_USB_MUSB_GADGET=y diff --git a/dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4-zero.dts b/dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4-zero.dts new file mode 100644 index 00000000000..5d868eaaef9 --- /dev/null +++ b/dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4-zero.dts @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2025 Patrick Yavitz + */ + +/dts-v1/; + +#include "sun50i-h618-bananapi-m4.dtsi" + +/ { + model = "BananaPi BPI-M4-Zero"; + compatible = "sinovoip,bpi-m4-zero", "allwinner,sun50i-h618"; + + aliases { + serial5 = &uart5; + }; + + leds { + compatible = "gpio-leds"; + + led-0 { + color = ; + function = LED_FUNCTION_STATUS; + gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */ + linux,default-trigger = "heartbeat"; + }; + }; +}; + +/* Connected to an on-board RTL8821CU USB WiFi chip. */ +&ehci1 { + status = "disabled"; +}; + +&ehci3 { + status = "okay"; +}; + +/* SDIO */ +&mmc1 { + status = "disabled"; + bus-width = <4>; + max-frequency = <100000000>; + + non-removable; + disable-wp; + + /* WiFi firmware requires power to be kept while in suspend */ + keep-power-in-suspend; + + mmc-pwrseq = <&wifi_pwrseq>; + + cd-gpios = <&pio 6 15 GPIO_ACTIVE_HIGH>; /* PG15 */ + vmmc-supply = <®_vcc3v3>; + + sdio: wifi@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + +&ohci3 { + status = "okay"; +}; + +&usbotg { + status = "okay"; + dr_mode = "peripheral"; +}; + +&usbphy { + status = "okay"; + usb1_vbus-supply = <®_usb_vbus>; +}; diff --git a/dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4.dtsi b/dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4.dtsi new file mode 100644 index 00000000000..d0442ca9692 --- /dev/null +++ b/dts/upstream/src/arm64/allwinner/sun50i-h618-bananapi-m4.dtsi @@ -0,0 +1,200 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2025 Patrick Yavitz + */ + +/dts-v1/; + +#include "sun50i-h616.dtsi" + +#include +#include +#include +#include + +/ { + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + reg_usb_vbus: regulator-usb-vbus { + /* Separate discrete regulator for the USB ports */ + compatible = "regulator-fixed"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-name = "usb-vbus"; + vin-supply = <®_vcc5v>; + }; + + reg_vcc5v: regulator-vcc5v { + /* Board wide 5V supply directly from the USB-C socket */ + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-name = "vcc-5v"; + }; + + reg_vcc3v3: regulator-vcc3v3 { + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-3v3"; + vin-supply = <®_vcc5v>; + }; + + reg_vcc1v8: regulator-vcc1v8 { + compatible = "regulator-fixed"; + regulator-always-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc-1v8"; + vin-supply = <®_vcc3v3>; + }; + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&rtc CLK_OSC32K_FANOUT>; + clock-names = "ext_clock"; + pinctrl-0 = <&x32clk_fanout_pin>; + pinctrl-names = "default"; + post-power-on-delay-ms = <200>; + reset-gpios = <&pio 6 18 GPIO_ACTIVE_LOW>; /* PG18 */ + }; +}; + +&cpu0 { + cpu-supply = <®_dcdc2>; +}; + +/* SD card */ +&mmc0 { + status = "okay"; + bus-width = <4>; + max-frequency = <50000000>; + + disable-wp; + + cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */ + vmmc-supply = <®_vcc3v3>; +}; + +/* eMMC */ +&mmc2 { + status = "okay"; + bus-width = <8>; + cap-mmc-hw-reset; + mmc-hs200-1_8v; + + non-removable; + disable-wp; + + vmmc-supply = <®_vcc3v3>; + vqmmc-supply = <®_vcc1v8>; +}; + +&pio { + vcc-pc-supply = <®_aldo1>; + vcc-pf-supply = <®_dldo1>; + vcc-pg-supply = <®_dldo1>; + vcc-ph-supply = <®_dldo1>; + vcc-pi-supply = <®_dldo1>; + + /* Add UART Pins */ + uart4_pi_pins: uart4-pi-pins { + pins = "PI13", "PI14"; + function = "uart4"; + }; + + uart4_pi_rts_cts_pins: uart4-pi-rts-cts-pins { + pins = "PI15", "PI16"; + function = "uart4"; + }; + + uart5_ph_pins: uart5-ph-pins { + pins = "PH2", "PH3"; + function = "uart5"; + }; +}; + +&r_i2c { + status = "okay"; + + axp313: pmic@36 { + compatible = "x-powers,axp313a"; + reg = <0x36>; + #interrupt-cells = <1>; + interrupt-controller; + interrupt-parent = <&pio>; + + vin1-supply = <®_vcc5v>; + vin2-supply = <®_vcc5v>; + vin3-supply = <®_vcc5v>; + + regulators { + reg_aldo1: aldo1 { + regulator-always-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc-1v8-pll"; + }; + + reg_dldo1: dldo1 { + regulator-always-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-3v3-io"; + }; + + reg_dcdc1: dcdc1 { + regulator-always-on; + regulator-min-microvolt = <810000>; + regulator-max-microvolt = <990000>; + regulator-name = "vdd-gpu-sys"; + }; + + reg_dcdc2: dcdc2 { + regulator-always-on; + regulator-min-microvolt = <810000>; + regulator-max-microvolt = <1100000>; + regulator-name = "vdd-cpu"; + }; + + reg_dcdc3: dcdc3 { + regulator-always-on; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-name = "vdd-dram"; + }; + }; + }; +}; + +&uart0 { + status = "okay"; + pinctrl-0 = <&uart0_ph_pins>; + pinctrl-names = "default"; +}; + +&uart1 { + status = "disabled"; + pinctrl-0 = <&uart1_pins>; + pinctrl-names = "default"; +}; + +&uart4 { + status = "disabled"; + pinctrl-0 = <&uart4_pi_pins>; + pinctrl-names = "default"; +}; + +&uart5 { + status = "okay"; + pinctrl-0 = <&uart5_ph_pins>; + pinctrl-names = "default"; +}; -- 2.43.0 From 99cf1c27b0e94fee704f683ba0f338b239de6bdf Mon Sep 17 00:00:00 2001 From: Patrick Yavitz Date: Sun, 3 Aug 2025 09:13:29 -0400 Subject: [PATCH] Enable KASLR Signed-off-by: Patrick Yavitz --- configs/bananapi_m4zero_defconfig | 2 ++ configs/kickpi_k2b_defconfig | 2 ++ 2 files changed, 4 insertions(+) diff --git a/configs/bananapi_m4zero_defconfig b/configs/bananapi_m4zero_defconfig index 6d70efd1a50..0c41226db49 100644 --- a/configs/bananapi_m4zero_defconfig +++ b/configs/bananapi_m4zero_defconfig @@ -17,6 +17,7 @@ CONFIG_DRAM_CLK=792 CONFIG_MMC_SUNXI_SLOT_EXTRA=2 CONFIG_R_I2C_ENABLE=y # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set +CONFIG_CMD_KASLRSEED=y CONFIG_SPL_I2C=y CONFIG_SPL_SYS_I2C_LEGACY=y CONFIG_SYS_I2C_MVTWSI=y @@ -25,6 +26,7 @@ CONFIG_SYS_I2C_SPEED=400000 CONFIG_SUN8I_EMAC=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_AXP313_POWER=y +CONFIG_DM_RNG=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_OHCI_HCD=y CONFIG_USB_MUSB_GADGET=y -- 2.43.0