RT-N12/D1
Board
1.-->GND 2.-->RXD 3.-->TXD 4.-->+3.3V
/proc info
cat /proc/meminfo
root@DD-WRT:/proc# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 26787840 13647872 13139968 0 1306624 4194304
Swap: 0 0 0
MemTotal: 26160 kB
MemFree: 12832 kB
MemShared: 0 kB
Buffers: 1276 kB
Cached: 4096 kB
SwapCached: 0 kB
Active: 1122 kB
Inactive: 541 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 26160 kB
LowFree: 12832 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
Mapped: 214 kB
Slab: 129 kB
CommitLimit: 13080 kB
Committed_AS: 3264 kB
PageTables: 1343 kB
VmallocTotal: 1015800 kB
VmallocUsed: 20 kB
VmallocChunk: 1015760 kB
cat /proc/devices
root@DD-WRT:/proc# cat /proc/devices Character devices: 1 mem 2 pty 3 ttyp 4 ttyS 5 /dev/tty 5 /dev/console 5 /dev/ptmx 10 misc 90 mtd 108 ppp 127 gpio 128 ptm 136 pts 229 nvram 254 devfs Block devices: 31 mtdblock
cat /proc/vmstat
root@DD-WRT:/proc# cat /proc/vmstat nr_free_pages 3178 nr_inactive 541 nr_active 1138 nr_anon_pages 338 nr_mapped 258 nr_file_pages 1343 nr_dirty 0 nr_writeback 0 nr_slab_reclaimable 129 nr_slab_unreclaimable 1455 nr_page_table_pages 45 nr_unstable 0 nr_bounce 0 nr_vmscan_write 0
cat /proc/iomem
root@DD-WRT:/proc# cat /proc/iomem 00000000-01ffffff : System RAM 00001000-00371a13 : Kernel code 00371a14-004c90bf : Kernel data
cat /proc/cpuinfo
root@DD-WRT:/proc# cat /proc/cpuinfo system type : Broadcom BCMD144 chip rev 1 processor : 0 cpu model : MIPS 74K V4.9 BogoMIPS : 149.91 wait instruction : no microsecond timers : yes tlb_entries : 32 extra interrupt vector : no hardware watchpoint : yes ASEs implemented : mips16 dsp shadow register sets : 1 VCED exceptions : not available VCEI exceptions : not available dcache hits : 2147483648 dcache misses : 4025974527 icache hits : 2147483648 icache misses : 2129788862 instructions : 2147483648
cat /proc/partitions
root@DD-WRT:/proc# cat /proc/partitions major minor #blocks name 31 0 128 mtdblock0 31 1 8000 mtdblock1 31 2 1989 mtdblock2 31 3 64 mtdblock3 31 4 4608 mtdblock4
cat /proc/kmsg
<5>Linux version 2.6.24.111 (root@dd-wrt) (gcc version 4.1.2) #9550 Mon Mar 19 00:53:46 CET 2012 <4>CPU revision is: 00019749 <4>Found a 8MB ST compatible serial flash <4>Determined physical RAM map: <4> memory: 02000000 @ 00000000 (usable) <7>Entering add_active_range(0, 0, 8192) 0 entries of 256 used <4>Zone PFN ranges: <4> Normal 0 -> 8192 <4> HighMem 8192 -> 8192 <4>Movable zone start PFN for each node <4>early_node_map[1] active PFN ranges <4> 0: 0 -> 8192 <7>On node 0 totalpages: 8192 <7> Normal zone: 0 pages used for memmap <7> Normal zone: 0 pages reserved <7> Normal zone: 8192 pages, LIFO batch:1 <7> HighMem zone: 0 pages used for memmap <7> Movable zone: 0 pages used for memmap <4>Built 1 zonelists in Zone order. Total pages: 8192 <5>Kernel command line: console=ttyS0,115200 root=1f02 rootfstype=squashfs noinitrd <4>Primary instruction cache 32kB, physically tagged, 4-way, linesize 32 bytes. <4>Primary data cache 32kB, 4-way, linesize 32 bytes. <6>Synthesized TLB refill handler (20 instructions). <6>Synthesized TLB load handler fastpath (32 instructions). <6>Synthesized TLB store handler fastpath (32 instructions). <6>Synthesized TLB modify handler fastpath (31 instructions). <4>PID hash table entries: 256 (order: 8, 1024 bytes) <4>CPU: BCMd144 rev 1 at 300 MHz <4>Using 150.000 MHz high precision timer. <6>console [ttyS0] enabled <6>Dentry cache hash table entries: 4096 (order: 2, 16384 bytes) <6>Inode-cache hash table entries: 2048 (order: 1, 8192 