［原创］Flow of U-Boot Starup

2009-12-20 13:40| 发布者: admin| 查看: 69| 评论: 0|原作者: 天仙子

screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://file:///tmp/moz-screenshot.jpg');}" onmousewheel="return imgzoom(this);" alt="" />

screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://blogimg.chinaunix.net/blog/upfile2/081126143659.jpg');}" onmousewheel="return imgzoom(this);" alt="" />

Lowlevel initialization: Implements
basic hardware initialization, including the clock setting and
SDRAM initialization, and so on;

Relocate: Copy U-Boot from Flash to SDRAM, including the code and data section (.text, .rodata, .data and .got );

Setup stack: Establish the environment of C language;

Clean bss: Clean the bss section;

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［原创］Flow of U-Boot Starup

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