C-SKY Development Kit
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Intro
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=====
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C-SKY is a CPU Architecture from www.c-sky.com and has it own instruction set.
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Just like arm and mips in linux/arch, it named as 'csky'.
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gx6605s develop board is made by Hangzhou Nationalchip and C-SKY.
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Hardware Spec:
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* CPU: ck610 up to 594Mhz
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* Integrate with 64MB ddr2 in SOC.
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* Integrate with hardware Jtag.
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* Integrate with usb-to-serial chip.
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* USB ehci controller in SOC.
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* Power Supply: DC 5V from two micro-usb.
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How to build it
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===============
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Configure Buildroot
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-------------------
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The csky_gx6605s_defconfig configuration is a sample configuration with
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all that is required to bring the gx6605s Development Board:
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$ make csky_gx6605s_defconfig
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Build everything
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----------------
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Note: you will need to have access to the network, since Buildroot will
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download the packages' sources.
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$ make
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Result of the build
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-------------------
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After building, you should obtain this tree:
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output/images/
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├── vmlinux
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├── rootfs.ext2
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└── <board name>.dtb
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How to run it
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=============
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Prepare Jtag-Server
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-------------------
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Download the Jtag-Server here:
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https://github.com/c-sky/tools/raw/master/DebugServerConsole-linux-x86_64-V4.2.00-20161213.tar.gz
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Go to the unpacked directory:
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$./DebugServerConsole -ddc -rstwait 1000 -prereset -port 1025
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Perhaps you need to use "sudo", which need libusb to detect c510:b210
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$ sudo ./DebugServerConsole -ddc -rstwait 1000 -prereset -port 1025
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Prepare USB drive
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-----------------
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You sould determine which device associated to the usb drive
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carefully. eg:
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$ cat /proc/partitions
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8 48 1971712 sdd
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8 49 976720 sdd1
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$ sudo dd if=rootfs.ext2 of=/dev/sdd1
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$ sudo sync
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Run
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---
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Plug the usb drive on gx6605s dev board.
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Setup the Console with the rate 115200/8-N-1.
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$ cd output/images
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$ ../host/bin/csky-linux-gdb -x ../../board/csky/gx6605s/gdbinit vmlinux
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