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发表于 2019-10-26 20:53:00
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& c0 Z& K+ @+ S+ h3 W求指点 问题出在哪儿 跪谢
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Marvell>> sf probe
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) {1 `7 `( |( I: ~ m& _, `machine id: 59d27c40ee176d8a9690c9e459a049ad
- e$ h1 {/ m h- b! NSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB. z; ~; M# P' g- I+ G2 Q- N1 b
Marvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM+ g% w/ d, K* k0 i& }& L" o$ ]
sf - SPI flash sub-system" @; G5 g7 R& I5 {8 d
8 R5 y' i, e# a2 Q2 xUsage:
/ N3 L3 {7 M1 Z9 L( X$ _/ ysf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus9 M0 z8 B9 u) G6 Y
and chip select
$ B, n) d' b4 n7 w8 } D5 x- K. \sf read addr offset|partition len - read `len' bytes starting at
/ R# f: z: B$ E5 Y: \+ T `offset' or from start of mtd3 b( w/ r( N( { q6 V: k1 d u
`partition'to memory at `addr'
# e! f) a4 m# R; r0 R0 Q" q$ R3 Fsf write addr offset|partition len - write `len' bytes from memory7 F# g* f7 o% h& u: T
at `addr' to flash at `offset'9 z& \7 s: }; {* J" l
or to start of mtd `partition'/ C' a0 i5 j C
sf erase offset|partition [+]len - erase `len' bytes from `offset'
! z6 ^- {% }. m f) U/ U or from start of mtd `partition'1 M' g" G ?( ^$ X
`+len' round up `len' to block size
; C7 a5 Z) d( ~: s+ _6 I: osf update addr offset|partition len - erase and write `len' bytes from memor y7 g- u$ S; S4 D8 S+ a. W* M$ h2 [
at `addr' to flash at `offset'
+ h# L7 x5 M/ t8 n# a or to start of mtd `partition'
, i) w/ o( F( [$ {! G2 m8 Esf protect lock/unlock sector len - protect/unprotect 'len' bytes starting
& t8 H, A# y5 ?% z0 ^ at address 'sector'
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: k! K0 u7 N, S/ U$ _Marvell>>0 d6 h2 X& v2 y
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