[PATCH v6 08/13] arm: mach-k3: am62a7_init: Resume on LPM exit

[Kumar, Udit]

On 11/20/2025 9:33 PM, 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.
>
> Tested-by: Anshul Dalal <anshuld at ti.com>
> Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp at baylibre.com>
> ---
>   arch/arm/mach-k3/am62ax/am62a7_init.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/mach-k3/am62ax/am62a7_init.c b/arch/arm/mach-k3/am62ax/am62a7_init.c
> index 60645272c816023798cc5d6fa46a2c569143343b..4f0a8ed66179e7f7445f9c250ffb4f53f4977546 100644
> --- a/arch/arm/mach-k3/am62ax/am62a7_init.c
> +++ b/arch/arm/mach-k3/am62ax/am62a7_init.c
> @@ -195,6 +195,15 @@ void board_init_f(ulong dummy)
>   	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
>   	if (ret)
>   		panic("DRAM init failed: %d\n", ret);
> +
> +	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);

Do be you want to protect this code with DDR_IO config ?


> +	}
>   #endif
>   	spl_enable_cache();
>   
>