14 Sep
2010
14 Sep
'10
5:16 p.m.
On Tuesday, September 14, 2010 10:32:21 Kyungmin Park wrote:
BootROM code -> Initial Program Loader (runs on OneNAND 1KiB or internal RAM) -> u-boot (secondary bootloader). IPL configure the DRAM and loads the secondary bootloader, u-boot and jump it.
the IPL may or may not handle loading of u-boot. in the Blackfin case: BootROM -> IPL (program memory/clocks) -> return to BootROM which handles loading of and then jumping to u-boot.
more in-depth documentation can be found here: http://docs.blackfin.uclinux.org/doku.php?id=bootloaders -mike