diff options
Diffstat (limited to 'target/linux/ipq807x/patches-5.15/0102-arm64-dts-ipq8074-add-reserved-memory-nodes.patch')
-rw-r--r-- | target/linux/ipq807x/patches-5.15/0102-arm64-dts-ipq8074-add-reserved-memory-nodes.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/ipq807x/patches-5.15/0102-arm64-dts-ipq8074-add-reserved-memory-nodes.patch b/target/linux/ipq807x/patches-5.15/0102-arm64-dts-ipq8074-add-reserved-memory-nodes.patch new file mode 100644 index 0000000000..af53c077ff --- /dev/null +++ b/target/linux/ipq807x/patches-5.15/0102-arm64-dts-ipq8074-add-reserved-memory-nodes.patch @@ -0,0 +1,70 @@ +From ad2d07f71739351eeea1d8a120c0918e2c4b265f Mon Sep 17 00:00:00 2001 +From: Robert Marko <robimarko@gmail.com> +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 <robimarko@gmail.com> +--- + 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 { |