Hi there,

We don't have GPMI driver unfortunately. You'll have to write one from scratch. 
I suggest you doing the CAmkES timer tutorial[1] first, to get an
idea of how to gain access of the device memory and IRQ from seL4. Then, read 
the i.MX7 processor reference manual[2] (chapter 9.6) to understand
how GPMI controller works. You could simply modify the .camkes file in the 
timer tutorial to have something to start with. You could also use the
U-boot driver[3] as a reference.

Regards,
Siwei

[1]. https://docs.sel4.systems/Tutorials/hello-camkes-timer.html
[2]. 
https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i-mx-applications-processors/i-mx-7-processors/i-mx-7dual-processors-heterogeneous-processing-with-dual-arm-cortex-a7-cores-and-cortex-m4-core:i.MX7D?tab=Documentation_Tab
[3]. 
https://gitlab.denx.de/u-boot/u-boot/-/blob/master/drivers/mtd/nand/raw/mxs_nand.c

________________________________________
From: Devel <devel-bounces@sel4.systems> on behalf of mrshaf...@aut.ac.ir 
<mrshaf...@aut.ac.ir>
Sent: Thursday, 10 September 2020 9:32 PM
To: devel@sel4.systems
Subject: [seL4] imx gmpi nand controller for use nand flash

hi.
Is there any GPMI NAND Flash driver example on camkes? i'm worked on imx7d for 
my university project but i didn't find any example for use NAND Flash and use 
it for store data. can you help me? i can port any other gpmi driver to imx7 
but is there exists ? can someone help me?

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