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- From ad2d07f71739351eeea1d8a120c0918e2c4b265f Mon Sep 17 00:00:00 2001
- From: Robert Marko <[email protected]>
- Date: Wed, 22 Dec 2021 12:23:34 +0100
- Subject: [PATCH] arm64: dts: ipq8074: add reserved memory nodes
- IPQ8074 has multiple reserved memory ranges, if they are not defined
- then weird things tend to happen, board hangs and resets when PCI or
- WLAN is used etc.
- So, to avoid all of that add the reserved memory nodes from the downstream
- 5.4 kernel from QCA.
- This is their default layout meant for devices with 1GB of RAM, but
- devices with lower ammounts can override the Q6 node.
- Signed-off-by: Robert Marko <[email protected]>
- ---
- arch/arm64/boot/dts/qcom/ipq8074.dtsi | 35 +++++++++++++++++++++++++++
- 1 file changed, 35 insertions(+)
- --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
- +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
- @@ -85,6 +85,26 @@
- #size-cells = <2>;
- ranges;
-
- + nss@40000000 {
- + no-map;
- + reg = <0x0 0x40000000 0x0 0x01000000>;
- + };
- +
- + tzapp_region: tzapp@4a400000 {
- + no-map;
- + reg = <0x0 0x4a400000 0x0 0x00200000>;
- + };
- +
- + uboot@4a600000 {
- + no-map;
- + reg = <0x0 0x4a600000 0x0 0x00400000>;
- + };
- +
- + sbl@4aa00000 {
- + no-map;
- + reg = <0x0 0x4aa00000 0x0 0x00100000>;
- + };
- +
- smem@4ab00000 {
- compatible = "qcom,smem";
- reg = <0x0 0x4ab00000 0x0 0x00100000>;
- @@ -97,6 +117,21 @@
- no-map;
- reg = <0x0 0x4ac00000 0x0 0x00400000>;
- };
- +
- + q6_region: wcnss@4b000000 {
- + no-map;
- + reg = <0x0 0x4b000000 0x0 0x05f00000>;
- + };
- +
- + q6_etr_region: q6_etr_dump@50f00000 {
- + no-map;
- + reg = <0x0 0x50f00000 0x0 0x00100000>;
- + };
- +
- + m3_dump_region: m3_dump@51000000 {
- + no-map;
- + reg = <0x0 0x51000000 0x0 0x100000>;
- + };
- };
-
- firmware {
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