MIPS Creator CI20

Supported Features

Single 1.2GHz MIPS32 processor
UART0 on Raspberry PI connector
256MiB DRAM

Configurations

Important

U-Boot must be properly configured for networking (e.g., valid ipaddr, serverip, and ethaddr environment variables) to fetch the image over TFTP.

NuttX is loaded via U-Boot using TFTP (replace <tftp_dir> with your local TFTP root directory).

You can use the following command to configure the NuttX build:

./tools/configure.sh -l ci20/nsh

 make CROSSDEV=mips-mti-elf-
 mkimage -A mips -O linux -T kernel -C none -a 0x80000180 -e 0x800004ac \
  -n "nx" -d nuttx.bin <tftp_dir>/nuttx.umg

Run this from U-Boot prompt:

tftp nuttx.umg && bootm $fileaddr

nsh

Basic serial console access to the NSH shell.

Note

Connect USB cable from your PC to UART0 pins on the Raspberry PI connector.

Then use some serial console client (minicom, picocom, teraterm, etc) configured to 115200 8n1 without software or hardware flow control.