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发表于 2019-10-26 20:53:00
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求指点 问题出在哪儿 跪谢5 P8 C+ |2 L2 _) [# v8 ]
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Marvell>> sf probe
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5 ]6 K' L: h# P. i i6 u* Dmachine id: 59d27c40ee176d8a9690c9e459a049ad
[- Q/ w$ p* V$ H4 sSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB- a/ `0 p! L( X: V
Marvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM
# v6 \& s+ p2 l- [0 }* zsf - SPI flash sub-system, m+ u3 e0 u! T+ C
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Usage:
+ `* e4 x- z" P/ I, ^) N# xsf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus
4 R( Y- L7 t/ l7 u& W2 D and chip select8 X1 z1 V+ I5 r5 q0 S3 B, i2 `
sf read addr offset|partition len - read `len' bytes starting at( H, u, {$ u+ Z9 _% C
`offset' or from start of mtd" K" c' T9 q3 K. h) T: ?! ]
`partition'to memory at `addr'
, e8 H/ ]# \) c0 }; \sf write addr offset|partition len - write `len' bytes from memory% z- g4 b9 ^! H9 Q
at `addr' to flash at `offset'0 ^/ [/ d8 h" K5 C% w2 N
or to start of mtd `partition'
- I" C* U9 C R/ g+ w# Lsf erase offset|partition [+]len - erase `len' bytes from `offset'; o; F: `, ]; a( R, X' c `8 H4 Y
or from start of mtd `partition'1 a* r2 B+ ] O. h
`+len' round up `len' to block size0 G2 U2 A V0 Z
sf update addr offset|partition len - erase and write `len' bytes from memor y! R6 t2 q. ?/ Z3 n i* q
at `addr' to flash at `offset'
. G% a- Y) }9 |$ Y+ F5 s5 \ or to start of mtd `partition'
8 E2 g% |4 R' r" wsf protect lock/unlock sector len - protect/unprotect 'len' bytes starting
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Marvell>>5 H& t- n2 f- h" v) X; [/ Z
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