diff options
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index acc0d247d3c..6c2d8836f77 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -583,6 +583,20 @@ static void __init check_cpu_pa_features(unsigned long node) ibm_pa_features, ARRAY_SIZE(ibm_pa_features)); } +#ifdef CONFIG_PPC64 +static void __init check_cpu_slb_size(unsigned long node) +{ + u32 *slb_size_ptr; + + slb_size_ptr = of_get_flat_dt_prop(node, "ibm,slb-size", NULL); + if (slb_size_ptr != NULL) { + mmu_slb_size = *slb_size_ptr; + } +} +#else +#define check_cpu_slb_size(node) do { } while(0) +#endif + static struct feature_property { const char *name; u32 min_value; @@ -713,6 +727,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node, check_cpu_feature_properties(node); check_cpu_pa_features(node); + check_cpu_slb_size(node); #ifdef CONFIG_PPC_PSERIES if (nthreads > 1) |