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dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=TybdMyS+; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=eiIRDV+n From: Gregor Herburger DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1794315627; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=zgFy5CRU+XIEddtxlRjTVtKMgKJt4RlY9Vj0+4wHiFw=; b=TybdMyS+dGCtkhFrs2Zd47nnOifCjECWnjdfDq0JHrwrC1a81Y4OMzcQcz+wbFpKKK0Rts delxSHrLjYCowMCO0QJ9uFoMxB4Nj44TtEyhmIZwLEKejSkgUxfNXqC61W3295Cx5pslVk 71MKlH6Wv1k6znQVEPeYqpNK9IIMTK39ZgQITGZiY2+4Db5BEBBUFxP5+w2Q+h5uYCsEBJ IAh7/5cC6C0RPQiSTn1asc2lIWI4YnKopX7A//I+HkWIAAyvyzRGKQRQb99NX0D3bzMeig 2GAWkMlX+ZH3FfUfxC4e0ehk6o9E85rEtaNPs0MXEpt37trrVx1RbzzFe/bA1g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1794315627; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=zgFy5CRU+XIEddtxlRjTVtKMgKJt4RlY9Vj0+4wHiFw=; b=eiIRDV+noTXYxAKPCBb5NG0tGgSUMz5FcdAPiLRfQ/J2+jUE+mnuJ7cEgqrzlJ2JOpNieO gWvqQPcgFp03YuDQ== Subject: [PATCH v6 0/5] firmware: raspberrypi: Add support for the tryboot mode Date: Tue, 10 Nov 2026 14:00:10 +0100 Message-Id: <20261110-rpi-tryboot-v6-0-56f680ef4734@linutronix.de> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAFsV82oC/23NQW7DIBCF4atErEs1DBhMVr1H1YUNQ0NV2REmV qLIdy+4alNXXj5pvn/ubKIUaWLHw50lmuMUx6EM/XRg7tQN78SjL5shoAaNkqdz5Dnd+nHMXKF FZ7EHg4YVcU4U4nWtvb597+nSf5DLNVEvTnHKY7qt72ZR737KelOeBQeuLPTCKaesgZfPOFxyG od4ffbEan3GP17C1mPxQbcevdNdh2bPy4c3YLZeVu+7FgMZ8kbvefXwFtTWq9UTtb1rZAi7/5t fLwBw65viNVrlhBTUtPK/X5blC78SsVC8AQAA X-Change-ID: 20260623-rpi-tryboot-4292c92b0727 To: Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Eric Anholt , Stefan Wahren Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Gregor Herburger , Krzysztof Kozlowski X-Developer-Signature: v=1; a=ed25519-sha256; t=1794315627; l=2394; i=gregor.herburger@linutronix.de; s=20260226; h=from:subject:message-id; bh=+wl3d1TUuvEjVn7H52ib0UWFJ+5y1XGeyNy6URPLGGU=; b=mvz2dPsl54Dm9gIsFUMbKM/p47nd//BlAN/wQbmKYxuHpzsj3g0qWh8GY30eeLdoxL6mzZJ0z TSoV0vkTQffAl54NeMBezslJRBdakAfR2oqdq6C2+uAFQHEztNqFu1Z X-Developer-Key: i=gregor.herburger@linutronix.de; a=ed25519; pk=u72Lv7+/lS5CC1hmSrb17lv/6CK7HBh4Lvz77PHA5LM= This adds support for the tryboot mode on Raspberry Pis. As there is no documentation other than the downstream implementation [0] the implementation is based on this. Tested on Raspberry Pi 4 and Raspberry Pi 5. [0] https://github.com/raspberrypi/linux/commit/eb56da0c1925c07e8929ce4c9fe8aeafa7cb8c7b --- Changes in v6: - Rebase onto v7.4-rc2 - Link to v5: https://patch.msgid.link/20261002-rpi-tryboot-v5-0-6294c131e583@linutronix.de Changes in v5: - Added patch to add reboot mode to Raspberry Pi 1-4 devicetrees. - Rebase onto v7.3-rc5 - Link to v4: https://patch.msgid.link/20260904-rpi-tryboot-v4-0-fdee8bc53ff7@linutronix.de Changes in v4: - fix use-after-free error by moving devm_add_action_or_reset before devm_add_action_or_reset - Rebase onto v7.3-rc1 - Link to v3: https://patch.msgid.link/20260707-rpi-tryboot-v3-0-fda82fe7ed76@linutronix.de Changes in v3: - fix use-after-free error by using devm_add_action_or_reset - ensure endianness of magic byte - refactor reboot mode registration into separate function - Link to v2: https://patch.msgid.link/20260630-rpi-tryboot-v2-0-f68d2dc6aa27@linutronix.de Changes in v2: - Remove unnecessary reboot_mode_unregister(). - dt-binding: restrict to mode-{normal,tryboot} and only allow 32bit value. - Link to v1: https://patch.msgid.link/20260626-rpi-tryboot-v1-0-490b1c4c4970@linutronix.de --- Gregor Herburger (5): firmware: raspberrypi: reorder rpi_firmware_property_tag enum dt-bindings: raspberrypi,bcm2835-firmware: Include 'reboot-mode.yaml' firmware: raspberrypi: Add reboot mode support arm64: dts: broadcom: bcm2712: Add reboot modes to firmware node arm: dts: broadcom: bcm2835: Add reboot modes to firmware node .../arm/bcm/raspberrypi,bcm2835-firmware.yaml | 9 +++++ arch/arm/boot/dts/broadcom/bcm2835-rpi.dtsi | 2 ++ .../boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi | 2 ++ drivers/firmware/Kconfig | 2 ++ drivers/firmware/raspberrypi.c | 40 +++++++++++++++++++--- include/soc/bcm2835/raspberrypi-firmware.h | 22 ++++++------ 6 files changed, 62 insertions(+), 15 deletions(-) --- base-commit: b3dfbde62cf1981c4638939c159dfd087b7a72e9 change-id: 20260623-rpi-tryboot-4292c92b0727 Best regards, -- Gregor Herburger