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Re: ATMEL flash
- To: "Trenton D. Adams" <tadams at theone dot dnsalias dot com>
- Subject: Re: [ECOS] ATMEL flash
- From: Jonathan Larmour <jlarmour at redhat dot com>
- Date: Wed, 19 Sep 2001 21:35:53 +0100
- Cc: 'eCos Discussion' <ecos-discuss at sourceware dot cygnus dot com>
- Organization: Red Hat UK Ltd.
- References: <000901c1411c$a4658190$090110ac@TRENT>
"Trenton D. Adams" wrote:
>
> I noticed that the edb7xxx HAL for eCos supports ATMEL flash. Does this
> mean the boot code for the download utility also supports this flash?
Probably.
> The eCos code for ATMEL flash looks like it might work with AMD flash
> (Am29DL640D). Does anyone know off hand if this is correct?
We have separate flash drivers for amd and atmel flash. I notice that the
atmel driver claims that erasing is not needed, and there's some
significant differences in flash_program_buf.
> Why would the boot code be input with numbers rather than assembly? I
> would like to convert this "C" boot buffer back to assembly, anyone know
> of a good way other than creating my own program to parse it and convert
> it to binary and then reverse engineer it from there?
Unless I'm misremembering, it was supplied by Cirrus Logic as-is. I don't
believe we've ever seen the source code for it.
Jifl
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