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我之前在网上看到看雪大神的 ttl启动过程如下：
2 R5 V% @( K$ r# [! t3 RHuaWei StartCode 2012.02 (R13C10 Apr 22 2014 – 18:06:02)
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9 G! J3 e( t: n% c* O( T BNAND: Nand(Hardware): 128 MiB' V) a4 y' Z/ p
startcode select the uboot to load3 F# I( s S+ w5 I
the high RAM is :8080103c
$ L4 t) g7 a- _startcode uboot boot count:0/ R& _# c3 P* [, ^: Y" b4 S* }; a
Slave struct initializtion success!!
* J: z" ~( c: y6 ]" dUse the UbootA to load first
8 s- @ B4 V; u9 @) qStart from UbootA ERROR, Change to UbootB/ U6 e3 y9 {, r1 w$ A E
Both UbootA and UbootB are wrong, load it by JTAG!
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# F0 N/ V5 z5 R/ {) z. h+ H% k先使用UbootA启动，如果启动失败则使用UbootB，如果再失败就提示使用JTAG。2 D2 x: X0 s& l
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我的TTL启动日志如下：
3 ]8 A7 _, f. ZHuaWei StartCode 2012.02 (V300R017C10 Oct 29 2016 - 19:38:11)# H; h0 h1 ?) C! w# w# f
; K9 \& B2 D( \4 qNAND: Nand ID: 0xC2 0xDA 0x90 0x95 0x06 0x00 0x00 0x00
- i. v1 ?7 S& x) \" d7 KECC Match pagesize:2K, oobzie:64, ecctype:4bit
5 z0 S3 B- L u/ f, w1 t/ yNand(Hardware): 256 MiB
3 a; s2 Q4 _" m, I( a+ u" w; cstartcode select the uboot to load5 @& ?3 i6 {1 d* y: C/ b: {5 F
the high RAM is :8080103c
5 Z2 V: c' t" P& z! R$ Y8 estartcode uboot boot count:08 C4 W0 V% r# M$ V
Use the UbootB to load first
8 V$ k. `- }5 e5 oUse the UbootB to load success
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7 r: e5 k! Z3 s4 g4 KU-Boot 2010.03 (V300R017C10 May 12 2017 - 01:41:52) S* @- X I1 W/ l0 s
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Mbist flag = 0x0, ddr totoal size = 0x20000000 8 f3 R: s. D/ k. ^' I/ \7 ]
DRAM: 512 MB
5 z( O* \4 G* J1 ]Boot From NAND flash+ r+ P: @3 S/ Y+ x, J3 b
Chip Type is SD5116T0 j9 |: F0 ]/ D- |4 s$ p9 ]$ g
NAND: Special Nand id table Version 1.23
, p% u- }8 a% INand ID: 0xC2 0xDA 0x90 0x95 0x06 0x00 0x00 0x004 k @* M/ A- ?: [' d
ECC Match pagesize:2K, oobzie:64, ecctype:4bit" u3 t* [* o5 r8 i. z: [) o% k$ d4 N7 y
Nand(Hardware): Block:128KB Page:2KB Chip:256MB*1 OOB:64B ECC:4bit
: x& ?0 d0 T8 y256 MiB" F% \# K& Y& I
Using default environment7 d7 G! X+ E7 G5 r- F n0 e
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9 H$ ^# W% S& Y* u% Y. _我的启动日志中直接使用UBOOTB，而不是A启动失败报错后再启动B，我在想是不是有个配置参数可以配置启动顺序？求教大神指点。, q/ M( P4 {3 n6 A9 K7 E
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发表于 2018-11-14 20:11:50