leon: bring back / add new target for LEON3 SPARC support

This target has been removed in 2014, re-add target with renewed
interest. It will support LEON3/4-based SPARC CPUs, as well as running
images via QEMU/leon3.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

diff --git a/target/linux/leon/Makefile b/target/linux/leon/Makefile
new file mode 100644 (file)
index 0000000..f67802b
--- /dev/null
+++ b/target/linux/leon/Makefile
@@ -0,0 +1,25 @@
+#
+# Copyright (C) 2023 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+ARCH:=sparc
+BOARD:=leon
+BOARDNAME:=LEON
+FEATURES+=fpu tgz
+CPU_TYPE:=v8
+
+#origi: CFLAGS:=-Os -pipe -mcpu=v8 -fno-caller-saves
+#CFLAGS:= -mcpu=leon3 -D__sparc_v8__
+# -Os -pipe -msoft-float
+KERNELNAME:="uImage"
+
+KERNEL_PATCHVER:=5.15
+MAINTAINER:=Zoltan HERPAI <wigyori@uid0.hu>
+
+include $(INCLUDE_DIR)/target.mk
+
+$(eval $(call BuildTarget))

diff --git a/target/linux/leon/config-5.15 b/target/linux/leon/config-5.15
new file mode 100644 (file)
index 0000000..6629b57
--- /dev/null
+++ b/target/linux/leon/config-5.15
@@ -0,0 +1,225 @@
+# CONFIG_64BIT is not set
+CONFIG_ARCH_32BIT_OFF_T=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
+CONFIG_ARCH_PROC_KCORE_TEXT=y
+CONFIG_ASSOCIATIVE_ARRAY=y
+CONFIG_AUDIT_ARCH=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_AUTOFS_FS=y
+CONFIG_BCM_NET_PHYLIB=y
+CONFIG_BINFMT_MISC=y
+CONFIG_BLK_DEBUG_FS=y
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_BOUNCE=y
+# CONFIG_BPF_SYSCALL is not set
+# CONFIG_BRIDGE is not set
+CONFIG_BROADCOM_PHY=y
+# CONFIG_CACHEFILES is not set
+CONFIG_CICADA_PHY=y
+CONFIG_CLZ_TAB=y
+# CONFIG_COMMON_CLK is not set
+# CONFIG_COMPACTION is not set
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_COMPAT_BRK=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_COREDUMP=y
+CONFIG_CPU_BIG_ENDIAN=y
+CONFIG_CPU_ISOLATION=y
+CONFIG_CPU_NO_EFFICIENT_FFS=y
+CONFIG_CPU_RMAP=y
+CONFIG_CRASH_CORE=y
+# CONFIG_CRC32_SARWATE is not set
+CONFIG_CRC32_SLICEBY8=y
+CONFIG_CROSS_MEMORY_ATTACH=y
+CONFIG_DAVICOM_PHY=y
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_MISC=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DEFAULT_HOSTNAME="leon"
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEVMEM=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DMA_OPS=y
+CONFIG_DNOTIFY=y
+CONFIG_DNS_RESOLVER=y
+CONFIG_DST_CACHE=y
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_ELF_CORE=y
+CONFIG_EMULATED_CMPXCHG=y
+CONFIG_FIXED_PHY=y
+CONFIG_FORCE_MAX_ZONEORDER=13
+CONFIG_FWNODE_MDIO=y
+# CONFIG_FW_LOADER_USER_HELPER is not set
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_ISA_DMA=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GRACE_PERIOD=y
+CONFIG_GRETH=y
+CONFIG_GRO_CELLS=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT_MAP=y
+CONFIG_HID=y
+CONFIG_HIGHMEM=y
+CONFIG_HW_CONSOLE=y
+CONFIG_HZ_PERIODIC=y
