7. ACME SYSTEMS Netus G20

Code Listing 2.1: Board Specifications

# CPU Atmel AT91SAM9G20 based on ARM926EJ-S with clock speed of 400MHz.
# 64MBytes of SDRAM with 32bit access.
# 8MBytes of Dataflash.
# Size 40x40mm. Weight 10g.
# Operative temperature range: -20º + 70º
# Four 60 pin connectors (0.8mm pitch) with the following signals available on top and bottom sides (see the pinout)
  # One USB 2.0 Full Speed (12 Mbits per second) Device Port.
  # Two USB 2.0 Full Speed (12 Mbits per second) Host Ports.
  # One Ethernet MAC 10/100 Base T Port.
  # Image Sensor Interface (ITU-R BT. 601/656 12 bit).
  # One Two-slot MultiMedia Card Interface (MCI). SDCard/SDIO and MultiMediaCard(TM) Compliant.
  # Four Universal Synchronous/Asynchronous Receiver Transmitters (USART) with RS485 support.
  # Two 2-wire UARTs.
  # Two Master/Slave Serial Peripheral Interfaces (SPI).
  # One Synchronous Serial Controller (SSC). I2S Analog Interface Support.
  # Two Wire Interface
  # Four-channel 10-bit ADC.
  # 80 general purpose I/O lines multiplexed with up to two peripheral I/Os.
    # Individually Programmable Open-drain, Pull-up Resistor and Synchronous Output.
    # All I/O Lines are Schmitt Trigger when programmed as inputs.
    # Input Change Interrupt Capability on Each I/O Line.
  # Serial 2 wire console port.
  # JTAG Console and Boundary Scan on All Digital Pins (IEEE(R) 1149.1).
# Two Three-channel 16-bit Timer/Counters with PWM Generation.
# Watchdog timer.
# Real-time clock (optional external battery backup).
# Very Slow Clock Operating Mode.

Code Listing 3.1: CPU Info

netusg20 / # cat /proc/cpuinfo
Processor    : ARM926EJ-S rev 5 (v5l)
BogoMIPS    : 197.83
Features    : swp half thumb fastmult edsp java
CPU implementer    : 0x41
CPU architecture: 5TEJ
CPU variant    : 0x0
CPU part    : 0x926
CPU revision    : 5

Hardware    : Atmel AT91SAM9G20-EK
Revision    : 0000
Serial        : 0000000000000000

