These patches support single-core DTS boot to the serial port login interface, which can be operated using conventional commands. I have successfully tested it on the Loongson 2K1000 machine. pmon: http://cgit.loongnix.org/cgit/pmon-loongson3/ Qing Zhang (6): MIPS: Loongson64: DeviceTree for 2K1000 MIPS: Loongson64: Distinguish firmware dependencies DTB/LEFI. MIPS: Loongson64: Add support for the 2K1000 to get cpu_clock_freq MIPS: Loongson64: Add 2K1000 early_printk_port irqchip/loongson-liointc: irqchip add 2.0 version. MIPS: Loongson64: Add a Loongson-2k default config file arch/mips/boot/dts/loongson/Makefile | 1 + .../boot/dts/loongson/loongson64-2k1000.dtsi | 243 ++++++++++++ .../dts/loongson/loongson64_2core_2k1000.dts | 10 + arch/mips/configs/loongson2k_defconfig | 353 ++++++++++++++++++ .../include/asm/mach-loongson64/boot_param.h | 6 + .../asm/mach-loongson64/builtin_dtbs.h | 1 + .../include/asm/mach-loongson64/loongson.h | 3 +- arch/mips/loongson64/env.c | 13 +- arch/mips/loongson64/init.c | 21 +- arch/mips/loongson64/time.c | 14 + drivers/irqchip/irq-loongson-liointc.c | 55 ++- 11 files changed, 706 insertions(+), 14 deletions(-) create mode 100644 arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi create mode 100644 arch/mips/boot/dts/loongson/loongson64_2core_2k1000.dts create mode 100644 arch/mips/configs/loongson2k_defconfig -- 2.20.1
