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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
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+ x! O& P6 J: b' d9 |/ f" C, NMarvell>> sf probe# ~2 y6 P5 W" b- H# T" [) T$ N
- Q+ T v$ c+ `machine id: 59d27c40ee176d8a9690c9e459a049ad) y& }5 m6 D9 f* t: F- p
SF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB; }# A6 Q, X* t; s! d$ ^! L
Marvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM9 s Y' u |6 D
sf - SPI flash sub-system
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4 K/ v( }3 q( P, c# hUsage:
/ a9 X% ^# {8 u b0 p) h$ \- Wsf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus
8 g4 j$ ^+ W* @' Z/ u; h$ E/ m, | and chip select
, j5 Z3 {+ Z/ V0 H6 h6 Jsf read addr offset|partition len - read `len' bytes starting at
9 d( H) d) d0 P: q `offset' or from start of mtd, N2 ]! N. z1 A6 M/ n9 n1 R
`partition'to memory at `addr'; [) m8 l0 A& r- J* @! |$ V
sf write addr offset|partition len - write `len' bytes from memory
' w- ]; E9 y. e7 T1 @. G2 t! t at `addr' to flash at `offset'
: m( A; n+ ], C0 t7 ?% j5 ]" ? or to start of mtd `partition'3 G1 ]- t! j1 l5 `/ N
sf erase offset|partition [+]len - erase `len' bytes from `offset'/ n( \$ R; M3 s! w, O, A
or from start of mtd `partition': J5 E- K2 Y% Z
`+len' round up `len' to block size
& p; ~& }6 R% r& ^! \sf update addr offset|partition len - erase and write `len' bytes from memor y
+ D$ X+ S; T3 G5 d at `addr' to flash at `offset'# ^9 ~/ O" g4 D: U
or to start of mtd `partition'5 H' P$ T! p2 m
sf protect lock/unlock sector len - protect/unprotect 'len' bytes starting- H) n7 l6 e5 V' ?" T6 T4 e; [
at address 'sector'
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Marvell>>: x" d9 x4 L6 b v/ L( N
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