summaryrefslogtreecommitdiffstats
path: root/kernel/arch/sh/kernel/cpu/sh2/probe.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/sh/kernel/cpu/sh2/probe.c')
-rw-r--r--kernel/arch/sh/kernel/cpu/sh2/probe.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/arch/sh/kernel/cpu/sh2/probe.c b/kernel/arch/sh/kernel/cpu/sh2/probe.c
new file mode 100644
index 000000000..6c687ae81
--- /dev/null
+++ b/kernel/arch/sh/kernel/cpu/sh2/probe.c
@@ -0,0 +1,33 @@
+/*
+ * arch/sh/kernel/cpu/sh2/probe.c
+ *
+ * CPU Subtype Probing for SH-2.
+ *
+ * Copyright (C) 2002 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <asm/processor.h>
+#include <asm/cache.h>
+
+void cpu_probe(void)
+{
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
+ boot_cpu_data.type = CPU_SH7619;
+ boot_cpu_data.dcache.ways = 4;
+ boot_cpu_data.dcache.way_incr = (1<<12);
+ boot_cpu_data.dcache.sets = 256;
+ boot_cpu_data.dcache.entry_shift = 4;
+ boot_cpu_data.dcache.linesz = L1_CACHE_BYTES;
+ boot_cpu_data.dcache.flags = 0;
+#endif
+ /*
+ * SH-2 doesn't have separate caches
+ */
+ boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
+ boot_cpu_data.icache = boot_cpu_data.dcache;
+ boot_cpu_data.family = CPU_FAMILY_SH2;
+}