• Maciej W. Rozycki's avatar
    MIPS: MIPS16e2: Identify ASE presence · 8d1630f1
    Maciej W. Rozycki authored
    Identify the presence of the MIPS16e2 ASE as per the architecture
    specification[1], by checking for CP0 Config5.CA2 bit being 1[2].
    
    References:
    
    [1] "MIPS32 Architecture for Programmers: MIPS16e2 Application-Specific
        Extension Technical Reference Manual", Imagination Technologies
        Ltd., Document Number: MD01172, Revision 01.00, April 26, 2016,
        Section 1.2 "Software Detection of the ASE", p. 5
    
    [2] "MIPS32 interAptiv Multiprocessing System Software User's Manual",
        Imagination Technologies Ltd., Document Number: MD00904, Revision
        02.01, June 15, 2016, Section 2.2.1.6 "Device Configuration 5 --
        Config5 (CP0 Register 16, Select 5)", pp. 71-72
    Signed-off-by: default avatarMaciej W. Rozycki <macro@imgtec.com>
    Reviewed-by: default avatarJames Hogan <james.hogan@imgtec.com>
    Cc: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/16094/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
    8d1630f1
cpu-probe.c 52.3 KB