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[问答] 嵌入式摄像头系统运行过程中SD卡驱动(sdhci.c)报timeout错误
510 嵌入式
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如题,摄像头里面是一个嵌入式的linux操作系统
有lte上网模块,启动正常,在运行过程中随机出错。
一下是部分错误日志。如有知晓的,万望赐教,如能解决问题另有酬谢。

  1. mmc0: timeout waiting for hardware interrupt.
  2. sdhci:sdhci_dumpregs:88: sdhci: =========== REGISTER DUMP (mmc0)===========
  3. sdhci:sdhci_dumpregs:92: sdhci: Sys addr: 0x00000400 | Version:  0x00000603
  4. sdhci:sdhci_dumpregs:95: sdhci: Blk size: 0x00007200 | Blk cnt:  0x000002b0
  5. sdhci:sdhci_dumpregs:98: sdhci: Argument: 0x00000000 | Trn mode: 0x00000022
  6. sdhci:sdhci_dumpregs:101: sdhci: Present:  0x01ef0000 | Host ctl: 0x00000017
  7. sdhci:sdhci_dumpregs:104: sdhci: Power:    0x0000000f | Blk gap:  0x00000000
  8. sdhci:sdhci_dumpregs:107: sdhci: Wake-up:  0x00000000 | clock:    0x00000207
  9. sdhci:sdhci_dumpregs:110: sdhci: Timeout:  0x0000000e | Int stat: 0x00000000
  10. sdhci:sdhci_dumpregs:113: sdhci: Int enab: 0x13ff008b | Sig enab: 0x13ff008b
  11. sdhci:sdhci_dumpregs:116: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
  12. sdhci:sdhci_dumpregs:119: sdhci: Caps:     0x01fec0b0 | Caps_1:   0x00004800
  13. sdhci:sdhci_dumpregs:122: sdhci: Cmd:      0x00000c1b | Max curr: 0x00000000
  14. sdhci:sdhci_dumpregs:124: sdhci: Host ctl2: 0x00000000
  15. sdhci:sdhci_dumpregs:129: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x14271148
  16. sdhci:sdhci_dumpregs:131: sdhci: ===========================================
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2019-11-24 16:37:21   评论 分享淘帖 邀请回答
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帮忙顶一下,坐等大神解答
2019-11-25 11:21:38 评论

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