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Blackfin arch: When icache is off, make sure people know it 

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Robin Getz 2008-07-26 19:39:19 +08:00 committed by Bryan Wu
parent 0d1cdd7ab6
commit 9de3a0b697
1 changed files with 12 additions and 5 deletions
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17
arch/blackfin/kernel/setup.c
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@ -948,7 +948,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
uint32_t revid; uint32_t revid;
u_long cclk = 0, sclk = 0; u_long cclk = 0, sclk = 0;
u_int dcache_size = 0, dsup_banks = 0; u_int icache_size = BFIN_ICACHESIZE / 1024, dcache_size = 0, dsup_banks = 0;
cpu = CPU; cpu = CPU;
mmu = "none"; mmu = "none";
@ -1017,12 +1017,15 @@ static int show_cpuinfo(struct seq_file *m, void *v)
} }
/* Is it turned on? */ /* Is it turned on? */
if (!((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE))) if (bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE) != (ENDCPLB | DMC_ENABLE))
dcache_size = 0; dcache_size = 0;
if (bfin_read_IMEM_CONTROL() & (IMC | ENICPLB) == (IMC | ENICPLB))
icache_size = 0;
seq_printf(m, "cache size\t: %d KB(L1 icache) " seq_printf(m, "cache size\t: %d KB(L1 icache) "
"%d KB(L1 dcache-%s) %d KB(L2 cache)\n", "%d KB(L1 dcache-%s) %d KB(L2 cache)\n",
BFIN_ICACHESIZE / 1024, dcache_size, icache_size, dcache_size,
#if defined CONFIG_BFIN_WB #if defined CONFIG_BFIN_WB
"wb" "wb"
#elif defined CONFIG_BFIN_WT #elif defined CONFIG_BFIN_WT
@ -1032,8 +1035,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "%s\n", cache); seq_printf(m, "%s\n", cache);
seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n", if (icache_size)
BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES); seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n",
BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES);
else
seq_printf(m, "icache setup\t: off\n");
seq_printf(m, seq_printf(m,
"dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n", "dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS, dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,