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[2001:1ae9:1c2:4c00:20f:c6b4:1e57:7965]) by smtp.gmail.com with ESMTPSA id lu4-20020a170906fac400b009889c4bd8absm4911712ejb.216.2023.06.22.10.24.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 10:24:02 -0700 (PDT) Date: Thu, 22 Jun 2023 19:23:56 +0200 From: Andrew Jones To: Alexandre Ghiti Cc: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Conor Dooley , Sunil V L , Song Shuai , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= Subject: Re: [PATCH v2 2/3] Documentation: riscv: Add early boot document Message-ID: <20230622-4af59422f118ea634836d351@orel> References: <20230621072234.9900-1-alexghiti@rivosinc.com> <20230621072234.9900-2-alexghiti@rivosinc.com> <20230621-d6da578719f8af903d6746ef@orel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230621-d6da578719f8af903d6746ef@orel> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 21, 2023 at 02:19:50PM +0200, Andrew Jones wrote: > On Wed, Jun 21, 2023 at 09:22:33AM +0200, Alexandre Ghiti wrote: ... > > +Hardware description > > +-------------------- > > + > > +The firmware can pass either a devicetree or ACPI tables to the RISC-V kernel. > > + > > +The devicetree is either passed directly to the kernel from the previous stage > > +using the `$a1` register, or when booting with UEFI, it can be passed using the > > +EFI configuration table. > > + > > +The ACPI tables are passed to the kernel using the EFI configuration table. In > > +this case, a tiny devicetree is still created by the EFI stub. Please refer to > > +"EFI stub and devicetree" tree section below for details about this devicetree. > ^ redundant 'tree' here > Can whoever applies this drop this 'tree' I pointed while applying? Thanks, drew