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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7CDE6106FD9D for ; Fri, 13 Mar 2026 08:46:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NsUCQVIzNQHr2p9LQbu20WhONjccLgtkmL4E5HJFC9w=; b=m61DDnrkgfZDJb nhyKcaW4lzV32db1F4RqzfVnXRaoJgNapjDjY8BB/IWKhu94CDWiX+0jEcFtTFv34nK8xhjusZMJe 2fNHBrviUJiXq3aH1EqoKwrpNF+N9FZc88/KPk+gXk7xsYotDcWHujFhD8ceuP9ww0IS0RWWjGDZb 0vZePt58YW06TsyYylYdwyF8YofSAE72XnCmHirfgZ5dI7gM3og8DmG6aXaX6bV+lCnxa51vgLYSn +DndJMsfTK33OWdh4XvsaHkLSUtGL1ZpfmDZm9EZV62pb0Dz+sDx6wmiMqy8hOHGDIA9HhtiIj+/f ZkLaMnQEqCVySJ39jPdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0yAP-0000000HIrC-0wHp; Fri, 13 Mar 2026 08:46:45 +0000 Received: from mail-qv1-xf2c.google.com ([2607:f8b0:4864:20::f2c]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0yAJ-0000000HIoc-3QZz for linux-riscv@lists.infradead.org; Fri, 13 Mar 2026 08:46:43 +0000 Received: by mail-qv1-xf2c.google.com with SMTP id 6a1803df08f44-899efe93d4eso24838226d6.2 for ; Fri, 13 Mar 2026 01:46:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773391598; x=1773996398; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=EWtVhcPwqjrv+e22Y/nIPTx2YCaGzJEiskvbRnBBT54=; b=FCNJtLIc56uDJe9vxXjsig7j5OLMmHE+vtmonYCvYFcf0cjCCtmUxQ3j1hjJBgXHrD dsL/kugWQlZ3GQZ3P1laZOjK47QEm72zt0HFF9VI3Vd0diyteSTW0VKRh7Sl3/X7UdiO hVyiZfP/DZ2ESQWdQ1KTDNAlpy+ApqO3wDmT19NjwsDOotrFbtvx5omsmeE/PoZ7W/Jx tB4aldPUZK7xsL5kz4JPl+ZxMw5DkA622HuRINdabitl9iPT1csBwlWMLx2wcDOG5ec8 a90GJlpmtqdTPFGVZfogut3R4aoyNMS/yHU+8kFkPPJ4zBBO5kquv8t4CyGFgujo2iyt p+Yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773391598; x=1773996398; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=EWtVhcPwqjrv+e22Y/nIPTx2YCaGzJEiskvbRnBBT54=; b=oM1ZdeZJ2VmUqoE4PybWpaP6iV9/dJasS4pN5U8+yEkgwJY6DWrhdBTFSfbCeMiw9a rMtsWMZDsMw1G9Xg69tPCRx6RRqwSISKAZ55ybnp+UsPIBWyDiKxV5xLQLLdvrRIMZZZ Dgmmty/3ZknheACSLTZQytRv3F274hMw2dT49KQmiT99d2YsgQ+xLHWE8YIoTlKAnXGN Ih2+l3tdX6F3GgScCigaDKZl6NAd6uYqNYly+ctDKEma1nSfDDxszmrKCCYAe2RpgwhP qjmBXsGGc2ZBzburfQd88G4s8cxsZwgdr90P1BYd/CpOPu/Hm+6bdtk+DIjrEYVxu8M4 WYdg== X-Gm-Message-State: AOJu0YzAFBaUsoRxK5LJXbcVQ+/PvTvn/vuqWA92Rm0BY0gJHxHMIvT8 4TMW+q16B/EfNxTJFoqr/pqZE+OpLZmz9qfuM2OYTuc/xFcyXYRVyryBubAp0Hsv X-Gm-Gg: ATEYQzy/sZVSjBo2yK0LjhPTO0ZFcW8d0KLyCUqQzIFOiL85aCootvsm1ZbJuu1CEOB SyRGK5TZ5PvNIh0SdG1F3PDJTZQJXud3mM2H1hJh02EK1LTyvxHeW4tY6ZVD9UUHi/3Rq6bp3ce UHvvrQq+zMuNT0A9OHMADpnfo076YXhvMgVvCQv9l9hWlkF6wsIFu1hqyG/k45J5LnptcOWEuPy 3tlIr4J8PqTKt/O7cxmYKGtwGqP5qCY79s7udZepUdxO5AV4H6ykAuRZclKbRVClntlB88VKqo1 YJnJDuzOvVibJXI6afdpaQsW7BGp6++PhnWWbqAiIcMT/0t/W30p+48Dy+Xsia6jOO2qRJtD0nY 