On Fri, Jun 16, 2023 at 09:59:14AM +0200, Alexander Stein wrote:
> Add coresight trace components (ETM, ETF, ETB and Funnel).
>
> ┌───────┐ ┌───────┐ ┌───────┐
> │ CPU0 ├─►│ ETM0 ├─►│ │
> └───────┘ └───────┘ │ │
> │ │
> ┌───────┐ ┌───────┐ │ ATP │
> │ CPU1 ├─►│ ETM1 ├─►│ │
> └───────┘ └───────┘ │ │
> │ FUNNEL│
> ┌───────┐ ┌───────┐ │ │
> │ CPU2 ├─►│ ETM2 ├─►│ │
> └───────┘ └───────┘ │ │ ┌─────┐
> │ │ │ │
> ┌───────┐ ┌───────┐ │ │ │ M4 │
> │ CPU3 ├─►│ ETM3 ├─►│ │ │ │
> └───────┘ └───────┘ └───┬───┘ └──┬──┘ AXI
> │ │ ▲
> ▼ ▼ │
> ┌───────────────────────────┐ ┌─────┐ ┌─┴──┐
> │ ATP FUNNEL ├──►│ ETF ├─► │ETR │
> └───────────────────────────┘ └─────┘ └────┘
>
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> ---
> This is a 1:1 copy from commit 71c2ac9a2a3da ("arm64: dts: imx8mp: Add
> coresight trace components") with the following changes:
> * Adjust clock names
> * Replace (Cortex-)M7 with M4 in comment
> * Remove Audio DSP funnel port
>
> This is untested, but the base addresses for the components are
> identical in the reference manuals.
I prefer to have it tested in some way before we apply it.
Shawn
