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Date: Sat, 16 Oct 2010 22:20:16 +0800
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Subject: Re: Re :Re: [Help] SST39VF6401B Support
From: yidong zhang <zhangyd6@gmail.com>
To: Wolfram Sang <w.sang@pengutronix.de>
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On Sat, Oct 16, 2010 at 9:17 PM, Wolfram Sang <w.sang@pengutronix.de> wrote=
:
> On Sat, Oct 16, 2010 at 08:25:44PM +0800, yidong zhang wrote:
>> Hi
>> =A0 Thanks for your reply. In the cfi_nopri_fixup_table, i added the
>> below code as you did.
>> { CFI_MFR_SST, 0x236D, fixup_sst39vf_rev_b, NULL, }, // SST39VF6401B
>
> OK, please just use C-style comments (I just sent another patch
> converting the others). Also, would be nice if you could check the
> datasheet for other IDs mentioned there and add them, too.
>
>> And the flash can get detected. But i still have one confusion.
>> According to the =A0data sheets Table 6, in the 6th bus write cycle.
>> 39VF6401B uses 0x50 and 39VF6401 uses 0x30. If 39VF6401B uses 0x30 in
>
> Ouch! Is this true for the other 39VF*-non-B and B-versions, too?

Yeah,  it is true for the other  39vf*-no-B and B-versions listed on
the cfi_nopri_fixup_table. And many other chips look like the
39VF*-B-versions.



>
> Adding Guillaume to CC...
>
> Regards,
>
> =A0 Wolfram
>
> --
> Pengutronix e.K. =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 | Wo=
lfram Sang =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0|
> Industrial Linux Solutions =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 | http://www.p=
engutronix.de/ =A0|
>
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