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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4 n9 o7 v U [3 J
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Marvell>> sf probe
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- G# V' T' b8 @0 d- J bmachine id: 59d27c40ee176d8a9690c9e459a049ad
9 U$ w5 u! S- x" s2 ]. dSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB
( _6 i. N) b; V4 y+ z8 gMarvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM; ]. f! R9 U, T" g& z3 G
sf - SPI flash sub-system
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' m0 s& d+ ^ v& g2 ^& uUsage:
% t$ s$ ^5 {- k; |" F$ \/ }sf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus
! ~ j' I- z5 {, p7 L; M9 m- X. ? and chip select
" B8 U4 f! k& {" D7 m( nsf read addr offset|partition len - read `len' bytes starting at8 L: ?7 o, t. v6 g& m$ g
`offset' or from start of mtd. b1 V0 q; A6 S
`partition'to memory at `addr'
0 |2 K8 z! a- v8 Ysf write addr offset|partition len - write `len' bytes from memory' a# Z4 h g* t
at `addr' to flash at `offset'
: r+ F) I- W. j* ? or to start of mtd `partition'' ]6 x0 N2 @' {, h# a O, p
sf erase offset|partition [+]len - erase `len' bytes from `offset' h: w0 {! j! H4 ?4 }8 V# u
or from start of mtd `partition'
# r' z# R( @6 d( ~6 ^ `+len' round up `len' to block size% Z9 i# D6 ]& u! }; C* ~2 Y
sf update addr offset|partition len - erase and write `len' bytes from memor y
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- |, Y1 j+ X4 y$ |8 k or to start of mtd `partition' m/ p$ N, }7 F1 Y* [
sf protect lock/unlock sector len - protect/unprotect 'len' bytes starting1 |) t" G2 S3 M/ k, G
at address 'sector'
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Marvell>>
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