How to access ESPICFG register on ast2500 ?

[ChiaWei Wang]

> From: openbmc <openbmc-bounces+chiawei_wang=aspeedtech.com at lists.ozlabs.org> On Behalf Of 不?
> Sent: Saturday, May 28, 2022 3:59 PM

> Dear openbmcer,
                       I want to access ESPICFG register such as ESPICFG004 ,ESPICFG008 on ast2500 . But I do not know the base address of ESPICFG register.
                       In ast2500 datasheet , only ESPI controller base address 0x1e6ee000 ,but it only can access ESPI register such as ESPI004, ESPI008.
                       I want to known how to access the ESPICFG register such as ESPICFG004 ,ESPICFG008 on ast2500. 

> Any advice will be appreciated.

ESPICFG registers can only be accessed from the Host.
You have to access ESPICFG registers by the GET_CONFIGURATION and SET_CONFIGURATION commands described in the eSPI spec.

Chiawei