친절하게도 보드 우상단에 "UART"라고 써 있으며 포트 번호도 붙어 있습니다.
Portmap
3 - TX
9 - RX
11,12 - GND
Baud rate
115200
Bootlog
AP99 (ar7241 - Virian) U-boot DRAM: sri ar7240_ddr_initial_config(0x5300): virian ddr1 init #### TAP VALUE 1 = 0x2, 2 = 0x2 [0x400a00: 0x0] 64 MB Top of RAM usable for U-Boot at: 84000000 Reserving 267k for U-Boot at: 83fbc000 Reserving 192k for malloc() at: 83f8c000 Reserving 44 Bytes for Board Info at: 83f8bfd4 Reserving 36 Bytes for Global Data at: 83f8bfb0 Reserving 128k for boot params() at: 83f6bfb0 Stack Pointer at: 83f6bf98 Now running in RAM - U-Boot at: 83fbc000 Device ID 0xc22018 Detected flash is not SST : 0x18 id read 0x100000ff sector count = 256 Flash: 16 MB In: serial Out: serial Err: serial Net: ag7240_enet_initialize... Fetching MAC Address from 0x83fea8f0 Fetching MAC Address from 0x83fea8f0 Virian MDC CFG Value ==> 4 : cfg1 0xf cfg2 0x7014 eth0: 00:03:7f:14:06:84 Virian MDC CFG Value ==> 4 : cfg1 0xf cfg2 0x7214 eth1: 00:03:7f:14:06:85 eth0, eth1 Hit any key to stop autoboot: 0 Check Booting Partition : #### 1 #### OK ## Booting image at 9f050100 ... Image Name: Linux Kernel Image Created: 2013-07-27 8:13:40 UTC Image Type: MIPS Linux Kernel Image (lzma compressed) Data Size: 774716 Bytes = 756.6 kB Load Address: 80002000 Entry Point: 8020f000 Verifying Checksum ... OK Uncompressing Kernel Image ... OK No initrd ## Transferring control to Linux (at address 8020f000) ... ## Giving linux memsize in bytes, 67108864 Starting kernel ... Booting AR7240(Python)... Linux version 2.6.15--LSDK-7.3.1.52 (joseph.chung@localhost.localdomain) (gcc ve rsion 3.4.4) #1 Sat Jul 27 17:13:22 KST 2013 flash_size passed from bootloader = 16 linux_env[0]:memsize=67108864 linux_env[1]:initrd_start=0xA0000000 linux_env[2]:initrd_size=0x0 linux_env[3]:flash_start=0x9F000000 linux_env[4]:flash_size=0x1000000 linux_env passed from bootloader = (0xa3f6c490) arg 1: console=ttyS0,115200 arg 2: root=31:03 arg 3: rootfstype=jffs2 arg 4: init=/sbin/init arg 5: mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),768k(uImage),3712k(root fs),3136k(dummy),7616k(upgrade),640k(sysconf),128k(NVRAM),64k(ART) arg 6: mem=64M CPU revision is: 00019374 Determined physical RAM map: memory: 02000000 @ 00000000 (usable) User-defined physical RAM map: memory: 04000000 @ 00000000 (usable) Built 1 zonelists Kernel command line: console=ttyS0,115200 root=31:03 rootfstype=jffs2 init=/sbin /init mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),768k(uImage),3712k(rootf s),3136k(dummy),7616k(upgrade),640k(sysconf),128k(NVRAM),64k(ART) mem=64M Primary instruction cache 64kB, physically tagged, 4-way, linesize 32 bytes. Primary data cache 32kB, 4-way, linesize 32 bytes. Synthesized TLB refill handler (20 instructions). Synthesized TLB load handler fastpath (32 instructions). Synthesized TLB store handler fastpath (32 instructions). Synthesized TLB modify handler fastpath (31 instructions). Cache parity protection disabled PID hash table entries: 512 (order: 9, 8192 bytes) Using 200.000 MHz high precision timer. Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 61896k/65536k available (1728k kernel code, 3584k reserved, 367k data, 1 40k init, 0k highmem) Mount-cache hash table entries: 512 Checking for 'wait' instruction... available. NET: Registered protocol family 16 PCI init:ar7240_pcibios_init SCSI subsystem initialized Returning IRQ 48 TC classifier action (bugs to netdev@vger.kernel.org cc hadi@cyberus.ca) AR7240 GPIOC major 0 JFFS2 version 2.2. (C) 2001-2003 Red Hat, Inc. Initializing Cryptographic API io scheduler noop registered io scheduler deadline registered Serial: 8250/16550 driver $Revision: #2 $ 1 ports, IRQ sharing disabled serial8250.0: ttyS0 at MMIO 0x0 (irq = 19) is a 16550A RAMDISK driver initialized: 1 RAM disks of 8192K size 1024 blocksize loop: loaded (max 8 devices) 9 cmdlinepart partitions found on MTD device ar7240-nor0 Creating 9 MTD partitions on "ar7240-nor0": 0x00000000-0x00040000 : "u-boot" 0x00040000-0x00050000 : "u-boot-env" 0x00050000-0x00110000 : "uImage" 0x00110000-0x004b0000 : "rootfs" 0x004b0000-0x007c0000 : "dummy" 