* [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
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