This procedure explains how to install and update u-boot on the EA1788 board. The install procedure requires 'Flash Magic' to place the initial image in internal FLASH, but once the image is in FLASH, it can be updated via u-boot itself. 1)Get the Flash Magic software at http://www.flashmagictool.com/ and install it. 2)Connect the serial UART on the EA1788 board to your Windows PC with the installed Flash Magic software. 3)On the EA1788 board, hold down the SW6 button while resetting the board to put it in ISP mode. 4)Download the program (u-boot-lpc.hex) via Flash Magic (see configuration below). It takes about 3 minutes to download. 5)Close Flash Magic and open a terminal program )ie, Teraterm) and configure it for 115.2K8N1 on the EA1788's connected UART. 6)Reset the board and you should get the UART prompt. NXP LPC1788 Cortex-M3 7)To update u-boot, download the u-boot-lpc.bin program via serial port or network and update with the procedure below. The procedure below uses tftp. U-Boot 2011.06 (Aug 16 2011 - 15:38:33) NXP LPC1788 Cortex-M3 |