From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9CC272 for ; Thu, 29 Apr 2021 02:40:01 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 5D6856145A for ; Thu, 29 Apr 2021 02:40:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619664001; bh=bxaOdh1GJadqZrk1QP2neiie7OjfP6XuNprfVsLRP9E=; h=References:In-Reply-To:Reply-To:From:Date:Subject:To:Cc:From; b=Xxpba4jbzuymHKKEs5/lvpaZipk/0OQC4K2l38fWQuUaTbI1BmJ3YMME5IfN/4t45 5wzW3/pnjqt6PhelwAIE2FuFceQ9X8Ui6znzhnWJHdAqmrU9YVmjPhiaqItoaalROK I8dUUzSHdiAri0PUVw9q/wkJZAUjX9KDXNaLOcr/0ZPYgjcZkZr8A2RjcudGtYMEZ2 KwgXH/PZivXBjd0RqGSvNG2P7gg/7QeMD1dUrht1kPO95ikFRWVv435PgnpGnnGZ4s bAEGZAOKFDQ42VgSz28ZZWNwMSW0gTmWqviD9AvtCoZZFiad1n6s8vR4iV+IOiY+yp jZN7Fl/zCna/Q== Received: by mail-lf1-f44.google.com with SMTP id j10so9335458lfb.12 for ; Wed, 28 Apr 2021 19:40:01 -0700 (PDT) X-Gm-Message-State: AOAM5327m9efSTDPrTtf7cDY9Gxely1ruSZhPIHAQ8ZFdWiHhicLIZn5 /Lh4suWvqpZGLq8SzMc9kE2iRdJBN3YOfC9slh8= X-Google-Smtp-Source: ABdhPJw2WnBZFfX45JL45AehyiHx0sTFP0QHhTkpoLUgkbkZ3xRVn64Q/V6w6mV3Wkzks84qPeQi0/Whz+0KldyjRr4= X-Received: by 2002:a05:6512:3910:: with SMTP id a16mr23292893lfu.303.1619663999672; Wed, 28 Apr 2021 19:39:59 -0700 (PDT) X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20210428225304.23788-1-andre.przywara@arm.com> In-Reply-To: <20210428225304.23788-1-andre.przywara@arm.com> Reply-To: wens@kernel.org From: Chen-Yu Tsai Date: Thu, 29 Apr 2021 10:39:48 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-sunxi] [PATCH] sunxi: H616: Enable full 4GB of DRAM To: =?UTF-8?Q?Andr=C3=A9_Przywara?= Cc: Jagan Teki , Jernej Skrabec , Icenowy Zheng , Samuel Holland , Simon Glass , Tom Rini , U-Boot Mailing List , linux-sunxi , linux-sunxi@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Hi, On Thu, Apr 29, 2021 at 6:53 AM Andre Przywara wrote: > > The H616 is our first supported Allwinner SoC which goes beyond the 4GB > address space "barrier", by having more than 32 address bits. Nit: I wouldn't say it's the first. The A80 supports up to 8GB address space with LPAE. It just never shipped with more than 2GB DRAM. ChenYu From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Date: Thu, 29 Apr 2021 10:39:48 +0800 Subject: [linux-sunxi] [PATCH] sunxi: H616: Enable full 4GB of DRAM In-Reply-To: <20210428225304.23788-1-andre.przywara@arm.com> References: <20210428225304.23788-1-andre.przywara@arm.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, On Thu, Apr 29, 2021 at 6:53 AM Andre Przywara wrote: > > The H616 is our first supported Allwinner SoC which goes beyond the 4GB > address space "barrier", by having more than 32 address bits. Nit: I wouldn't say it's the first. The A80 supports up to 8GB address space with LPAE. It just never shipped with more than 2GB DRAM. ChenYu