Re: [PATCH arm/aspeed/ast2500 v2] eSPI: add ASPEED AST2500 eSPI driver to boot a host with PCH runs on eSPI

2018-02-23 Thread Wang, Haiyue
On 2018-02-23 18:25, Andy Shevchenko wrote: On Fri, 2018-02-23 at 15:04 +0800, Haiyue Wang wrote: When PCH works under eSPI mode, the PMC (Power Management Controller) in PCH is waiting for SUS_ACK from BMC after it alerts SUS_WARN. It is in dead loop if no SUS_ACK assert. This is the basic requ

Re: [PATCH arm/aspeed/ast2500 v2] eSPI: add ASPEED AST2500 eSPI driver to boot a host with PCH runs on eSPI

2018-02-23 Thread Andy Shevchenko
On Fri, 2018-02-23 at 15:04 +0800, Haiyue Wang wrote: > When PCH works under eSPI mode, the PMC (Power Management Controller) > in > PCH is waiting for SUS_ACK from BMC after it alerts SUS_WARN. It is in > dead loop if no SUS_ACK assert. This is the basic requirement for the > BMC > works as eSPI s

[PATCH arm/aspeed/ast2500 v2] eSPI: add ASPEED AST2500 eSPI driver to boot a host with PCH runs on eSPI

2018-02-22 Thread Haiyue Wang
When PCH works under eSPI mode, the PMC (Power Management Controller) in PCH is waiting for SUS_ACK from BMC after it alerts SUS_WARN. It is in dead loop if no SUS_ACK assert. This is the basic requirement for the BMC works as eSPI slave. Also for the host power on / off actions, from BMC side, th