+CONFIG_ICPLUS_PHY=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_INET_DIAG=y
+# CONFIG_INET_DIAG_DESTROY is not set
+# CONFIG_INET_RAW_DIAG is not set
+CONFIG_INET_TCP_DIAG=y
+CONFIG_INET_TUNNEL=y
+CONFIG_INITRAMFS_COMPRESSION_GZIP=y
+# CONFIG_INITRAMFS_COMPRESSION_NONE is not set
+CONFIG_INITRAMFS_ROOT_GID=0
+CONFIG_INITRAMFS_ROOT_UID=0
+CONFIG_INITRAMFS_SOURCE="${BR_BINARIES_DIR}/rootfs.cpio"
+CONFIG_INPUT=y
+CONFIG_IO_URING=y
+CONFIG_IPV6=y
+CONFIG_IPV6_SIT=y
+CONFIG_IRQ_WORK=y
+CONFIG_KALLSYMS=y
+CONFIG_KEYS=y
+CONFIG_KMAP_LOCAL=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_LOCKD=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_LSI_ET1011C_PHY=y
+CONFIG_LSM="lockdown,yama,loadpin,safesetid,integrity,bpf"
+CONFIG_LXT_PHY=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MAGIC_SYSRQ_SERIAL=y
+CONFIG_MARVELL_PHY=y
+CONFIG_MDIO_BUS=y
+CONFIG_MDIO_DEVICE=y
+CONFIG_MDIO_DEVRES=y
+CONFIG_MEMFD_CREATE=y
+CONFIG_MICREL_PHY=y
+CONFIG_MODULES_USE_ELF_RELA=y
+CONFIG_MQ_IOSCHED_DEADLINE=y
+CONFIG_MQ_IOSCHED_KYBER=y
+CONFIG_NATIONAL_PHY=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_SG_DMA_LENGTH=y
+CONFIG_NETFS_SUPPORT=y
+CONFIG_NET_FLOW_LIMIT=y
+CONFIG_NET_IP_TUNNEL=y
+CONFIG_NET_SELFTESTS=y
+CONFIG_NLS=y
+CONFIG_NR_CPUS=32
+CONFIG_NVMEM=y
+CONFIG_NVMEM_SYSFS=y
+CONFIG_ODD_RT_SIGACTION=y
+CONFIG_OF=y
+CONFIG_OF_KOBJ=y
+CONFIG_OF_MDIO=y
+CONFIG_OF_PROMTREE=y
+CONFIG_OID_REGISTRY=y
+CONFIG_OLD_SIGACTION=y
+CONFIG_OLD_SIGSUSPEND=y
+# CONFIG_OVERLAY_FS is not set
+# CONFIG_PANIC_ON_OOPS is not set
+CONFIG_PANIC_ON_OOPS_VALUE=0
+CONFIG_PANIC_TIMEOUT=0
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_PGTABLE_LEVELS=3
+CONFIG_PHYLIB=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_PTP_1588_CLOCK_OPTIONAL=y
+CONFIG_QSEMI_PHY=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=21
+CONFIG_RCU_TRACE=y
+CONFIG_RD_GZIP=y
+CONFIG_REALTEK_PHY=y
+CONFIG_RFS_ACCEL=y
+CONFIG_ROOT_NFS=y
+CONFIG_RPS=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_M48T59=y
+CONFIG_RTC_NVMEM=y
+CONFIG_SBUS=y
+CONFIG_SBUSCHAR=y
+# CONFIG_SCHED_STACK_END_CHECK is not set
+# CONFIG_SECURITY_DMESG_RESTRICT is not set
+# CONFIG_SERIAL_8250 is not set
+CONFIG_SERIAL_CONSOLE=y
+CONFIG_SERIAL_GRLIB_GAISLER_APBUART=y
+CONFIG_SERIAL_GRLIB_GAISLER_APBUART_CONSOLE=y
+CONFIG_SERIAL_SUNCORE=y
+CONFIG_SERIAL_SUNZILOG=y
+CONFIG_SERIAL_SUNZILOG_CONSOLE=y
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SGETMASK_SYSCALL=y
+CONFIG_SLAB=y
+# CONFIG_SLAB_FREELIST_HARDENED is not set
+# CONFIG_SLAB_FREELIST_RANDOM is not set
+# CONFIG_SLUB is not set
+CONFIG_SMP=y
+CONFIG_SMSC_PHY=y
+CONFIG_SOCK_DIAG=y
+CONFIG_SOCK_RX_QUEUE_MAPPING=y
+CONFIG_SPARC=y
+CONFIG_SPARC32=y
+CONFIG_SPARC32_SMP=y
+# CONFIG_SPARC_LED is not set
+CONFIG_SPARC_LEON=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+CONFIG_SRCU=y
+# CONFIG_STAGING is not set
