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linux - 如何进入uboot命令提示符?

转载 作者:IT王子 更新时间:2023-10-29 00:01:02 25 4
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我有一个使用 UBOOT 引导进入 Linux 的系统。当我通过串行端口连接到它时,我可以看到它正在启动。我怎样才能阻止它启动 UBOOT 并获得 UBOOT 命令提示符?

在启动过程中,我可以在连接的串行终端上看到以下消息:

Security Framework initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
devtmpfs: initialized
TI81XX: Map 0xb3200000 to 0xfe500000 for dram barrier
TI81XX: Map 0x40300000 to 0xfe600000 for sram barrier
omap_voltage_early_init: voltage driver support not added
regulator: core version 0.5
regulator: dummy:
NET: Registered protocol family 16
omap_voltage_domain_lookup: Voltage driver init not yet happened.Faulting!
omap_voltage_add_dev: VDD specified does not exist!
OMAP GPIO hardware version 0.1
OMAP GPIO hardware version 0.1
OMAP GPIO hardware version 0.1
OMAP GPIO hardware version 0.1
Cannot clk_get ck_32
.....

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