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

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Message-ID: <2e82fb20-c6f9-4cc3-a700-fce049295f58@lunn.ch>
Date: Thu, 9 Jan 2025 15:11:33 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Basharath Hussain Khaja <basharath@...thit.com>
Cc: danishanwar@...com, rogerq@...nel.org, andrew+netdev@...n.ch,
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Subject: Re: [RFC PATCH 00/10] PRU-ICSSM Ethernet Driver

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