[Skiboot] [PATCH v7 2/3] platforms/astbmc: Check for SBE validation step

Vasant Hegde hegdevasant at linux.vnet.ibm.com
Thu May 9 14:32:14 AEST 2019

On 05/09/2019 08:38 AM, Samuel Mendoza-Jonas wrote:
> On some POWER8 astbmc systems an update to the SBE requires pausing at
> runtime to ensure integrity of the SBE. If this is required the BMC will
> set a chassis boot option IPMI flag using the OEM parameter 0x62. If
> Skiboot sees this flag is set it waits until the SBE update is complete
> and the flag is cleared.
> Unfortunately the mystery operation that validates the SBE also leaves
> it in a bad state and unable to be used for timer operations. To
> workaround this the flag is checked as soon as possible (ie. when IPMI
> and the console are set up), and once complete the system is rebooted.
> Signed-off-by: Samuel Mendoza-Jonas <sam at mendozajonas.com>

Reviewed-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>


More information about the Skiboot mailing list