fly1000fans的专栏

# Include autoconf.mk before config.mk so that the config options are available# to all top level build files. We need the dummy all: target to prevent the# dependency target in autoconf.mk.dep fr...

一、uboot编译起始部分打印Generating include/autoconf.mkGenerating include/autoconf.mk.depfor dir in tools examples/standalone examples/api cpu/arm920t /home/fly1000fans/source/u-boot-2010.03/cpu/arm920t/ ;...

转载地址AT91RM9200 的时钟源有4个：慢时钟(SLK)主时钟(Main Clock)PLLA，PLLB在这里需要区别一个概念：主时钟和主机时钟主时钟（main clock）是指输入主振荡器的时钟主机时钟（mck）指CPU的时钟频率。 主机时钟可以在4个时钟源中选择（时钟选择器）一个作为本身的时钟时钟设置流程启动代码中一些预定义的值