| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From 8bd582ae9a71d7f14c4e0c735b2eacaf7516d626 Mon Sep 17 00:00:00 2001 |
| 2 | From: William Zhang <william.zhang@broadcom.com> |
| 3 | Date: Fri, 8 Jul 2022 11:25:07 -0700 |
| 4 | Subject: [PATCH] arm64: dts: broadcom: bcm4908: Fix cpu node for smp boot |
| 5 | |
| 6 | Add spin-table enable-method and cpu-release-addr properties for |
| 7 | cpu0 node. This is required by all ARMv8 SoC. Otherwise some |
| 8 | bootloader like u-boot can not update cpu-release-addr and linux |
| 9 | fails to start up secondary cpus. |
| 10 | |
| 11 | Fixes: 2961f69f151c ("arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files") |
| 12 | Signed-off-by: William Zhang <william.zhang@broadcom.com> |
| 13 | Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> |
| 14 | --- |
| 15 | arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 2 ++ |
| 16 | 1 file changed, 2 insertions(+) |
| 17 | |
| 18 | --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi |
| 19 | +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi |
| 20 | @@ -29,6 +29,8 @@ |
| 21 | device_type = "cpu"; |
| 22 | compatible = "brcm,brahma-b53"; |
| 23 | reg = <0x0>; |
| 24 | + enable-method = "spin-table"; |
| 25 | + cpu-release-addr = <0x0 0xfff8>; |
| 26 | next-level-cache = <&l2>; |
| 27 | }; |
| 28 | |