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发表于 2019-10-26 20:53:00
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; h/ b1 p5 a9 ]0 J w求指点 问题出在哪儿 跪谢
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Marvell>> sf probe
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machine id: 59d27c40ee176d8a9690c9e459a049ad
7 }, W. D5 k o( T1 WSF: Detected gd25lq64c with page size 256 Bytes, erase size 4 KiB, total 8 MiB6 U5 Z* h& s" d* U9 |% g1 j
Marvell>> sf updatemacsn 001132B60655 1980S6R9Z0BSM5 I6 L" D/ g s u2 h
sf - SPI flash sub-system
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Usage:3 Z) F4 `6 X$ f1 Z
sf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus& n$ ^$ z9 S/ T8 W8 O) p
and chip select
! l0 l( r- g% W; r% e1 f7 {sf read addr offset|partition len - read `len' bytes starting at. g) |, Z0 ]+ c2 J' b
`offset' or from start of mtd$ K0 M, B' [/ z5 T
`partition'to memory at `addr'
) a# a7 r4 [3 C1 m! ~' {% Q" J+ E3 Y5 ~sf write addr offset|partition len - write `len' bytes from memory
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or to start of mtd `partition'4 \+ L( t5 i c [* z/ \) R
sf erase offset|partition [+]len - erase `len' bytes from `offset' ?8 O* ^3 N- [9 Y
or from start of mtd `partition'7 X5 H0 \- Y& z+ Y
`+len' round up `len' to block size$ U8 }( c6 d; |# Z- h. ~
sf update addr offset|partition len - erase and write `len' bytes from memor y3 Q+ B" r ^1 p: z2 [3 D
at `addr' to flash at `offset'" e) k2 ?+ w3 a: H2 H- {
or to start of mtd `partition'
" a# {5 I, h8 t! Vsf protect lock/unlock sector len - protect/unprotect 'len' bytes starting
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5 G0 q7 v! S/ _" R! Z; j, W4 FMarvell>>
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