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MIPS: Probe for watch registers on cores of all vendors, not just MTI. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: David Daney <ddaney@caviumnetworks.com>
This commit is contained in:
Ralf Baechle 2008-10-29 12:33:34 +00:00
parent ba3049ed40
commit 558ce12494
1 changed files with 12 additions and 10 deletions
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22
arch/mips/kernel/cpu-probe.c
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@ -652,21 +652,24 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
static void __cpuinit decode_configs(struct cpuinfo_mips *c)
{
int ok;
/* MIPS32 or MIPS64 compliant CPU. */
c->options = MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE | MIPS_CPU_COUNTER |
MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK;
c->scache.flags = MIPS_CACHE_NOT_PRESENT;
/* Read Config registers. */
if (!decode_config0(c))
return; /* actually worth a panic() */
if (!decode_config1(c))
return;
if (!decode_config2(c))
return;
if (!decode_config3(c))
return;
ok = decode_config0(c); /* Read Config registers. */
BUG_ON(!ok); /* Arch spec violation! */
if (ok)
ok = decode_config1(c);
if (ok)
ok = decode_config2(c);
if (ok)
ok = decode_config3(c);
mips_probe_watch_registers(c);
}
#ifdef CONFIG_CPU_MIPSR2
@ -678,7 +681,6 @@ static inline void spram_config(void) {}
static inline void cpu_probe_mips(struct cpuinfo_mips *c)
{
decode_configs(c);
mips_probe_watch_registers(c);
switch (c->processor_id & 0xff00) {
case PRID_IMP_4KC:
c->cputype = CPU_4KC;