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| author | Huacai Chen <chenhc@lemote.com> | 2014-03-21 18:44:00 +0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-03-31 18:17:12 +0200 |
| commit | c579d310b9b22b4b9fedcdd720c8ac58c901e1e9 (patch) | |
| tree | 2899124d69cd72f44ecf3006d561c7093120a3c4 /arch/mips/kernel/cpu-probe.c | |
| parent | 152ebb44eff3c2dae0fb7d5b19c3f65e7c8d3493 (diff) | |
| download | linux-c579d310b9b22b4b9fedcdd720c8ac58c901e1e9.tar.gz linux-c579d310b9b22b4b9fedcdd720c8ac58c901e1e9.tar.bz2 linux-c579d310b9b22b4b9fedcdd720c8ac58c901e1e9.zip | |
MIPS: Loongson: Add basic Loongson-3 CPU support
Basic Loongson-3 CPU support include CPU probing and TLB/cache
initializing.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Hongliang Tao <taohl@lemote.com>
Signed-off-by: Hua Yan <yanh@lemote.com>
Tested-by: Alex Smith <alex.smith@imgtec.com>
Reviewed-by: Alex Smith <alex.smith@imgtec.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/6630
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 | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 34df5afa2d6f..bd712c91f48b 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -735,16 +735,22 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) c->tlbsize = 64; break; case PRID_IMP_LOONGSON_64: /* Loongson-2/3 */ - c->cputype = CPU_LOONGSON2; - __cpu_name[cpu] = "ICT Loongson-2"; - switch (c->processor_id & PRID_REV_MASK) { case PRID_REV_LOONGSON2E: + c->cputype = CPU_LOONGSON2; + __cpu_name[cpu] = "ICT Loongson-2"; set_elf_platform(cpu, "loongson2e"); break; case PRID_REV_LOONGSON2F: + c->cputype = CPU_LOONGSON2; + __cpu_name[cpu] = "ICT Loongson-2"; set_elf_platform(cpu, "loongson2f"); break; + case PRID_REV_LOONGSON3A: + c->cputype = CPU_LOONGSON3; + __cpu_name[cpu] = "ICT Loongson-3"; + set_elf_platform(cpu, "loongson3a"); + break; } set_isa(c, MIPS_CPU_ISA_III); |