Hi E, On Tue, 27 Jan 2026 at 17:36, E Shattow <[email protected]> wrote: > > Hi Simon, > > On 1/26/26 18:55, Simon Glass wrote: > > Hi Heinrich, > > > > On Mon, 31 Mar 2025 at 05:14, Heinrich Schuchardt > > <[email protected]> wrote: > >> > >> On 30.03.25 17:15, Heinrich Schuchardt wrote: > >>> On 23.03.25 16:58, Marek Vasut wrote: > >>>> Use clock-names property which is accessible via parent clock OF node > >>>> to look up the parent clock by name instead of depending on unreliable > >>>> global clock name to perform look up. > >>>> > >>>> Signed-off-by: Marek Vasut <[email protected]> > >>> > >>> This patch breaks booting starfive_visionfive2_defconfig in the SPL stage. > >>> > >>> To dig a bit deeper I enabled the debug UART for SPL with these setting > >>> on origin/master (5e74863ad6613df): > >>> > >>> CONFIG_DEBUG_UART=y > >>> CONFIG_DEBUG_UART_NS16550=y > >>> CONFIG_DEBUG_UART_BASE=0x10000000 > >>> CONFIG_DEBUG_UART_CLOCK=24000000 > >>> CONFIG_SPL_DEBUG_UART_BASE=0x10000000 > >>> CONFIG_DEBUG_UART_SHIFT=2 > >>> > >>> clk_register: failed to get pll0_out device (parent of perh_root) > >>> clk_register: failed to get pll0_out device (parent of qspi_ref_src) > >>> clk_register: failed to get pll0_out device (parent of usb_125m) > >>> clk_register: failed to get pll0_out device (parent of gmac_src) > >>> clk_register: failed to get pll0_out device (parent of gmac1_gtxclk) > >>> clk_register: failed to get pll0_out device (parent of gmac0_gtxclk) > >>> > >>> Marek assumes that property bootph-pre-ram might be missing for some > >>> clocks in arch/riscv/dts/jh7110-u-boot.dtsi. > >> > >> This change suggested by Marek resolves the issue: > >> > >> diff --git a/arch/riscv/dts/jh7110-u-boot.dtsi > >> b/arch/riscv/dts/jh7110-u-boot.dtsi > >> index ce7d9e16961..4ed764393bb 100644 > >> --- a/arch/riscv/dts/jh7110-u-boot.dtsi > >> +++ b/arch/riscv/dts/jh7110-u-boot.dtsi > >> @@ -113,3 +113,7 @@ > >> &sys_syscon { > >> bootph-pre-ram; > >> }; > >> + > >> +&pllclk { > >> + bootph-pre-ram; > >> +}; > > > > I just hit this as well, thanks for the post. > > > > However, -master still does not boot for me on vf2: > > > > U-Boot SPL 2026.04-rc1 (Jan 26 2026 - 19:52:48 -0700) > > DDR version: dc2e84f0. > > Trying to boot from MMC2 > > spl: partition error > > Error: -38 > > SPL: Unsupported Boot Device! > > SPL: failed to boot from all boot devices > > ### ERROR ### Please RESET the board ### > > > > Regards, > > Simon > > Is this to be expected? ref: > https://docs.u-boot.org/en/latest/board/starfive/visionfive2.html#zero-stage-bootloader > > The JH-7110 has enough SRAM to contain the unfiltered devicetree if you > would like to experiment without filtering to reduce size for the SPL. > > Meanwhile though the uses of "sd card image" for U-Boot SPL to access > MMC are not anymore supported; transition to instead use the remaining > supported methods SPI Flash or UART Serial.
I'm not sure that I can make that work in my lab. I have a SPI-flash emulator for some boards, but it requires a special probe. What is wrong with putting U-Boot on the SD card? Regards, Simon
