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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* ?! x5 s; J9 i `- q
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Marvell>> sf probe
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! h8 s) ^3 ^9 n% wmachine id: 59d27c40ee176d8a9690c9e459a049ad) d( L' Y9 n) w6 [
SF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB
* i: O' ]3 e% c% F- j% d' ZMarvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM. {3 Q% Y, Z4 ?: m( E
sf - SPI flash sub-system
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4 [8 m* f2 ]7 `, ^/ GUsage:' g6 Y, j+ P! y: B
sf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus+ L. W/ U2 E+ @- r, e; s7 l
and chip select
+ a' y1 z6 R8 }! s8 psf read addr offset|partition len - read `len' bytes starting at
- e2 _4 N: v2 Z o- J! ^ `offset' or from start of mtd4 s8 n$ }2 Z" p( ]& m& t6 s2 N
`partition'to memory at `addr'
7 h4 I$ `) ^9 C! ?5 {/ D$ Wsf write addr offset|partition len - write `len' bytes from memory
9 L1 C& [: _! D1 ^% d at `addr' to flash at `offset'$ ^/ I5 M, K& U9 l
or to start of mtd `partition'
6 k4 {" F h# O% Asf erase offset|partition [+]len - erase `len' bytes from `offset'
% K Z# {' t3 }# v or from start of mtd `partition'/ s" e$ F' y1 m4 Y& f0 l
`+len' round up `len' to block size
- g+ b4 o. z( P" Y; p vsf update addr offset|partition len - erase and write `len' bytes from memor y
* J" Y5 f+ _) d7 h3 b; A at `addr' to flash at `offset'
5 X) [) z; B8 X G+ P, n or to start of mtd `partition'
; P. j$ [) z+ X" N7 Fsf protect lock/unlock sector len - protect/unprotect 'len' bytes starting
" A! V( h4 G4 M5 h5 W at address 'sector'
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; d/ c" d4 x: |Marvell>>$ ]9 }- a; I0 h) i' ^, N; ^* Y2 Q
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