Re: [U-Boot] U-Boot on ARM9

Hello. Thank you for your quick response. 2008/9/22 Hebbar <[EMAIL PROTECTED]>: [skip] > Generally bootloader doesnt use IRQ for running. But if u need to use > IRQ/FIQ u need to setup stacks for the Same. Right, because U-Boot is basically needed to initialize hardware and prepaare it to launc

Re: [U-Boot] U-Boot on ARM9

This is done in the ${U_BOOT}/cpu/arm926ejs/start.S for SVC Mode ---> @ line 173 for IRQ Mode ---> @ line 327 for FIQ Mode ---> @ line 331 Hope this would clear your doubts. Regards Gururaja -- View this message in context: http://www.

[U-Boot] U-Boot on ARM9

Hello. I have a few questions on arm926 initialization code, located in ${U_BOOT}/cpu/arm926ejs/start.S: 1) what is the point of deliberately setting up SVC mode, as it's already in this mode right upon the reset? 2) I can't quite understand what 'CONFIG_USE_IRQ' is used for. It is defined on just