u-boot-2015.04 SD card mmc device -1 not found

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u-boot-2015.04 SD card mmc device -1 not found

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fulinux
Contributor IV

Hi,

a  uboot-imx/include/configs/mx6sabresd.h file:

#define CONFIG_SYS_FSL_USDHC_NUM    3

#define CONFIG_SYS_MMC_ENV_DEV      1   /* SDHC3 */

#define CONFIG_SYS_MMC_ENV_PART                0       /* user partition */

uboot log:

U-Boot 2015.04-14468-g19b5506-dirty (Apr 17 2016 - 21:32:07)

CPU:   Freescale No MMC card foundi.MX6Q rev1.5 at 792 MHz

CPU:   Temperature 24 C

Reset cause: POR

Board: MX6-SabreSD

I2C:   ready

DRAM:  3.8 GiB

MMC:   FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2

MMC Device -1 not found

No MMC card found

what's wrong with it?

有人可以帮我看看这时什么原因吗?

我该怎么找问题的原因,希望大家帮我看看。

我的板子上flash 有32G,用了sd1和sd3两个控制器,在u-boot-2009.08上运行是可以的,现在想移植u-boot-2015.04,就碰到了这个问题,我已经被这个问题困扰了一个星期了,希望大家帮我看看,谢谢了。

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b45499
NXP TechSupport
NXP TechSupport

Hi,

关于u-boot的移植,建议你参考我们官网提供对应BSP版本的i.MX_BSP_Porting_Guide.pdf文档,第一部分就是关于u-boot移植的步骤。u-boot-2015.04和u-boot-2009.08版本的移植有些区别的。建议你按照我们官网提供的文档来移植。
Have a great day,
Dan

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