[PATCH v8 09/13] arm: mach-k3: am62p5_init: Resume on LPM exit

Kumar, Udit u-kumar1 at ti.com
Tue Dec 23 09:13:42 CET 2025


Hi Markus,

On 12/23/2025 1:31 AM, Markus Schneider-Pargmann (TI.com) wrote:
> When exiting a low power mode with DDR self-refresh, we can directly
> resume after DDR setup is done. Call the common function to resume.
>
> Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp at baylibre.com>
> ---
>   arch/arm/mach-k3/am62px/am62p5_init.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/mach-k3/am62px/am62p5_init.c b/arch/arm/mach-k3/am62px/am62p5_init.c
> index a74fe3d23d7c4b66ac95aa5a01c2a32a586e9ced..63cc9827b6a178d36f054400772417411cb508f5 100644
> --- a/arch/arm/mach-k3/am62px/am62p5_init.c
> +++ b/arch/arm/mach-k3/am62px/am62p5_init.c
> @@ -253,6 +253,15 @@ void board_init_f(ulong dummy)
>   		enable_mcu_esm_reset();
>   	}
>   
> +	if (wkup_ctrl_is_lpm_exit()) {
> +		u64 meta_data_addr;
> +
> +		ret = wkup_r5f_am62_lpm_meta_data_addr(&meta_data_addr);
> +		if (ret)
> +			panic("Failed to get LPM meta data address %d\n", ret);
> +		lpm_resume_from_ddr(meta_data_addr);
> +	}
> +


Thanks for moving enable cache after if

But advise how setup_qos will be done now.


>   	spl_enable_cache();
>   
>   	setup_qos();
>


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