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zc706开发板SD卡uboot启动错误

菜鸟
2014-12-12 23:00:42     打赏
我是买的开发板,用直接下载的BOOT.bin能正常启动,我自己在xilinx官网下载的u-boot-xlnx-master.zip,生成BOOT.bin启动的时候出现下面的问题,MMC超时,请问是什么原因呀,我读mmc的信息也是显示超时
U-Boot 2014.01 (Dec 10 2014 - 21:42:04)


I2C:   ready
Memory: ECC disabled
DRAM:  1 GiB
MMC:   zynq_sdhci: 0
SF: Detected S25FL128S_64K with page size 512 Bytes, erase size 128 KiB, total 32 MiB
*** Warning - bad CRC, using default environment


In:    serial
Out:   serial
Err:   serial
Net:   Gem.e000b000
Hit any key to stop autoboot:  3  2  1  0 
sdhci_send_command: MMC: 0 busy timeout increasing to: 200 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 400 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 800 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 1600 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 3200 ms.
sdhci_send_command: MMC: 0 busy timeout.
sdhci_send_command: MMC: 0 busy timeout.
sdhci_send_command: MMC: 0 busy timeout.
sdhci_send_command: MMC: 0 busy timeout.
sdhci_send_command: MMC: 0 busy timeout.
sdhci_send_command: MMC: 0 busy timeout.
zynq-uboot> 



关键词: zc706          uboot    

高工
2014-12-15 10:12:13     打赏
2楼

有没有考虑sd的兼容性问题呢?

或者镜像没烧写好?


菜鸟
2014-12-15 21:00:25     打赏
3楼
我用下载的u-boot.elf编译好的boot.bin是对的。下载的uboot源码2014.1以后的版本都有这个问题,之前的版本v14.6就没事。

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