* [PATCH] ARM: dts: aspeed: amd-ethanolx: Enable secondary LPC snooping address
@ 2021-01-27 18:23 Konstantin Aladyshev
2021-01-27 23:16 ` Andrew Jeffery
0 siblings, 1 reply; 2+ messages in thread
From: Konstantin Aladyshev @ 2021-01-27 18:23 UTC (permalink / raw)
Cc: supreeth.venkatesh, aladyshev22, Rob Herring, Joel Stanley,
Andrew Jeffery, devicetree, linux-arm-kernel, linux-aspeed,
linux-kernel
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>
---
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 @@
&lpc_snoop {
status = "okay";
- snoop-ports = <0x80>;
+ snoop-ports = <0x80>, <0x81>;
};
&lpc_ctrl {
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: aspeed: amd-ethanolx: Enable secondary LPC snooping address
2021-01-27 18:23 [PATCH] ARM: dts: aspeed: amd-ethanolx: Enable secondary LPC snooping address Konstantin Aladyshev
@ 2021-01-27 23:16 ` Andrew Jeffery
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Jeffery @ 2021-01-27 23:16 UTC (permalink / raw)
To: Konstantin Aladyshev
Cc: devicetree, linux-aspeed, linux-kernel, Rob Herring,
Joel Stanley, supreeth.venkatesh, linux-arm-kernel
On Thu, 28 Jan 2021, at 04:53, Konstantin Aladyshev wrote:
> 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>
^ permalink raw reply [flat|nested] 2+ messages in thread
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