[NOT-FOR-UPSTREAM] Add minimal starlight_defconfig

..and a small userspace in initramfs because we only have access to the
console uart, gpio and i2c.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>

arch/riscv/configs/starlight_defconfig

@@ -0,0 +1,123 @@
+CONFIG_LOCALVERSION="-starlight"
+CONFIG_SYSVIPC=y
+# CONFIG_CROSS_MEMORY_ATTACH is not set
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_PSI=y
+# CONFIG_CPU_ISOLATION is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_NAMESPACES=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE="root.cpio.zst"
+# CONFIG_RD_GZIP is not set
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
+CONFIG_EXPERT=y
+# CONFIG_SYSFS_SYSCALL is not set
+CONFIG_KCMP=y
+CONFIG_PERF_EVENTS=y
+# CONFIG_VM_EVENT_COUNTERS is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
+CONFIG_SOC_STARFIVE=y
+# CONFIG_RISCV_ERRATA_ALTERNATIVE is not set
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+# CONFIG_RISCV_SBI_V01 is not set
+CONFIG_JUMP_LABEL=y
+# CONFIG_STACKPROTECTOR is not set
+# CONFIG_GCC_PLUGINS is not set
+CONFIG_BLK_WBT=y
+# CONFIG_BLK_DEBUG_FS is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_MQ_IOSCHED_DEADLINE is not set
+# CONFIG_MQ_IOSCHED_KYBER is not set
+CONFIG_IOSCHED_BFQ=y
+CONFIG_KSM=y
+CONFIG_ZSMALLOC=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+# CONFIG_WIRELESS is not set
+# CONFIG_ETHTOOL_NETLINK is not set
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+# CONFIG_STANDALONE is not set
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_FW_LOADER is not set
+CONFIG_ZRAM=y
+CONFIG_ZRAM_MEMORY_TRACKING=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=1
+# CONFIG_INPUT_LEDS is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_LDISC_AUTOLOAD is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+# CONFIG_SERIAL_8250_16550A_VARIANTS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_DW=y
+# CONFIG_HW_RANDOM is not set
+# CONFIG_DEVMEM is not set
+CONFIG_I2C=y
+# CONFIG_I2C_COMPAT is not set
+CONFIG_I2C_CHARDEV=y
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I2C_DESIGNWARE_PLATFORM=y
+CONFIG_GPIO_TPS65086=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_TPS65086=y
+# CONFIG_HWMON is not set
+CONFIG_MFD_TPS65086=y
+# CONFIG_HID is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_FANOTIFY=y
+CONFIG_AUTOFS_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_LSM=""
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_CRC32C=y
+CONFIG_CRYPTO_ZSTD=y
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_SYMBOLIC_ERRNAME is not set
+CONFIG_STRIP_ASM_SYMS=y
+CONFIG_DEBUG_SECTION_MISMATCH=y
+# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_DEBUG_MISC is not set
+CONFIG_DEBUG_RODATA_TEST=y
+CONFIG_DEBUG_WX=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_WQ_WATCHDOG=y
+# CONFIG_SCHED_DEBUG is not set
+CONFIG_STACKTRACE=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=60
+# CONFIG_RCU_TRACE is not set
+# CONFIG_FTRACE is not set
+# CONFIG_RUNTIME_TESTING_MENU is not set