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| author | Inochi Amaoto <inochiama@outlook.com> | 2024-04-11 03:45:00 +0300 |
|---|---|---|
| committer | Inochi Amaoto <inochiama@outlook.com> | 2024-04-23 11:38:09 +0300 |
| commit | 1eba0b61be72506549e79dd11a132b5d73aed094 (patch) | |
| tree | 62a13e2a98a2b45b03a20c8d2d9e04bc2532138a /arch/riscv | |
| parent | 886776ca23f2433eb69c0f95e0abadb7dfffd789 (diff) | |
| download | linux-1eba0b61be72506549e79dd11a132b5d73aed094.tar.xz | |
riscv: dts: sophgo: add reserved memory node for CV1800B
The original dts of CV1800B has a weird memory length as it
contains reserved memory for coprocessor. Make this area a
separate node so it can get the real memory length.
Link: https://lore.kernel.org/r/IA1PR20MB49531F274753B04A5547DB59BB052@IA1PR20MB4953.namprd20.prod.outlook.com
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 12 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 5 |
2 files changed, 14 insertions, 3 deletions
diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts index 94e64ddce8fa..cd013588adc0 100644 --- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -23,9 +23,15 @@ stdout-path = "serial0:115200n8"; }; - memory@80000000 { - device_type = "memory"; - reg = <0x80000000 0x3f40000>; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + coprocessor_rtos: region@83f40000 { + reg = <0x83f40000 0xc0000>; + no-map; + }; }; }; diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi index baf641829e72..ec9530972ae2 100644 --- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi @@ -7,6 +7,11 @@ / { compatible = "sophgo,cv1800b"; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x4000000>; + }; }; &plic { |