iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/blackfin/kernel/setup.c
View File

@ -948,7 +948,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
uint32_t revid;
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;
mmu = "none";
@ -1017,12 +1017,15 @@ static int show_cpuinfo(struct seq_file *m, void *v)
}
/* 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;
if (bfin_read_IMEM_CONTROL() & (IMC | ENICPLB) == (IMC | ENICPLB))
icache_size = 0;
seq_printf(m, "cache size\t: %d KB(L1 icache) "
"%d KB(L1 dcache-%s) %d KB(L2 cache)\n",
BFIN_ICACHESIZE / 1024, dcache_size,
icache_size, dcache_size,
#if defined CONFIG_BFIN_WB
"wb"
#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, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n",
BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES);
if (icache_size)
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,
"dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,