From patchwork Mon Oct 9 20:09:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 731603 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46A3C210B for ; Mon, 9 Oct 2023 20:10:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="JH1Fn6ny" Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10217CA for ; Mon, 9 Oct 2023 13:10:15 -0700 (PDT) Received: by mail-io1-xd2d.google.com with SMTP id ca18e2360f4ac-7a2bfd584f0so228362439f.0 for ; Mon, 09 Oct 2023 13:10:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1696882214; x=1697487014; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=lAmVpfxtEjWeqhBym/9INAYp/SD9oxrd9k5tq3qUHeQ=; b=JH1Fn6ny5INYVBlReSKe9b7xcV7o1yCCSfFFVlBJIbKU3p/IOA3VQhk+MQW7Ay2pRc My8Clpli5yhbm8Rx30skIrkGxhfFRHDd7L6YUvBuUjetsX1EFsOATRdi8qAkiu2l1toR 1rk4jm8ds3djQlEBPRMtpQPNJ0dpK6cC6Z2sQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696882214; x=1697487014; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=lAmVpfxtEjWeqhBym/9INAYp/SD9oxrd9k5tq3qUHeQ=; b=Gj6Jfm1Y/mn/erGbcJUG7oNHzCsHLTyFSRSq9fjkXtSsVhgjYlOR78SGgr8CRinhf3 9DPfUZ16OR95t2GxeQ4W5LDwiRWdytAb7Fq7jUMrUtLoBmTSnZl4JKEmbvffiQMJ5H18 qRiQWlRJgxukWCf9ZUjOX0NiV1RbcSoywvYEqJFqHj05WHBjm5JLd9sBfhpXYA8zn575 kHk+TnNm5G27w+n2coTt9kETmcLzRug0NTPMR90585K+p+B+5STuDQ+B4rYtYP4AYyRh BlL5EzgHe79K6r73pC86FAMx/JIU5x8yX9OyoT6oxAawG4PeQ4gyveloCblrNpmrWdXf gpuA== X-Gm-Message-State: AOJu0YzntpA3Sc459I9YpnS1rGYO8frNDJTBImMLHkXNarde4a2B2B07 pSL7crP1u5IsN6q0e+hBulh/I53pepI5Z5KIUQ4= X-Google-Smtp-Source: AGHT+IEc78qKmsK3z3pBpfOOUCuOy8RtzjBD6hP1npQ7FM26pD8BJKzMdWruP1pUj+ATY1tOV0y9WQ== X-Received: by 2002:a6b:f209:0:b0:79f:9574:b93c with SMTP id q9-20020a6bf209000000b0079f9574b93cmr16364103ioh.0.1696882214221; Mon, 09 Oct 2023 13:10:14 -0700 (PDT) Received: from kea.bld.corp.google.com ([2620:15c:183:200:138c:cf57:c18d:20f5]) by smtp.gmail.com with ESMTPSA id q21-20020a02a315000000b0042b2df337ccsm2215294jai.76.2023.10.09.13.10.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 13:10:13 -0700 (PDT) From: Simon Glass To: devicetree@vger.kernel.org Cc: U-Boot Mailing List , linux-mtd@lists.infradead.org, Michael Walle , Tom Rini , Rob Herring , Miquel Raynal , Simon Glass , Conor Dooley , Dhruva Gole , Krzysztof Kozlowski , =?utf-8?b?UmFmYcWC?= =?utf-8?b?IE1pxYJlY2tp?= , Richard Weinberger , Rob Herring , Vignesh Raghavendra , linux-kernel@vger.kernel.org Subject: [PATCH v3 1/3] dt-bindings: mtd: fixed-partitions: Add binman compatible Date: Mon, 9 Oct 2023 14:09:59 -0600 Message-ID: <20231009201005.1964794-1-sjg@chromium.org> X-Mailer: git-send-email 2.42.0.609.gbb76f46606-goog Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Add a compatible string for binman, so we can extend fixed-partitions in various ways. Signed-off-by: Simon Glass --- Changes in v3: - Drop fixed-partition additional compatible string - Drop fixed-partitions from the example - Mention use of compatible instead of label Changes in v2: - Drop mention of 'enhanced features' in fixed-partitions.yaml - Mention Binman input and output properties - Use plain partition@xxx for the node name .../bindings/mtd/partitions/binman.yaml | 63 +++++++++++++++++++ .../bindings/mtd/partitions/partitions.yaml | 1 + MAINTAINERS | 5 ++ 3 files changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/partitions/binman.yaml diff --git a/Documentation/devicetree/bindings/mtd/partitions/binman.yaml b/Documentation/devicetree/bindings/mtd/partitions/binman.yaml new file mode 100644 index 000000000000..7d6c8bd738f5 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/partitions/binman.