Difference between revisions of "Boot up sequence"

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(Created page with '#OMAP3 ROM Boot with IGEPv2 hardware configuration (sys_boot[6..0]=0110000) tries to load x-loader from ... ##USB ##UART3 ##MMC1 ##OneNAND #X-loader (Flash or microSD) loads…')
 
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#Linux kernel (Network or microSD or Flash) uses configured rootfs cmdline  
 
#Linux kernel (Network or microSD or Flash) uses configured rootfs cmdline  
 
#Root FS (Network or microSD or Flash or USB or RAMDISK ...)
 
#Root FS (Network or microSD or Flash or USB or RAMDISK ...)
 
 
 
= How to boot from UART3 =
 
 
  
  

Revision as of 17:49, 10 January 2012

  1. OMAP3 ROM Boot with IGEPv2 hardware configuration (sys_boot[6..0]=0110000) tries to load x-loader from ...
    1. USB
    2. UART3
    3. MMC1
    4. OneNAND
  2. X-loader (Flash or microSD) loads uboot
  3. U-boot (Flash or microSD) uses "bootcmd" environment command
  4. Default ISEE U-boot "bootcmd" environment (Flash) tries to load Linux kernel from...
    1. Network boot (Linux TFTP download + NFS rootfs export from ISEE SDK Virtual Machine)
    2. microSD boot
    3. Flash boot
  5. Linux kernel (Network or microSD or Flash) uses configured rootfs cmdline
  6. Root FS (Network or microSD or Flash or USB or RAMDISK ...)


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