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46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From 3dfe7ff875a64b83de21dad6365225f41f3cdb17 Mon Sep 17 00:00:00 2001
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From: Linus Walleij <linus.walleij@linaro.org>
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Date: Fri, 19 Oct 2018 08:22:18 +0200
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Subject: [PATCH 09/18] mtd: partitions: Add RedBoot FIS DT bindings
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This adds device tree bindings for the RedBoot FIS partition
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format.
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Cc: devicetree@vger.kernel.org
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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.../bindings/mtd/partitions/redboot-fis.txt | 27 +++++++++++++++++++
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1 file changed, 27 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/mtd/partitions/redboot-fis.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/mtd/partitions/redboot-fis.txt
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@@ -0,0 +1,27 @@
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+RedBoot FLASH Image System (FIS) Partitions
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+===========================================
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+
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+The FLASH Image System (FIS) directory is a flash description
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+format closely associated with the RedBoot boot loader.
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+
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+It uses one single flash eraseblock in the flash to store an index of
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+all images in the flash.
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+
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+This block size will vary depending on flash but is typically
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+32 KB in size.
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+
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+Required properties:
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+- compatible : (required) must be "redboot-fis"
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+- fis-index-block : (required) a index to the eraseblock containing
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+ the FIS directory on this device. On a flash memory with 32KB
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+ eraseblocks, 0 means the first eraseblock at 0x00000000, 1 means the
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+ second eraseblock at 0x00008000 and so on.
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+
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+Example:
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+
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+flash@0 {
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+ partitions {
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+ compatible = "redboot-fis";
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+ fis-index-block = <0>;
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+ };
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+};
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