1*9b75bad0SSARTRE LeoU-Boot for the Congatec Conga-QEVAl Evaluation Carrier board with 2*9b75bad0SSARTRE Leoqmx6 quad module. 3*9b75bad0SSARTRE Leo 4*9b75bad0SSARTRE LeoThis file contains information for the port of U-Boot to the Congatec 5*9b75bad0SSARTRE LeoConga-QEVAl Evaluation Carrier board with qmx6 quad module. 6*9b75bad0SSARTRE Leo 7*9b75bad0SSARTRE Leo1. Boot source, boot from SD card 8*9b75bad0SSARTRE Leo--------------------------------- 9*9b75bad0SSARTRE Leo 10*9b75bad0SSARTRE LeoThis version of u-boot works only on the SD card. By default, the 11*9b75bad0SSARTRE LeoCongatec board can boot only from the SPI-NOR. 12*9b75bad0SSARTRE LeoBut, with the u-boot version provided with the board you can write boot 13*9b75bad0SSARTRE Leoregisters to force the board to reboot and boot from the SD slot. If 14*9b75bad0SSARTRE Leo"bmode" command is not available from your pre-installed u-boot, these 15*9b75bad0SSARTRE Leoinstruction will produce the same effect: 16*9b75bad0SSARTRE Leo 17*9b75bad0SSARTRE Leoconga-QMX6 U-Boot > mw.l 0x20d8040 0x3850 18*9b75bad0SSARTRE Leoconga-QMX6 U-Boot > mw.l 0x020d8044 0x10000000 19*9b75bad0SSARTRE Leoconga-QMX6 U-Boot > reset 20*9b75bad0SSARTRE Leoresetting ... 21*9b75bad0SSARTRE Leo 22*9b75bad0SSARTRE LeoThe the board will reboot and, if you have written your SD correctly 23*9b75bad0SSARTRE Leothe board will use u-boot that live into the SD 24*9b75bad0SSARTRE Leo 25*9b75bad0SSARTRE LeoTo copy the resulting u-boot.imx to the SD card: 26*9b75bad0SSARTRE Leo 27*9b75bad0SSARTRE Leo dd if=u-boot.imx of=/dev/xxx bs=512 seek=2 28*9b75bad0SSARTRE Leo 29*9b75bad0SSARTRE LeoNote: Replace xxx with the device representing the SD card in your system. 30