sh: Add support for SH7786 CPU subtype.

This adds preliminary support for the SH7786 CPU subtype.

While this is a dual-core CPU, only UP is supported for now. L2 cache
support is likewise not yet implemented.

More information on this particular CPU subtype is available at:

	http://www.renesas.com/fmwk.jsp?cnt=sh7786_root.jsp&fp=/products/mpumcu/superh_family/sh7780_series/sh7786_group/

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 2e42572b1b11..2bd0ec962639 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -129,6 +129,13 @@ int __init detect_cpu_and_cache_system(void)
                 boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
                                           CPU_HAS_LLSC;
                 break;
+        case 0x4004:
+                boot_cpu_data.type = CPU_SH7786;
+                boot_cpu_data.icache.ways = 4;
+                boot_cpu_data.dcache.ways = 4;
+                boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+                        CPU_HAS_LLSC;
+                break;
         case 0x3008:
                 boot_cpu_data.icache.ways = 4;
                 boot_cpu_data.dcache.ways = 4;