MIPS: cacheinfo: Add missing VCache

Victim Cache is defined by Loongson as per-core unified
private Cache.
Add this into cacheinfo and make cache levels selfincrement
instead of hardcode levels.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/kernel/cacheinfo.c b/arch/mips/kernel/cacheinfo.c
index 47312c5..5f9d0eb 100644 (file)
--- a/arch/mips/kernel/cacheinfo.c
+++ b/arch/mips/kernel/cacheinfo.c
@@ -35,6 +35,11 @@ static int __init_cache_level(unsigned int cpu)
 
        leaves += (c->icache.waysize) ? 2 : 1;
 
+       if (c->vcache.waysize) {
+               levels++;
+               leaves++;
+       }
+
        if (c->scache.waysize) {
                levels++;
                leaves++;
@@ -74,25 +79,38 @@ static int __populate_cache_leaves(unsigned int cpu)
        struct cpuinfo_mips *c = &current_cpu_data;
        struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
        struct cacheinfo *this_leaf = this_cpu_ci->info_list;
+       int level = 1;
 
        if (c->icache.waysize) {
-               /* L1 caches are per core */
+               /* I/D caches are per core */
                fill_cpumask_siblings(cpu, &this_leaf->shared_cpu_map);
-               populate_cache(dcache, this_leaf, 1, CACHE_TYPE_DATA);
+               populate_cache(dcache, this_leaf, level, CACHE_TYPE_DATA);
                fill_cpumask_siblings(cpu, &this_leaf->shared_cpu_map);
-               populate_cache(icache, this_leaf, 1, CACHE_TYPE_INST);
+               populate_cache(icache, this_leaf, level, CACHE_TYPE_INST);
+               level++;
        } else {
-               populate_cache(dcache, this_leaf, 1, CACHE_TYPE_UNIFIED);
+               populate_cache(dcache, this_leaf, level, CACHE_TYPE_UNIFIED);
+               level++;
+       }
+
+       if (c->vcache.waysize) {
+               /* Vcache is per core as well */
+               fill_cpumask_siblings(cpu, &this_leaf->shared_cpu_map);
+               populate_cache(vcache, this_leaf, level, CACHE_TYPE_UNIFIED);
+               level++;
        }
 
        if (c->scache.waysize) {
-               /* L2 cache is per cluster */
+               /* Scache is per cluster */
                fill_cpumask_cluster(cpu, &this_leaf->shared_cpu_map);
-               populate_cache(scache, this_leaf, 2, CACHE_TYPE_UNIFIED);
+               populate_cache(scache, this_leaf, level, CACHE_TYPE_UNIFIED);
+               level++;
        }
 
-       if (c->tcache.waysize)
-               populate_cache(tcache, this_leaf, 3, CACHE_TYPE_UNIFIED);
+       if (c->tcache.waysize) {
+               populate_cache(tcache, this_leaf, level, CACHE_TYPE_UNIFIED);
+               level++;
+       }
 
        this_cpu_ci->cpu_map_populated = true;