On Sun, 2018-12-30 at 16:44 +0100, Marek Vasut wrote: > On 12/30/18 9:13 AM, tien.fong.c...@intel.com wrote: > > > > From: Tien Fong Chee <tien.fong.c...@intel.com> > > > > These series of patches enable peripheral bitstream being > > programmed into FPGA > > to get the DDR up running. This's also called early IO release, > > because the > > peripheral bitstream is only initializing FPGA IOs, PLL, IO48 and > > DDR. > > > > Once DDR is up running, core bitstream from MMC which contains user > > FPGA > > design would be loaded into DDR location. socfpga loadfs would be > > called to > > program core bitstream into FPGA and entering user mode. > > > > Lastly, u-boot-dtb.img from MMC FAT partition would be loaded to > > DDR, and up > > running from there. > > > > For this whole mechanism to work, the SDMMC flash layout would be > > designed as > > shown in below: > > > > RAW partition: > > 1. spl_w_dtb-mkpimage.bin > > mkpimage -hv 1 -o spl/spl_w_dtb-mkpimage.bin spl/u-boot-spl-dtb.bin > > spl/u-boot-spl-dtb.bin spl/u-boot-spl-dtb.bin spl/u-boot-spl- > > dtb.bin > > > > FAT partition contains: > > Bitstreams > > ---------- > > Early IO release method is recommended for the sake of performance, > > improve > > up to 86% compare to full RBF. > > > > 1. ghrd_10as066n2.periph.rbf.mkimage > > mkimage -A arm -T firmware -C none -O u-boot -a 0 -e 0 -n \"RBF\" > > -d > > ghrd_10as066n2.periph.rbf ghrd_10as066n2.periph.rbf.mkimage > > > > 2. ghrd_10as066n2.core.rbf.mkimage > > mkimage -A arm -T firmware -C none -O u-boot -a 0 -e 0 -n \"RBF\" > > -d > > ghrd_10as066n2.core.rbf ghrd_10as066n2.core.rbf.mkimage > > > > OR > > > > 1. ghrd_10as066n2.rbf.mkimage (full RBF) > > mkimage -A arm -T firmware -C none -O u-boot -a 0 -e 0 -n \"RBF\" > > -d > > ghrd_10as066n2.rbf ghrd_10as066n2.rbf.mkimage > > > > U-Boot image > > ------------ > > 3. u-boot-dtb.img > > > > For the testing purpose, these two patches are required to apply > > 1st before > > applying this series of patches. > > 1. [U-Boot] [PATCH] misc: fs_loader: Switching private data > > allocation to DM > > auto allocation > > https://www.mail-archive.com/u-boot@lists.denx.de/msg308954.html > > Reviewed-by: Simon Glass <s...@chromium.org> > > > > 2. [U-Boot] [PATCH v2] Add support for initializing MMC > > https://www.mail-archive.com/u-boot@lists.denx.de/msg310532.html > > Version 2 under review. > The above should be made into documentation, since cover letters are > dropped. Happy new year Marek.
Yeah, the document would be sent out once the implementation is finalized. Hence, we need your mercy and help to get this done :-P, just kidding. > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot