From: Gustave Monce <gustave.monce@xxxxxxxxxxx> Windows-based devices have a far different memory map than the standard LA one. Signed-off-by: Gustave Monce <gustave.monce@xxxxxxxxxxx> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx> --- .../dts/qcom/msm8994-msft-lumia-octagon.dtsi | 166 ++++++++++++++++++ 1 file changed, 166 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi index b9e3e7821cbc..ff06b2161b10 100644 --- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi @@ -10,6 +10,19 @@ #include "pm8994.dtsi" #include "pmi8994.dtsi" +/* + * Delete all generic (msm8994.dtsi) reserved + * memory mappings which are different in this device. + */ +/delete-node/ &adsp_mem; +/delete-node/ &audio_mem; +/delete-node/ &cont_splash_mem; +/delete-node/ &mba_mem; +/delete-node/ &mpss_mem; +/delete-node/ &peripheral_region; +/delete-node/ &rmtfs_mem; +/delete-node/ &smem_mem; + / { /* * Most Lumia 950/XL users use GRUB to load their kernels, @@ -28,6 +41,159 @@ chosen { #size-cells = <2>; ranges; }; + + reserved-memory { + /* + * This device being a WP platform has a very different + * memory layout than other Android based devices. + * This memory layout is directly copied from the original + * device UEFI firmware, and adapted based on observations + * using JTAG for the Qualcomm Peripheral Image regions. + */ + + uefi_mem: memory@200000 { + reg = <0 0x200000 0 0x100000>; + no-map; + }; + + mppark_mem: memory@300000 { + reg = <0 0x300000 0 0x80000>; + no-map; + }; + + fbpt_mem: memory@380000 { + reg = <0 0x380000 0 0x1000>; + no-map; + }; + + dbg2_mem: memory@381000 { + reg = <0 0x381000 0 0x4000>; + no-map; + }; + + capsule_mem: memory@385000 { + reg = <0 0x385000 0 0x1000>; + no-map; + }; + + tpmctrl_mem: memory@386000 { + reg = <0 0x386000 0 0x3000>; + no-map; + }; + + uefiinfo_mem: memory@389000 { + reg = <0 0x389000 0 0x1000>; + no-map; + }; + + reset_mem: memory@389000 { + reg = <0 0x389000 0 0x1000>; + no-map; + }; + + resuncached_mem: memory@38e000 { + reg = <0 0x38e000 0 0x72000>; + no-map; + }; + + disp_mem: memory@400000 { + reg = <0 0x400000 0 0x800000>; + no-map; + }; + + uefistack_mem: memory@c00000 { + reg = <0 0xc00000 0 0x40000>; + no-map; + }; + + cpuvect_mem: memory@c40000 { + reg = <0 0xc40000 0 0x10000>; + no-map; + }; + + rescached_mem: memory@400000 { + reg = <0 0xc50000 0 0xb0000>; + no-map; + }; + + tzapps_mem: memory@6500000 { + reg = <0 0x6500000 0 0x500000>; + no-map; + }; + + smem_mem: memory@6a00000 { + reg = <0 0x6a00000 0 0x200000>; + no-map; + }; + + hyp_mem: memory@6c00000 { + reg = <0 0x6c00000 0 0x100000>; + no-map; + }; + + tz_mem: memory@6d00000 { + reg = <0 0x6d00000 0 0x160000>; + no-map; + }; + + rfsa_adsp_mem: memory@6e60000 { + reg = <0 0x6e60000 0 0x10000>; + no-map; + }; + + rfsa_mpss_mem: memory@6e70000 { + compatible = "qcom,rmtfs-mem"; + reg = <0 0x6e70000 0 0x10000>; + no-map; + + qcom,client-id = <1>; + }; + + /* + * Value obtained from the device original ACPI DSDT table + * MPSS_EFS / SBL + */ + mba_mem: memory@6e80000 { + reg = <0 0x6e80000 0 0x180000>; + no-map; + }; + + /* + * Peripheral Image loader region begin! + * The region reserved for pil is 0x7000000-0xef00000 + */ + + mpss_mem: memory@7000000 { + reg = <0 0x7000000 0 0x5a00000>; + no-map; + }; + + adsp_mem: memory@ca00000 { + reg = <0 0xca00000 0 0x1800000>; + no-map; + }; + + venus_mem: memory@e200000 { + reg = <0 0xe200000 0 0x500000>; + no-map; + }; + + pil_metadata_mem: memory@e700000 { + reg = <0 0xe700000 0 0x4000>; + no-map; + }; + + memory@e704000 { + reg = <0 0xe704000 0 0x7fc000>; + no-map; + }; + /* Peripheral Image loader region end */ + + cnss_mem: memory@ef00000 { + reg = <0 0xef00000 0 0x300000>; + no-map; + }; + }; }; &blsp1_i2c1 { -- 2.30.0