On Tuesday 06 December 2011 18:00:19 Tom Warren wrote: > commit 0d479b53 (Aneesh V) added code for OMAP4 that doesn't > execute on Tegra, due to the AVP (ARM7TDI) not having a CP15. > Result was an undefined instruction hang just after reset. > > --- a/arch/arm/cpu/armv7/start.S > +++ b/arch/arm/cpu/armv7/start.S > > +#if !defined(CONFIG_TEGRA2) > /* > * Setup vector: > * (OMAP4 spl TEXT_BASE is not 32 byte aligned. > @@ -159,6 +160,7 @@ reset: > ldr r0, =_start > mcr p15, 0, r0, c12, c0, 0 @Set VBAR > #endif > +#endif /* !Tegra2 */
forgive my ignorance, but would it be better to invert the logic ? have ARM cores that do have a CP15 define CONFIG_ARM_CP15 (or whatever) and then put all this logic behind that rather than grow a list of SoC's that lack it ? -mike
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