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Altera_Forum's avatar
Altera_Forum
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14 years ago

serial flash EPCS memory on uClinux (no driver found)

Hi,

I'm just trying to configure uClinux to manage Altera EPCS controller.

I follow indications as described in alterawiki mtd devices

but the option

[*]altera spi controller does not apear on my menu config.

Also, the files /drivers/mtd/chips/epcs.h, epcs.c epcs_low epcs_map are not present in the source.

I've got uclinux nios2-linux-20090730.tar kernel 2.6.30 from alterawiki

Does anyone know if uClinux support EPCS memory ?

Should I try linux instead uClinux ?

thanks

2 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    The EPCS flash is just a standard SPI flash device. I think the Linux kernel supports the EPCS flash using the MTD SPI driver for the ST M25Pxx.

    The source code file for this driver is under drivers/mtd/devices/m25p80.c
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    Thanks a lot Bruce,

    I'll try this driver and I'll tell you if I've had success.

    By now my hardware is not ready and it may take a bit.

    bye! :)