[PATCH v2 3/4] arch: arm: mach-k3: am642_init: Probe ESM nodes

[Christian Gmeiner]

Am Mo., 28. Feb. 2022 um 05:56 Uhr schrieb Hari Nagalla <hnagalla at ti.com>:
>
> On AM64x devices, it is possible to route Main ESM0 error events to MCU
> ESM. MCU ESM high error output can trigger the reset logic to reset the
> device. So, for these devices we expect two ESM device nodes in the
> device tree, one for Main ESM and the another MCU ESM in the device tree.
>  When these ESM device nodes are properly configired it is possible to
> route the Main RTI0 WWDT output to the MCU ESM high ouput through Main
> ESM and trigger a device reset when
> CTRLMMR_MCU_RST_CTRL:MCU_ESM_ERROR_RESET_EN_Z is set to '0'.
>
> On K3 AM64x devices, the R5 SPL u-boot handles the ESM device node
> configurations.
>
> Signed-off-by: Hari Nagalla <hnagalla at ti.com>

Reviewed-by: Christian Gmeiner <christian.gmeiner at gmail.com>

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greets
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Christian Gmeiner, MSc

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