am335x用sd卡烧录时，烧录不成功，以下是打印信息，请问应该如何操作

kevinyang

am335x用sd卡烧录时，烧录不成功，以下是打印信息，请问应该如何操作 [复制链接]

U-Boot 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54)

I2C: ready
DRAM: 512 MiB
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - readenv() failed, using default environment

Net: not set. Validating first E-fuse MAC
cpsw, usb_ether
Hit any key to stop autoboot: 0
gpio: pin 53 (gpio 53) value is 1
mmc0 is current device
gpio: pin 54 (gpio 54) value is 1
SD/MMC found on device 0
reading uEnv.txt
1672 bytes read in 7 ms (232.4 KiB/s)
gpio: pin 55 (gpio 55) value is 1
Loaded environment from uEnv.txt
Importing environment from mmc ...
Checking if uenvcmd is set ...
gpio: pin 56 (gpio 56) value is 1
Running uenvcmd ...
reading zImage
4103240 bytes read in 232 ms (16.9 MiB/s)
reading initrd.img
2952617 bytes read in 170 ms (16.6 MiB/s)
reading /dtbs/am335x-boneblack.dtb
25926 bytes read in 13 ms (1.9 MiB/s)
Kernel image @ 0x82000000 [ 0x000000 - 0x3e9c48 ]
## Flattened Device Tree blob at 88000000
Booting using the fdt blob at 0x88000000
Using Device Tree in place at 88000000, end 88009545

Starting kernel ...

lidonglei1

好眼熟的芯片，让我想起了POS的开发套件AM3715，您是用开发板还是做的产品？

ienglgge

是开发板还是自己做的板子。NAND: 0 MiB，这个没读到数据吧。看看是不是硬件上，哪里不对呢。有没有正常的，可以对比一下。