From 20a0d435d80a98ecf5405c0c0bc9a56bcd04add1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Wed, 20 Jan 2021 07:39:25 +0100 Subject: bcm4908: add pending mtd patches for BCM4908 partitioning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BCM4908 can have multiple firmware partitions. MTD needs to detect which one is currently used. Signed-off-by: Rafał Miłecki --- ...s-mtd-add-binding-from-BCM4908-partitions.patch | 89 ++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 target/linux/bcm4908/patches-5.4/140-0002-dt-bindings-mtd-add-binding-from-BCM4908-partitions.patch (limited to 'target/linux/bcm4908/patches-5.4/140-0002-dt-bindings-mtd-add-binding-from-BCM4908-partitions.patch') diff --git a/target/linux/bcm4908/patches-5.4/140-0002-dt-bindings-mtd-add-binding-from-BCM4908-partitions.patch b/target/linux/bcm4908/patches-5.4/140-0002-dt-bindings-mtd-add-binding-from-BCM4908-partitions.patch new file mode 100644 index 0000000000..4967e6c1e3 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/140-0002-dt-bindings-mtd-add-binding-from-BCM4908-partitions.patch @@ -0,0 +1,89 @@ +From 4f740351484e88bcea3776578288b6ec400829c8 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Fri, 15 Jan 2021 16:01:04 +0100 +Subject: [PATCH 2/3] dt-bindings: mtd: add binding from BCM4908 partitions +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BCM4908 uses fixed partitions layout but function of some partitions may +vary. Some devices use multiple firmware partitions and those should be +marked to let system discover their purpose. + +Signed-off-by: Rafał Miłecki +--- + .../partitions/brcm,bcm4908-partitions.yaml | 68 +++++++++++++++++++ + 1 file changed, 68 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mtd/partitions/brcm,bcm4908-partitions.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/mtd/partitions/brcm,bcm4908-partitions.yaml +@@ -0,0 +1,68 @@ ++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/mtd/partitions/brcm,bcm4908-partitions.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: Broadcom BCM4908 partitioning ++ ++description: | ++ Broadcom BCM4908 CFE bootloader supports two firmware partitions. One is used ++ for regular booting, the other is treated as fallback. ++ ++ This binding allows defining all fixed partitions and marking those containing ++ firmware. System can use that information e.g. for booting or flashing ++ purposes. ++ ++maintainers: ++ - Rafał Miłecki ++ ++properties: ++ compatible: ++ const: brcm,bcm4908-partitions ++ ++ "#address-cells": true ++ ++ "#size-cells": true ++ ++patternProperties: ++ "@[0-9a-f]+$": ++ allOf: ++ - $ref: "partition.yaml#" ++ - properties: ++ compatible: ++ const: brcm,bcm4908-firmware ++ ++required: ++ - "#address-cells" ++ - "#size-cells" ++ ++additionalProperties: false ++ ++examples: ++ - | ++ partitions { ++ compatible = "brcm,bcm4908-partitions"; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ partition@0 { ++ label = "cferom"; ++ reg = <0x0 0x100000>; ++ }; ++ ++ partition@100000 { ++ compatible = "brcm,bcm4908-firmware"; ++ reg = <0x100000 0xf00000>; ++ }; ++ ++ partition@1000000 { ++ compatible = "brcm,bcm4908-firmware"; ++ reg = <0x1000000 0xf00000>; ++ }; ++ ++ partition@1f00000 { ++ label = "calibration"; ++ reg = <0x1f00000 0x100000>; ++ }; ++ }; -- cgit v1.2.3