imx6qp ocram和uboot问题

[Harris]

大家好：

    最近在调一个imx6qp的板子（sabresd sdb），有一个疑问想跟大家请教一下。

   我看到有资料说，板子在上电后，boot rom会先拷贝IVT,Boot Data,设备配置数据DCD和用户代码数据等信息到片上ram（ocram）中，然后再根据这些信息启动uboot，那么最后uboot是运行在ocram中呢，还是运行在ddr里面的呢？是否有这方面相关的资料呢？

谢谢。

[weidong_sun]

Hi Harris,

    After power up, ROM CODE in CPU will read 4K code from Flash/SD card/eMMC to internal RAM, in the 4K data, code for DDR initialization is included, and will be used to initialize DDR, after DDR initialization is done, full u-boot will be loaded into DDR.

   So finally u-boot will run in DDR

   More information can be found in chapter boot flow in reference manual.

Have a nice day!

NXP TIC weidong sun

[Harris]

Thank you very much!