[meta-xilinx] ZynqMP ZCU102 booting Linux from jffs2

[Oleg K Dzhimiev]

Builds for me w/o errors.

meta-xilinx: deb6e31b0076632d4aa9377f121d9e47a5949d67
yocto 2.1:    4e889c04ba518dac492c193224a790a877f43f40
machine: zcu102-zynqmp
OS - Kubuntu 16.04

xilinx_zynqmp_zcu102.h:

> ...
> #define CONFIG_MTD_PARTITIONS
> #define CONFIG_CMD_MTDPARTS
> #define CONFIG_MTD_DEVICE
> #define CONFIG_CMD_JFFS2
>
> #define CONFIG_MTD
> #define CONFIG_SPI_FLASH_MTD
>
> #include <configs/xilinx_zynqmp.h>
>
> #undef CONFIG_CMD_FS_GENERIC
> ...



On 22 July 2016 at 11:05, Adam Oleksy <adam.oleksy at gmail.com> wrote:

> Hi,
> I work with ZynqMP ZCU102 evaluation board. I use U-Boot from tag
> xilinx-v2016.1. Currently, linux image lies on the QSPI flash as a raw
> file. uboot load this image using sf read command and boot it up.
> I would like to use jffs2 (ubifs has some problems with flashes on
> qspi in dual) to store linux image, but I encountered some problems.
> First of all I've added following defines to
> include/configs/xilinx_zynqmp.h:
> #define CONFIG_MTD_PARTITIONS
> #define CONFIG_CMD_MTDPARTS
> #define CONFIG_MTD_DEVICE
> #define CONFIG_CMD_JFFS2
> and removed
> #define CONFIG_CMD_FS_GENERIC
> I've also enabled
> CONFIG_MTD
> CONFIG_SPI_FLASH_MTD
> But I've end up with following linking error:
> u-boot-xlnx/fs/jffs2/jffs2_1pass.c:373: undefined reference to `flash_info'
> I understand that driver which I use, does not declare such structure.
> The question is:
> How to enable jffs2 commands (like fsload), and allow using them with
> SPI flashes? Maybe I forgot about something.
> If there is no support for such configuration, what do you think about
> adding it to uboot? Do you think it is easy (unfortunately I'm not
> familiar with u-boot code). If yes, then I would add it by myself.
>
> --
> Pozdrawiam,
> Adam Oleksy
> --
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> meta-xilinx mailing list
> meta-xilinx at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/meta-xilinx
>



-- 
Best regards,
Oleg Dzhimiev
Electronics Engineer
phone: +1 801 783 5555 x124
Elphel, Inc.
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