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本帖最后由 plcplcplc 于 2015-6-24 14:20 编辑
改了几台tplink wr2041n v2 ， QCA9558 ，64M内存，4M flash为16M flash，其他几台正常。
其中一台变砖，现象为：
更换为16Mflash之后，通电先是全部led亮，然后4个lan和1个wlan灯灭，其余灯（前面板左边两个 电源、无线，最右边的安全指示灯，以及后面板的turbo状态指示灯）常亮。此时接TTL线，无输出。
再换回原厂4M flash，通电，现象照旧，此时TTL有输出，ttl显示如下：
U-Boot 1.1.4 (Aug 23 2013 - 15:54:35)
ap135 - Scorpion 1.0DRAM:
sri
Scorpion 1.0
ath_ddr_initial_config(178): (16bit) ddr2 init
tap = 0x00000003
Tap (low, high) = (0xaa55aa55, 0x0)
Tap values = (0x8, 0x8, 0x8, 0x8)
4 MB
请大大们判断故障原因。
这是其他几台更换16Mflash启动openwrt正常时的ttl输出。
U-Boot 1.1.4 (Apr 27 2015 - 09:44:47)
AP135 (QCA9558 - Scorpion 1.0) U-Boot
DRAM: 64 MB
Flash: Winbond W25Q128 (16 MB)
Using default environment
*** Warning *** : PCIe WLAN Module not found !!!
*** Warning *** : PCIe WLAN Module not found !!!
Clocks: CPU:720MHz, DDR:400MHz, AHB:200MHz, Ref:40MHz
In: serial
Out: serial
Err: serial
Net: ath_gmac_enet_initialize...
Fetching MAC Address from 0xbf01fc00
Scorpion ----> S27 PHY *
ATHRS27: resetting s27
ATHRS27: s27 reset done
GMAC: cfg1 0x80000000 cfg2 0x7114
eth0: d8:15:0d:b2:61:0d
eth0 up
eth0
Hit any key to stop autoboot: 0
## Booting image at 9f020000 ...
Image Name: Unknown board (20410002)
Created: 1970-01-01 0:00:00 UTC
Image Type: MIPS Linux Kernel Image (lzma compressed)
Data Size: 16252416 Bytes = 15.5 MB
Load Address: 80060000
Entry Point: 80060000
Uncompressing Kernel Image ... OK
Starting kernel ...
[ 0.000000] Linux version 3.18.11 (hzhang@tu143197.ip.tsinghua.edu.cn) (gcc version 4.8.3 (OpenWrt/Linaro GCC 4.8-2014.04 r45580) ) #1 Fri May 1 10:32:19 CST 2015
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019750 (MIPS 74Kc)
[ 0.000000] SoC: Qualcomm Atheros QCA9558 ver 1 rev 0
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 04000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x00000000-0x03ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00000000-0x03ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x03ffffff]
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: board=TL-WR941ND-v7 console=ttyS0,115200 rootfstype=squashfs,jffs2 noinitrd
[ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
[ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 60944K/65536K available (2472K kernel code, 122K rwdata, 528K rodata, 260K init, 188K bss, 4592K reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS:51
[ 0.000000] Clocks: CPU:720.000MHz, DDR:400.000MHz, AHB:200.000MHz, Ref:40.000MHz
[ 0.000000] Calibrating delay loop... 358.80 BogoMIPS (lpj=1794048)
[ 0.060000] pid_max: default: 32768 minimum: 301
[ 0.060000] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.070000] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.080000] NET: Registered protocol family 16
[ 0.080000] MIPS: machine is TP-LINK TL-WR941ND v7
[ 0.410000] Switched to clocksource MIPS
[ 0.420000] NET: Registered protocol family 2
[ 0.420000] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.420000] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.430000] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.440000] TCP: reno registered
[ 0.440000] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.440000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.450000] NET: Registered protocol family 1
[ 0.460000] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.470000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.470000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.490000] msgmni has been set to 119
[ 0.490000] io scheduler noop registered
[ 0.490000] io scheduler deadline registered (default)
[ 0.500000] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
? 0.530000] serial8250.0: ttyS0 at MMIO 0x18020000 (irq = 11, base_baud = 2500000) is a 16550A
[ 0.540000] console [ttyS0] enabled
[ 0.540000] console [ttyS0] enabled
