linux-kernel - Re: [PATCH v1] arm64: dts: ti: k3-am64: Add ESM0 to device memory map

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Date:   Fri, 11 Feb 2022 08:19:23 +0100
From:   Christian Gmeiner <christian.gmeiner@...il.com>
To:     Hari Nagalla <hnagalla@...com>
Cc:     devicetree@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Tero Kristo <kristo@...nel.org>
Subject: Re: [PATCH v1] arm64: dts: ti: k3-am64: Add ESM0 to device memory map

Hi

Am Do., 10. Feb. 2022 um 18:30 Uhr schrieb Hari Nagalla <hnagalla@...com>:
>
> AM64x SoCs have two ESM modules, with one in MAIN voltage domain and the
> other in MCU voltage domain. The error output from Main ESM module can
> be routed to the MCU ESM module. The error output of MCU ESM can be
> configured to reset the device. The MCU ESM configuration address space
> is already opened and this patch opens the MAIN ESM configuration
> address space.
>
> For ESM details please refer technical reference manual at
> https://www.ti.com/lit/pdf/spruim2
>
> Signed-off-by: Hari Nagalla <hnagalla@...com>

Reviewed-by: Christian Gmeiner <christian.gmeiner@...il.com>

> ---
>  arch/arm64/boot/dts/ti/k3-am64.dtsi | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am64.dtsi b/arch/arm64/boot/dts/ti/k3-am64.dtsi
> index 120974726be8..0622a93ec136 100644
> --- a/arch/arm64/boot/dts/ti/k3-am64.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am64.dtsi
> @@ -66,6 +66,7 @@
>                 #address-cells = <2>;
>                 #size-cells = <2>;
>                 ranges = <0x00 0x000f4000 0x00 0x000f4000 0x00 0x000002d0>, /* PINCTRL */
> +                        <0x00 0x00420000 0x00 0x00420000 0x00 0x00001000>, /* ESM0 */
>                          <0x00 0x00600000 0x00 0x00600000 0x00 0x00001100>, /* GPIO */
>                          <0x00 0x00a40000 0x00 0x00a40000 0x00 0x00000800>, /* Timesync router */
>                          <0x00 0x01000000 0x00 0x01000000 0x00 0x02330400>, /* First peripheral window */
> --
> 2.17.1
>


-- 
greets
--
Christian Gmeiner, MSc

https://christian-gmeiner.info/privacypolicy