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Sat, 13 Sep 2025 14:21:41 -0700 (PDT) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Sat, 13 Sep 2025 23:21:10 +0200 Subject: [PATCH RESEND 8/9] arm64: dts: marvell: samsung,coreprimevelte: Fill in memory node Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250913-pxa1908-dts-v1-8-8120cdc969b8@dujemihanovic.xyz> References: <20250913-pxa1908-dts-v1-0-8120cdc969b8@dujemihanovic.xyz> In-Reply-To: <20250913-pxa1908-dts-v1-0-8120cdc969b8@dujemihanovic.xyz> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kees Cook , Tony Luck , "Guilherme G. Piccoli" Cc: Karel Balej , David Wronek , phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, =?utf-8?q?Duje_Mihanovi=C4=87?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1297; i=duje@dujemihanovic.xyz; s=20240706; h=from:subject:message-id; bh=nM2aOAL4Rd5X1oThp5ECWAxcNFIMgGN60dxwZOl4zsk=; b=owGbwMvMwCW21nBykGv/WmbG02pJDBlHH/jHnzbvid+8/4WqqeD2tsaqOVVzrW4dMC58tePCo R7OvtSNHaUsDGJcDLJiiiy5/x2v8X4W2bo9e5kBzBxWJpAhDFycAjARFgZGhusB+x2XswWu8b3z 53X0TMVnDvZdygG+SlOKT/IdFw/uiGBkmLWy9mLEXqMDpzo+7rnl8nit1aT0YN05gZ/uzJ9mF2/ LwgwA X-Developer-Key: i=duje@dujemihanovic.xyz; a=openpgp; fpr=6DFF41D60DF314B5B76BA630AD319352458FAD03 From: Duje Mihanovi=C4=87 The board is known to have 1 GiB of DRAM with the first 16 MiB unusable. Instead of relying on the bootloader to fill in the memory node, do it ourselves. Signed-off-by: Duje Mihanovi=C4=87 --- .../boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 13 +++++++++= ++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte= .dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts index 13a726d86e65ad836166325e0958a6ec3e6d022e..b3741389e2ae056714ff4235b97= 2bc72b5560455 100644 --- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts +++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts @@ -30,13 +30,22 @@ fb0: framebuffer@17177000 { }; }; =20 - /* Bootloader fills this in */ memory@0 { device_type =3D "memory"; - reg =3D <0 0 0 0>; + reg =3D <0 0 0 0x40000000>; }; =20 reserved-memory { + /* + * Reserved by the vendor bootloader as a "secure region". + * + * TODO: See if the responsible stage of the bootloader can be + * replaced + */ + secure-region@0 { + reg =3D <0 0 0 0x1000000>; + }; + framebuffer@17000000 { reg =3D <0 0x17000000 0 0x1800000>; no-map; --=20 2.51.0