[U-Boot] [PATCH v2 06/10] powerpc, 8xx: Properly set CPM frequency in the device tree

Heiko Schocher
2017-07-06T09:46:04Z

Hello Christophe,

Am 06.07.2017 um 10:33 schrieb Christophe Leroy:
> For processors whose core runs at twice the bus frequency,
> the fallback frequency calculation in Linux provides a wrong
> result. Therefore, U-boot needs to pass the correct value.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
> arch/powerpc/cpu/mpc8xx/fdt.c | 2 ++
> 1 file changed, 2 insertions(+)

Reviewed-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
>
> diff --git a/arch/powerpc/cpu/mpc8xx/fdt.c b/arch/powerpc/cpu/mpc8xx/fdt.c
> index 88ee1c502c..f9b74ded5a 100644
> --- a/arch/powerpc/cpu/mpc8xx/fdt.c
> +++ b/arch/powerpc/cpu/mpc8xx/fdt.c
> @@ -20,6 +20,8 @@ void ft_cpu_setup(void *blob, bd_t *bd)
> "bus-frequency", bd->bi_busfreq, 1);
> do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
> "clock-frequency", bd->bi_intfreq, 1);
> + do_fixup_by_compat_u32(blob, "fsl,pq1-soc", "clock-frequency",
> + bd->bi_intfreq, 1);
> do_fixup_by_compat_u32(blob, "fsl,cpm-brg", "clock-frequency",
> gd->arch.brg_clk, 1);
>
>

--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany