[U-Boot-Users] CFG_MONITOR_BASE < CFG_FLASH_BASE
wd at denx.de
Thu May 17 12:00:50 CEST 2007
In message <406A31B117F2734987636D6CCC93EE3C017BA2FB at ehost011-3.exch011.intermedia.net> you wrote:
> Well, I cannot answer for all possible boards, but on 3 boards I have
> here (Spartan FPGA Microblaze core, Virtex FPGA PPC405 core,
> at91rm9200-ek ATMEL board) u-boot is configured to be compiled to run
> from RAM, gets loaded to RAM by another bootloader and runs there, yet
> u-boot looks for environment on the flash and "saveenv" saves
> environment onto flash. May be it's not a "canonical" way of running
> from RAM, but it's convenient for me.
The environment gets loaded into RAM from some persistent storage
(often flash) into RAM when U-Boot initializes; then alloperations
(setenv, references) are running on the in-RAM copy, and you can
explicitely save the current settings to persistent storage using the
Is this difficult to understand?
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