Difference [hi3521] boot startup mode of nand flash?

spi nand flash the boot boot mode selection. 0: 1 line Boot; 1:. 4 line boot. Excuse me, 1 and 4-wire line boot boot What difference does it make? How to choose?
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mengxp	2#     16:41:49 published in 2018-5-3  |  This Author Line 1 is an IO. Line 4 is 4 IO. 4 line faster. But here with 1 or 4, you need to see to configure SPI NAND chips such as default on SPI NAND device is powered mode is 1-wire SPI mode, where you will boot startup mode must be set to 1 line. For example, after a point on the NAND SPI mode is the default device 4 wire SPI mode, where you have to set four lines. In short, use 1 or 4, depending on your SPI NAND device selection.
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3#     Landlord |  Posted 16:04:03 2018-8-2  |  This Author mengxp published in 2018-5-3 16:41 1 line is an IO. Line 4 is 4 IO. 4 line faster. But here with 1 or 4, you need to see to configure SPI NAND chips such as SPI NAN ...

Reproduced in: https: //www.cnblogs.com/duwenqidu/p/11057154.html