[U-Boot-Users] About Boot from EEPROM.

[Wolfgang Denk]

In message <BAY113-F14E878F958FBE0A21EAFCE8FC30 at phx.gbl> you wrote:
>
> 1) If we could burn the u-boot.bin to the EEPROM throuth programer off the 
> board and only read data from the EEPROM on board,should i need the driver 
> for the EEPROM?

No, unless you want to access it somehow in U-Boot.

In general, you *want* to have a driver to be able to use  U-Boot  to
update itself.

> 2) If it is correct to set the values of CFG_FLASH_BASE, CFG_MONITOR_BASE 
> and TEXT_BASE like this:
> CFG_FLASH_BASE=0xC2000000
> CFG_MONITOR_BASE=0xfff80000
> TEXT_BASE=0xfff80000

This may or may not be ok. We don't know your hardware.

> 3) I saw CFG_RAMBOOT in Start.S and CFG_LOWBOOT in MPC8260ads.h.What is the 

You better forget these. See the FAQ.

> meaning of them,sorry I am blunt to software.

Ummm... porting U-Boot requires a certain level of qualification...

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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