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realtek: activate MIPS power cluster controller for RTL931x

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The SMP environment is prepared well for the RTL93X. Now describe the
power cluster controller in the DTS. Tested on RTL9311 based Linksys
LGS352C.

Without patch:

root@OpenWrt:~# dmesg | grep CPU
[    0.140425] CPU1 revision is: 0001a120 (MIPS interAptiv (multi))
[    0.191952] Synchronize counters for CPU 1: done.
[    1.232191] CPU2: failed to start
[    1.237863] No online CPU in core 1 to start CPU3
[    2.273784] CPU3: failed to start
[    2.277589] smp: Brought up 1 node, 2 CPUs

root@OpenWrt:~# cat /proc/cpuinfo  | grep -E "model|proc"
processor               : 0
cpu model               : MIPS interAptiv (multi) V2.0
processor               : 1
cpu model               : MIPS interAptiv (multi) V2.0

With patch:

root@OpenWrt:~# dmesg | grep CPU
[    0.000000] CPU0 revision is: 0001a120 (MIPS interAptiv (multi))
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] Failed to get CPU clock: -2
[    0.000000] CPU frequency from device tree: 1000MHz
[    0.133360] smp: Bringing up secondary CPUs ...
[    0.140418] CPU1 revision is: 0001a120 (MIPS interAptiv (multi))
[    0.191950] Synchronize counters for CPU 1: done.
[    0.230103] CPU2 revision is: 0001a120 (MIPS interAptiv (multi))
[    0.289220] Synchronize counters for CPU 2: done.
[    0.326189] CPU3 revision is: 0001a120 (MIPS interAptiv (multi))
[    0.378861] Synchronize counters for CPU 3: done.
[    0.413829] smp: Brought up 1 node, 4 CPUs

processor               : 0
cpu model               : MIPS interAptiv (multi) V2.0
processor               : 1
cpu model               : MIPS interAptiv (multi) V2.0
processor               : 2
cpu model               : MIPS interAptiv (multi) V2.0
processor               : 3
cpu model               : MIPS interAptiv (multi) V2.0

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/19110
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Markus Stockhausen 2025-06-12 09:20:12 -04:00 committed by Hauke Mehrtens
parent a51359aafd
commit 23faf4c485
1 changed files with 5 additions and 0 deletions
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5
target/linux/realtek/dts/rtl931x.dtsi
View file

@ -45,6 +45,11 @@
clock-frequency = <200000000>;
};
cpc: cpc@1bde0000 {
compatible = "mti,mips-cpc";
reg = <0x1bde0000 0x8000>;
};
cpuclock: cpuclock@0 {
#clock-cells = <0>;
compatible = "fixed-clock";