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OMAP-L138 : DSP and ARM stops when PROC_Start ( ) is called and only after a software reset

Laurent RUPIN
Prodigy 40 points
Other Parts Discussed in Thread: OMAP-L138Hi, We use : OMAP-L138_arm_1_00_00_11 DaVinci-PSP-SDK-03.20.00.11 dsplink_linux_1_65_00_02 bios_5_41_02_14 biosutils_1_02_02 cg6x_6_1_9 c674x_dsplib_v12 pspdrivers_01_30_01 xdais_6_25_01_08 xdctools_3_16_01_27 On our board, we have 2 flashs and 2 rootfs, 1 per flash. The rootfs is different in the 2 flashs. We switch the banks and then call the command reboot of the busybox to make a software reset. The board boots and the file system of the other flash is mounted. One of the applications loads the firmware for the DSP and starts it by the function PROC_Start ( ). Then, DSP and ARM stops a few cycles later. We do not understand why ? Thanks a lot for your ideas and suggestions.