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Re: memory maps
- From: hong zhang <henryzhang62 at yahoo dot com>
- To: Gary Thomas <gary at mlbassoc dot com>
- Cc: ecos-discuss at ecos dot sourceware dot org
- Date: Fri, 7 Dec 2007 10:17:52 -0800 (PST)
- Subject: Re: [ECOS] memory maps
Gary,
Do you know how atag works with redboot? Because I
want to make changes for virtual memory range.
Freescale recommends mem=64M@0x80000000
mem=64M@0x90000000 in command line. But people say use
atag is better.
----henry
--- Gary Thomas <gary@mlbassoc.com> wrote:
> hong zhang wrote:
> > List,
> >
> > I look at
> >
>
http://ecos.sourceware.org/docs-latest/redboot/redboot-guide.html
> > and see memory maps like
> >
> > Physical Address Range Description
> > -----------------------
> > ----------------------------------
> > 0x00000000 - 0x7fffffff ATU Outbound Direct
> Window
> > 0x80000000 - 0x900fffff ATU Outbound Translate
> > Windows
> > 0xa0000000 - 0xbfffffff SDRAM
> > 0xf0000000 - 0xf0800000 FLASH
> (PBIU
> > CS0)
> > 0xfe800000 - 0xfe800fff UART
> (PBIU
> > CS1)
> > 0xfe840000 - 0xfe840fff Left 7-segment LED
> (PBIU
> > CS3)
> > 0xfe850000 - 0xfe850fff Right 7-segment LED
> (PBIU
> > CS2)
> > 0xfe8d0000 - 0xfe8d0fff Rotary Switch
> (PBIU
> > CS4)
> > 0xfe8f0000 - 0xfe8f0fff Baterry Status
> (PBIU
> > CS5)
> > 0xfff00000 - 0xffffffff Verde Memory mapped
> > Register
> >
> >
> > What redboot command can display memory maps
> layout?
>
> None, sorry. These maps were hand crafted :-)
>
>
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