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Diffstat (limited to 'arch/sh/kernel/cpu/sh4/probe.c')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/probe.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index 6ea87af7247e..ebceb0dadff5 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -220,6 +220,12 @@ int __init detect_cpu_and_cache_system(void) * SH-4A's have an optional PIPT L2. */ if (boot_cpu_data.flags & CPU_HAS_L2_CACHE) { + /* Bug if we can't decode the L2 info */ + BUG_ON(!(cvr & 0xf)); + + /* Silicon and specifications have clearly never met.. */ + cvr ^= 0xf; + /* * Size calculation is much more sensible * than it is for the L1. |