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After executing the instructon bl read_nand_to_sdram, my arm program will not execute the instruction ldr sp,=0x34000000 , but goback to execute the instruction bl init_sdram,why?
.global _start .text _start: ldr sp,=4095 bl init_sdram bl read_nand_to_sdram ldr sp,=0x34000000 ldr lr,=loop ldr pc,=main loop: b loop
thankyou,i forgot to disable watchdog，i am careless
Thanks also for posting that you already solved the problem and letting us know the cause of the trouble.