SDK6.0 uboot mmc0 无法启动

hello 下载了官网的 SDK6.0 开发包，编译了SDK6.0 中的uboot, 提示如下：

U-Boot SPL 2013.01.01-svn271 (Oct 18 2016 – 23:10:34)
enable_board_pin_muxmusb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
boot from SD card…OMAP SD/MMC: 0
mmc_send_cmd : timeout: No status update
Card did not respond to voltage select!
spl: mmc init failed: err – -17
### ERROR ### Please RESET the board ###

请大侠们帮忙看看！

Jian Zhou：

是在TI的demo板上调试的么？这个错误感觉是SD卡接口硬件有问题。