On 1/3/19 6:33 AM, Chee, Tien Fong wrote: > On Tue, 2019-01-01 at 21:36 +0100, Marek Vasut wrote: >> On 1/1/19 3:52 AM, Chee, Tien Fong wrote: >>> >>> 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. >> Happy New Year to you too. >> >>> >>> 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. >> I hope you can wrap this into V7 . > Sure.
Thanks -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot