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可以用SD卡烧写程序，但是进入Android系统后，却检测不到SD卡，这是什么问题 刷的程序是光盘自带的程序 [ 1.466900]mmc0: new high speed SDHC card at address 1234 [ 1.447024] mmcblk0: mmc0:1234 SA08G 7.28 GiB [ 1.448323] mmcblk0: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x0 [ 1.448401] mmcblk0: retrying using single block read [ 1.448580] mmcblk0: error -84 sending status command, retrying [ 1.454494] mmcblk0: timed out sending r/w cmd command, card status 0xb00 [ 1.461207] mmcblk0: status not valid, retrying timeout [ 1.467230] mmcblk0: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x0 [ 48.940532] mmc0: Got data interrupt 0x00200000 even though no data operation was in progress. [ 48.940730] mmc0: Got data interrupt 0x00200000 even though no data operation was in progress. [ 48.940925] mmc0: Got data interrupt 0x00200000 even though no data operation was in progress. [ 48.944143] mmc0: Got data interrupt 0x00000002 even though no data operation was in progress. [ 48.952829] mmcblk0: error -84 transferring data, sector 0, nr 32, cmd response 0x900, card status 0x0 [ 48.962908] mmcblk0: retrying using single block read [ 48.968376] mmcblk0: error -84 transferring data, sector 0, nr 32, cmd response 0x900, card status 0x0 [ 48.995285] end_request: I/O error, dev mmcblk0, sector 0 [ 48.996431] mmcblk0: error -84 transferring data, sector 1, nr 31, cmd response 0x900, card status 0x0 [ 48.996517] end_request: I/O error, dev mmcblk0, sector 1 [ 48.997338] mmcblk0: error -84 transferring data, sector 2, nr 30, cmd response 0x900, card status 0x0 [ 49.010501] end_request: I/O error, dev mmcblk0, sector 2 [ 49.012790] mmcblk0: error -84 transferring data, sector 3, nr 29, cmd response 0x900, card status 0x0 [ 49.023255] end_request: I/O error, dev mmcblk0, sector 3 [ 49.029258] mmcblk0: error -84 transferring data, sector 4, nr 28, cmd response 0x900, card status 0x0 [ 49.035719] end_request: I/O error, dev mmcblk0, sector 4 [ 49.041184] mmcblk0: error -84 transferring data, sector 5, nr 27, cmd response 0x900, card status 0x0 [ 49.059635] end_request: I/O error, dev mmcblk0, sector 5 [ 49.060739] mmcblk0: error -84 transferring data, sector 6, nr 26, cmd response 0x900, card status 0x0 [ 49.069746] end_request: I/O error, dev mmcblk0, sector 6 [ 49.074046] mmcblk0: error -84 transferring data, sector 7, nr 25, cmd response 0x900, card status 0x0 [ 49.095596] end_request: I/O error, dev mmcblk0, sector 7 [ 49.095655] Buffer I/O error on device mmcblk0, logical block 0 [ 49.096738] mmcblk0: error -84 transferring data, sector 8, nr 24, cmd response 0x900, card status 0x0 [ 49.099414] end_request: I/O error, dev mmcblk0, sector 8 [ 49.109092] mmcblk0: error -84 transferring data, sector 9, nr 23, cmd response 0x900, card status 0x0 [ 49.113907] end_request: I/O error, dev mmcblk0, sector 9 [ 49.120324] mmcblk0: error -84 transferring data, sector 10, nr 22, cmd response 0x900, card status 0x0 [ 49.128619] end_request: I/O error, dev mmcblk0, sector 10 [ 49.135075] mmcblk0: error -84 transferring data, sector 11, nr 21, cmd response 0x900, card status 0x0 [ 49.143473] end_request: I/O error, dev mmcblk0, sector 11 [ 49.149881] mmcblk0: error -84 transferring data, sector 12, nr 20, cmd response 0x900, card status 0x0 [ 49.158271] end_request: I/O error, dev mmcblk0, sector 12 [ 49.166437] mmcblk0: error -84 transferring data, sector 13, nr 19, cmd response 0x900, card status 0x0 [ 49.173167] end_request: I/O error, dev mmcblk0, sector 13 [ 49.179811] mmcblk0: error -84 transferring data, sector 14, nr 18, cmd response 0x900, card status 0x0 [ 49.191026] end_request: I/O error, dev mmcblk0, sector 14 [ 49.197969] mmcblk0: error -84 transferring data, sector 15, nr 17, cmd response 0x900, card status 0x0 [ 49.221438] end_request: I/O error, dev mmcblk0, sector 15 [ 49.221497] Buffer I/O error on device mmcblk0, logical block 1 [ 49.222512] mmcblk0: error -84 transferring data, sector 16, nr 16, cmd response 0x900, card status 0x0 [ 49.223410] end_request: I/O error, dev mmcblk0, sector 16 [ 49.237946] mmcblk0: error -84 transferring data, sector 17, nr 15, cmd response 0x900, card status 0x0 [ 49.238217] end_request: I/O error, dev mmcblk0, sector 17 [ 49.252294] Buffer I/O error on device mmcblk0, logical block 2 [ 49.258299] mmcblk0: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x0 [ 49.258754] mmcblk0: retrying using single block read [ 49.272515] mmcblk0: error -84 sending status command, retrying [ 49.274318] mmcblk0: timed out sending r/w cmd command, card status 0xb00 [ 49.276651] mmcblk0: status not valid, retrying timeout [ 49.292598] mmcblk0: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x0 [ 49.292689] end_request: I/O error, dev mmcblk0, sector 0 [ 49.300524] mmcblk0: error -84 transferring data, sector 1, nr 7, cmd response 0x900, card status 0x0 [ 49.308791] end_request: I/O error, dev mmcblk0, sector 1 [ 49.311813] mmcblk0: error -84 transferring data, sector 2, nr 6, cmd response 0x900, card status 0x0 [ 49.355009] end_request: I/O error, dev mmcblk0, sector 2 [ 49.361467] mmcblk0: error -84 transferring data, sector 3, nr 5, cmd response 0x900, card status 0x0 [ 49.361547] end_request: I/O error, dev mmcblk0, sector 3 [ 49.365608] mmcblk0: error -84 transferring data, sector 4, nr 4, cmd response 0x900, card status 0x0 [ 49.365689] end_request: I/O error, dev mmcblk0, sector 4 [ 49.377642] mmcblk0: error -84 transferring data, sector 5, nr 3, cmd response 0x900, card status 0x0 [ 49.377725] end_request: I/O error, dev mmcblk0, sector 5 [ 49.394943] mmcblk0: error -84 transferring data, sector 6, nr 2, cmd response 0x900, card status 0x0 [ 49.395024] end_request: I/O error, dev mmcblk0, sector 6 [ 49.404998] mmcblk0: error -84 transferring data, sector 7, nr 1, cmd response 0x900, card status 0x0 [ 49.406637] end_request: I/O error, dev mmcblk0, sector 7 [ 49.412004] Buffer I/O error on device mmcblk0, logical block 0 怀疑是GPIO驱动能力不够，
你可以修改 arch/arm/mach-s5pv210/setup-sdhci-gpio.c , 把 S3C_GPIO_DRVSTR_1X 改成 S3C_GPIO_DRVSTR_2X 或 S3C_GPIO_DRVSTR_3X 或 S3C_GPIO_DRVSTR_4X 试试 |
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