Re: [PATCH v7 08/13] arm: mach-k3: am62a7_init: Resume on LPM exit

[Kumar, Udit]

On 12/10/2025 7:39 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 <ansh...@ti.com>
Signed-off-by: Markus Schneider-Pargmann (TI.com) <m...@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 
24fdfdd7f1d9146f0cb6dde333d2bb54df96700d..9fe671c3ff458189ba04ddedd0f2fa8894629cec
 100644
--- a/arch/arm/mach-k3/am62ax/am62a7_init.c
+++ b/arch/arm/mach-k3/am62ax/am62a7_init.c
@@ -197,6 +197,15 @@ 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);
+       }
  #endif

I think, code will not return here after resume then how setup_qos will 
be done ?

        spl_enable_cache();