-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Somebody in the thread at some point said: | On 28/04/2008, Werner Almesberger <[EMAIL PROTECTED]> wrote: |> > Basically a form of SDIO multiplexing. |> > Other options would be SPI. |> |> |> We once asked Samuel about SPI, and he said that it would be slower, |> but still good enough. (In real life, the theoretically possible |> maximum speed is rarely reached anyway.) |> |> Without digging through the Atheros driver, I don't know how much work |> it would be to put it on SPI. If the abstraction is clean, it could be |> very simple. If not, a pain. | | You'd need to also adapt the mmc/sd stack in linux/drivers/mmc/ to use | the SPI mode because it's not supported by linux at the moment. In | this mode different MMC commands are allowed and the state machine is | a little different. There may already be patches available somewhere.
I think we propose to just move WLAN interface to native SPI, leave MMC / SD using native SDIO interface from S3C2442. So no need for considering the SPI mode of MMC commands. - -Andy -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAkgVuEwACgkQOjLpvpq7dMqS5ACeN4K4YyfTe3QvXeY1jESrkYYL Dx4Amwcc8DL1kzpduw3CBdoQ7DkP2xZ3 =twgK -----END PGP SIGNATURE----- _______________________________________________ hardware mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/hardware
