freescale imx515 neon

ARM 레지스터인데..

아무튼 이녀석을 어디서 제어하냐가 문제이려나..

uboot와 kernel 누구냐... 도대체 ㅠㅠ

[14]

Force NEON clock

Forces NEON clock enable active:

0 = does not prevent the processor clock generator from stopping the NEON clock, reset value

1 = prevents the processor clock generator from stopping the NEON clock.

[12]

Force NEON single issue

Forces single issue of Advanced SIMD instructions:

0 = does not force single issue of Advanced SIMD instructions, reset value

1 = forces single issue of Advanced SIMD instructions.

[5]

L1NEON

Enables caching NEON data within the L1 data cache:

0 = disables caching NEON data within the L1 data cache, reset value

1 = enables caching NEON data within the L1 data and L2 cache.

Note

NEON L1 caching should be enabled for best performance when the L2 cache is off or not present.

[링크 : http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0344i/Chddgcfe.html]

    [링크 : https://community.freescale.com/thread/259830]