On 05/03/2014 20:01, Marek Vasut wrote: > When using HAB, there are additional special requirements on the placement of > U-Boot and the U-Boot SPL in memory. To fullfill these, this patch moves the > U-Boot binary a little further from the begining of the DRAM, so the HAB CST > and IVT can be placed in front of the U-Boot binary. This is necessary, since > both the U-Boot and the IVT must be contained in single CST signature. To > make things worse, the IVT must be concatenated with one more entry at it's > end, that is the length of the entire CST signature, IVT and U-Boot binary > in memory. By placing the blocks in this order -- CST, IVT, U-Boot, we can > easily align them all and then produce the length field as needed. > > As for the SPL, on i.MX23/i.MX28, the SPL size is limited to 32 KiB, thus > we place the IVT at 0x8000 offset, CST right past IVT and claim the size > is correct. The HAB library accepts this setup. > > Finally, to make sure the vectoring in SPL still works even after moving > the SPL from 0x0 to 0x1000, we add a small function which copies the > vectoring code and tables to 0x0. This is fine, since the vectoring code > is position independent. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Stefano Babic <sba...@denx.de> > ---
Applied to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
