(on the doc the story talk about boot in usb mode, it's not the method for falsh usb mode.
No ambarella come with a mini booloader in the chip triger by a combinaison of gpio pinout. Result: No led, no boot the board is burn? I had tested the ambatool and the nand memory in situe.įor test the program read and write the nand.crash of system pattern etc. My original problem was no linux boot and i had an error 3, firmware upgrade in loop. This tool can make erase nand, test nand test ram etc. You can use this tools when the chip boot on the arm RTOS. I have discover the ambatools inside the loader firmware with the uart0 interface.