From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78275C28CBC for ; Sat, 9 May 2020 05:13:32 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 18A392184D for ; Sat, 9 May 2020 05:13:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ozlabs.org header.i=@ozlabs.org header.b="awm4grLC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 18A392184D Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49JwMY5P4rzDr9M for ; Sat, 9 May 2020 15:13:29 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49JwBJ08NCzDr30 for ; Sat, 9 May 2020 15:05:28 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=awm4grLC; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 49JwBH1w7Sz9sTC; Sat, 9 May 2020 15:05:27 +1000 (AEST) Received: by ozlabs.org (Postfix, from userid 1003) id 49JwBH07bSz9sSg; Sat, 9 May 2020 15:05:26 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1589000727; bh=2RLlhhGaeasDfLb3fZBQy4a2iqXLcsXLFtSJuhb3m+E=; h=Date:From:To:Subject:From; b=awm4grLCjj6LV+VP49HcwJF024bKoDXh+yRQvQ/Hi7kxFXSjGSd5IX2bhW9D4rOUh ytCPar83aNcWuGnifp84r2+s9hDVIpIU1q5hudRLImPpx2zpjxwDzE447ME5PV8A/O Gwy03urS7JH/UBFeG93go6ETXbPsOcGeTEPXnXXNowVJlKkSPH5C+WivNaojcC/GJ8 IDW+zvf36osoq+0p0OUkQOFI88F6Dl5+l++SJj9rHIbjmaY7jdO9aTMTq6QO/Amcad gM5xiQ5txxOFgFeTcvas4K+eKG+LO27SkD/KV5QOKRXR+jRs8Hn200S648CNd5dneG mBDfY4a62reGQ== Date: Sat, 9 May 2020 15:01:03 +1000 From: Paul Mackerras To: linuxppc-dev@ozlabs.org, Benjamin Herrenschmidt , Michael Neuling , Anton Blanchard Subject: [PATCH RFC 0/4] Add support for Microwatt-based SoCs Message-ID: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This patch series adds support for running Linux on a Microwatt SoC (system on chip) implementation on an FPGA. Microwatt is a small Power ISA implementation, targetted at FPGAs, aiming for PowerISA v3.0B compliance. It does not currently implement any floating-point or vector instructions, hypervisor mode, big-endian mode, 32-bit mode, or the HPT/SLB MMU facilities. However, it does support enough to run Linux (as of my "mmu" branch plus Ben's "litedram" branch"). Paul.