[Arm-netbook] http://rhombus-tech.net/allwinner_a10/a10_boot_process/

[Peter Korsgaard]

>>>>> "Tom" == Tom Cubie <tangliang at allwinnertech.com> writes:

 Tom> If A10 directly load the u-boot, we will have to add a head to 
 Tom> u-boot.bin file, this head let brom agree to load a small part of u-boot 
 Tom> to the sram then jumps to sram. Then the code in sram init sdram and 
 Tom> loads the other parts of u-boot.bin to sdram. I think maybe we need a 
 Tom> open source version of boot0, which init the sdram and loads u-boot to 
 Tom> sdram, and u-boot do all the other things.

That's exactly what U-Boot's SPL (Second Program Loader) support is
for. It is used by E.G. SoCs from Freescale/TI/Samsung which have
similar boot ROMs.

-- 
Bye, Peter Korsgaard