From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2531D3C9893 for ; Sat, 13 Jun 2026 08:22:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781338957; cv=none; b=ea74GoK3pmpxJ8gsLJYyjkfqj4QueqX8sngbGpPcGM8fpzN3mD3lMPhqe0fKWmJ/uwbAOpxOl5APLNQAFf+xDixFbNHgDFgBAvnr1V2nxM5r86JPVAWxRKSAV+bg7vP+Ll2F/mpZAemngBVrbIryyQehdRY1KeR52JCC1xqHiO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781338957; c=relaxed/simple; bh=5BOSuS+iU7vFYlQwtmoDD7uZ06WyRq2X9XCUtj9GmXQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=m89ZYlImouVgQCgxvIb5uLz/LKBYBDXjC3Z2SKX3iaGg2bwLS4zwRQTFnakTEuE8KV3vu/ZlZ9JAx76s6LBeXA4zL3vg+2YyJ5z+iCEmqRVzR0e2rRpRcgzjCgA3Jg7TthfvKuVCOUy2doq/uV+8bj256Kgj4BXRBuY9ODMNW/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=GVEYIj6U; arc=none smtp.client-ip=209.85.221.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GVEYIj6U" Received: by mail-wr1-f51.google.com with SMTP id ffacd0b85a97d-45eea68dd6fso941718f8f.2 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=vger.kernel.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=GVEYIj6US3GAHbVfY4IWPlRtWf+6RQE4Mg4kXNNpyqCzK3yVm0eAln2zThaaOQ1o8Z j4FUz8m8/7rYWsA2ksMTualM1zRXt21xz3c+mo4raS0H6rDFXxalgRCT4EW8zjZmBase aKbEGJNT7P0u6Q6N/ik9FJ0770KNjMBAUTofO4IQnEs5tY453YoI6a7osK/UMFRGwLZ4 EKGuvW/a3qI1Rt6JNH+2XKrujHRN8KVxmWaPPxJsTOhU2kulrSvke4Rw20WNN5gJDe75 B83FESP3pkP508wE7wkOy+SwEjvj1dQGcaTYG5lL/X2LbW0tX2khC/+GLNTXfSkdZxux QRFA== 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=V/LBp39xEubNcuCjtMXDspICeIcW6E1G7T+ZpWuITlghWIR/TsLPJUQkjle2MrAg/f RNjQ+yLSbagyQvyV8XAH2368g6oe9M7+pQav+zGqBxUeJVGLN6nZi1iboyzYn/snGB42 paJXo+aUmxxzkwi4s63iLX8zauZtAmgge40WXDGuOdBZ0PNpip22eZAp5i1SxxrJ94GE T9GS3u67qVIb5sn/Cg7Jc1TrmkBqFGcTn1Xj/boVRIKZpVScizJLRlBr5Kv1zIUVAHkT 1Qw1c1Ada9dNFX3DomMSi7AGeHYRw4ReG9NwNqD/+rzP7UElXyFLFoLkRzYro+r/cQFC ON9w== X-Forwarded-Encrypted: i=1; AFNElJ9Qt2p0MsyXBF6UDF370SKti8FwcsVGr1xdXVLmx0REIU+s7oZd/rucQR/JhVn0lxslln2Dz5Kk31Ab@vger.kernel.org X-Gm-Message-State: AOJu0Yw6BP8pKjERSOwDchuKevTlGR5vTd6yI8O6ZehRB8F0TUTAxB7V JVeXea7+SOdqaa4fXLUak8Oz0E1C/nHPnsvfIPiXZmm3YZomRBmyXrpx X-Gm-Gg: Acq92OFQH0+xXOs2irRQifKLGhniMgF7Epxr75+GkDX7R7Tao8wEbmTSUPHl/+17t9s iXJSI5bCn/yyAM3IYhvgNXNJJltpHr2uP9FUbR7Nbyo+A0zCuxK/GqsqHq6I1jpfPp3xo2wYFCZ c5nCF5hY13seilYj8QKi0e/Zzt7Da2sEokqWFwG6PjmoTDEuy8wMGlKtgxaIOSHd0hfHxnBkEVv caniaEqdpQIhby8HM2kBhQ+UlQ0s9k13n7AM3V9yWLhyPd3EEdqpH2FDFiV1HKJO8FzKq1jjwd5 aZNOKyDDRBEWW98nO/Jd2Hmm6djyZD94bkWL9OIdVUcdXIjqgddAiugIqUk9543w3dhhpiP4Juo vHsfGWbR2pe1+/+eiOo81kHym2WESm7xS/JBUhoAMjqmvy0hzDFe/QPYOACaIewk+Z7ektC9HZ0 +iQD5XVGgp7D8YU9QARfT/zQavuG9O5UeSqRYMNIqrUqti549sNfcRWmI= 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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