Hi Weijie, On 15 November 2018 at 23:08, Weijie Gao <weijie....@mediatek.com> wrote: > On Thu, 2018-11-15 at 11:21 -0800, Simon Glass wrote: >> Hi, >> >> On 14 November 2018 at 18:07, Ryder Lee <ryder....@mediatek.com> wrote: >> > From: Weijie Gao <weijie....@mediatek.com> >> > >> > This adds a general board file based on MT7623 SoCs from MediaTek. >> > >> > As this u-boot is loaded by MTK proprietary preloader, there is no >> > low level initializtion codes. >> > >> > Signed-off-by: Weijie Gao <weijie....@mediatek.com> >> > Signed-off-by: Ryder Lee <ryder....@mediatek.com> >> > Tested-by: Matthias Brugger <matthias....@gmail.com> >> > --- >> > Changes since v5: None >> > Changes since v4: >> > -Add gd->bd->bi_boot_params for legacy method - ATAGs. >> > --- >> > arch/arm/mach-mediatek/Kconfig | 13 ++++ >> > arch/arm/mach-mediatek/Makefile | 1 + >> > arch/arm/mach-mediatek/mt7623/Makefile | 4 ++ >> > arch/arm/mach-mediatek/mt7623/init.c | 54 +++++++++++++++ >> > arch/arm/mach-mediatek/mt7623/lowlevel_init.S | 22 ++++++ >> > arch/arm/mach-mediatek/mt7623/preloader.h | 99 +++++++++++++++++++++++++++ >> > board/mediatek/mt7623/Kconfig | 13 ++++ >> > board/mediatek/mt7623/MAINTAINERS | 7 ++ >> > board/mediatek/mt7623/Makefile | 3 + >> > board/mediatek/mt7623/mt7623_rfb.c | 16 +++++ >> > configs/mt7623n_bpir2_defconfig | 54 +++++++++++++++ >> > include/configs/mt7623.h | 56 +++++++++++++++ >> > 12 files changed, 342 insertions(+) >> > create mode 100644 arch/arm/mach-mediatek/mt7623/Makefile >> > create mode 100644 arch/arm/mach-mediatek/mt7623/init.c >> > create mode 100644 arch/arm/mach-mediatek/mt7623/lowlevel_init.S >> > create mode 100644 arch/arm/mach-mediatek/mt7623/preloader.h >> > create mode 100644 board/mediatek/mt7623/Kconfig >> > create mode 100644 board/mediatek/mt7623/MAINTAINERS >> > create mode 100644 board/mediatek/mt7623/Makefile >> > create mode 100644 board/mediatek/mt7623/mt7623_rfb.c >> > create mode 100644 configs/mt7623n_bpir2_defconfig >> > create mode 100644 include/configs/mt7623.h >> >> Can this use the bloblist feature which should land soon? >> >> For now, see dm/spl-working. >> >> Regards, >> Simon > > Hi Simon, > > I've read the code for spl handoff. It's a good way though but > unfortunately it cannot be applied to the MT7623 boards. > > The reason is that MT7623 uses a MediaTek proprietary preloader which > has the same function as the U-Boot SPL. But the preloader is > close-sourced (by company policy) and only available in binary release. > This means we can't use a real U-Boot SPL to replace the preloader.
Can you work to get U-Boot SPL running on the chip? What is the reason for the proprietary SPL? > > At present this chip has already been used in many products. We can't > either release a different preloader which introduces compatibility > issues. What sort of compatibility issues? I cannot see any advantage with a proprietary SPL. > > So the conclusion is that we cannot use the bloblist feature for this > SoC. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
