On Fri, Mar 31, 2023 at 11:27:27AM -0700, Evan Green wrote: > Add memory info for the D1 Nezha, which seems to be required for it to > boot with the stock firmware. Note that this hardcodes 1GB, which is > not technically correct as they also make models with different amounts > of RAM. > Is the firmware supposed to populate this? Yup. Samuel intentionally did it this way: https://lore.kernel.org/linux-riscv/8a2194bf-93bd-de4d-8d39-0cd72aabb0a9@xxxxxxxxxxxx/ Since I don't like using the firmware provided stuff to more easily test I do this in my u-boot boot script: tftp 0x54000000 d1-fitImage.fit bootm start 0x54000000 bootm loados 0x54000000 bootm ramdisk; bootm prep; fdt memory 0x40000000 0x20000000 bootm go; Hope either of the above are helpful, Conor. > > Signed-off-by: Evan Green <evan@xxxxxxxxxxxx> > > --- > > arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts > index 4ed33c1e7c9c..6aba68cf5541 100644 > --- a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts > +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts > @@ -32,6 +32,12 @@ / { > model = "Allwinner D1 Nezha"; > compatible = "allwinner,d1-nezha", "allwinner,sun20i-d1"; > > + // FIXME: this is temporary. > + memory@40000000 { > + device_type = "memory"; > + reg = <0x40000000 0x40000000>; /* 1 GB */ > + }; > + > aliases { > ethernet0 = &emac; > ethernet1 = &xr829; > -- > 2.25.1 >
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