Hi, On Sat, May 23, 2020 at 2:04 AM <su...@amarulasolutions.com> wrote: > > From: Suniel Mahesh <su...@amarulasolutions.com> > > This patch series adds runtime detection of add-on board(ROC-RK3399-PC > Mezzanine) by > enabling I2C in SPL. > This add on board hosts a CW2015 chip which is connected as slave to I2C2. In > order > to dynamically detect this add-on board at runtime, I2C2 is probed in SPL. If > probe > is successfull then a corresponding dtb is loaded, else regular dtb is loaded > for > the u-boot proper. > > Patch #1 moves board initialiation code after rk3399 init is done. Patch #2 > enables > I2C in SPL for any add-on board detection at run time. Patch #3 adds support > for > add-on board run-time detection. Patch #4 drops ROC-RK3399-PC Mezzanine board > as this > is an add-on board, it will be detected at runtime. Patch #5 enables PCIe/M.2 > and NVMe, > as this add-on board has a PCIe/M.2. > > Jagan Teki (1): > rockchip: spl: Move board_early_init_f after cpu timer > > Suniel Mahesh (4): > roc-pc-rk3399: Enable I2C in SPL for add-on board detection > roc-pc-rk3399: Add support for add-on board run-time detection > rk3399: drop ROC-RK3399-PC Mezzanine board > roc-pc-rk3399: Enable PCIe/M.2, NVMe > > arch/arm/dts/rk3399-roc-pc-u-boot.dtsi | 13 +++++ > arch/arm/mach-rockchip/spl.c | 5 +- > board/firefly/roc-pc-rk3399/MAINTAINERS | 2 - > board/firefly/roc-pc-rk3399/roc-pc-rk3399.c | 56 ++++++++++++++++++++++ > configs/roc-pc-mezzanine-rk3399_defconfig | 74 > -----------------------------
FYI this is going to be problematic for people that have the non-POE version of the mezzanine board and still want to access NVMe from U-boot. Maybe worth keeping a target for these people to use. ChenYu > configs/roc-pc-rk3399_defconfig | 10 +++- > 6 files changed, 81 insertions(+), 79 deletions(-) > delete mode 100644 configs/roc-pc-mezzanine-rk3399_defconfig > > -- > 2.7.4 >
