diff options
| -rw-r--r-- | arch/sh/mm/cache-sh4.c | 58 | ||||
| -rw-r--r-- | arch/sh/mm/cache.c | 46 |
2 files changed, 51 insertions, 53 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index df2eb87f152..4ac844b1432 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -44,61 +44,15 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys, static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) = (void (*)(unsigned long, unsigned long))0xdeadbeef; -static void compute_alias(struct cache_info *c) -{ - c->alias_mask = ((c->sets - 1) << c->entry_shift) & ~(PAGE_SIZE - 1); - c->n_aliases = c->alias_mask ? (c->alias_mask >> PAGE_SHIFT) + 1 : 0; -} - -static void __init emit_cache_params(void) -{ - printk("PVR=%08x CVR=%08x PRR=%08x\n", - ctrl_inl(CCN_PVR), - ctrl_inl(CCN_CVR), - ctrl_inl(CCN_PRR)); - printk("I-cache : n_ways=%d n_sets=%d way_incr=%d\n", - boot_cpu_data.icache.ways, - boot_cpu_data.icache.sets, - boot_cpu_data.icache.way_incr); - printk("I-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n", - boot_cpu_data.icache.entry_mask, - boot_cpu_data.icache.alias_mask, - boot_cpu_data.icache.n_aliases); - printk("D-cache : n_ways=%d n_sets=%d way_incr=%d\n", - boot_cpu_data.dcache.ways, - boot_cpu_data.dcache.sets, - boot_cpu_data.dcache.way_incr); - printk("D-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n", - boot_cpu_data.dcache.entry_mask, - 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"); -} - /* * SH-4 has virtually indexed and physically tagged cache. */ void __init sh4_cache_init(void) { - compute_alias(&boot_cpu_data.icache); - compute_alias(&boot_cpu_data.dcache); - compute_alias(&boot_cpu_data.scache); + printk("PVR=%08x CVR=%08x PRR=%08x\n", + ctrl_inl(CCN_PVR), + ctrl_inl(CCN_CVR), + ctrl_inl(CCN_PRR)); switch (boot_cpu_data.dcache.ways) { case 1: @@ -111,11 +65,9 @@ void __init sh4_cache_init(void) __flush_dcache_segment_fn = __flush_dcache_segment_4way; break; default: - __flush_dcache_segment_fn = NULL; + panic("unknown number of cache ways\n"); break; } - - emit_cache_params(); } /* diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 659981ffae2..a31e5c46e7a 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -128,8 +128,52 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr) } } +static void compute_alias(struct cache_info *c) +{ + c->alias_mask = ((c->sets - 1) << c->entry_shift) & ~(PAGE_SIZE - 1); + c->n_aliases = c->alias_mask ? (c->alias_mask >> PAGE_SHIFT) + 1 : 0; +} + +static void __init emit_cache_params(void) +{ + printk(KERN_NOTICE "I-cache : n_ways=%d n_sets=%d way_incr=%d\n", + boot_cpu_data.icache.ways, + boot_cpu_data.icache.sets, + boot_cpu_data.icache.way_incr); + printk(KERN_NOTICE "I-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n", + boot_cpu_data.icache.entry_mask, + boot_cpu_data.icache.alias_mask, + boot_cpu_data.icache.n_aliases); + printk(KERN_NOTICE "D-cache : n_ways=%d n_sets=%d way_incr=%d\n", + boot_cpu_data.dcache.ways, + boot_cpu_data.dcache.sets, + boot_cpu_data.dcache.way_incr); + printk(KERN_NOTICE "D-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n", + boot_cpu_data.dcache.entry_mask, + 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(KERN_NOTICE "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(KERN_NOTICE "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); + } +} + void __init cpu_cache_init(void) { + compute_alias(&boot_cpu_data.icache); + compute_alias(&boot_cpu_data.dcache); + compute_alias(&boot_cpu_data.scache); + if ((boot_cpu_data.family == CPU_FAMILY_SH4) || (boot_cpu_data.family == CPU_FAMILY_SH4A) || (boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) { @@ -137,4 +181,6 @@ void __init cpu_cache_init(void) sh4_cache_init(); } + + emit_cache_params(); } |