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| author |  Stephan Gerhold <stephan@gerhold.net>
| 2023-09-11 19:41:48 +0200 |
|---|---|---|
| committer |  Bjorn Andersson <andersson@kernel.org>
| 2023-09-20 09:27:45 -0700 |
| commit | b22bef3dbc3a67a796f82f49a6df9e413211cb40 (patch) | |
| tree | cbed9e89ed3ccca03b533d22810d3c79a4c2f1b9 | |
| parent | arm64: dts: qcom: msm8916: Reserve MBA memory dynamically (diff) | |
| download | linux-b22bef3dbc3a67a796f82f49a6df9e413211cb40.tar.gz linux-b22bef3dbc3a67a796f82f49a6df9e413211cb40.tar.bz2 linux-b22bef3dbc3a67a796f82f49a6df9e413211cb40.zip | |
arm64: dts: qcom: msm8939: Reserve firmware memory dynamically
Follow the example of MSM8916 and reserve the firmware memory regions
dynamically to allow boards to define only the device-specific parts.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20230911-msm8916-rmem-v1-6-b7089ec3e3a1@gerhold.net
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/msm8939.dtsi | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8939.dtsi b/arch/arm64/boot/dts/qcom/msm8939.dtsi index b0a64e468629..ebea6de1177b 100644 --- a/arch/arm64/boot/dts/qcom/msm8939.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8939.dtsi @@ -346,22 +346,38 @@ }; mpss_mem: mpss@86800000 { + /* + * The memory region for the mpss firmware is generally + * relocatable and could be allocated dynamically. + * However, many firmware versions tend to fail when + * loaded to some special addresses, so it is hard to + * define reliable alloc-ranges. + * + * alignment = <0x0 0x400000>; + * alloc-ranges = <0x0 0x86800000 0x0 0x8000000>; + */ reg = <0x0 0x86800000 0x0 0x5500000>; no-map; }; - wcnss_mem: wcnss@8bd00000 { - reg = <0x0 0x8bd00000 0x0 0x600000>; + wcnss_mem: wcnss { + size = <0x0 0x600000>; + alignment = <0x0 0x100000>; + alloc-ranges = <0x0 0x86800000 0x0 0x8000000>; no-map; }; - venus_mem: venus@8c300000 { - reg = <0x0 0x8c300000 0x0 0x800000>; + venus_mem: venus { + size = <0x0 0x800000>; + alignment = <0x0 0x100000>; + alloc-ranges = <0x0 0x86800000 0x0 0x8000000>; no-map; }; - mba_mem: mba@8cb00000 { - reg = <0x0 0x8cb00000 0x0 0x100000>; + mba_mem: mba { + size = <0x0 0x100000>; + alignment = <0x0 0x100000>; + alloc-ranges = <0x0 0x86800000 0x0 0x8000000>; no-map; }; }; |