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ARM: dts: Add Facebook BMC 128MB flash layout 

This is the layout used by Facebook BMC systems. It describes the fixed
flash layout of a 128MB mtd device.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210805222818.8391-2-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Tao Ren 2021-08-05 15:28:13 -07:00 committed by Joel Stanley
parent dbc9776532
commit b74759f753
1 changed files with 60 additions and 0 deletions
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arch/arm/boot/dts/facebook-bmc-flash-layout-128.dtsi Normal file
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// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2020 Facebook Inc.
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/*
* u-boot partition: 896KB.
*/
u-boot@0 {
reg = <0x0 0xe0000>;
label = "u-boot";
};
/*
* u-boot environment variables: 64KB.
*/
u-boot-env@e0000 {
reg = <0xe0000 0x10000>;
label = "env";
};
/*
* image metadata partition (64KB), used by Facebook internal
* tools.
*/
image-meta@f0000 {
reg = <0xf0000 0x10000>;
label = "meta";
};
/*
* FIT image: 119 MB.
*/
fit@100000 {
reg = <0x100000 0x7700000>;
label = "fit";
};
/*
* "data0" partition (8MB) is used by Facebook BMC platforms as
* persistent data store.
*/
data0@7800000 {
reg = <0x7800000 0x800000>;
label = "data0";
};
/*
* Although the master partition can be created by enabling
* MTD_PARTITIONED_MASTER option, below "flash0" partition is
* explicitly created to avoid breaking legacy applications.
*/
flash0@0 {
reg = <0x0 0x8000000>;
label = "flash0";
};
};