Hi,
I have a custom board with an AM3517 processor. I have previously used x-loader and U-Boot 2010.06. I am now trying to update to U-Boot 2011.09 and found that the x-loader concept is no longer used and that I instead should use the new U-Boot SPL framework.
However, I have trouble understanding how this works exactly. I have compiled the new U-Boot for my target and an MLO file and an u-boot.img file have been generated. When I put these files on a SD card it works like a charm and my board can boot into Linux ok.
But now I want to boot from NAND. So I tried to write the MLO file and u-boot.img to NAND but the boot log now looks like the log below. It seems to load the SPL from the NAND flash but I get all these error messages. And then it looks like it loads the "main" u-boot but it hangs before reading the linux kernel.
Must I compile the SPL and U-Boot in some magic way in order to boot from NAND memory? Should I use the generated MLO and u-boot.img files or some other files to write to NAND? In the spl folder I also see a generated u-boot-spl and u-boot-spl.bin? What are these files used for?
Any information is much appreciated. Thanks!
@QT,0 @ø
U-Boot SPL 2011.09 (Apr 05 2013 - 14:35:32)
Texas Instruments Revision detection unimplemented
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U-Boot 2011.09 (Apr 05 2013 - 14:35:32) R5 1.3_TESTING
I2C: ready
DRAM: 256 MiB
board_init
NAND: HW ECC selected
1024 MiB
MMC:
Using default environment
In: serial
Out: serial
Err: serial
Die ID #63d60001000000000160ae2c1701d017
8 BIT SW ECC selected
Hit any key to stop autoboot: 0