/*
* MCI (SD/MMC)
*/
static struct at91_mmc_data __initdata ek_mmc_data = {
.slot_b = 0,
.wire4 = 1,
.det_pin = AT91_PIN_PA4,
// .det_pin = ... not connected
// .wp_pin = ... not connected
// .vcc_pin = ... not connected
};

/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);

[dima@laptop linux-2.6.35]$ cat .config | grep MMC
CONFIG_MMC=y
CONFIG_MMC_DEBUG=y
CONFIG_MMC_UNSAFE_RESUME=y
# MMC/SD/SDIO Card Drivers
CONFIG_MMC_BLOCK=y
CONFIG_MMC_BLOCK_BOUNCE=y
CONFIG_MMC_TEST=y
# MMC/SD/SDIO Host Controller Drivers
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_AT91=y
# CONFIG_MMC_ATMELMCI is not set
# CONFIG_MMC_SPI is not set
[dima@laptop linux-2.6.35]$ cat .config | grep AT91
CONFIG_ARCH_AT91=y
CONFIG_HAVE_AT91_DATAFLASH_CARD=y
CONFIG_HAVE_AT91_USART3=y
CONFIG_HAVE_AT91_USART4=y
CONFIG_HAVE_AT91_USART5=y
# Atmel AT91 System-on-Chip
# CONFIG_ARCH_AT91RM9200 is not set
CONFIG_ARCH_AT91SAM9260=y
# CONFIG_ARCH_AT91SAM9261 is not set
# CONFIG_ARCH_AT91SAM9G10 is not set
# CONFIG_ARCH_AT91SAM9263 is not set
# CONFIG_ARCH_AT91SAM9RL is not set
# CONFIG_ARCH_AT91SAM9G20 is not set
# CONFIG_ARCH_AT91SAM9G45 is not set
# CONFIG_ARCH_AT91CAP9 is not set
# CONFIG_ARCH_AT91X40 is not set
CONFIG_AT91_PMC_UNIT=y
# AT91SAM9260 Variants
# CONFIG_ARCH_AT91SAM9260_SAM9XE is not set
# AT91SAM9260 / AT91SAM9XE Board Type
CONFIG_MACH_AT91SAM9260EK=y
# AT91 Board Options
CONFIG_MTD_AT91_DATAFLASH_CARD=y
# AT91 Feature Selections
CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
CONFIG_AT91_TIMER_HZ=100
CONFIG_AT91_EARLY_DBGU=y
# CONFIG_AT91_EARLY_USART0 is not set
# CONFIG_AT91_EARLY_USART1 is not set
# CONFIG_AT91_EARLY_USART2 is not set
# CONFIG_AT91_EARLY_USART3 is not set
# CONFIG_AT91_EARLY_USART4 is not set
# CONFIG_AT91_EARLY_USART5 is not set
CONFIG_AT91SAM9X_WATCHDOG=y
# Atmel devices (AVR32 and AT91)
CONFIG_USB_GADGET_AT91=y
CONFIG_USB_AT91=m
CONFIG_MMC_AT91=y
CONFIG_RTC_DRV_AT91SAM9=y
CONFIG_RTC_DRV_AT91SAM9_RTT=0
CONFIG_RTC_DRV_AT91SAM9_GPBR=0

Calibrating delay loop... 97.89 BogoMIPS (lpj=489472)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
i2c-gpio i2c-gpio: using pins 55 (SDA) and 56 (SCL)
Advanced Linux Sound Architecture Driver Version 1.0.23.
Switching to clocksource pit
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
NetWinder Floating Point Emulator V0.97 (double precision)
fuse init (API version 7.14)
msgmni has been set to 120
io scheduler noop registered (default)
atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL
atmel_usart.1: ttyS1 at MMIO 0xfffb0000 (irq = 6) is a ATMEL_SERIAL
atmel_usart.2: ttyS2 at MMIO 0xfffb4000 (irq = 7) is a ATMEL_SERIAL
ssc ssc.0: Atmel SSC device at 0xc4828000 (irq 14)
atmel_spi atmel_spi.0: Atmel SPI Controller at 0xfffc8000 (irq 12)
mtd_dataflash spi0.0: AT45DB321x (4224 KBytes) pagesize 528 bytes, OTP
Creating 2 MTD partitions on "at45db321d":
0x000000000000-0x000000001080 : "Bootstrap"
0x000000001080-0x000000420000 : "Kernel"
atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffcc000 (irq 13)
macb macb: invalid hw address, using random
MACB_mii_bus: probed
eth0: Atmel MACB at 0xfffc4000 irq 21 (de:5a:7f:18:60:e2)
eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=ffffffff:01, irq=-1)
usbmon: debugfs is not available
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
mice: PS/2 mouse device common for all mice
rtc-at91sam9 at91_rtt.0: rtc core: registered at91_rtt as rtc0
rtc-at91sam9 at91_rtt.0: rtc0: SET TIME!
i2c /dev entries driver
AT91SAM9 Watchdog: sorry, watchdog is disabled
at91_wdt: probe of at91_wdt failed with error -5
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
tlv320aic23b spi1.0: tlv320aic23b: supported bitrate is 48000 (64 divider)
ALSA device list:
#0: AT91SAM9260-EK external DAC on irq 14
TCP cubic registered
NET: Registered protocol family 17
rtc-at91sam9 at91_rtt.0: hctosys: unable to read the hardware clock
Waiting for root device /dev/mmcblk0p1...

printk("*** Driver MCI probe\n");
printk("*** Driver MCI step1\n");
printk("*** Driver MCI step2\n");
printk("*** Driver MCI finish\n");