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Google LLC + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/partitions/binman.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binman firmware layout + +maintainers: + - Simon Glass + +select: false + +description: | + The binman node provides a layout for firmware, used when packaging firmware + from multiple projects. It is based on fixed-partitions, with some + extensions, but uses 'compatible' to indicate the contents of the node, to + avoid perturbing or confusing existing installations which use 'label' for a + particular purpose. + + Binman supports properties used as inputs to the firmware-packaging process, + such as those which control alignment of partitions. This binding addresses + these 'input' properties. For example, it is common for the 'reg' property + (an 'output' property) to be set by Binman, based on the alignment requested + in the input. + + Once processing is complete, input properties have mostly served their + purpose, at least until the firmware is repacked later, e.g. due to a + firmware update. The 'fixed-partitions' binding should provide enough + information to read the firmware at runtime, including decompression if + needed. + + Documentation for Binman is available at: + + https://u-boot.readthedocs.io/en/latest/develop/package/binman.html + + with the current image-description format at: + + https://u-boot.readthedocs.io/en/latest/develop/package/binman.html#image-description-format + +allOf: + - $ref: /schemas/mtd/partitions/fixed-partitions.yaml# + +properties: + compatible: + const: binman + +additionalProperties: false + +examples: + - | + partitions { + compatible = "binman"; + #address-cells = <1>; + #size-cells = <1>; + + partition@100000 { + label = "u-boot"; + reg = <0x100000 0xf00000>; + }; + }; diff --git a/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml index 1dda2c80747b..849fd15d085c 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml @@ -15,6 +15,7 @@ maintainers: oneOf: - $ref: arm,arm-firmware-suite.yaml + - $ref: binman.yaml - $ref: brcm,bcm4908-partitions.yaml - $ref: brcm,bcm947xx-cfe-partitions.yaml - $ref: fixed-partitions.yaml diff --git a/MAINTAINERS b/MAINTAINERS index c934244acc31..ebc8158fe67d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3536,6 +3536,11 @@ F: Documentation/filesystems/bfs.rst F: fs/bfs/ F: include/uapi/linux/bfs_fs.h +BINMAN +M: Simon Glass +S: Supported +F: Documentation/devicetree/bindings/mtd/partitions/binman* + BITMAP API M: Yury Norov R: Andy Shevchenko From patchwork Mon Oct 9 20:10:00 2023 Content-Type: text/plain; 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Mon, 09 Oct 2023 13:10:15 -0700 (PDT) Received: from kea.bld.corp.google.com ([2620:15c:183:200:138c:cf57:c18d:20f5]) by smtp.gmail.com with ESMTPSA id q21-20020a02a315000000b0042b2df337ccsm2215294jai.76.2023.10.09.13.10.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 13:10:15 -0700 (PDT) From: Simon Glass To: devicetree@vger.kernel.org Cc: U-Boot Mailing List , linux-mtd@lists.infradead.org, Michael Walle , Tom Rini , Rob Herring , Miquel Raynal , Simon Glass , Conor Dooley , Krzysztof Kozlowski , Richard Weinberger , Rob Herring , Vignesh Raghavendra , linux-kernel@vger.kernel.org Subject: [PATCH v3 2/3] dt-bindings: mtd: binman-partition: Add binman compatibles Date: Mon, 9 Oct 2023 14:10:00 -0600 Message-ID: <20231009201005.1964794-2-sjg@chromium.org> X-Mailer: git-send-email 2.42.0.609.gbb76f46606-goog In-Reply-To: <20231009201005.1964794-1-sjg@chromium.org> References: <20231009201005.1964794-1-sjg@chromium.