Re: [PATCH 09/14] Blackfin SPI driver: Fix SPI driver to work with SPI flash ST25P16 on bf548

• To: "Mike Frysinger" <[email protected]>
• Subject: Re: [PATCH 09/14] Blackfin SPI driver: Fix SPI driver to work with SPI flash ST25P16 on bf548
• From: David Brownell <[email protected]>
• Date: Wed, 31 Oct 2007 13:14:00 -0700
• Cc: [email protected], [email protected], "Sonic Zhang" <[email protected]>, [email protected]
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> > > pretty much all SPI flashes have two read commands ("slow" and "fast"
> > > as they're typically called).
> >
> > Not DataFlash.
> 
> doesnt it ?  AT45DB642D says 0x0B is fast (up to 66mhz) while 0x03 (up to 33mhz)

And ...041B, ...081B, ...161B, ...321, ...321C, and others don't.
(From a quick scan of datasheets I have locally...)

Those 0x0B and 0x03 commands are "new", and have never been
used by the Linux DataFlash drivers.

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---

• References:
  • [PATCH 00/14] Blackfin on-chip SPI controller driver updates and bug-fixing
    • From: Bryan Wu <[email protected]>
  • Re: [PATCH 09/14] Blackfin SPI driver: Fix SPI driver to work with SPI flash ST25P16 on bf548
    • From: David Brownell <[email protected]>
  • Re: [PATCH 09/14] Blackfin SPI driver: Fix SPI driver to work with SPI flash ST25P16 on bf548
    • From: "Mike Frysinger" <[email protected]>

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