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Subject[PATCH 06/18] arm64: dts: qcom: msm8994-octagon: Fix up the memory map
Date
From: Gustave Monce <gustave.monce@outlook.com>

Windows-based devices have a far different memory map than
the standard LA one.

Signed-off-by: Gustave Monce <gustave.monce@outlook.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
---
.../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
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