On Mon, Jun 13, 2016 at 12:31:12PM +0200, Geert Uytterhoeven wrote:
> According to the datasheet, the frequency of the ARM architecture timer
> on R-Car V2H depends on the frequency of the ZS clock, just like on
> R-Car E2.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Against renesas-devel-20160613-v4.7-rc3 with "ARM: shmobile: rcar-gen2:
> Obtain extal frequency from DT" applied.
>
> Untested due to lack of hardware.
Sergei, could you test this?
> ---
> arch/arm/mach-shmobile/setup-rcar-gen2.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
> index ea092d5dd475042d..afb9fdcd3d9084e2 100644
> --- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
> +++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
> @@ -76,7 +76,8 @@ void __init rcar_gen2_timer_init(void)
> void __iomem *base;
> u32 freq;
>
> - if (of_machine_is_compatible("renesas,r8a7794")) {
> + if (of_machine_is_compatible("renesas,r8a7792") ||
> + of_machine_is_compatible("renesas,r8a7794")) {
> freq = 260000000 / 8; /* ZS / 8 */
> /* CNTVOFF has to be initialized either from non-secure
> * Hypervisor mode or secure Monitor mode with SCR.NS==1.
> --
> 1.9.1
>
