* Santosh Shilimkar <[email protected]> [100731 20:38]: > The machine_kexec() calls outer_disable which can crash on OMAP4 > becasue of trustzone restrictions. > > This patch overrides the default l2x0_disable with a OMAP4 > specific implementation taking care of trustzone
Do you need different handling on GP omaps compared to HS omaps? Tony > Signed-off-by: Santosh Shilimkar <[email protected]> > --- > arch/arm/mach-omap2/omap4-common.c | 13 +++++++++++++ > 1 files changed, 13 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap2/omap4-common.c > b/arch/arm/mach-omap2/omap4-common.c > index 13dc979..b557cc2 100644 > --- a/arch/arm/mach-omap2/omap4-common.c > +++ b/arch/arm/mach-omap2/omap4-common.c > @@ -44,6 +44,13 @@ void __init gic_init_irq(void) > } > > #ifdef CONFIG_CACHE_L2X0 > + > +static void omap4_l2x0_disable(void) > +{ > + /* Disable PL310 L2 Cache controller */ > + omap_smc1(0x102, 0x0); > +} > + > static int __init omap_l2_cache_init(void) > { > /* > @@ -66,6 +73,12 @@ static int __init omap_l2_cache_init(void) > */ > l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff); > > + /* > + * Override default outer_cache.disable with a OMAP4 > + * specific one > + */ > + outer_cache.disable = omap4_l2x0_disable; > + > return 0; > } > early_initcall(omap_l2_cache_init); > -- > 1.6.0.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
