* Santosh Shilimkar <santosh.shilimkar@xxxxxx> [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 <santosh.shilimkar@xxxxxx>
> ---
> 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
>
> --
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