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Add two compatible for binman entries, as a starting point for the schema. Note that, after discussion on v2, we decided to keep the existing meaning of label so as not to require changes to existing userspace software when moving to use binman nodes to specify the firmware layout. Signed-off-by: Simon Glass --- Changes in v3: - Drop fixed-partitions from the example - Use compatible instead of label Changes in v2: - Use plain partition@xxx for the node name .../mtd/partitions/binman-partition.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml diff --git a/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml b/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml new file mode 100644 index 000000000000..754f804524a5 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Google LLC + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/partitions/binman-partition.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binman partition + +maintainers: + - Simon Glass + +select: false + +description: | + This corresponds to a binman 'entry'. It is a single partition which holds + data of a defined type. + +allOf: + - $ref: /schemas/mtd/partitions/partition.yaml# + +properties: + compatible: + items: + enum: + - u-boot # u-boot.bin from U-Boot projec6t + - atf-bl31 # bl31.bin or bl31.elf from TF-A project + +additionalProperties: false + +examples: + - | + partitions { + compatible = "binman"; + #address-cells = <1>; + #size-cells = <1>; + + partition@100000 { + compatible = "u-boot"; + reg = <0x100000 0xf00000>; + }; + + partition@200000 { + compatible = "atf-bl31"; + reg = <0x200000 0x100000>; + }; + }; From patchwork Mon Oct 9 20:10:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 731602 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DFD7A210B for ; Mon, 9 Oct 2023 20:10:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="YQw0p4m/" Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D0ECB0 for ; Mon, 9 Oct 2023 13:10:17 -0700 (PDT) Received: by mail-io1-xd33.google.com with SMTP id ca18e2360f4ac-79f915e5b47so206083439f.2 for ; Mon, 09 Oct 2023 13:10:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1696882216; x=1697487016; 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=qDwYllgCxpOVaDPdnj1bCUl1esI4hxS9Uu4gTGnxNxA=; b=YQw0p4m/ETeVFreg/NrLrJKpjnhYlAdPAekPGKVkS0iPtlGBQUmmmT/+HD8ol8HDVY zehNXaWEKgFNx/waGK2nUGFX3tve6ENKRWfGMhG+sXhCeiQaaDgdr5jUxEjUYqbATD0c RbDkszf+H2d2Y5WqWKvBWmhIDyHQ+Xa+dpU2w= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696882216; x=1697487016; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=qDwYllgCxpOVaDPdnj1bCUl1esI4hxS9Uu4gTGnxNxA=; b=J9I5E/7o7xhudD4UC+tq9FUsgvWyt6xZxz/3BflPnEW65fB4iQlyvr62YMcX/N9ZEq 7dYoPtwY9pSR9w6E9QHWyBkethZNOES7jfdzGE027appZzu72+kp8IgCyTyWufVu+2l2 /S1+TR7Ek15qjgRHB6ZSrcHUFI3yQ0CENLdI1gJ3+Ejp3XZUb1Yyya5VHF5jg65Jl94a cK0hVnJlRrJ0bIMhTnvQe8LDfMwxlSdZyG+0c8aCaJWQgdN0as8Kn2zsT9eVFTe1cExw Y0WIqHYs61g6t8uWuZvFdVUQpFjodNCnXN3HYFtJKWruk+ZVPNhSnAM43IFMqroyKFAV 0VOg== X-Gm-Message-State: AOJu0YwhS6QD76hjXa+CMh4Cq8rxu4+eHVOYqGrHmo/6FkswFAwI5wAb q/TmZDJC8n4TGs34CkdDqZrAA5XUZqFV9fyPmUA= X-Google-Smtp-Source: AGHT+IHjoREuIigG/5nvr4t3n4+H6A6edPXnoWQ1VFc16alunnV8mOAw+XYEKhJX2GRZPWJattFpfw== X-Received: by 2002:a6b:651a:0:b0:780:ce72:ac55 with SMTP id z26-20020a6b651a000000b00780ce72ac55mr20002656iob.10.1696882216398; Mon, 09 Oct 2023 13:10:16 -0700 (PDT) Received: from kea.bld.corp.google.com ([2620:15c:183:200:138c:cf57:c18d:20f5]) by smtp.gmail.com with ESMTPSA id q21-20020a02a315000000b0042b2df337ccsm2215294jai.76.2023.10.09.13.10.