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 67D5DCD98D2 for ; Sat, 13 Jun 2026 08:22:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=aDCfgIsCd0Q4hB2aGkv+tHe8owWljtqt1jPIzUxxB/s=; b=U5MfDed5pzBLTp162dW0M7XLNd vdrLrB9BC/NblFk9cwZd/HQb+Cakxf9tdKZi8mcWMWoNjtYFSon6Gkdk47vYKfrYfSYd7tDOdcp4f ZB1V1ysSj+V8n8GWV51Q8rge6GXvRRDlEhlKG9h7NY9kagMi8ICNhqdfUdRZkzV/EcBtHuhEDEY3f DjuuN6M+2L9eSc/E/HpYkNZx6nSePEz6apL+TRuoplm9sj1UUEeMiqFXjX1YmUEDIfRtW0igyaqTi 3N5scOsk+DzC3K9oaY5lTlsgFcDOqB23hTPkyHIhgzXpM2h3GhZdUjdCn80Eg8Jo51j4Gi8pXqOlh cZfXPsYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wYJdU-0000000C5Hk-0kiI; Sat, 13 Jun 2026 08:22:36 +0000 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wYJdR-0000000C5HK-1Z1D for linux-arm-kernel@lists.infradead.org; Sat, 13 Jun 2026 08:22:34 +0000 Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-45ef82204c6so1016904f8f.3 for ; Sat, 13 Jun 2026 01:22:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781338951; x=1781943751; 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=aDCfgIsCd0Q4hB2aGkv+tHe8owWljtqt1jPIzUxxB/s=; b=A0roAa8ywHxIF3er9JjKfiAyJCDEey02/ygOrIy5q4ta+Tddwo8Bnn7JWsYA6nlT0Q UsU1jBReWQoLduDPh0hZXKvKSl4c8Qp4LvR5MTarWa1TRzO2ZVQPlme8HJO+T+MJ8cdg XuKxf3Yst2yXlZauNOyGD1csBUyyOyRmQidkzn4+h3DI5KcG153CWpbCKxOoDXGPh+Ay FZO5WRD5A2AiXOEfNQM3aqFhLLuV4QAO5Rp3DquPjbt2ZQ7dRM7bIv7tIcxfpvbfxMux 4GmEvj2G9S26UgKQH3JqY3Vo+7+fHvrhrdhj4igvQbu0hg1eNO23qLAC3i0O6qiuZ90J P2Pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781338951; x=1781943751; 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=aDCfgIsCd0Q4hB2aGkv+tHe8owWljtqt1jPIzUxxB/s=; b=Mkg0+pcS63qabkJ/6H3Wl7MVomjsuWhddAD5+2xzIH0OhUgHGdcL4p6QgqSV54VeEI uzejDXCjOV4c16h1xtvMxim9a5tkb68/rjzCTGXIZuzweqqyXFMUqVw8KN5kyNsPJ74T jsheUh1rHUH4nFDbBuIWNuo/VAZx0+jn1qVt5OjOS+jxw1ix2PySqaSyyN8hn7D/uqHH qbAVHPVSifY2VYgZ7hJQSsJt5hU39flQaSz63auJMwoS3Nphy3JeWGvSPE8P2SCmKd07 RaTOJgdGuPdFwzoIx23vLGPO+erDV4B4MH1dxQO12rybtmJWP/lvdZSDyTU33g5UCZZA FPwQ== X-Gm-Message-State: AOJu0YyI7c40g95WiVKZDZdMZYEqt792legxvxFFTxJ/x0z+CqBv1Hnw LVzbDNQxiXswlUOa/MgkLDpBS6anw+KQm8R4ERUmH26I9t0469F2/QRsF/V9bqvW X-Gm-Gg: Acq92OEfy0Gk0ztoPb3qKbQimTL/XHE/gBg7b05OhtaIZ5KyZJDvwJG7G4cisKzSGAw HL78uhLtTFlmURyPOv10l4rJCqVhnAQB6IimLOa2bCLIAvaZoItS3Bvxy9UrblD8MlFhIFTwd4P HxhQuX0+TiUG0AlZGNbgVkItbZ02XH/TJMrSRaVPD+0FAdnAelFroWdlVWUznUWMOiqvTFF5dXR 3uvBwnfG7yBmoNcKdRFE4GN6VnxgH3A0YPiG1aKDsw8t6XzqaSHjT8EEZIADB3o20XmPIF9HDBE UaDiN2tP3AJnI8uumfIeFIjQYLuaKRYrZDgsYzGmCvibixVuuelzek5N5iFl5dycuULHRP0lLDZ DRMc++9ykCd/LGY4uL26AMxGrTlhjuj5ug2DhIOO36JF/B3aksgi2FvXeU5yzPE+Lxf6YCdNh2q tPO2qd6d9New/XhbN9WkqwyKcJUXrCo9gZQNKUIp2WhDR/kvL8mEngHuI= X-Received: by 2002:a05:6000:608:b0:460:70ae:f196 with SMTP id ffacd0b85a97d-46070aef211mr8420172f8f.7.1781338951277; Sat, 13 Jun 2026 01:22:31 -0700 (PDT) Received: from jernej-laptop.localnet ([188.159.248.16]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4606f26f3dcsm12723144f8f.13.2026.06.13.01.22.