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sh: Calculate cache aliases on L2 caches.

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Calculate the number of cache aliases on probed L2 caches, and while
we're at it, print out the detected statistics at boot time for these
also.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2007-09-24 17:00:45 +09:00
parent 8328a8ba92
commit ab27f62002
1 changed files with 15 additions and 0 deletions
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15
arch/sh/mm/cache-sh4.c
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@ -70,6 +70,20 @@ static void __init emit_cache_params(void)
boot_cpu_data.dcache.alias_mask,
boot_cpu_data.dcache.n_aliases);
/*
* Emit Secondary Cache parameters if the CPU has a probed L2.
*/
if (boot_cpu_data.flags & CPU_HAS_L2_CACHE) {
printk("S-cache : n_ways=%d n_sets=%d way_incr=%d\n",
boot_cpu_data.scache.ways,
boot_cpu_data.scache.sets,
boot_cpu_data.scache.way_incr);
printk("S-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
boot_cpu_data.scache.entry_mask,
boot_cpu_data.scache.alias_mask,
boot_cpu_data.scache.n_aliases);
}
if (!__flush_dcache_segment_fn)
panic("unknown number of cache ways\n");
}
@ -81,6 +95,7 @@ void __init p3_cache_init(void)
{
compute_alias(&boot_cpu_data.icache);
compute_alias(&boot_cpu_data.dcache);
compute_alias(&boot_cpu_data.scache);
switch (boot_cpu_data.dcache.ways) {
case 1: