ARM: imx: add speed grading check for i.mx6 soc

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The fuse map of speed_grading[1:0] defines the max speed
of ARM, see below the definition:

2b'11: 1200000000Hz;
2b'10: 996000000Hz;
2b'01: 852000000Hz; -- i.MX6Q Only, exclusive with 996MHz.
2b'00: 792000000Hz;

Need to remove all illegal setpoints according to fuse
map.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

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Anson Huang 2014-02-12 17:57:03 +08:00 • committed by Shawn Guo

parent 6e6cdf6656

commit c962a09963

1 changed files with 23 additions and 3 deletions

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arch/arm/mach-imx/mach-imx6q.c

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