Re: [RFC PATCH 00/10] PRU-ICSSM Ethernet Driver

Andrew Lunn
2025-01-09T14:11:51Z

On Thu, Jan 09, 2025 at 04:25:50PM +0530, Basharath Hussain Khaja wrote:
> Hi,
>
> The Programmable Real-Time Unit Industrial Communication Sub-system (PRU-ICSS)
> is available on the TI SOCs in two flavors: Gigabit ICSS (ICSSG) and the older
> Megabit ICSS (ICSSM).
>
> Support for ICSSG Dual-EMAC mode has already been mainlined [1] and the
> fundamental components/drivers such as PRUSS driver, Remoteproc driver,
> PRU-ICSS INTC, and PRU-ICSS IEP drivers are already available in the mainline
> Linux kernel. The current RFC patch series builds on top of these components
> and introduces changes to support the Dual-EMAC mode on ICSSM, especially on
> the TI AM57xx devices.

I guess this version also has the horrible architecture of multiple
firmware's you need to swap between at runtime?

Andrew