arm64: config: add Wiren Board 8 bootlet config profile

I don't like that this config is assembled on top on defconfig
because it brings lots of unnecessary stuff.

Created task SOFT-4220 to build it on top of tinyconfig in the future.

Jenkinsfile

@@ -1 +1 @@
-buildWbKernel defaultTargets: 'wb8'
+buildWbKernel defaultTargets: 'wb8 wb8x-bootlet'

arch/arm64/configs/wb8-bootlet.config

@@ -0,0 +1,164 @@
+# Wiren Board 8 specific kernel options for bootlet build
+
+#
+# Usable kernel options
+#
+
+# Setup initramfs source (actual path is dummy, will be replaced in build script)
+CONFIG_INITRAMFS_SOURCE="initramfs"
+
+# Disable localversion, we include it in our package version suffix
+# CONFIG_LOCALVERSION_AUTO is not set
+
+# Disable debug info
+CONFIG_DEBUG_INFO_NONE=y
+# CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
+
+# Disable preempt, it breaks something during shutdown
+# CONFIG_PREEMPT is not set
+
+# Add cpufreq_nvmem driver as built-in to make it available on boot
+CONFIG_ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM=y
+
+# Device tree overlays in configfs (for wb-hwconf-manager)
+CONFIG_OF_OVERLAY=y
+CONFIG_OF_CONFIGFS=y
+
+# Make GPIO available in userspace
+CONFIG_EXPERT=y
+CONFIG_NAMESPACES=y
+CONFIG_GPIO_SYSFS=y
+
+# USB gadget support (Debug network)
+CONFIG_USB_ETH=m
+CONFIG_USB_GADGETFS=m
+
+# File systems support
+CONFIG_MSDOS_FS=y
+CONFIG_EXFAT_FS=y
+CONFIG_NTFS_FS=y
+CONFIG_NTFS_RW=y
+
+# Detect lockups and hangs to reboot the system
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
+CONFIG_HARDLOCKUP_DETECTOR=y
+CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=300
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
+CONFIG_WQ_WATCHDOG=y
+CONFIG_WQ_CPU_INTENSIVE_REPORT=y
+CONFIG_TEST_LOCKUP=m
+
+# Thermal interfaces
+CONFIG_THERMAL_NETLINK=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_THERMAL_DEBUGFS=y
+CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=5000
+CONFIG_THERMAL_WRITABLE_TRIPS=y
+
+#
+# Special hardware support
+#
+
+# Add I2C as built-in to make PMIC available on boot
+CONFIG_I2C=y
+
+# I2C-GPIO to communicate with WBEC, ATECC and others
+CONFIG_I2C_GPIO=y
+
+# WBEC
+CONFIG_MFD_WBEC=y
+CONFIG_INPUT_WBEC_PWRBUTTON=y
+CONFIG_GPIO_WBEC=y
+CONFIG_WBEC_POWER=y
+CONFIG_WBEC_WATCHDOG=y
+CONFIG_RTC_DRV_WBEC=y
+CONFIG_WBEC_ADC=y
+
+# SD3078 RTC (optional on boards without WBEC)
+CONFIG_RTC_DRV_SD3078=y
+
+# Ethernet
+CONFIG_STMMAC_ETH=y
+CONFIG_MDIO_BITBANG=y
+
+# Set number of UARTs for 8250 driver
+CONFIG_SERIAL_8250_NR_UARTS=6
+CONFIG_SERIAL_8250_RUNTIME_UARTS=6
+
+# USB
+CONFIG_USB_CONN_GPIO=y
+
+# PWM
+CONFIG_PWM_SUN20I=y
+
+#