7voEMbs7eiuJbOQLgnwXTjv/xaZbW8yTFoZmUoZhrQnxgxu4qPODgmORF8oUmjPbErQjWeye9/1 n/EyDjcn1zc807Y08HxRlH5mQuFnP4a0Tw25I= X-Received: by 2002:a05:6214:21c4:b0:899:fd8c:55d2 with SMTP id 6a1803df08f44-89a81cce733mr42999986d6.15.1773391598089; Fri, 13 Mar 2026 01:46:38 -0700 (PDT) Received: from m91p.airy.home ([172.92.174.155]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-89a65beb131sm50142206d6.13.2026.03.13.01.46.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Mar 2026 01:46:37 -0700 (PDT) From: Bo Gan To: linux-riscv@lists.infradead.org, samuel.holland@sifive.com, david@redhat.com, palmer@dabbelt.com, pjw@kernel.org, gaohan@iscas.ac.cn, me@ziyao.cc Cc: lizhi2@eswincomputing.com, hal.feng@starfivetech.com, marcel@ziswiler.com, conor@kernel.org, kernel@esmil.dk, devicetree@vger.kernel.org Subject: [RFC PATCH 6/6] [TESTING-ONLY] riscv: dts: eswin: eic7700: activate XPbmtUC Date: Fri, 13 Mar 2026 01:44:07 -0700 Message-Id: <20260313084407.29669-7-ganboing@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260313084407.29669-1-ganboing@gmail.com> References: <20260313084407.29669-1-ganboing@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260313_014639_857972_7B951B4B X-CRM114-Status: UNSURE ( 7.46 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Set riscv,xpbmt-uncache-bit to 38 for testing only. (Make sure your firmware remaps it as the following) [0x0, 0x20000000) Core Internal [0x20000000, 0x40000000) Core Internal (Die 1) [0x40000000, 0x60000000) Low MMIO [0x60000000, 0x80000000) Low MMIO (Die 1) [0x80000000, 0x10_80000000) Cached Mem [0x20_00000000, 0x30_00000000) Cached Mem (Die 1) [0x80_00000000, 0xa0_00000000) High MMIO [0xa0_00000000, 0xc0_00000000) High MMIO (Die 1) [0xc0_00000000, 0xd0_00000000) Uncached Mem <----------. [0xe0_00000000, 0xf0_00000000) Uncached Mem (Die 1) <--+--. with firmware/hypervisor re-mapping: | | ------------------------------------ | | [0x100_80000000, 0x110_80000000) Mem UC+ ----------------' | [0x120_00000000, 0x130_00000000) Mem UC+ (Die 1) -----------' Signed-off-by: Bo Gan --- arch/riscv/boot/dts/eswin/eic7700.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/boot/dts/eswin/eic7700.dtsi b/arch/riscv/boot/dts/eswin/eic7700.dtsi index f16ec76fb130c..5c413439daf0a 100644 --- a/arch/riscv/boot/dts/eswin/eic7700.dtsi +++ b/arch/riscv/boot/dts/eswin/eic7700.dtsi @@ -10,6 +10,7 @@ / { #address-cells = <2>; #size-cells = <2>; + riscv,xpbmt-uncache-bit = <38>; cpus { #address-cells = <1>; -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv