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Zak's avatar
Zak
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5 years ago

Generic Serial Flash Interface (GSFI) automatic polling on write operation

Hello everyone, I'm successfully using the Generic Serial Flash Interface (GSFI) to write/read from a MT25QL256 flash in Quad mode, 4-byte addressing (1-4-4 protocol). The firmware bootcopier als...
YuanLi_S_Intel's avatar
YuanLi_S_Intel
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,


I think you may want to poll the command to keep on reading flag status register until the busy is over. Executing 1 time might not be sufficient.




Zak's avatar
Zak
Icon for New Contributor rankNew Contributor
5 years ago

Hi,

yes that's what I'm doing, as I said in my first message. That's software polling.

However the GSFI peripheral has the ability to perform hardware polling. The peripheral itself can automatically poll a specified flash register in order to automatically check if the write process is done.

That's what is not working in my design.

I'd like to know how to configure it in order to do hardware polling, since I followed the user guide and the example but It doesn't work in the intended way.