1 .section .entry 2 // Turn OFF SD Card power 3 // to support autostart 4 LDR R3, =0xC0220018 // @FF86E8DC S90 5 MOV R2, #0x44 6 STR R2, [R3] 7 8 // looks like idle cycle is required for proper shutdown 9 MOV R3, #0xF0000 // increased from 8000 to F0000 for extra delay 10 1: 11 SUB R3, R3, #1 12 CMP R3, #0 13 BNE 1b 14 15 // ordinary startup... 16 17 MOV SP, #0x1900 18 MOV R11, #0 19 B my_restart