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Date: Wed, 5 Oct 2016 14:49:08 +0300
From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Stefan Roese <sr@denx.de>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [PATCH v3 0/3] spi-nor: Add support for Intel SPI serial flash
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On Wed, Oct 05, 2016 at 01:31:20PM +0200, Stefan Roese wrote:
> Sure, I can definitely add something here in U-Boot. Since I'm
> pretty new to this driver / controller and its interface to the BIOS,
> could you perhaps suggest those values please? To enable the Linux
> driver with full read-write support to such chips?

These values are from Minnowboard MAX which is based on Baytrail:

[    8.112316] intel-spi intel-spi: PREOP_OPTYPE=0x7f480606
[    8.118278] intel-spi intel-spi: OPMENU0=0x0405039f
[    8.123754] intel-spi intel-spi: OPMENU1=0x0102d820

Maybe something like that?