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Identify the SoC type and revision, and register this information with
the SoC bus, so it is available under /sys/devices/soc0/, and can be
checked where needed using soc_device_match().
Identification is done using the Product Register or Common Chip Code
Register, as declared in DT (PRR only for now), or using a hardcoded
fallback if missing.
Example:
Detected Renesas R-Car Gen2 r8a7791 ES1.0
...
# cat /sys/devices/soc0/{machine,family,soc_id,revision}
Koelsch
R-Car Gen2
r8a7791
ES1.0
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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|---|---|---|
| .. | ||
| Makefile | ||
| r8a7779-sysc.c | ||
| r8a7790-sysc.c | ||
| r8a7791-sysc.c | ||
| r8a7792-sysc.c | ||
| r8a7794-sysc.c | ||
| r8a7795-sysc.c | ||
| r8a7796-sysc.c | ||
| rcar-sysc.c | ||
| rcar-sysc.h | ||
| renesas-soc.c | ||