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| author | Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> | 2016-03-29 14:50:25 (GMT) |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 12:01:57 (GMT) |
| commit | b5a6455cde3d63466ac31bacdb42afcf30932f75 (patch) | |
| tree | 992cd11b5d9330905d9a4e71cceed9345b5693f2 /arch/mips/include/asm/cpu-features.h | |
| parent | 157b9394709ed5233288986a293405def22792ed (diff) | |
| download | linux-b5a6455cde3d63466ac31bacdb42afcf30932f75.tar.xz | |
MIPS: Detect DSP v3 support
DSPv3 is supported on all MIPSr6 systems which indicate support for DSPv2.
This doesn't require any changes to the kernel's handling of DSP
resources. The patch is to detect support and indicate it in /proc/cpuinfo
DSP v3 introduces a new instruction BPOSGE32C
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12918/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/cpu-features.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 57cdc5b..6ff0504 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -307,6 +307,10 @@ #define cpu_has_dsp2 (cpu_data[0].ases & MIPS_ASE_DSP2P) #endif +#ifndef cpu_has_dsp3 +#define cpu_has_dsp3 (cpu_data[0].ases & MIPS_ASE_DSP3) +#endif + #ifndef cpu_has_mipsmt #define cpu_has_mipsmt (cpu_data[0].ases & MIPS_ASE_MIPSMT) #endif |