base: add support for loongarch64

Signed-off-by: Xiaotian Wu <wuxiaotian@loongson.cn>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

4 files changed, 66 insertions, 0 deletions

diff --git a/meta/conf/machine/include/loongarch/arch-loongarch.inc b/meta/conf/machine/include/loongarch/arch-loongarch.inc
new file mode 100644
index 0000000000..4b44614035
--- /dev/null
+++ b/meta/conf/machine/include/loongarch/arch-loongarch.inc
@@ -0,0 +1,7 @@
+# LoongArch Architecture definition
+
+DEFAULTTUNE ?= "loongarch64"
+
+TUNE_ARCH = "${TUNE_ARCH:tune-${DEFAULTTUNE}}"
+TUNE_PKGARCH = "${TUNE_PKGARCH:tune-${DEFAULTTUNE}}"
+TUNE_CCARGS:append = "${@bb.utils.contains('TUNE_FEATURES', 'loongarch64', ' -march=la464 -mabi=lp64d', ' ', d)}"
diff --git a/meta/conf/machine/include/loongarch/qemuloongarch.inc b/meta/conf/machine/include/loongarch/qemuloongarch.inc
new file mode 100644
index 0000000000..77245ff85d
--- /dev/null
+++ b/meta/conf/machine/include/loongarch/qemuloongarch.inc
@@ -0,0 +1,35 @@
+PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot"
+
+require conf/machine/include/qemu.inc
+require conf/machine/include/loongarch/tune-loongarch.inc
+
+MACHINE_FEATURES = "screen keyboard ext2 ext3 serial"
+
+KERNEL_IMAGETYPE = "vmlinuz"
+KERNEL_IMAGETYPES += "vmlinuz"
+KEEPUIMAGE = "no"
+
+SERIAL_CONSOLES ?= "115200;ttyS0 115200;hvc0"
+
+IMAGE_FSTYPES += "ext4 wic.qcow2"
+
+WKS_FILE ?= "qemuloongarch.wks"
+
+MACHINE_EXTRA_RRECOMMENDS += " kernel-modules"
+
+#EXTRA_IMAGEDEPENDS += "opensbi"
+
+UBOOT_ENTRYPOINT_loongarch32 = "0x80400000"
+UBOOT_ENTRYPOINT_loongarch64 = "0x80200000"
+
+# qemuboot options
+QB_KERNEL_CMDLINE_APPEND = "earlycon=sbi"
+QB_MACHINE = "-machine virt"
+QB_DEFAULT_BIOS = "fw_jump.elf"
+QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"
+QB_NETWORK_DEVICE = "-device virtio-net-device,netdev=net0,mac=@MAC@"
+QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-device,drive=disk0"
+QB_SERIAL_OPT = "-device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
+QB_TCPSERIAL_OPT = " -device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
+# Add the 'virtio-rng-pci' device otherwise the guest may run out of entropy
+QB_OPT_APPEND = " -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-device,rng=rng0"
diff --git a/meta/conf/machine/include/loongarch/tune-loongarch.inc b/meta/conf/machine/include/loongarch/tune-loongarch.inc
new file mode 100644
index 0000000000..f02ddda474
--- /dev/null
+++ b/meta/conf/machine/include/loongarch/tune-loongarch.inc
@@ -0,0 +1,13 @@
+require conf/machine/include/loongarch/arch-loongarch.inc
+
+TUNEVALID[loongarch64] = "Enable 64-bit LoongArch optimizations"
+
+TUNEVALID[littleendian] = "Little endian mode"
+
+AVAILTUNES += "loongarch64"
+
+# Default
+TUNE_FEATURES:tune-loongarch64 = "loongarch64"
+TUNE_ARCH:tune-loongarch64 = "loongarch64"
+TUNE_PKGARCH:tune-loongarch64 = "loongarch64"
+PACKAGE_EXTRA_ARCHS:tune-loongarch64 = "loongarch64"
diff --git a/meta/conf/machine/qemuloongarch64.conf b/meta/conf/machine/qemuloongarch64.conf
new file mode 100644
index 0000000000..675d525afd
--- /dev/null
+++ b/meta/conf/machine/qemuloongarch64.conf
@@ -0,0 +1,11 @@
+#@TYPE: Machine
+#@NAME: generic loongarch64 machine
+#@DESCRIPTION: Machine configuration for running a generic loongarch64
+
+require conf/machine/include/loongarch/qemuloongarch.inc
+
+XVISOR_PLAT = "loongarch/virt64"
+
+EXTRA_IMAGEDEPENDS += "u-boot"
+UBOOT_MACHINE = "qemu-loongarch64_smode_defconfig"
+UBOOT_ELF = "u-boot"