[PATCH v7 09/13] arm: mach-k3: am62p5_init: Resume on LPM exit
Markus Schneider-Pargmann (TI.com)
msp at baylibre.com
Wed Dec 10 15:09:03 CET 2025
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/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);
+ }
+
debug("am62px_init: %s done\n", __func__);
fixup_a53_cpu_freq_by_speed_grade();
--
2.51.0
More information about the U-Boot
mailing list