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#1 2019-11-07 14:07:37

AppTurtle
会员
注册时间: 2018-09-09
累计积分: 8

华嵌HQEmbed S3 开发板,板载的SD NAND,官方BSP linux3.4 不能读数据,是什么坑?

通过外接TF卡启动,已经检测到卡,但是不能读0扇区??

[    1.549119] mmc1: new high speed SD card at address 00c3
[    1.555534] mmcblk1: mmc1:00c3 E1601 120 MiB 
[    1.561853] EXT4-fs (mmcblk0p2): recovery complete
[    1.567394] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.576619] mmcblk1: timed out sending r/w cmd command, card status 0x900
[    1.584394] end_request: I/O error, dev mmcblk1, sector 0
[    1.590513] Buffer I/O error on device mmcblk1, logical block 0
[    1.604367] mmcblk1: timed out sending r/w cmd command, card status 0x900
[    1.612138] end_request: I/O error, dev mmcblk1, sector 0
[    1.618341] Buffer I/O error on device mmcblk1, logical block 0
[    1.625085] ldm_validate_partition_table(): Disk read failed.
[    1.631948] mmcblk1: timed out sending r/w cmd command, card status 0x900
[    1.639633] end_request: I/O error, dev mmcblk1, sector 0
[    1.641868] Buffer I/O error on device mmcblk1, logical block 0
[    1.652668]  mmcblk1: unable to read partition table

最近编辑记录 AppTurtle (2019-11-07 14:09:23)

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#2 2019-11-07 14:14:11

晕哥
Administrator
注册时间: 2017-09-06
累计积分: 8,216

Re: 华嵌HQEmbed S3 开发板,板载的SD NAND,官方BSP linux3.4 不能读数据,是什么坑?

什么品牌的 SD NAND ?

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#3 2019-11-07 14:28:09

AppTurtle
会员
注册时间: 2018-09-09
累计积分: 8

Re: 华嵌HQEmbed S3 开发板,板载的SD NAND,官方BSP linux3.4 不能读数据,是什么坑?

应该就是在本论证上有宣传的,雷龙发展的

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#4 2019-11-07 14:34:52

晕哥
Administrator
注册时间: 2017-09-06
累计积分: 8,216

Re: 华嵌HQEmbed S3 开发板,板载的SD NAND,官方BSP linux3.4 不能读数据,是什么坑?

先按@mango 说的 sdio 引脚都加上 10k 上拉看下结果。

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