Re: [PATCH v7 09/13] arm: mach-k3: am62p5_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/am62px/am62p5_init.c | 10 ++++++++++
  1 file changed, 10 insertions(+)

diff --git a/arch/arm/mach-k3/am62px/am62p5_init.c 
b/arch/arm/mach-k3/am62px/am62p5_init.c
index 
976bbbeb8747f9ddddd78b3f8d7f3787c5bfd576..4bc688ae10cd0ce36d87d2c2ad2d7609db52d5b2
 100644
--- a/arch/arm/mach-k3/am62px/am62p5_init.c
+++ b/arch/arm/mach-k3/am62px/am62p5_init.c
@@ -255,6 +255,16 @@ void board_init_f(ulong dummy)
        spl_enable_cache();

setup_qos();

+
+       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);
+       }
+

Any specific reason in patch 8/13, resume is done before cache and qos.

for this platform am62p5, cache is qos is done before resuming from standby

        debug("am62px_init: %s done\n", __func__);

fixup_a53_cpu_freq_by_speed_grade();