diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2010-12-21 14:19:09 -0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-01-18 19:30:22 +0100 |
| commit | e77c32fe284a4da1b4e0994890a4d3527812eb61 (patch) | |
| tree | 8bff97f0aeb8ce4ba0bf4af92f798e06b66f6e9f /arch/mips/kernel/cpu-probe.c | |
| parent | 487d70d0b8bd1c70d099a7526077ffefee412050 (diff) | |
MIPS: Probe for presence of KScratch registers.
Probe c0_config4 for KScratch registers and report them in /proc/cpuinfo.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1877/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 68dae7b6b5d..f65d4c8c65a 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -739,6 +739,8 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c) && cpu_has_tlb) c->tlbsize += (config4 & MIPS_CONF4_MMUSIZEEXT) * 0x40; + c->kscratch_mask = (config4 >> 16) & 0xff; + return config4 & MIPS_CONF_M; } |