[coreboot] new problem with KGPE-d16

[Kyösti Mälkki]

On Tue, Jan 10, 2017 at 12:13 AM, ron minnich <rminnich at gmail.com> wrote:

> what's weird is coreboot is unchanged, just the payload.
>
> I am wondering if anyone recognizes this
>
> IMD small region:
>   IMD ROOT    0. bfffec00 00000400
>   ROMSTAGE    1. bfffebe0 00000004
>   GDT         2. bfffe9e0 00000200
> Writing AMD DCT configuration to Flash
> CBFS: 'Master Header Locator' located CBFS at [100:ffffc0)
> CBFS: Locating 's3nv'
> CBFS: Found @ offset 2fec0 size 10000
> Manufacturer: ef
> SF: Detected W25Q128 with sector size 0x1000, total 0x1000000
> FCH SPI: Too much to write. Does your SPI chip driver use spi_crop_chunk()?
> SF: Failed to send command 06: 1
> FCH SPI: Too much to write. Does your SPI chip driver use spi_crop_chunk()?
> SF: Failed to send command 06: 1
>
> Also ... "Too much to write" ... I'll submit a CL but, folks, "Too much to
> write"? How about some numbers on this kind of message :-)
>
>
All AMD southbridge/spi.c is affected: spi_ctrlr_xfer() fails with
bytesout==0.

-       bytesout--;
+       if (bytesout)
+               bytesout--;

That alone might fix it, but will need to check datasheets about resetting
fifo pointers.

Kyösti
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