On 07/04/16 17:11, David Fernandez wrote:
On 07/04/16 11:54, David Fernandez wrote:
On Thu, 7 Apr 2016 00:07:00 +0200, Sebastian Kemper
<[email protected]> wrote:
On Wed, Apr 06, 2016 at 05:12:28PM +0100, David Fernandez wrote:
>Hi there,
>
>This might be a silly thing, but, after enabling the following
>(menuconfig, see below), I can't yet see any /dev that resembles
any sd
>card or storage device:
>
>Kernel Modules
>+-Other Modules
>| +-<*> kmod-mvsdio (which enables _*_ kmod-mmc)
>+-Filesystems
> +-<*> kmod-fs-ext4
>
>Is there something else I should enable?
Hi David,
I install the following to mount a USB stick with an ext2 partition:
kmod-usb-storage block-mount kmod-fs-ext4 e2fsprogs
Try if that does it for you.
Bye
Sebastian
Tried that, but no sd-card yet.
Managed to make it work by configuring the kernel separately with make
kernel_menuconfig!
Seems that something is missing in make menuconfig connection to
kernel config... unless somebody can tell which parameters should be
enabled with make menuconfig to get the SD/MMC working in ClearFog A1.
After some investigation about what is the bits required and the bits
that don't get enabled without kernel_menuconfig, this is my conclusion:
1. The kmod_mmc in menuconfig enables "Device Drivers" \ "MMC/SD/SDIO
card support" \ "MMC block device driver", and inside it: "(8) number of
Minors per block device", and "Use bounce buffer for simple hosts".
2. The bit missing is: "Device Drivers" \ "MMC/SD/SDIO card support" \
"Secure Digital Host Controller Interface support", and inside it:
"SDHCI platform and OF driver helper", which allows to enable the upper
level "Marvell MMP2 SD Host Controller support (PXAV3)" which does the
trick for ClearFogA1 (there are other more generic Marvell MMC Host
controller and the like, but they don't work despite looking like more
probable choices).
So I guess this is something to consider fixing in the menuconfig tool.
Regards
David F.
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