AM625: u-boot: reset not working

Tool/software:

Hi 

we are trying to reset our am62x custom hardware at u-boot with the command "reset" or "mw.l 0x43018170 0x00020006"

both command halt/hang the device not booting again.

we are booting with emmc, am62x DDR0_RESET0_n is connected to lpddr4 reset pin with pulldown

=> reset
resetting ...

Please give some suggestion.

configs are enabled 

and dts are modified

&dmsc {
 bootph-all;
 k3_sysreset: sysreset-controller {
 compatible = "ti,sci-sysreset";
 bootph-all;
 };
};