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 13:10:16 -0700 (PDT) From: Simon Glass To: devicetree@vger.kernel.org Cc: U-Boot Mailing List , linux-mtd@lists.infradead.org, Michael Walle , Tom Rini , Rob Herring , Miquel Raynal , Simon Glass , Conor Dooley , Krzysztof Kozlowski , Richard Weinberger , Rob Herring , Vignesh Raghavendra , linux-kernel@vger.kernel.org Subject: [PATCH v3 3/3] dt-bindings: mtd: binman-partitions: Add alignment properties Date: Mon, 9 Oct 2023 14:10:01 -0600 Message-ID: <20231009201005.1964794-3-sjg@chromium.org> X-Mailer: git-send-email 2.42.0.609.gbb76f46606-goog In-Reply-To: <20231009201005.1964794-1-sjg@chromium.org> References: <20231009201005.1964794-1-sjg@chromium.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Add three properties for controlling alignment of partitions, aka 'entries' in binman. For now there is no explicit mention of hierarchy, so a 'section' is just the 'binman' node. These new properties are inputs to the packaging process, but are also needed if the firmware is repacked, to ensure that alignment constraints are not violated. Therefore they are provided as part of the schema. Signed-off-by: Simon Glass --- (no changes since v2) Changes in v2: - Fix 'a' typo in commit message .../mtd/partitions/binman-partition.yaml | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml b/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml index 754f804524a5..350014a93da4 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml @@ -27,6 +27,42 @@ properties: - u-boot # u-boot.bin from U-Boot projec6t - atf-bl31 # bl31.bin or bl31.elf from TF-A project + align: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This sets the alignment of the entry. The entry offset is adjusted + so that the entry starts on an aligned boundary within the containing + section or image. For example ‘align = <16>’ means that the entry will + start on a 16-byte boundary. This may mean that padding is added before + the entry. The padding is part of the containing section but is not + included in the entry, meaning that an empty space may be created before + the entry starts. Alignment should be a power of 2. If ‘align’ is not + provided, no alignment is performed. + + align-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This sets the alignment of the entry size. For example, to ensure + that the size of an entry is a multiple of 64 bytes, set this to 64. + While this does not affect the contents of the entry within binman + itself (the padding is performed only when its parent section is + assembled), the end result is that the entry ends with the padding + bytes, so may grow. If ‘align-size’ is not provided, no alignment is + performed. + + align-end: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This sets the alignment of the end of an entry with respect to the + containing section. Some entries require that they end on an alignment + boundary, regardless of where they start. This does not move the start + of the entry, so the contents of the entry will still start at the + beginning. But there may be padding at the end. While this does not + affect the contents of the entry within binman itself (the padding is + performed only when its parent section is assembled), the end result is + that the entry ends with the padding bytes, so may grow. If ‘align-end’ + is not provided, no alignment is performed. + additionalProperties: false examples: @@ -39,10 +75,13 @@ examples: partition@100000 { compatible = "u-boot"; reg = <0x100000 0xf00000>; + align-size = <0x1000>; + align-end = <0x10000>; }; partition@200000 { compatible = "atf-bl31"; reg = <0x200000 0x100000>; + align = <0x4000>; }; };