Hi all,
i am looking for some help for the following issue:
I had uClinux running perfectly on Coldfire MCF5307/4M nor FLASH/16M
SDRAM, when it was copied from flash to SDRAM at address 0x400, just
after the VBR, and i was then jumping at 0x400 from the "colilo"
bootloader that was running from the flash.
Now i changed the bootloader using U-boot, and this bootloader works
reloacted into SDRAM, from 0x0 to 0x20000, so i recompiled uClinux to be
copied in SDRAM just after the bootloader, with these settings:
(0x0) Address of the base of RAM
(0x1000000) Size of RAM (in bytes), or 0 for automatic
(0x0) Address of the base of system vectors
(0x20000) Address of the base of kernel code
Once copied from flash to sdram (at 0x20000) and started (with u-boot
command "go 0x20000") i don't get any output from the serial console
at all, like if the kernel is locked near the beginning.
I don't know how to debug this issue, any help is very appreciated.
Thanks
angelo
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