bootscr=
k_console=console=tty0 console=ttyS0,115200n8 earlycon=uart,mmio32,0x01c28000
k_rootfs=root=UUID=deadbeef-dead-beef-dead-beefdeadbeef rootwait rw fsck.repair=yes
k_governor=governor=conservative
k_video=no_console_suspend
m_set_bootargs=setenv k_net "mac_addr=${ethaddr}"; setenv bootargs "${k_console} ${k_rootfs} ${k_net} ${k_governor} ${k_video} rootfstype=ext4 panic=10 consoleblank=0 enforcing=0 loglevel=1"; 
run_pre_boot=1
m_pre_boot=mw.l 0x1c2005c 1; mw.l 0x1c20000 0x80001010;

bootscr=
k_console=console=tty0 console=ttyS0,115200n8 earlycon=uart,mmio32,0x01c28000
k_rootfs=root=UUID=deadbeef-dead-beef-dead-beefdeadbeef rootwait rw fsck.repair=yes
k_governor=governor=conservative
k_video=no_console_suspend
m_set_bootargs=setenv k_net "mac_addr=${ethaddr}"; setenv bootargs "${k_console} ${k_rootfs} ${k_net} ${k_governor} ${k_video} rootfstype=ext4 panic=10 consoleblank=0 enforcing=0 loglevel=1"; 
run_pre_boot=1
m_pre_boot=mw.l 0x1c2005c 1; mw.l 0x1c20000 0x80001110;

Change CPU frequency up to 864 MHz
 Change CPU frequency up to 864 MHz