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authorPaul Mundt <lethal@linux-sh.org>2006-09-27 18:27:43 +0900
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 18:27:43 +0900
commit72c35543f8cf1316773ffbd9619575bb84ac44fb (patch)
tree5dc8ba51079cbc65be0ee0e881da03e6ac0b0b5b /include
parent9d549a7d8ef71f684a35cf1e438543957cf81d12 (diff)
sh: Support for L2 cache on newer SH-4A CPUs.
This implements preliminary support for the L2 caches found on newer SH-4A CPUs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-sh/cpu-features.h1
-rw-r--r--include/asm-sh/processor.h9
2 files changed, 6 insertions, 4 deletions
diff --git a/include/asm-sh/cpu-features.h b/include/asm-sh/cpu-features.h
index e1260aae3ee..4bccd7c032f 100644
--- a/include/asm-sh/cpu-features.h
+++ b/include/asm-sh/cpu-features.h
@@ -19,5 +19,6 @@
#define CPU_HAS_PERF_COUNTER 0x0010 /* Hardware performance counters */
#define CPU_HAS_PTEA 0x0020 /* PTEA register */
#define CPU_HAS_LLSC 0x0040 /* movli.l/movco.l */
+#define CPU_HAS_L2_CACHE 0x0080 /* Secondary cache / URAM */
#endif /* __ASM_SH_CPU_FEATURES_H */
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index bdd47270554..b7cba4e91a7 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -54,14 +54,15 @@ enum cpu_type {
};
struct sh_cpuinfo {
- enum cpu_type type;
+ unsigned int type;
unsigned long loops_per_jiffy;
- struct cache_info icache;
- struct cache_info dcache;
+ struct cache_info icache; /* Primary I-cache */
+ struct cache_info dcache; /* Primary D-cache */
+ struct cache_info scache; /* Secondary cache */
unsigned long flags;
-};
+} __attribute__ ((aligned(SMP_CACHE_BYTES)));
extern struct sh_cpuinfo boot_cpu_data;