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sh: Support for L2 cache on newer SH-4A CPUs.

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This implements preliminary support for the L2 caches found
on newer SH-4A CPUs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2006-09-27 18:27:43 +09:00
parent 9d549a7d8e
commit 72c35543f8
4 changed files with 57 additions and 6 deletions
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6
arch/sh/kernel/setup.c
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@@ -416,7 +416,7 @@ const char *get_cpu_subtype(void)
/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
static const char *cpu_flags[] = {
"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
"ptea", "llsc", NULL
"ptea", "llsc", "l2", NULL
};
static void show_cpuflags(struct seq_file *m)
@@ -480,6 +480,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
show_cacheinfo(m, "dcache", boot_cpu_data.dcache);
}
/* Optional secondary cache */
if (boot_cpu_data.flags & CPU_HAS_L2_CACHE)
show_cacheinfo(m, "scache", boot_cpu_data.scache);
seq_printf(m, "bogomips\t: %lu.%02lu\n",
boot_cpu_data.loops_per_jiffy/(500000/HZ),
(boot_cpu_data.loops_per_jiffy/(5000/HZ)) % 100);