1 .section .entry 2 3 LDR SP, =MEMBASEADDR 4 BL check_compat 5 6 7 // Turn OFF SD Card power 8 // to support autostart 9 LDR R3, =0xC02200B0 10 MOV R2, #0x44 11 STR R2, [R3] 12 13 // looks like idle cycle is required for proper shutdown 14 MOV R3, #0x8000 15 1: 16 SUB R3, R3, #1 17 CMP R3, #0 18 BNE 1b 19 20 // ordinary startup... 21 22 MOV SP, #0x1900 23 MOV R11, #0 24 B my_restart