+# Remove unused target platforms except Allwinner
+#
+
+# CONFIG_ARCH_ACTIONS is not set
+CONFIG_ARCH_SUNXI=y
+# CONFIG_ARCH_ALPINE is not set
+# CONFIG_ARCH_APPLE is not set
+# CONFIG_ARCH_BCM is not set
+# CONFIG_ARCH_BCM2835 is not set
+# CONFIG_ARCH_BCM_IPROC is not set
+# CONFIG_ARCH_BCMBCA is not set
+# CONFIG_ARCH_BRCMSTB is not set
+# CONFIG_ARCH_BERLIN is not set
+# CONFIG_ARCH_EXYNOS is not set
+# CONFIG_ARCH_SPARX5 is not set
+# CONFIG_ARCH_K3 is not set
+# CONFIG_ARCH_LG1K is not set
+# CONFIG_ARCH_HISI is not set
+# CONFIG_ARCH_KEEMBAY is not set
+# CONFIG_ARCH_MEDIATEK is not set
+# CONFIG_ARCH_MESON is not set
+# CONFIG_ARCH_MVEBU is not set
+# CONFIG_ARCH_NXP is not set
+# CONFIG_ARCH_LAYERSCAPE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_S32 is not set
+# CONFIG_ARCH_MA35 is not set
+# CONFIG_ARCH_NPCM is not set
+# CONFIG_ARCH_QCOM is not set
+# CONFIG_ARCH_REALTEK is not set
+# CONFIG_ARCH_RENESAS is not set
+# CONFIG_ARCH_ROCKCHIP is not set
+# CONFIG_ARCH_SEATTLE is not set
+# CONFIG_ARCH_INTEL_SOCFPGA is not set
+# CONFIG_ARCH_STM32 is not set
+# CONFIG_ARCH_SYNQUACER is not set
+# CONFIG_ARCH_TEGRA is not set
+# CONFIG_ARCH_TESLA_FSD is not set
+# CONFIG_ARCH_SPRD is not set
+# CONFIG_ARCH_THUNDER is not set
+# CONFIG_ARCH_THUNDER2 is not set
+# CONFIG_ARCH_UNIPHIER is not set
+# CONFIG_ARCH_VEXPRESS is not set
+# CONFIG_ARCH_VISCONTI is not set
+# CONFIG_ARCH_XGENE is not set
+# CONFIG_ARCH_ZYNQMP is not set
+
+#
+# Remove large unused drivers to save disk space
+#
+
+# CONFIG_VIRTUALIZATION is not set
+# CONFIG_ACPI is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_PCI is not set
+# CONFIG_SURFACE_PLATFORMS is not set
+# CONFIG_CHROME_PLATFORMS is not set
+# CONFIG_MD is not set
+# CONFIG_BT is not set
+# CONFIG_WLAN is not set
+# CONFIG_WWAN is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_DRM is not set
+# CONFIG_FB is not set
+# CONFIG_SOUND is not set
+# CONFIG_MEDIA_SUPPORT is not set
+# CONFIG_RC_CORE is not set
+# CONFIG_STAGING is not set

scripts/package/wb/version.sh

@@ -9,8 +9,17 @@ setup_kernel_vars() {
 			KERNEL_DEFCONFIG="defconfig wb8.config"
 			KDEB_WBDESC="Wiren Board 8"
 			;;
+		wb8x-bootlet)
+			INITRAMFS_DIR="/usr/src/wb-initramfs/wb8x-bootlet"
+			DEBARCH=arm64
+			KERNEL_DEFCONFIG="defconfig wb8-bootlet.config"
+			BOOTLET_DTB=allwinner/sun50i-h616-wirenboard8xx.dtb
+			PROVIDES_BOOTLET_FOR_FITS=y
+			BOOTLET_DEPS=linux-image-wb8
+			KDEB_WBDESC="Wiren Board 8 (bootlet)"
+			;;
 		*)
-			echo "Unsupported KERNEL_FLAVOUR, please specify one of: wb8"
+			echo "Unsupported KERNEL_FLAVOUR, please specify one of: wb8, wb8x-bootlet"
 			return 1
 	esac