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| author | loos <loos@FreeBSD.org> | 2015-05-13 01:48:47 +0000 |
|---|---|---|
| committer | loos <loos@FreeBSD.org> | 2015-05-13 01:48:47 +0000 |
| commit | e5dea16a768045c5ecd051198a22e5f74cdc8b14 (patch) | |
| tree | c12caeabb924901ee76584a3fc0dba6a19fe3775 /sys/arm/broadcom | |
| parent | 249a98951b343bc0f7ab1435547b88fb76fb3dcb (diff) | |
| download | FreeBSD-src-e5dea16a768045c5ecd051198a22e5f74cdc8b14.zip FreeBSD-src-e5dea16a768045c5ecd051198a22e5f74cdc8b14.tar.gz | |
Fix the SMP initialization on RPi 2 (BCM2836).
Invalidate the CPU cache before start the others CPUs.
Submitted by: Michal Meloun <meloun@miracle.cz>
Diffstat (limited to 'sys/arm/broadcom')
| -rw-r--r-- | sys/arm/broadcom/bcm2835/bcm2836_mp.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/arm/broadcom/bcm2835/bcm2836_mp.c b/sys/arm/broadcom/bcm2835/bcm2836_mp.c index 177f41e..717f242 100644 --- a/sys/arm/broadcom/bcm2835/bcm2836_mp.c +++ b/sys/arm/broadcom/bcm2835/bcm2836_mp.c @@ -123,6 +123,8 @@ platform_mp_start_ap(void) BSWR4(MBOX3CLR_CORE(i), 0xffffffff); } wmb(); + cpu_idcache_wbinv_all(); + cpu_l2cache_wbinv_all(); /* boot secondary CPUs */ for (i = 1; i < mp_ncpus; i++) { @@ -152,9 +154,6 @@ platform_mp_start_ap(void) /* recode AP in CPU map */ CPU_SET(i, &all_cpus); } - - cpu_idcache_wbinv_all(); - cpu_l2cache_wbinv_all(); } void |
