linux-kernel - Re: [PATCH net-next v4 00/11] PRU-ICSSM Ethernet Driver

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Message-ID: <20250407104424.01cc42f2@kernel.org>
Date: Mon, 7 Apr 2025 10:44:24 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Parvathi Pudi <parvathi@...thit.com>
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Subject: Re: [PATCH net-next v4 00/11] PRU-ICSSM Ethernet Driver

On Mon,  7 Apr 2025 15:55:17 +0530 Parvathi Pudi wrote:
> 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 set of patch series builds on top of these components
> and introduces changes to support the Dual-EMAC using ICSSM on the TI AM57xx,
> AM437x and AM335x devices.
> 
> AM335x, AM437x and AM57xx devices may have either one or two PRU-ICSS instances
> with two 32-bit RISC PRU cores. Each PRU core has (a) dedicated Ethernet interface
> (MII, MDIO), timers, capture modules, and serial communication interfaces, and
> (b) dedicated data and instruction RAM as well as shared RAM for inter PRU
> communication within the PRU-ICSS.

This was posted prior to the "net-next is OPEN" announcement:
https://lore.kernel.org/all/20250407055403.7a8f40df@kernel.org/

In the interest of fairness towards those who correctly wait 
for the tree to be open I will ask you to repost this again,
in a couple of days.

Thanks!
-- 
pw-bot: defer