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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+ n, \8 A8 ~. X' v3 m/ R9 Q
( |. c! f; d" l. T4 r# {$ MMarvell>> sf probe5 Q% P4 @' H/ }$ d" M
2 g1 J3 F2 C5 G7 P3 d) O- }machine id: 59d27c40ee176d8a9690c9e459a049ad
+ @ x1 h, n& I3 nSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB
8 w9 P6 X1 ?' W9 l$ RMarvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM
. z2 X) h; Z3 I: h$ g+ lsf - SPI flash sub-system- b: N% N2 j8 c5 Q; a
# I; |; S( I( z0 k5 AUsage:
, g7 V7 A& H# lsf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus
1 d5 r% k3 Z$ a) n: [* ? and chip select
) E, _4 q1 b3 Z8 Z1 X; t& wsf read addr offset|partition len - read `len' bytes starting at
- J) B2 E9 ~( O$ D/ O `offset' or from start of mtd
$ t g% U' Y, M4 ^! b3 z2 ~4 I# O `partition'to memory at `addr'$ P: G8 e3 J% l
sf write addr offset|partition len - write `len' bytes from memory
5 C- b; }" l2 [5 P& `- \ at `addr' to flash at `offset'
. \; E# E1 ]5 b% ]4 w2 z6 Z& c3 S or to start of mtd `partition'
- _7 X5 G6 _6 v0 X* Msf erase offset|partition [+]len - erase `len' bytes from `offset'0 m% b0 I& ?3 Q& h4 D. p- S
or from start of mtd `partition'7 M. _# m( d" ^$ K$ @
`+len' round up `len' to block size& M$ ]1 e# M( X8 I- v2 v
sf update addr offset|partition len - erase and write `len' bytes from memor y) f) @- v F5 v) ?+ Z, K
at `addr' to flash at `offset'
& j0 _& ^! {4 B* X or to start of mtd `partition'
, z% o5 j% n d8 D' S1 Tsf protect lock/unlock sector len - protect/unprotect 'len' bytes starting
$ D6 M' H# \" k. u: G2 T7 a z% l at address 'sector'; {! W6 e# F4 R1 e
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Marvell>>, U/ h; x0 C0 Z( `
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