[ 0.550000] bootconsole [early0] disabled
[ 0.550000] bootconsole [early0] disabled
[ 0.550000] m25p80 spi0.0: found w25q128, expected m25p80
[ 0.560000] m25p80 spi0.0: w25q128 (16384 Kbytes)
[ 0.580000] 5 tp-link partitions found on MTD device spi0.0
[ 0.580000] Creating 5 MTD partitions on "spi0.0":
[ 0.590000] 0x000000000000-0x000000020000 : "u-boot"
[ 0.590000] 0x000000020000-0x000000134ef0 : "kernel"
[ 0.600000] mtd: partition "kernel" must either start or end on erase block boundary or be smaller than an erase block -- forcing read-only
[ 0.610000] 0x000000134ef0-0x000000ff0000 : "rootfs"
[ 0.620000] mtd: partition "rootfs" must either start or end on erase block boundary or be smaller than an erase block -- forcing read-only
[ 0.630000] mtd: device 2 (rootfs) set to be root filesystem
[ 0.640000] 1 squashfs-split partitions found on MTD device rootfs
[ 0.640000] 0x000000480000-0x000000ff0000 : "rootfs_data"
[ 0.650000] 0x000000ff0000-0x000001000000 : "art"
[ 0.650000] 0x000000020000-0x000000ff0000 : "firmware"
[ 0.670000] switch0: Atheros AR8236 rev. 1 switch registered on ag71xx-mdio.0
[ 0.700000] libphy: ag71xx_mdio: probed
[ 1.340000] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:00 [uid=004dd043, driver=Atheros AR8216/AR8236/AR8316]
[ 1.350000] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:MII
[ 1.360000] TCP: cubic registered
[ 1.370000] NET: Registered protocol family 17
[ 1.370000] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[ 1.380000] 8021q: 802.1Q VLAN Support v1.8
[ 1.410000] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
[ 1.420000] Freeing unused kernel memory: 260K (8036f000 - 803b0000)
[ 2.790000] init: failed to symlink /tmp -> /var
[ 2.790000] init: Console is alive
[ 2.800000] init: - watchdog -
[ 5.000000] usbcore: registered new interface driver usbfs
[ 5.010000] usbcore: registered new interface driver hub
[ 5.020000] usbcore: registered new device driver usb
[ 5.060000] SCSI subsystem initialized
[ 5.070000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 5.080000] ehci-platform: EHCI generic platform driver
[ 5.090000] ehci-platform ehci-platform.0: EHCI Host Controller
[ 5.090000] ehci-platform ehci-platform.0: new USB bus registered, assigned bus number 1
[ 5.100000] ehci-platform ehci-platform.0: TX-TX IDP fix enabled
[ 5.110000] ehci-platform ehci-platform.0: irq 48, io mem 0x1b000000
[ 5.130000] ehci-platform ehci-platform.0: USB 2.0 started, EHCI 1.00
[ 5.130000] hub 1-0:1.0: USB hub found
[ 5.140000] hub 1-0:1.0: 1 port detected
[ 5.140000] ehci-platform ehci-platform.1: EHCI Host Controller
[ 5.150000] ehci-platform ehci-platform.1: new USB bus registered, assigned bus number 2
[ 5.160000] ehci-platform ehci-platform.1: TX-TX IDP fix enabled
[ 5.160000] ehci-platform ehci-platform.1: irq 49, io mem 0x1b400000
[ 5.190000] ehci-platform ehci-platform.1: USB 2.0 started, EHCI 1.00
[ 5.190000] hub 2-0:1.0: USB hub found
[ 5.200000] hub 2-0:1.0: 1 port detected
[ 5.200000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 5.210000] ohci-platform: OHCI generic platform driver
[ 5.220000] uhci_hcd: USB Universal Host Controller Interface driver
[ 5.230000] usbcore: registered new interface driver usb-storage
[ 5.840000] init: - preinit -
[ 6.450000] random: mktemp urandom read with 10 bits of entropy available
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
[ 8.370000] eth0: link up (100Mbps/Full duplex)
[ 9.930000] jffs2: notice: (406) jffs2_build_xattr_subsystem: complete building xattr subsystem, 1 of xdatum (1 unchecked, 0 orphan) and 1 of xref (0 dead, 0 orphan) found.
[ 9.950000] mount_root: switching to jffs2 overlay
[ 9.990000] eth0: link down
[ 10.020000] procd: - early -
[ 10.020000] procd: - watchdog -
[ 10.740000] procd: - ubus -
[ 11.760000] procd: - init -
Please press Enter to activate this console.
