[U-Boot] u-boot-x86 sf probe fail

Hilbert Tu(杜睿哲_Pegatron) Hilbert_Tu at pegatroncorp.com
Wed Jun 15 10:42:00 CEST 2016


Hi Bin,

Thanks for your information.

The SPI address I mentioned was dumped from pch_get_spi_base(). But I have no idea where to check my memory mapping.
It is possible that coreboot remaps the address due to my wrong init cofig.
Attached is my boot-up log for your reference.

Regards,
Hilbert

-----Original Message-----
From: Bin Meng [mailto:bmeng.cn at gmail.com]
Sent: Wednesday, June 15, 2016 4:09 PM
To: Hilbert Tu(杜睿哲_Pegatron)
Cc: u-boot at lists.denx.de
Subject: Re: [U-Boot] u-boot-x86 sf probe fail

Hi Hilbert,

On Wed, Jun 15, 2016 at 2:30 PM, Hilbert Tu(杜睿哲_Pegatron)
<Hilbert_Tu at pegatroncorp.com> wrote:
> Hi Simon,
>
> I have checked the SPI base address in coreboot and u-boot. They are different. I am not sure is it due to the memory remapping.
> In coreboot, the SPI address is 0xfed0100
> In u-boot, the SPI address is 0x7fc36e00
> Do you have any comments? Thanks.

As Simon mentioned, please check pch_get_spi_base(). It's very likely
your Atom SoC maps the SPI base register to some different address
where current U-Boot does not know.

Regards,
Bin
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