0x007c0000-0x00f30000 : "upgrade" 0x00f30000-0x00fd0000 : "sysconf" 0x00fd0000-0x00ff0000 : "NVRAM" 0x00ff0000-0x01000000 : "ART" GACT probability on u32 classifier Perfomance counters on input device check on Actions configured NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 4096 (order: 2, 16384 bytes) TCP bind hash table entries: 4096 (order: 2, 16384 bytes) TCP: Hash tables configured (established 4096 bind 4096) TCP reno registered FNAT Initialize ... Hash Size: 32768 TCP bic registered NET: Registered protocol family 1 NET: Registered protocol family 17 802.1Q VLAN Support v1.8 Ben GreearAll bugs added by David S. Miller arch/mips/ar7240/gpio.c (ar7240_simple_config_init) JUMPSTART_GPIO: 11 ar7240wdt_init(Jul 27 2013): Registering WDT (Minor:130)success ar7240wdt_init(YWHWANG_PATCH): last is 1,ar7240_ahb_freq is 200000000Hz,SETTIME_ MAX_VAL is 21474836 us VFS: Mounted root (jffs2 filesystem) readonly. Freeing unused kernel memory: 140k freed init started: BusyBox v1.01 (2013.07.27-08:13+0000) multi-call binary init started: BusyBox v1.01 (2013.07.27-08:13+0000) multi-call binary AG7240: Length per segment 1536 AG7240: Max segments per packet 1 AG7240: Max tx descriptor count 40 AG7240: Max rx descriptor count 252 AG7240: fifo cfg 3 01f00140 AG7240CHH: Mac address for unit 1 AG7240CHH: 00:08:5b:76:43:7b igmp netlink socket create sucess lnxnvram: module license 'unspecified' taints kernel. NVRAM-driver Rev : 1.0.1, LG Electorinics. ath_hal: 0.9.17.1 (AR5416, DEBUG, REGOPS_FUNC, WRITE_EEPROM, 11D) wlan: 0.8.4.2 (Atheros/multi-bss) ath_rate_atheros: Copyright (c) 2001-2005 Atheros Communications, Inc, All Rights Reserved ath_dev: Copyright (c) 2001-2007 Atheros Communications, Inc, All Rights Reserved ath_pci: 0.9.4.5 (Atheros/multi-bss) wifi0: Atheros 9287: mem=0x10000000, irq=48 hw_base=0xb0000000 wlan: mac acl policy registered wlan_me: Version 0.1 Copyright (c) 2008 Atheros Communications, Inc. All Rights Reserved usbcore: registered new driver usbfs usbcore: registered new driver hub Port Status c000004 ar7240-ehci ar7240-ehci.0: ATH EHCI ar7240-ehci ar7240-ehci.0: new USB bus registered, assigned bus number 1 ar7240-ehci ar7240-ehci.0: irq 3, io mem 0x1b000000 hcc_params addr 0xbb000108 val 0x6 hcs_params addr 0xbb000104 val 0x10011 ar7240-ehci ar7240-ehci.0: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (ar7240_ohci)block sizes: ed 64 td 64 Initializing USB Mass Storage driver... usbcore: registered new driver usb-storage USB Mass Storage support registered. ifconfig eth0 up SIOCGIFFLAGS: No such device ifconfig eth1 up SIOCGIFFLAGS: No such device ifconfig lo inet 127.0.0.1 netmask 255.0.0.0 (none) mips #1 Sat Jul 27 17:13:22 KST 2013 (none) (none) login: ### Soft rest!!!! mac:peth0 unit:1 (980)ag7240_hw_setup enabling the header of S26 AG7240:LAN dev:peth0 port_status:00000 phy:3 link down --### MAC dev:peth0 is down, flags:1(mac up), 1(running), 0(carrier) AG7240:LAN dev:peth0 port_status:00000 phy:2 link down --### MAC dev:peth0 is down, flags:1(mac up), 1(running), 0(carrier) AG7240:LAN dev:peth0 port_status:00000 phy:1 link down --### MAC dev:peth0 is down, flags:1(mac up), 1(running), 0(carrier) AG7240:LAN dev:peth0 port_status:00000 phy:0 link down --### MAC dev:peth0 is down, flags:1(mac up), 1(running), 0(carrier) device ath0 entered promiscuous mode device ath1 entered promiscuous mode eth1: Setting MAC address to 00 08 5b 76 43 78. device peth0 entered promiscuous mode VLAN (eth1): Setting underlying device (peth0) to promiscious mode. eth1: dev_set_promiscuity(master, 1) device eth1 entered promiscuous mode ######## [2] ioctl fail cmd:8946 ret:-22 (3815)ag7240_do_ioctl ######## [1] ioctl fail cmd:8946 ret:-22 (3815)ag7240_do_ioctl ######## [0] ioctl fail cmd:8946 ret:-22 (3815)ag7240_do_ioctl br0: port 2(ath1) entering learning state br0: port 1(ath0) entering learning state syslog: WAN Link Down syslog: arpspoof disable br0: topology change detected, propagating br0: port 2(ath1) entering forwarding state br0: topology change detected, propagating br0: port 1(ath0) entering forwarding state