Code Listing 4.1: Kernel messages

Linux version 2.6.31-gentooGentooNETUSembedded (root@localhost) (gcc version
4.3.3 (Gentoo 4.3.3 p1.0, pie-10.1.5) ) #29 Fri Oct 16 12:00:28 CEST 2009
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: Atmel AT91SAM9G20-EK
Memory policy: ECC disabled, Data cache writeback
On node 0 totalpages: 16384
free_area_init_node: node 0, pgdat c04046a0, node_mem_map c0426000
  Normal zone: 128 pages used for memmap
  Normal zone: 0 pages reserved
  Normal zone: 16256 pages, LIFO batch:3
Clocks: CPU 396 MHz, master 132 MHz, main 18.432 MHz
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: mem=64M console=ttyS0,115200 rootdelay=5
root=/dev/mmcblk0p1 rw rootfstype=reiserfs rootflags=data=writeback
init=/sbin/init nodevfs
PID hash table entries: 256 (order: 8, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 60652KB available (3840K code, 256K data, 108K init, 0K highmem)
Hierarchical RCU implementation.
NR_IRQS:192
AT91: 96 gpio irqs in 3 banks
Console: colour dummy device 80x30
console [ttyS0] enabled
Calibrating delay loop... 197.83 BogoMIPS (lpj=989184)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
tcb_clksrc: tc0 at 16.012 MHz
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
Bluetooth: Core ver 2.15
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
NET: Registered protocol family 2
Switched to high resolution mode on CPU 0
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
NET: Registered protocol family 1
squashfs: version 4.0 (2009/01/31) Phillip Lougher
NTFS driver 2.1.29 [Flags: R/W].
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
JFS: nTxBlock = 474, nTxLock = 3795
msgmni has been set to 118
io scheduler noop registered
io scheduler deadline 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
atmel_usart.3: ttyS3 at MMIO 0xfffb8000 (irq = 8) is a ATMEL_SERIAL
atmel_usart.4: ttyS4 at MMIO 0xfffd0000 (irq = 23) is a ATMEL_SERIAL
brd: module loaded
loop: module loaded
ssc ssc.0: Atmel SSC device at 0xc48d8000 (irq 14)
PPP generic driver version 2.4.2
MACB_mii_bus: probed
eth0: Atmel MACB at 0xfffc4000 irq 21 (3a:1f:34:08:54:54)
eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=ffffffff:00,
irq=-1)
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
at91_ohci at91_ohci: AT91 OHCI
at91_ohci at91_ohci: new USB bus registered, assigned bus number 1
at91_ohci at91_ohci: irq 20, io mem 0x00500000
usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: AT91 OHCI
usb usb1: Manufacturer: Linux 2.6.31-gentooGentooNETUSembedded ohci_hcd
usb usb1: SerialNumber: at91
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver libusual
mice: PS/2 mouse device common for all mice
usbcore: registered new interface driver xpad
xpad: X-Box pad driver
at91_rtt: dev (254:0)
rtc-at91sam9 at91_rtt.0: rtc core: registered at91_rtt as rtc0
IRQ 1/rtc0: IRQF_DISABLED is not guaranteed on shared IRQs
i2c /dev entries driver
at24 0-0050: 65536 byte 24c512 EEPROM (writable)
i2c-gpio i2c-gpio: using pins 55 (SDA) and 56 (SCL)
AT91SAM9 Watchdog: sorry, watchdog is disabled
at91_wdt: probe of at91_wdt failed with error -5
Bluetooth: HCI UART driver ver 2.2
Bluetooth: HCI H4 protocol initialized
Bluetooth: HCI BCSP protocol initialized
Bluetooth: HCILL protocol initialized
Bluetooth: Generic Bluetooth USB driver ver 0.5
usbcore: registered new interface driver btusb
at91_mci at91_mci: 4 wire bus mode not supported - using 1 wire
Registered led device: ds5
Registered led device: ds1
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
TCP cubic registered
NET: Registered protocol family 10
IPv6 over IPv4 tunneling driver
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
rtc-at91sam9 at91_rtt.0: readtime: 2009-09-19 14:56:38
rtc-at91sam9 at91_rtt.0: setting system clock to 2009-10-19 14:56:38 UTC
(1255964198)
Waiting 5sec before mounting root device...
usb 1-2: new full speed USB device using at91_ohci and address 2
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new SDHC card at address 8fe4
mmcblk0: mmc0:8fe4 SU04G 3.69 GiB
 mmcblk0: p1
usb 1-2: New USB device found, idVendor=1370, idProduct=0323
usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-2: Product: pitchBLACK
usb 1-2: Manufacturer: Swissbit
usb 1-2: SerialNumber: 000010004269FR0002b5
usb 1-2: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
REISERFS (device mmcblk0p1): found reiserfs format "3.6" with standard
journal
REISERFS (device mmcblk0p1): using writeback data mode
REISERFS (device mmcblk0p1): journal params: device mmcblk0p1, size 8192,
journal first block 18, max trans len 1024, max batch 900, max commit age
30, max trans age 30
REISERFS (device mmcblk0p1): checking transaction log (mmcblk0p1)
REISERFS (device mmcblk0p1): Using r5 hash to sort names
VFS: Mounted root (reiserfs filesystem) on device 179:1.
Freeing init memory: 108K
eth0: link up (100/Full)
eth0: no IPv6 routers present