Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

09/07/2022

ZM 11:28 AM Software Development: RE: MitySOM-5CSX-H6-4YA Linux kernel 5.15 QSPI NOR Flash access

Good to hear; you're welcome! Zachary Miller

MJ 09:43 AM Software Development: RE: MitySOM-5CSX-H6-4YA Linux kernel 5.15 QSPI NOR Flash access

Hi
That works with *socfpga.dtsi* from 5.15.30-lts (and no *skeleton.dtsi* required).
I can now erase, write and read the QSPI NOR Flash.
Thanks a lot.
Mathew Jones

09/06/2022

ZM 12:29 PM Software Development: RE: MitySOM-5CSX-H6-4YA Linux kernel 5.15 QSPI NOR Flash access

Hi Matthew,
Give it a try with the @socfpga.dtsi@ from Altera's @socfpga-5.15.30-lts@ branch instead (you won't need @skeleton.dtsi@ anymore either). The compatible string for the QSPI controller changed, but the driver _also_ still a... Zachary Miller

09/05/2022

MJ 11:09 AM Software Development: RE: MitySOM-5CSX-H6-4YA Linux kernel 5.15 QSPI NOR Flash access

Hi,
Thanks Zachary,
Yes CONFIG_MTD_SPI_NOR is set to [y] (as is ARCH_INTEL_SOCFPGA, which initially caught me out as it's was no longer ARCH_SOCFPGA).
I've attached a zip file containing our 5.15.30-lts kernel config and the device ... Mathew Jones

09/02/2022

ZM 07:27 PM Software Development: RE: MitySOM-5CSX-H6-4YA Linux kernel 5.15 QSPI NOR Flash access

Hi Matthew,
It looks like @CONFIG_MTD_M25P80@ has been superseded by @CONFIG_MTD_SPI_NOR@, which should already be enabled in the stock 5CSx defconfig from our @socfpga-4.9.78-ltsi@ branch.
Could you post your kernel config and dev... Zachary Miller

08/31/2022

MJ 01:57 PM Software Development: MitySOM-5CSX-H6-4YA Linux kernel 5.15 QSPI NOR Flash access

Hi,
We’re using the MitySOM-5CSX-H6-4YA and previously we used the Linux kernel 3.16.0 as supplied by CriticalLink, but this time we need to use a more recent kernel (5.13 or later).
I've taken the kernel 5.15.30-lts source from "Alter... Mathew Jones