Dear Richard Retanubun, In message <[EMAIL PROTECTED]> you wrote: > > I am trying to limit the amount of memory needed to load and boot a linux > kernel (2.6.26) > to do this I loaded my fdt at address 0x20_0000 and uImage at 0x_30_0000 > > When I run bootm, I both the kernel and fdt passed their checksum tests, and > then I got this error. > ERROR: image is not a fdt - must RESET the board to recover.
...so the uncompressed Linux kernel image was written on top of your FDT image, corrupting it. > However, if I loaded my fdt at address 0x40_0000 and uImage at 0x50_0000, > bootm works fine. Makes sense. > Is there a reason why fdt must be loaded at a specific offset from the start > of RAM? Yes, there is - you need free space to load the uncompressed Linux kernel to low memory. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [EMAIL PROTECTED] Dealing with failure is easy: work hard to improve. Success is also easy to handle: you've solved the wrong problem. Work hard to improve. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