bytes) <6>Memory: 25956k/32768k available (3522k kernel code, 6796k reserved, 1373k data, 188k init, 0k highmem) <7>Calibrating delay loop... 149.91 BogoMIPS (lpj=749568) <4>Mount-cache hash table entries: 512 <6>NET: Registered protocol family 16 <6>Generic PHY: Registered new driver <4>PCI: no core <4>PCI: no core <4>PCI: Fixing up bus 0 <6>NET: Registered protocol family 2 <6>Time: MIPS clocksource has been installed. <6>IP route cache hash table entries: 1024 (order: 0, 4096 bytes) <6>TCP established hash table entries: 1024 (order: 1, 8192 bytes) <6>TCP bind hash table entries: 1024 (order: 0, 4096 bytes) <6>TCP: Hash tables configured (established 1024 bind 1024) <6>TCP reno registered <6>devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au) <6>devfs: boot_options: 0x1 <6>squashfs: version 3.0 (2006/03/15) Phillip Lougher <6>io scheduler noop registered <6>io scheduler deadline registered (default) <6>HDLC line discipline: version $Revision: 4.8 $, maxframe=4096 <6>N_HDLC line discipline registered. <6>Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled <6>serial8250: ttyS0 at MMIO 0x0 (irq = 8) is a 16550A <6>PPP generic driver version 2.4.2 <6>PPP Deflate Compression module registered <6>PPP BSD Compression module registered <6>MPPE/MPPC encryption/compression module registered <6>NET: Registered protocol family 24 <6>PPPoL2TP kernel driver, V1.0 <6>tun: Universal TUN/TAP device driver, 1.6 <6>tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com> <4>et_module_init: passivemode set to 0x0 <7>PCI: Setting latency timer of device 0000:00:02.0 to 64 <4>eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 5.100.138.9 <7>PCI: Setting latency timer of device 0000:00:01.0 to 64 <3>pflash: found no supported devices <0>bootloader size: 131072 <0>nvram size: 32768 <0>sflash: Filesystem type: squashfs, size=0x1ee540 <0>partition size = 2036736 <5>Creating 5 MTD partitions on "sflash": <5>0x00000000-0x00020000 : "cfe" <5>0x00020000-0x007f0000 : "linux" <5>0x0017ec00-0x00370000 : "rootfs" <4>mtd: partition "rootfs" doesn't start on an erase block boundary -- force read-only <5>0x007f0000-0x00800000 : "nvram" <5>0x00370000-0x007f0000 : "ddwrt" <6>Broadcom Watchdog Timer: 0.07 initialized. <4>u32 classifier <4> Actions configured <4>Netfilter messages via NETLINK v0.30. <4>nf_conntrack version 0.5.0 (1024 buckets, 4096 max) <4>ctnetlink v0.93: registering with nfnetlink. <6>IPv4 over IPv4 tunneling driver <6>GRE over IPv4 tunneling driver <6>ip_tables: (C) 2000-2006 Netfilter Core Team <5>ClusterIP Version 0.8 loaded successfully <6>TCP bic registered <6>TCP cubic registered <6>TCP westwood registered <6>TCP highspeed registered <6>TCP hybla registered <6>TCP htcp registered <6>TCP vegas registered <6>TCP scalable registered <6>NET: Registered protocol family 1 <6>NET: Registered protocol family 17 <4>Welcome to PF_RING 3.2.1 <4>(C) 2004-06 L.Deri <deri@ntop.org> <6>NET: Registered protocol family 27 <4>PF_RING: bucket length 128 bytes <4>PF_RING: ring slots 4096 <4>PF_RING: sample rate 1 [1=no sampling] <4>PF_RING: capture TX No [RX only] <4>PF_RING: transparent mode Yes <4>PF_RING initialized correctly. <4>PF_RING: registered /proc/net/pf_ring/ <6>802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com> <6>All bugs added by David S. Miller <davem@redhat.com> <0>decode 1f02 <4>VFS: Mounted root (squashfs filesystem) readonly. <6>Mounted devfs on /dev <6>Freeing unused kernel memory: 188k freed <3>br0: Dropping NETIF_F_UFO since no NETIF_F_HW_CSUM feature.