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| author | Ansuel Smith <ansuelsmth@gmail.com> | 2021-03-01 01:21:08 +0100 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2021-05-07 07:05:16 +0200 |
| commit | 62cc66fa6737de50d6aa57042f9508fccd476ed7 (patch) | |
| tree | 69d511106c1db9d0b7449b1db0ddf5835a592c5c /target/linux/ipq806x/patches-5.10/099-2-Documentation-devicetree-mtd-qcom_nandc-document-qco.patch | |
| parent | fdb739bef6868289f5f3c847abad0ce875a864bd (diff) | |
| download | upstream-62cc66fa6737de50d6aa57042f9508fccd476ed7.tar.gz upstream-62cc66fa6737de50d6aa57042f9508fccd476ed7.tar.bz2 upstream-62cc66fa6737de50d6aa57042f9508fccd476ed7.zip | |
ipq806x: introduce nandc boot layout mode
ipq806x have different ecc configuration for boot partition and rootfs partition. Add support for this to fix IO error on mtd block scan.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Diffstat (limited to 'target/linux/ipq806x/patches-5.10/099-2-Documentation-devicetree-mtd-qcom_nandc-document-qco.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-5.10/099-2-Documentation-devicetree-mtd-qcom_nandc-document-qco.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-5.10/099-2-Documentation-devicetree-mtd-qcom_nandc-document-qco.patch b/target/linux/ipq806x/patches-5.10/099-2-Documentation-devicetree-mtd-qcom_nandc-document-qco.patch new file mode 100644 index 0000000000..2bef1daefb --- /dev/null +++ b/target/linux/ipq806x/patches-5.10/099-2-Documentation-devicetree-mtd-qcom_nandc-document-qco.patch @@ -0,0 +1,47 @@ +From 6fb003a7a117f97a35b078ba726c84adeae29c4c Mon Sep 17 00:00:00 2001 +From: Ansuel Smith <ansuelsmth@gmail.com> +Date: Wed, 10 Feb 2021 10:54:19 +0100 +Subject: [PATCH 2/2] Documentation: devicetree: mtd: qcom_nandc: document + qcom,boot_layout_size binding + +Document new qcom,boot_layout_size binding used to apply special +read/write confituation to boots partitions. + +Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> +--- + Documentation/devicetree/bindings/mtd/qcom_nandc.txt | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt +index 5647913d8837..3cf1dd5ebad2 100644 +--- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt ++++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt +@@ -56,6 +56,15 @@ Optional properties: + be used according to chip requirement and available + OOB size. + ++EBI2 specific properties: ++- nand-is-boot-medium: nand contains boot partitions and different ecc configuration ++ should be used for these partitions. ++- qcom,boot_pages_size: should contain the size of the total boot partitions ++ where the boot layout read/write specific configuration ++ should be used. The boot layout is considered from the ++ start of the nand to the value set in this binding. ++ Only used in combination with 'nand-is-boot-medium'. ++ + Each nandcs device node may optionally contain a 'partitions' sub-node, which + further contains sub-nodes describing the flash partition mapping. See + partition.txt for more detail. +@@ -84,6 +93,9 @@ nand-controller@1ac00000 { + nand-ecc-strength = <4>; + nand-bus-width = <8>; + ++ nand-is-boot-medium; ++ qcom,boot_pages_size: <0x58a0000>; ++ + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; +-- +2.29.2 + |