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我之前在网上看到看雪大神的 ttl启动过程如下：
5 c( \4 l ^% tHuaWei StartCode 2012.02 (R13C10 Apr 22 2014 – 18:06:02)# o) B& A1 W3 m1 k
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NAND: Nand(Hardware): 128 MiB% N/ P) S' ~; T1 V
startcode select the uboot to load' |" p8 v0 v8 y8 X' G' Z7 V
the high RAM is :8080103c
6 l+ ]) ~& H3 V. I2 h* j3 r$ Cstartcode uboot boot count:0
0 P" d- G- w4 JSlave struct initializtion success!!# `$ D3 P% q; e( R
Use the UbootA to load first9 C$ p7 c$ n3 I6 A$ C
Start from UbootA ERROR, Change to UbootB" b( z& W; y3 W# w
Both UbootA and UbootB are wrong, load it by JTAG!
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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。 V: N( L: y6 y9 l& S+ k* O9 `7 E
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' g5 U0 @7 K' c我的TTL启动日志如下：
% x+ A% h, s; r5 P$ _) t7 BHuaWei StartCode 2012.02 (V300R017C10 Oct 29 2016 - 19:38:11)
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# q+ p8 K9 W! {' |1 ^& INAND: Nand ID: 0xC2 0xDA 0x90 0x95 0x06 0x00 0x00 0x00) [4 e w8 t+ \3 {" Q0 j
ECC Match pagesize:2K, oobzie:64, ecctype:4bit9 i7 O6 J8 b6 b, ?" }
Nand(Hardware): 256 MiB
* T) r6 A' ^3 Q. H$ e4 Z: Lstartcode select the uboot to load* `- x, Y% u* O' s5 z( A. ~* z, j
the high RAM is :8080103c% x4 s, ?: W$ Q7 m# `* r
startcode uboot boot count:0' h% `8 z7 m/ c$ k p+ I- V
Use the UbootB to load first% H& K" c* l# y# z
Use the UbootB to load success
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U-Boot 2010.03 (V300R017C10 May 12 2017 - 01:41:52)% C' L- L, o9 X) @
7 _' T1 O# ~8 `Mbist flag = 0x0, ddr totoal size = 0x20000000
" I4 Z' R' i% d7 j$ ?. }, }- ]& _DRAM: 512 MB
, w% a% {) a% ^" O2 ~0 Y/ \. rBoot From NAND flash8 x1 n) B3 |$ q9 D0 Z: m0 @# R# i
Chip Type is SD5116T% ?/ i4 M6 s& p+ z; E7 M& x
NAND: Special Nand id table Version 1.23
" b/ i" h& S6 J: p+ c( t* R9 G' NNand ID: 0xC2 0xDA 0x90 0x95 0x06 0x00 0x00 0x00
" B2 u; v: S3 I W3 DECC Match pagesize:2K, oobzie:64, ecctype:4bit
5 R5 p/ i' O' ]; aNand(Hardware): Block:128KB Page:2KB Chip:256MB*1 OOB:64B ECC:4bit $ [ v7 v+ G4 D# P& D( T+ B4 W" `
256 MiB
; ?9 x4 E: Q8 X( p& K# s2 P5 r6 c( fUsing default environment
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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。
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发表于 2018-11-14 20:11:50