[SPARC64]: Probe D/I/E-cache config and use.

[linux-2.6] / arch / sparc64 / kernel / smp.c

diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index b4fc6a5462b2192065052a1693d194e375066910..590df5a16f5a2d11a56c138b3e8e43d2017f9dd9 100644 (file)
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -93,6 +93,27 @@ void __init smp_store_cpu_info(int id)
        cpu_data(id).pte_cache[1]               = NULL;
        cpu_data(id).pgd_cache                  = NULL;
        cpu_data(id).idle_volume                = 1;
+
+       cpu_data(id).dcache_size = prom_getintdefault(cpu_node, "dcache-size",
+                                                     16 * 1024);
+       cpu_data(id).dcache_line_size =
+               prom_getintdefault(cpu_node, "dcache-line-size", 32);
+       cpu_data(id).icache_size = prom_getintdefault(cpu_node, "icache-size",
+                                                     16 * 1024);
+       cpu_data(id).icache_line_size =
+               prom_getintdefault(cpu_node, "icache-line-size", 32);
+       cpu_data(id).ecache_size = prom_getintdefault(cpu_node, "ecache-size",
+                                                     4 * 1024 * 1024);
+       cpu_data(id).ecache_line_size =
+               prom_getintdefault(cpu_node, "ecache-line-size", 64);
+       printk("CPU[%d]: Caches "
+              "D[sz(%d):line_sz(%d)] "
+              "I[sz(%d):line_sz(%d)] "
+              "E[sz(%d):line_sz(%d)]\n",
+              id,
+              cpu_data(id).dcache_size, cpu_data(id).dcache_line_size,
+              cpu_data(id).icache_size, cpu_data(id).icache_line_size,
+              cpu_data(id).ecache_size, cpu_data(id).ecache_line_size);
 }
 
 static void smp_setup_percpu_timer(void);