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| author | Michal Meloun <mmel@FreeBSD.org> | 2017-06-17 14:36:25 +0000 |
|---|---|---|
| committer | Michal Meloun <mmel@FreeBSD.org> | 2017-06-17 14:36:25 +0000 |
| commit | c40a5f8a404a3b740174f29969245321e46bf973 (patch) | |
| tree | e7d6b90e91ac6dcc5b46f992b59a459a05bb15a6 /sys/arm/arm/cpuinfo.c | |
| parent | f3990417c55d7aaa6823db58d8edf00b59b04a56 (diff) | |
| download | src-c40a5f8a404a3b740174f29969245321e46bf973.tar.gz src-c40a5f8a404a3b740174f29969245321e46bf973.zip | |
Manually load tunable CPU quirks.
These are needed too early, far before SYSINIT is processed.
Reported by: zbb
Pointy hat to: mmel
MFC after: 3 weeks
MFC with: r319896
Notes
Notes:
svn path=/head/; revision=320054
Diffstat (limited to 'sys/arm/arm/cpuinfo.c')
| -rw-r--r-- | sys/arm/arm/cpuinfo.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/arm/arm/cpuinfo.c b/sys/arm/arm/cpuinfo.c index 4b4b67ed7d89..5dceab37be00 100644 --- a/sys/arm/arm/cpuinfo.c +++ b/sys/arm/arm/cpuinfo.c @@ -30,6 +30,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> +#include <sys/kernel.h> #include <sys/sysctl.h> #include <machine/cpu.h> @@ -77,6 +78,14 @@ void cpuinfo_init(void) { + /* + * Prematurely fetch CPU quirks. Standard fetch for tunable + * sysctls is handled using SYSINIT, thus too late for boot CPU. + * Keep names in sync with sysctls. + */ + TUNABLE_INT_FETCH("hw.cpu.quirks.actlr_mask", &cpu_quirks_actlr_mask); + TUNABLE_INT_FETCH("hw.cpu.quirks.actlr_set", &cpu_quirks_actlr_set); + cpuinfo.midr = cp15_midr_get(); /* Test old version id schemes first */ if ((cpuinfo.midr & CPU_ID_IMPLEMENTOR_MASK) == CPU_ID_ARM_LTD) { |