On 6/10/2025 11:42 AM, Quentin Schulz wrote: > From: Quentin Schulz <quentin.sch...@cherry.de> > > This implements checkboard() to print the current SoC model used by a > board, e.g. one of: > > SoC: PX30 > SoC: PX30S > SoC: PX30K > SoC: RK3326 > SoC: RK3326S > > when U-Boot proper is running. > > The information is read from the OTP and also the DDR_GRF. There's no > public information as far as I know about the layout and stored > information on OTP but this was provided by Rockchip themselves through > their support channel. > > The OTP stores the information of whether the SoC is PX30K or something > else. To differentiate between PX30/RK3326 and PX30S/RK3326S, one needs > to read some undocumented bitfield in a DDR_GRF register as done in > vendor kernel, > c.f. > https://github.com/armbian/linux-rockchip/blob/rk-6.1-rkr5.1/drivers/soc/rockchip/rockchip-cpuinfo.c#L118-L133 > > I do not own a PX30S, nor RK3326/RK3326S so cannot test it works > properly. > > Also add the OTP node to the pre-relocation phase of U-Boot proper so > that the SoC variant can be printed when DISPLAY_BOARDINFO is enabled. > This is not required if DISPLAY_BOARDINFO_LATE is enabled because this > happens after relocation. If both are enabled, then the SoC variant will > be printed twice in the boot log, e.g.: > > U-Boot 2025.07-rc3-00014-g7cb731574ae6-dirty (May 28 2025 - 13:52:47 +0200) > > Model: Theobroma Systems PX30-uQ7 SoM on Haikou devkit > SoC: PX30 <---- due to DISPLAY_BOARDINFO > DRAM: 2 GiB > PMIC: RK809 (on=0x40, off=0x00) > Core: 293 devices, 27 uclasses, devicetree: separate > MMC: mmc@ff370000: 1, mmc@ff390000: 0 > Loading Environment from MMC... Reading from MMC(1)... OK > > In: serial@ff030000 > Out: serial@ff030000 > Err: serial@ff030000 > Model: Theobroma Systems PX30-uQ7 SoM on Haikou devkit > SoC: PX30 <----- due to DISPLAY_BOARDINFO_LATE > Net: eth0: ethernet@ff360000 > > Signed-off-by: Quentin Schulz <quentin.sch...@cherry.de>
I have now tested this on my RK3326 ODROID-GO Super: U-Boot 2025.07 (Jul 13 2025 - 10:07:16 +0000) Model: ODROID-GO Super SoC: RK3326 DRAM: 1 GiB (total 1022 MiB) so this is, Reviewed-by: Jonas Karlman <jo...@kwiboo.se> Regards, Jonas > --- > Tested on a PX30 Ringneck and PX30K Ringneck. Would be nice if anyone > had a device with a PX30S, RK3326 or RK3326S so we could verify it > prints what it should :) > --- > Changes in v3: > - added (theoretical, untested) support for RK3326/RK3326S based on > feedback from Jonas, > - Link to v2: > https://lore.kernel.org/r/20250606-px30-identify-variant-v2-1-624d34ccc...@cherry.de > > Changes in v2: > - added (theoretical, untested) support for PX30S based on feedback from > Kever, > - Link to v1: > https://lore.kernel.org/r/20250528-px30-identify-variant-v1-1-4ea69c527...@cherry.de > --- > arch/arm/dts/px30-u-boot.dtsi | 4 +++ > arch/arm/mach-rockchip/px30/px30.c | 61 > ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 65 insertions(+) [snip]
