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Wed, 03 Jun 2020 13:33:03 -0700 (PDT) Subject: Re: [PATCH v3 10/13] PCI: brcmstb: Set internal memory viewport sizes To: Jim Quinlan , linux-pci@vger.kernel.org, Christoph Hellwig , Nicolas Saenz Julienne , bcm-kernel-feedback-list@broadcom.com References: <20200603192058.35296-1-james.quinlan@broadcom.com> <20200603192058.35296-11-james.quinlan@broadcom.com> From: Florian Fainelli Message-ID: <40eda019-21a2-32ae-d0d7-6dc77f9d91f7@gmail.com> Date: Wed, 3 Jun 2020 13:33:00 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: <20200603192058.35296-11-james.quinlan@broadcom.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200603_133304_887942_01A85754 X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Lorenzo Pieralisi , open list , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , Bjorn Helgaas , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/3/2020 12:20 PM, Jim Quinlan wrote: > BrcmSTB PCIe controllers are intimately connected to the memory > controller(s) on the SOC. There is a "viewport" for each memory controller > that allows inbound accesses to CPU memory. Each viewport's size must be > set to a power of two, and that size must be equal to or larger than the > amount of memory each controller supports. > > Signed-off-by: Jim Quinlan Acked-by: Florian Fainelli -- Florian _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel