[ECOS] ARM 920t queries with eCos

mohanlal jangir mohanlaljangir@hotmail.com
Fri Jul 18 05:55:00 GMT 2003


> > 4. My arm integrator manual tells following memory map
> > REMAP       S1[1]            map to
> >     0                 0                bootROM
> >     0                 1                flash
> >     1                 x                SSRAM
>
> You don't say what S1[1] is in this context.
>
S1 is 4-pole DIP switch that controls memory mapping. S1[1] is first of the
four. Since on reset REMAP is "0" and S1[1] is also "0", bootROM is mapped
to address 0 and bootMonitors is getting executed. But following lines say
that RAM starts at address 0. This is confusing me.
> > MEMORY
> > {
> >     ram : ORIGIN = 0, LENGTH = 0x01000000
> > }


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