[PARISC] Match show_cache_info with reality

show_cache_info and struct pdc_cache_cf were out of sync with
published documentation. Fix the reporting of cache associativity
and update the pdc_cache_cf bitfields to match documentation.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index c057ad7..851519c 100644 (file)
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -97,15 +97,17 @@ update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 void
 show_cache_info(struct seq_file *m)
 {
+       char buf[32];
+
        seq_printf(m, "I-cache\t\t: %ld KB\n", 
                cache_info.ic_size/1024 );
-       seq_printf(m, "D-cache\t\t: %ld KB (%s%s, %d-way associative)\n", 
+       if (cache_info.dc_loop == 1)
+               snprintf(buf, 32, "%lu-way associative", cache_info.dc_loop);
+       seq_printf(m, "D-cache\t\t: %ld KB (%s%s, %s)\n",
                cache_info.dc_size/1024,
                (cache_info.dc_conf.cc_wt ? "WT":"WB"),
                (cache_info.dc_conf.cc_sh ? ", shared I/D":""),
-               (cache_info.dc_conf.cc_assoc)
-       );
-
+               ((cache_info.dc_loop == 1) ? "direct mapped" : buf));
        seq_printf(m, "ITLB entries\t: %ld\n" "DTLB entries\t: %ld%s\n",
                cache_info.it_size,
                cache_info.dt_size,
@@ -158,11 +160,11 @@ parisc_cache_init(void)
                cache_info.dc_conf.cc_block,
                cache_info.dc_conf.cc_line,
                cache_info.dc_conf.cc_shift);
-       printk("        wt %d sh %d cst %d assoc %d\n",
+       printk("        wt %d sh %d cst %d hv %d\n",
                cache_info.dc_conf.cc_wt,
                cache_info.dc_conf.cc_sh,
                cache_info.dc_conf.cc_cst,
-               cache_info.dc_conf.cc_assoc);
+               cache_info.dc_conf.cc_hv);
 
        printk("IC  base 0x%lx stride 0x%lx count 0x%lx loop 0x%lx\n",
                cache_info.ic_base,
@@ -176,11 +178,11 @@ parisc_cache_init(void)
                cache_info.ic_conf.cc_block,
                cache_info.ic_conf.cc_line,
                cache_info.ic_conf.cc_shift);
-       printk("        wt %d sh %d cst %d assoc %d\n",
+       printk("        wt %d sh %d cst %d hv %d\n",
                cache_info.ic_conf.cc_wt,
                cache_info.ic_conf.cc_sh,
                cache_info.ic_conf.cc_cst,
-               cache_info.ic_conf.cc_assoc);
+               cache_info.ic_conf.cc_hv);
 
        printk("D-TLB conf: sh %d page %d cst %d aid %d pad1 %d \n",
                cache_info.dt_conf.tc_sh,

diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 7d8a71a..592f13b 100644 (file)
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -352,8 +352,8 @@ struct pdc_cache_cf {               /* for PDC_CACHE  (I/D-caches) */
                cc_wt   : 1,    /* 0 = WT-Dcache, 1 = WB-Dcache */
                cc_sh   : 2,    /* 0 = separate I/D-cache, else shared I/D-cache */
                cc_cst  : 3,    /* 0 = incoherent D-cache, 1=coherent D-cache */
-               cc_pad1 : 5,    /* reserved */
-               cc_assoc: 8;    /* associativity of I/D-cache */
+               cc_pad1 : 10,   /* reserved */
+               cc_hv   : 3;    /* hversion dependent */
 };
 
 struct pdc_tlb_cf {            /* for PDC_CACHE (I/D-TLB's) */