[coreboot] i945: AHCI timeout with Crucial m4 SSD 2.5 in SeaBIOS on cold boot

[Sven Schnelle]

Am 14.09.2014 10:10, schrieb Paul Menzel:
> Dear coreboot and SeaBIOS folks,
>
>
> testing the SSD Crucial m4 SSD 2.5 256 GB SATA 6 Gb/s on the Lenovo
> X60t, the payload SeaBIOS 1.7.5-40-g5109366 does not detect the drive.
>
>          […]
>          32.705: |7f673000| WARNING - Timeout at ahci_port_setup:466!
>          32.705: |7f673000| AHCI/0: device not ready (tf 0x80)
>          33.205: |7f673000| WARNING - Timeout at ahci_port_reset:336!
>          […]
>
> Hitting Ctrl + Alt + Delete, the drive is detected.
>
> It is also reproducible on the Lenovo T60 with coreboot from four years
> ago and SeaBIOS 1.7.0-91-g7a39e72.
>
> The drive is detected correctly on the ASRock E350M1 with coreboot and
> SeaBIOS 1.7.5.
>
> Please find the whole serial log from SeaBIOS below.
>
> Does that look like a coreboot or SeaBIOS problem?
>
It's a SSD problem. I have the exact same SSD in my chromebook, and the 
SSD needs at least 500ms after
power up to do it's initialization. If i use a unpatched coreboot, i get 
the same errors (and a 5s stall after
resume from S3)

Regards
Sven