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发表于 2019-10-26 20:53:00
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+ P8 @$ a( J y; [' h求指点 问题出在哪儿 跪谢
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; B* N+ N6 Z' I5 G: aMarvell>> sf probe* N+ V5 n" ]9 q+ h( A3 S# z A
. ?" k3 M) R$ w1 Smachine id: 59d27c40ee176d8a9690c9e459a049ad
6 @& I% n* C: E, e0 i" u5 JSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB
3 R# A {+ ~4 }7 h, [, K2 h" i& E- AMarvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM
. L7 l/ l3 n9 R' n6 {3 Asf - SPI flash sub-system, m- K$ s9 e) j- I5 k g
' y2 C8 p& p* ]/ a5 N) a+ dUsage:
; Y5 V7 t9 t' ^5 @0 V. @ S2 Dsf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus
H4 J7 j. G( I0 z. I' M and chip select
! l0 \& A2 Z+ }, p: t- Tsf read addr offset|partition len - read `len' bytes starting at
" `7 M6 Y i# u) d0 o0 L `offset' or from start of mtd) @- r) [' h2 K
`partition'to memory at `addr'; ~. ?1 E: k9 \# B
sf write addr offset|partition len - write `len' bytes from memory! F. s2 H- A+ q n6 O7 x2 o8 ?
at `addr' to flash at `offset', Y; K2 u( V4 W. Q" ?
or to start of mtd `partition'
. L4 a' `6 Z& D+ tsf erase offset|partition [+]len - erase `len' bytes from `offset' ]8 B# D3 Y2 A. u2 T7 ]5 F9 n
or from start of mtd `partition'
3 [1 Z( m+ M4 y/ u# x4 G4 s+ k+ \ `+len' round up `len' to block size/ v2 n! J: Y) L7 ?* u3 E
sf update addr offset|partition len - erase and write `len' bytes from memor y! o) W" q" J0 V2 e
at `addr' to flash at `offset'
* A5 Q& o0 j4 V3 N or to start of mtd `partition'
! m! u9 Y$ K5 ^: C) Ysf protect lock/unlock sector len - protect/unprotect 'len' bytes starting' M$ W/ p" {) L0 l/ y/ B2 C: S
at address 'sector'
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4 y/ P" R' L' ~* IMarvell>>/ o# C2 x4 {$ ~4 J% e/ n+ M5 U
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