• Huacai Chen's avatar
    MIPS: Loongson: Add Loongson-3A R2 basic support · b2edcfc8
    Huacai Chen authored
    Loongson-3 CPU family:
    
    Code-name       Brand-name       PRId
    Loongson-3A R1  Loongson-3A1000  0x6305
    Loongson-3A R2  Loongson-3A2000  0x6308
    Loongson-3B R1  Loongson-3B1000  0x6306
    Loongson-3B R2  Loongson-3B1500  0x6307
    
    Features of R2 revision of Loongson-3A:
    
      - Primary cache includes I-Cache, D-Cache and V-Cache (Victim Cache).
      - I-Cache, D-Cache and V-Cache are 16-way set-associative, linesize is
         64 bytes.
      - 64 entries of VTLB (classic TLB), 1024 entries of FTLB (8-way
         set-associative).
      - Supports DSP/DSPv2 instructions, UserLocal register and Read-Inhibit/
         Execute-Inhibit.
    
    [ralf@linux-mips.org: Resolved merge conflicts.]
    Signed-off-by: default avatarHuacai Chen <chenhc@lemote.com>
    Cc: Aurelien Jarno <aurelien@aurel32.net>
    Cc: Steven J . Hill <sjhill@realitydiluted.com>
    Cc: Fuxin Zhang <zhangfx@lemote.com>
    Cc: Zhangjin Wu <wuzhangjin@gmail.com>
    Cc: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/12751/
    Patchwork: https://patchwork.linux-mips.org/patch/13136/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
    b2edcfc8
cpu-feature-overrides.h 1.51 KB