Oh I see. Thanks. On Tue, Feb 16, 2016 at 8:41 AM, Stephen Warren <swar...@wwwdotorg.org> wrote:
> On 02/16/2016 09:01 AM, Simon Glass wrote: > >> +Stephen who will know more >> >> Hi, >> >> On 13 February 2016 at 18:52, quantumlight <peter.feifan.c...@gmail.com> >> wrote: >> >>> I am trying to modify the bootloader code for NVIDIA's jetson board. >>> >>> So I am looking at crt0.S. It seems that two builds happen, one with >>> CONFIG_SPL_BUILD and one without. So you end up with two file, u-boot.bin >>> and spl/u-boot-spl.bin. >>> >> >> SPL is built with ARMv4t >> U-Boot proper is built with ARMv7 >> >> That's why SPL is used on Tegra. The SPL does not actually load >> U-Boot. In fact both are bundle together and loaded at the same time. >> SPL simply jumps to U-Boot when needed. >> > > There's some more background on this topic at: > > ftp://download.nvidia.com/tegra-public-appnotes/index.html > > In particular, see the "Tegra Boot Flow" link/document. > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot