Hi, On Mon, Feb 20, 2012 at 03:04:57PM -0800, Colin Cross wrote: > On Thu, Feb 9, 2012 at 3:47 PM, Peter De Schrijver > <pdeschrijver@xxxxxxxxxx> wrote: > > Prepare the Tegra secondary CPU core bringup code for other Tegra variants. > > The reset handler is also generalized to allow for future introduction of > > powersaving modes which turn off the CPU cores. > > > > Based on work by: > > > > Scott Williams <scwilliams@xxxxxxxxxx> > > Chris Johnson <cwj@xxxxxxxxxx> > > Colin Cross <ccross@xxxxxxxxxxx> > > > > Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx> > > --- > <snip> > > > diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S > > index b5349b2..7973f1c 100644 > > --- a/arch/arm/mach-tegra/headsmp.S > > +++ b/arch/arm/mach-tegra/headsmp.S > > <snip> > > > @@ -47,15 +64,116 @@ ENTRY(v7_invalidate_l1) > > mov pc, lr > > ENDPROC(v7_invalidate_l1) > > > > + > > ENTRY(tegra_secondary_startup) > > - msr cpsr_fsxc, #0xd3 > > bl v7_invalidate_l1 > > - mrc p15, 0, r0, c0, c0, 5 > > - and r0, r0, #15 > > - ldr r1, =0x6000f100 > > - str r0, [r1] > > -1: ldr r2, [r1] > > - cmp r0, r2 > > - beq 1b > > + mov32 r0, 0xC5ACCE55 > > + mcr p14, 0, r0, c7, c12, 6 > > One minor nit, you should comment that this is enabling coresight. Since it's trivial, I did it when I applied the patch here instead of having Peter respin or add it separately. -Olof -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