[ 15.900000] NET: Registered protocol family 10
[ 15.910000] gre: GRE over IPv4 demultiplexor driver
[ 15.920000] ip_gre: GRE over IPv4 tunneling driver
[ 15.940000] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 15.970000] Netfilter messages via NETLINK v0.30.
[ 15.980000] ip_set: protocol 6
[ 16.030000] Loading modules backported from Linux version master-2015-03-09-0-g141f155
[ 16.040000] Backport generated by backports.git backports-20150129-0-gdd4a670
[ 16.050000] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 16.070000] nf_conntrack version 0.5.0 (956 buckets, 3824 max)
[ 16.200000] xt_time: kernel timezone is -0000
[ 16.250000] cfg80211: Calling CRDA to update world regulatory domain
[ 16.250000] cfg80211: World regulatory domain updated:
[ 16.260000] cfg80211: DFS Master region: unset
[ 16.260000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 16.270000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 16.280000] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 16.290000] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
[ 16.300000] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[ 16.310000] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[ 16.310000] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
[ 16.320000] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[ 16.330000] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
[ 16.400000] PPP generic driver version 2.4.2
[ 16.410000] PPP MPPE Compression module registered
[ 16.420000] NET: Registered protocol family 24
[ 16.420000] PPTP driver version 0.8.5
[ 16.510000] ieee80211 phy0: Atheros AR9550 Rev:0 mem=0xb8100000, irq=47
[ 16.520000] cfg80211: Calling CRDA for country: US
[ 16.520000] cfg80211: Regulatory domain changed to country: US
[ 16.530000] cfg80211: DFS Master region: FCC
[ 16.530000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 16.540000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 3000 mBm), (N/A)
[ 16.550000] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 1700 mBm), (N/A)
[ 16.560000] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2300 mBm), (0 s)
[ 16.570000] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 3000 mBm), (N/A)
[ 16.580000] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
[ 25.890000] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 25.910000] device eth0.1 entered promiscuous mode
[ 25.910000] device eth0 entered promiscuous mode
[ 25.920000] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 25.990000] IPv6: ADDRCONF(NETDEV_UP): eth0.2: link is not ready
[ 26.550000] eth0: link up (100Mbps/Full duplex)
[ 26.550000] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 26.590000] br-lan: port 1(eth0.1) entered forwarding state
[ 26.590000] br-lan: port 1(eth0.1) entered forwarding state
[ 26.600000] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.2: link becomes ready
[ 26.600000] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 27.850000] cfg80211: Calling CRDA for country: CN
[ 27.880000] cfg80211: Regulatory domain changed to country: CN
[ 27.880000] cfg80211: DFS Master region: FCC
[ 27.890000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 27.900000] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2300 mBm), (N/A)
[ 27.910000] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2300 mBm), (N/A)
[ 27.920000] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2300 mBm), (0 s)
[ 27.930000] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2300 mBm), (N/A)
[ 27.930000] cfg80211: (57240000 KHz - 59400000 KHz @ 2160000 KHz), (N/A, 2800 mBm), (N/A)
[ 27.940000] cfg80211: (59400000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4400 mBm), (N/A)
[ 27.950000] cfg80211: (63720000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 2800 mBm), (N/A)
[ 28.590000] br-lan: port 1(eth0.1) entered forwarding state
[ 28.810000] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 1 is up
[ 30.270000] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 30.300000] device wlan0 entered promiscuous mode
[ 30.300000] br-lan: port 2(wlan0) entered forwarding state
[ 30.310000] br-lan: port 2(wlan0) entered forwarding state
[ 30.340000] br-lan: port 2(wlan0) entered disabled state
[ 30.660000] br-lan: port 2(wlan0) entered forwarding state
[ 30.670000] br-lan: port 2(wlan0) entered forwarding state
[ 30.670000] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 32.670000] br-lan: port 2(wlan0) entered forwarding state
BusyBox v1.23.2 (2015-05-01 10:16:49 CST) built-in shell (ash)
_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
CHAOS CALMER (Bleeding Edge, r45580)
-----------------------------------------------------
* 1 1/2 oz Gin Shake with a glassful
* 1/4 oz Triple Sec of broken ice and pour
* 3/4 oz Lime Juice unstrained into a goblet.
* 1 1/2 oz Orange Juice
* 1 tsp. Grenadine Syrup
-----------------------------------------------------
root@OpenWrt:/# [ 51.390000] random: nonblocking pool is initialized
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