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Is it necessary to have the NOR Flash for booting

Question asked by Aditya Nagal on May 19, 2017
Latest reply on May 22, 2017 by Aditya Nagal

Hi ,

 

We are designing a IMX6 solo based custom board . We are using Nand Flash as storage device for keeping firmware(rootfs , kernel , uboot ). As the Nand Flash does not support XIP(execution in place)  , so no instruction can be executed directly from the NAND Flash. NOR flash supports the XIP. My questions are as follows:

 

1. Does the NOR Flash necessary for  booting ?

2. What if I used the SPL in booting process , what are the prons and cons of using SPL.

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