|
发表于 2019-10-26 20:53:00
|
显示全部楼层
9 s2 X+ u- u- U求指点 问题出在哪儿 跪谢, F3 b7 t4 h' \1 j' T& f
& a) V+ h0 C- T; c& Y# nMarvell>> sf probe
5 B* v1 n, g2 X9 f* X' W
. i4 t, x A& K' g; x: D. F5 ], H7 vmachine id: 59d27c40ee176d8a9690c9e459a049ad
9 b. B# ?( _ P- eSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB1 W' U+ g" i7 F) [) V& B8 Y
Marvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM
% G5 X0 y: z9 S5 Csf - SPI flash sub-system
) O) D: `' b/ v
% H1 ~( W; W; J; d; G! E! CUsage: j4 N" O& v4 o0 X0 b
sf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus! B; g! l' J0 n8 ^4 i/ c5 o$ z# A% [* }+ j
and chip select! J6 s% I5 a) b5 M( F% R3 a1 q
sf read addr offset|partition len - read `len' bytes starting at6 \* C% K, E( M( g! \& A
`offset' or from start of mtd
0 m0 q4 Y# W) s; Z. A& ]) Z% Q5 | `partition'to memory at `addr', Z8 [7 `; k* T1 V- b" {4 G/ l
sf write addr offset|partition len - write `len' bytes from memory5 y1 [% O9 f/ W8 {5 P7 L- F
at `addr' to flash at `offset'
; T: E3 b. E5 v, p7 \& e or to start of mtd `partition'' ?9 X0 T0 s" K! @$ _: c
sf erase offset|partition [+]len - erase `len' bytes from `offset'% }( m/ V Y) v- z0 h# j
or from start of mtd `partition'
/ l0 K+ P. P1 R) k6 } `+len' round up `len' to block size
, a+ N0 p* P& @9 b$ p( ] c) Ssf update addr offset|partition len - erase and write `len' bytes from memor y) U. D P* a6 V1 q. e9 C! _
at `addr' to flash at `offset'
8 s$ A+ }8 |0 t) ~, ?! B ] or to start of mtd `partition'
$ l- x4 Z* d3 O( x% T" o0 O" W' osf protect lock/unlock sector len - protect/unprotect 'len' bytes starting2 \/ w0 |. M$ S, {4 R% A8 m* @
at address 'sector'
2 V7 z, v6 p. R/ i: \7 _9 T" N' A5 T) C; g
Marvell>>$ p8 Q \& {4 E" B. Z
|
|