Re: [PATCH 3/4] HSMMC: Add support for the second controller

[David Brownell <david-b@pacbell.net>]

On Monday 03 November 2008, Steve Sakoman wrote:
> >
> > I used David's appended patch plus Tony's 4 HSMMC patches.
> >
> > I used version 8.73.7p3 of the Marvell SD8686 firmware and helper
> > binaries and placed them in /lib/firmware.
> 
> I just tried version 9.70.3p24 of the firmware & helper and have
> confirmed that it also works.

Ditto ... at least in terms of "iwlist scan" finding a decent set
of networks.  I think something probably should be done to keep
that chip powered down when it's not in use; it's quite toasty.
I'm not sure whether that issue comes from the libertas driver,
the SDIO stack, or somewhere else (hsmmc glue).


> This version is much more easily available from the Marvell site.  Go to:
> 
> http://www.marvell.com/drivers/search.do
> 
> Select "Network Controller" for device type (it's the only choice),
> and "Linux 2.6 - Fedora" for the OS.
> 
> You will then be offered two choices, pick
> SD-8686-LINUX26-SYSKT-9.70.3.p24-26409.P45-GPL.  Extract (and then
> extract the tar image contained within) and look in the FWImage
> directory.  Copy both .bin files to your omap system's /lib/firmware
> directory and rename helper_sd.bin to sd8686.bin.

Or, for the record, add them to your kernel "firmware" directory
and using Kconfig set

CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE="sd8686_helper.bin sd8686.bin"
CONFIG_EXTRA_FIRMWARE_DIR="firmware"

It adds some bloat to the kernel (128+ KBytes) but is painless
in terms of rootfs configuration.

- Dave


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