[Skiboot] [Skiboot-stable] [PATCH v2] platform/mihawk: Tune equalization settings for opencapi
Oliver O'Halloran
oohall at gmail.com
Tue May 26 17:03:36 AEST 2020
On Fri, Apr 24, 2020 at 3:55 AM Frederic Barrat <fbarrat at linux.ibm.com> wrote:
>
> The Bittware 250SOC adapter on Mihawk was showing a high count of CRC
> errors on one of the opencapi slots. The PHY team suggested new
> equalization settings to correct the errors.
>
> All existing adapters have been tested on mihawk to make sure the
> settings are compatible. However, the new settings should not be used
> on platforms other than mihawk.
>
> The changes specific to mihawk are:
> - Update the tx_ffe_pre_coeff and tx_ffe_post_coeff input parameters
> used during zcal
> - turn off the tx_ffe_boost parameter through scom
>
> Signed-off-by: Frederic Barrat <fbarrat at linux.ibm.com>
> Cc: skiboot-stable at lists.ozlabs.org # skiboot-op940.x
Thanks, merged as afe6bc9051907d25082309895f8cfe44f59e2f25
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