Atheros AR600x driver + build glue

chromeos/drivers/ath6kl/hif/sdio/linux_sdio/nativemmcstack_readme.txt

+HIF support for native Linux MMC Stack.
+paull@atheros.com
+
+11/6/09
+Added patches for the MMC stacks Standard Host Controller for 2.6.30 and 2.6.32
+Patches enable ENE board support and speed up transfers for any Standard Host Controller
+linux2.6.30_mmc_std_host.patch
+linuxMMC_std_host_2.6.32-rc5sdio.patch
+
+
+2/18/2009
+Added patch for Freescale MX35 SD host driver. tested with SD25 AR6102 Olca 2.1.2
+
+12/18/2008
+Tested on Freescale MX27 and OMAP3530 Beageleboard Linux ver 2.6.28
+adds DMA bounce buffer support
+hif.c ver 5 and hif.h ver 4 are for the old HTC/HIF interface and shouold be useable with 2.1 drivers
+ver 6 and 5 are for the new HTC/HIF interface
+For older Linux MMC stack versions, comment out in hif.c hifDeviceInserted() the lines:
+    /* give us some time to enable, in ms */
+    func->enable_timeout = 100;
+it is only required on some platforms, eg Beagleboard.
+
+7/18/2008
+
+a. tested on Fedora Core 9 kernel 2.6.25.6, x86 with ENE standrad host controller,using the Olca 2.1.1RC.15
+b. requires applying the linux2.6.25.6mmc.patch to the kernel drivers/mmc directory
+c. through put is 20-22mbs up/down link
+d. new platform type is:
+        ATH_PLATFORM=LOCAL_i686_NATIVEMMC-SDIO
+        TARGET_TYPE=AR6002
+e. known issues: unloading the driver on Fedora Core 9 after conecting to an AP seems to not be complete.
+
+
+