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Jun 2026 01:22:30 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Alexander Sverdlin Cc: Alexander Sverdlin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Samuel Holland , Hans de Goede , Dmitry Torokhov , Andre Przywara , Jun Yan , Lukas Schmid , =?UTF-8?B?Si4gTmV1c2Now6RmZXI=?= , Eric Biggers , Michal Simek , Luca Weiss , Sven Peter , Maxime Ripard , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org Subject: Re: [PATCH v4 6/7] arm64: dts: allwinner: a100: reserve RAM for ATF Date: Sat, 13 Jun 2026 10:22:29 +0200 Message-ID: <_6NEZ78hR8a_3V2bhBAGoQ@gmail.com> In-Reply-To: <20260605070923.3045073-7-alexander.sverdlin@gmail.com> References: <20260605070923.3045073-1-alexander.sverdlin@gmail.com> <20260605070923.3045073-7-alexander.sverdlin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260613_012233_426675_70C04081 X-CRM114-Status: GOOD ( 16.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne petek, 5. junij 2026 ob 09:09:20 Srednjeevropski poletni =C4=8Das je Al= exander Sverdlin napisal(a): > Add reserved-memory node carving out Trusted Firmware-A region spanning > fixed 256K from physical address 0x40000000. Even though Allwinner ATF > itself passes the address range in the fdt to U-Boot, U-Boot currently > only reserves this memory internally, but doesn't carve out the region > in the fdt passed to Linux. >=20 > Signed-off-by: Alexander Sverdlin NAK. It is job of boot procedure to properly inject TF-A reserved node. Any issue should be fixed there. Best regards, Jernej Skrabec > --- > Changelog: > v4: > - new patch >=20 > arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/= boot/dts/allwinner/sun50i-a100.dtsi > index 7cb06b19b5a5..d8391663fd1d 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi > @@ -87,6 +87,22 @@ osc32k: osc32k-clk { > #clock-cells =3D <0>; > }; > =20 > + reserved-memory { > + #address-cells =3D <2>; > + #size-cells =3D <2>; > + ranges; > + > + /* > + * 256 KiB reserved for Trusted Firmware-A (BL31). > + * This is added by BL31 itself, but some bootloaders fail > + * to propagate this into the DTB handed to kernels. > + */ > + secmon@40000000 { > + reg =3D <0x0 0x40000000 0x0 0x40000>; > + no-map; > + }; > + }; > + > timer { > compatible =3D "arm,armv8-timer"; > interrupts =3D =20