Files
linux/arch/mips/include/asm
Maciej W. Rozycki 8d1630f137 MIPS: MIPS16e2: Identify ASE presence
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: Maciej W. Rozycki <macro@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16094/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-07-05 14:06:44 +02:00
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