+CONFIG_STE10XP=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_SUNBMAC is not set
+# CONFIG_SUNLANCE is not set
+# CONFIG_SUNQE is not set
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_SUN_OPENPROMFS=y
+CONFIG_SUN_OPENPROMIO=y
+CONFIG_SUN_PARTITION=y
+CONFIG_SUN_PM=y
+CONFIG_SWPHY=y
+# CONFIG_SYN_COOKIES is not set
+CONFIG_SYSCTL_EXCEPTION_TRACE=y
+CONFIG_SYSFS_SYSCALL=y
+# CONFIG_TADPOLE_TS102_UCTRL is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TICK_CPU_ACCOUNTING=y
+# CONFIG_TMPFS_XATTR is not set
+CONFIG_TRACE_CLOCK=y
+CONFIG_TREE_RCU=y
+CONFIG_TREE_SRCU=y
+CONFIG_UBOOT_ENTRY_ADDR=0xf0004000
+CONFIG_UBOOT_FLASH_ADDR=0x00080000
+CONFIG_UBOOT_LOAD_ADDR=0x40004000
+CONFIG_UEVENT_HELPER_PATH=""
+CONFIG_USB_EHCI_BIG_ENDIAN_DESC=y
+CONFIG_USB_EHCI_BIG_ENDIAN_MMIO=y
+CONFIG_USB_UHCI_BIG_ENDIAN_DESC=y
+CONFIG_USB_UHCI_BIG_ENDIAN_MMIO=y
+CONFIG_USELIB=y
+# CONFIG_VHOST_MENU is not set
+# CONFIG_VIRTIO_MENU is not set
+CONFIG_VITESSE_PHY=y
+# CONFIG_VLAN_8021Q is not set
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_XPS=y
+# CONFIG_XZ_DEC is not set
+CONFIG_ZLIB_INFLATE=y

diff --git a/target/linux/leon/image/Makefile b/target/linux/leon/image/Makefile
new file mode 100644 (file)
index 0000000..3351375
--- /dev/null
+++ b/target/linux/leon/image/Makefile
@@ -0,0 +1,55 @@
+#
+# Copyright (C) 2023 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+define Build/leon-image
+       rm -f $@.boot #$(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img
+        mkfs.fat $@.boot  -C $(FAT32_BLOCKS)
+
+        mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)-boot.scr ::boot.scr
+        mcopy -i $@.boot $(DTS_DIR)/$(DEVICE_DTS).dtb ::dtb
+        mcopy -i $@.boot $(IMAGE_KERNEL) ::Image
+
+        ./gen_sifiveu_sdcard_img.sh \
+                $@ \
+                $@.boot \
+                $(IMAGE_ROOTFS) \
+                $(CONFIG_SIFIVEU_SD_BOOT_PARTSIZE) \
+                $(CONFIG_TARGET_ROOTFS_PARTSIZE) \
+                $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)-u-boot.itb \
+                $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)-u-boot.itb-spl
+endef
+
+define Device/Default
+  PROFILES := Default
+  KERNEL_NAME := Image
+  KERNEL := kernel-bin | libdeflate-gzip
+  IMAGES := sdcard.img.gz
+  IMAGE/sdcard.img.gz := riscv-sdcard | append-metadata | gzip
+endef
+
+define Device/sifive_unleashed
+  DEVICE_VENDOR := SiFive
+  DEVICE_MODEL := Unleashed (FU540)
+  DEVICE_DTS := sifive/hifive-unleashed-a00
+  UBOOT := sifive_unleashed
+endef
+TARGET_DEVICES += sifive_unleashed
+
+
+define Image/Prepare
+       cp $(LINUX_DIR)/arch/sparc/boot/vmlinux $(KDIR)/vmlinux
+       $(STAGING_DIR_IMAGE)/mklinux/mklinuximg $(KDIR)/vmlinux $(STAGING_DIR_IMAGE)/image0.ram
+endef
+
+define Image/BuildKernel
+       mkdir -p $(BIN_DIR)
+       cp $(KDIR)/image0.ram $(BIN_DIR)/$(IMG_PREFIX)-image0.ram
+endef
+
+$(eval $(call BuildImage))