openbmc.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
* [PATCH linux dev-5.10] ARM: dts: aspeed: amd-ethanolx: Enable secondary LPC snooping address
@ 2021-09-09 12:57 Konstantin Aladyshev
  0 siblings, 0 replies; only message in thread
From: Konstantin Aladyshev @ 2021-09-09 12:57 UTC (permalink / raw)
  To: Joel Stanley, openbmc; +Cc: Andrew Jeffery, Konstantin Aladyshev

AMD EthanolX CRB uses 2-byte POST codes which are sent to ports 0x80/0x81.
Currently ASPEED controller snoops only 0x80 port and therefore captures
only the lower byte of each POST code.
Enable secondary LPC snooping address to capture the higher byte of POST
codes.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210127182326.424-1-aladyshev22@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
 arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
index 96ff0aea64e5..ac2d04cfaf2f 100644
--- a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
@@ -218,7 +218,7 @@ &kcs4 {
 
 &lpc_snoop {
 	status = "okay";
-	snoop-ports = <0x80>;
+	snoop-ports = <0x80>, <0x81>;
 };
 
 &lpc_ctrl {
-- 
2.25.1


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2021-09-09 12:53 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-09-09 12:57 [PATCH linux dev-5.10] ARM: dts: aspeed: amd-ethanolx: Enable secondary LPC snooping address Konstantin Aladyshev

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).