Re: [PATCH v2 0/6] Add and fix ESM nodes
From: Jan Kiszka
Date: Wed Aug 14 2024 - 00:05:23 EST
On 14.08.24 01:03, Judith Mendez wrote:
> The following patch adds ESM nodes and fixes ESM source
> interrupts for Sitara K3 platforms. Currently watchdog cannot
> reset the CPU because of misconfiguration or missing ESM node
> in DT.
>
> ESM node was added for am62ax and am65x. For am62px ESM source
> interrupts are fixed. Comments were also added for clarity on what
> source interrupts are routed to ESM based on device TRM.
>
> ESM nodes like MCU ESM for am65x are added for device completion,
> currently, some ESM0 events are not routed to MCU ESM, so watchdog
> cannot reset the CPU using the current implementation.
Yes, that's why there is https://github.com/siemens/k3-rti-wdt and
probably similar bits in other R5 firmware. I was always told that is
the only way to reset the /system/ (CPU alone would not help). That
information is still correct?
Jan
>
> Changes since v1:
> - Remove watchdog patch
> - Add am64x patch 5/6
> - Add am65x patch 6/6
> - Add missing bootph flag
>
> Judith Mendez (5):
> arm64: dts: ti: k3-am62a: Add ESM nodes
> arm64: dts: ti: k3-am62p: Fix ESM interrupt sources
> arm64: dts: ti: k3-am62: Add comments to ESM nodes
> arm64: dts: ti: k3-am64: Add more ESM interrupt sources
> arm64: dts: ti: k3-am65: Add ESM nodes
>
> Santhosh Kumar K (1):
> arm64: dts: ti: k3-am62p: Remove 'reserved' status for ESM
>
> arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 1 +
> arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 1 +
> arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 8 ++++++++
> arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi | 8 ++++++++
> arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi | 3 ++-
> arch/arm64/boot/dts/ti/k3-am62p-j722s-common-mcu.dtsi | 4 ++--
> arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 3 ++-
> arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi | 3 ++-
> arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 8 ++++++++
> arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 8 ++++++++
> 10 files changed, 42 insertions(+), 5 deletions(-)
>
>
> base-commit: e3cce1229c34b5c28f103361c4d6b3ef17302d5d
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