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本帖最后由 一只耳朵怪 于 2018-6-3 10:44 编辑
连上电源,打开串口后,输出如下: U-Boot SPL 2017.01-g340fb36f04 (Dec 23 2017 - 11:19:29) Trying to boot from MMC1 reading uboot.env ** Unable to read "uboot.env" from mmc0:1 ** Using default environment reading u-boot.img reading u-boot.img reading u-boot.img reading u-boot.img U-Boot 2017.01-g340fb36f04 (Dec 23 2017 - 11:19:29 -0500) CPU : AM335X-GP rev 2.1 Model: ti AM3359 ICE-V2 DRAM: 256 MiB ETH0, PRU ETH1, PRU NAND: 0 MiB MMC: OMAP SD/MMC: 0 reading uboot.env ** Unable to read "uboot.env" from mmc0:1 ** Using default environment Net: cpsw, u***_ether Hit any key to stop autoboot: 2 x08 x08 x08 1 x08 x08 x08 0 switch to partitions #0, OK mmc0 is current device SD/MMC found on device 0 reading boot.scr ** Unable to read file boot.scr ** reading uEnv.txt ** Unable to read file uEnv.txt ** switch to partitions #0, OK mmc0 is current device Scanning mmc 0:1... switch to partitions #0, OK mmc0 is current device SD/MMC found on device 0 ** File not found /boot/zImage ** MMC Device 1 not found no mmc device at slot 1 MMC Device 1 not found no mmc device at slot 1 SD/MMC found on device 1 MMC Device 1 not found MMC Device 1 not found ** Bad device mmc 1 ** ## Error: "bootcmd_nand0" not defined starting USB... No controllers found link up on port 0, speed 100, full duplex BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 BOOTP broadcast 6 BOOTP broadcast 7 BOOTP broadcast 8 BOOTP broadcast 9 BOOTP broadcast 10 BOOTP broadcast 11 BOOTP broadcast 12 BOOTP broadcast 13 BOOTP broadcast 14 BOOTP broadcast 15 BOOTP broadcast 16 BOOTP broadcast 17 BOOTP broadcast 18 BOOTP broadcast 19 BOOTP broadcast 20 BOOTP broadcast 21 BOOTP broadcast 22 BOOTP broadcast 23 BOOTP broadcast 24 BOOTP broadcast 25 BOOTP broadcast 26 BOOTP broadcast 27 BOOTP broadcast 28 BOOTP broadcast 29 Retry time exceeded; starting again ...... 我用的是sdk中自带的MLO和u-boot.bin. 请问这样该怎么解决? |
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2个回答
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具体制作过程请参考:processors.wiki.ti.com/.../AM335X_StarterWare_Booting_And_Flashing
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请看一下是否按照下面uboot user guide里的方法制作SD卡的?
processors.wiki.ti.com/.../Linux_Core_U-Boot_User's_Guide |
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