* [ECOS] CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE - uh ooo
@ 2001-08-29 10:08 Trenton D. Adams
2001-09-06 13:58 ` Jonathan Larmour
0 siblings, 1 reply; 3+ messages in thread
From: Trenton D. Adams @ 2001-08-29 10:08 UTC (permalink / raw)
To: eCos Discussion
Are legal values for this really 0 2 16 for the edb7xxx? We have our
board designed with 1 Meg RAM. Is this going to cause a problem?
Trenton D. Adams
Extreme Engineering
#17, 6025 - 12 St. SE
Calgary, Alberta, Canada
T2H 2K1
Phone: 403 640 9494 ext-208
Fax: 403 640 9599
http://www.extremeeng.com
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [ECOS] CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE - uh ooo
2001-08-29 10:08 [ECOS] CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE - uh ooo Trenton D. Adams
@ 2001-09-06 13:58 ` Jonathan Larmour
2001-09-06 16:21 ` Gary Thomas
0 siblings, 1 reply; 3+ messages in thread
From: Jonathan Larmour @ 2001-09-06 13:58 UTC (permalink / raw)
To: Trenton D. Adams; +Cc: eCos Discussion
"Trenton D. Adams" wrote:
>
> Are legal values for this really 0 2 16 for the edb7xxx? We have our
> board designed with 1 Meg RAM. Is this going to cause a problem?
Your board isn't an edb7xxx which is why other values haven't been
considered in the board. Short answer: it depends. The important stuff is
to do with the MMU setup. See include/hal_platform_setup.h and see what
fits your physical setup. Probably the 2mb setup.
Also look at hal_platform_extras.h.
Jifl
--
Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [ECOS] CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE - uh ooo
2001-09-06 13:58 ` Jonathan Larmour
@ 2001-09-06 16:21 ` Gary Thomas
0 siblings, 0 replies; 3+ messages in thread
From: Gary Thomas @ 2001-09-06 16:21 UTC (permalink / raw)
To: Jonathan Larmour; +Cc: Trenton D. Adams, eCos Discussion
On Fri, 2001-09-07 at 05:58, Jonathan Larmour wrote:
> "Trenton D. Adams" wrote:
> >
> > Are legal values for this really 0 2 16 for the edb7xxx? We have our
> > board designed with 1 Meg RAM. Is this going to cause a problem?
>
> Your board isn't an edb7xxx which is why other values haven't been
> considered in the board. Short answer: it depends. The important stuff is
> to do with the MMU setup. See include/hal_platform_setup.h and see what
> fits your physical setup. Probably the 2mb setup.
>
Indeed. EDB7xxx are the evaulation boards from Cirrus Logic which
support their EP7xxx chipsets. If you build a different board (i.e.
platform in eCos parlance), you'll need to tweak the platform support.
This may be only as hard as a few lines of change (which is why we
have a single "platform" for a number of their boards - they are all
quite similar), or as hard as cloning a new platform if there are
a number of differences.
> Also look at hal_platform_extras.h.
>
> Jifl
^ permalink raw reply [flat|nested] 3+ messages in thread
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2001-08-29 10:08 [ECOS] CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE - uh ooo Trenton D. Adams
2001-09-06 13:58 ` Jonathan Larmour
2001-09-06 16:21 ` Gary Thomas
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