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Date: Thu, 22 Oct 2009 16:48:33 +0530
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Subject: Query: Does Linux kernel 2.6.31 support read/write/erase on ST make
	M29W128GH Flash memory chip?
From: prakash bedge <embeddeddeveloper2009@gmail.com>
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Hi All,

I am searching for M29W128GH support in Linux kernel 2.6.31.
On internet I am seeing that there is some patch work for fixup on write
buffer coomand on M29W128GH. This shows that Linux kernel 2.6.31 supports
the M29W128GH.
But I am not seeing any memory mapping for M29W128GH.

Can anyone please tell me that whether Linux kernel 2.6.31 support the
read/write/erase on M29W128GH? If yes how I can check that?
Which of below files I should use for communicating with ST M29W128GH flash
chip?
cfi_cmdset_0001.c
cfi_cmdset_0002.c
cfi_cmdset_0020.c -- Looks like I shall use this but not confirm.
cfi_probe.c

I am novice to flash driver in kernel so might be not getting the exact
details on M29W128GH.
Expecting a help from seniors in this field.

Thanks in advance.


Thanks & Regards,
Aakash

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<div>Hi All,</div>
<div>=A0</div>
<div>I am searching for M29W128GH support in Linux kernel 2.6.31.</div>
<div>On internet I am seeing that there is some patch work for fixup on wri=
te buffer coomand on M29W128GH. This shows that Linux kernel 2.6.31 support=
s the M29W128GH.</div>
<div>But I am not seeing any memory mapping for M29W128GH.</div>
<div>=A0</div>
<div>Can anyone please tell me that whether Linux kernel 2.6.31 support the=
 read/write/erase on M29W128GH? If yes how I can check that?</div>
<div>Which of below files I should use for communicating with ST M29W128GH =
flash chip?</div>
<div>cfi_cmdset_0001.c</div>
<div>cfi_cmdset_0002.c</div>
<div>cfi_cmdset_0020.c -- Looks like I shall use this but not confirm.</div=
>
<div>cfi_probe.c</div>
<div>=A0</div>
<div>I am novice to flash driver in kernel so might be not getting the exac=
t details on M29W128GH. </div>
<div>Expecting a help from seniors in this field.</div>
<div>=A0</div>
<div>Thanks in advance.</div>
<div>=A0</div>
<div>=A0</div>
<div>Thanks &amp; Regards,</div>
<div>Aakash</div>

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