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发表于 2013-12-29 21:39:34
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我是用57600的波特率连上TTL正常的，但启动时一定要断开GND，否则无信号。5 t" y" u+ U+ H
问题是，开机后速度非常快，根本无法让我选择1-4，具体显示如下，请问有什么办法中断吗？9 g4 n% N/ b. x' \3 }& [
1 @4 V/ ~/ T9 Z9 a5 b9 [U-Boot 1.1.3 (Jun 14 2012 - 07:15:37)
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6 z% }% d7 k/ O( N' i: @5 TSoC:Ralink RT335x
) A: t- G5 A, j9 f2 D+ G% ?Memory Testing.65536K OK./ b* ~! R1 w% `& T
DRAM: 64 MB' G v; \* Z- A; r; m
relocate_code Pointer at: 83770000
3 j9 ^# C( D& z+ X5 c1 xspi_wait_nsec: 3c $ d/ t* x$ j6 R. A
spi device id: c2 20 16 c2 20 (2016c220)9 a' u6 e- J% `3 k
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Flash:MX25L3205D Size:4MB(64K*64blocks)
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( [3 u8 u( Y |3 V) D" ^1 d" h0 X2 C, Rraspi_read: from:30000 len:10000
& ?. |3 X; U8 {/ [" c9 u% L.*** Warning - bad CRC, using default environment
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4 }6 ~( ^+ \: P+ u" {* y9 _- }1 o______________________________________________________! o3 y3 l6 d+ m( ^
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| |____/|_| \___|\__,_|_| |_| |_|____/ \___/_/\_\ |
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| http://www.openwrt.org.cn |) n! s9 m0 P* Y
| Board:Zyxel WAP120NF |
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| lintel<linte.huang@gmail.com> |
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ASIC 3352_MP (Port5<->None)
5 ^- Q; {, @6 Q9 [8 C; `" WDRAM_CONF_FROM: Boot-Strapping
( t* M) ?7 S lDRAM: DDR2 64 MByte 16 bits
; N3 s* F5 C6 X8 _4 P" cFlash component: SPI Flash4 v* ?" g! T6 b- M1 H
Build Date:Jun 14 2012 Time:07:15:37) ?3 |, y U# A/ e
icache: sets:256, ways:4, linesz:32 ,total:327684 O ?2 [9 f3 }1 R, p/ f/ T6 o
dcache: sets:128, ways:4, linesz:32 ,total:16384
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##### The CPU freq = 400 MHZ #### 1 j; R! O1 H7 H& l: H9 D, N
estimate memory size =64 Mbytes
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GPIO Init: j F' f) S* G9 N5 q. ]
UARTF_SHARE_MODE:GPIO
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GPIO_MODE_REG status:0x40039c6 H; S8 j2 F/ c, g* Z! ~) X1 P3 {8 ?
) `! p7 v; h8 h% s" I& [; O% J6 bPlease choose the operation:
1 a2 V' h |" @, \2 \* z5 j3 d, \" ? 1: Load system code to SDRAM via TFTP. & y" e, R" v. |4 k1 Y
2: Load system code then write to Flash via TFTP. ; }( I0 H( a' D4 B& c( E' }
3: Boot system code via Flash (default).
8 u" l6 I* w& ^' j 4: Entr boot command line interface.5 Q% _$ Q$ a0 d3 s4 N
7: Load Boot Loader code then write to Flash via Serial.
" J" f6 `/ d: b2 q0 y" h 9: Load Boot Loader code then write to Flash via TFTP. 1 H- D2 p' {9 G; H* r! |
3 ~$ ]4 A; L/ o% sYou choosed 3
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3: System Boot system code via Flash.
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0 [, S- b7 ~' g& L3 Y eth_register ! w1 n3 {9 N3 ?. m) E
Eth0 (10/100-M)- I U4 b% n2 |& w! r
enetvar=ethaddr,Eth addr:00:0C:43:09:26:BB D% v4 I F4 ~1 q& ^0 E
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eth_current->name = Eth0 (10/100-M)* C% ?1 d, L& H: I
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