Hi, On Fri, Dec 22, 2023 at 9:32 PM Raymond Mao <raymond....@linaro.org> wrote: > > Get devicetree from a bloblist if it exists. > If not, fallback to get FDT from the specified memory address. > > Signed-off-by: Raymond Mao <raymond....@linaro.org> > --- > Changes in v2 > - Refactor of board_fdt_blob_setup(). > > board/emulation/qemu-arm/qemu-arm.c | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) >
I believe this patch will not be needed, since we have fdtdec_setup() to do this. > diff --git a/board/emulation/qemu-arm/qemu-arm.c > b/board/emulation/qemu-arm/qemu-arm.c > index e225011bf0..d326668caf 100644 > --- a/board/emulation/qemu-arm/qemu-arm.c > +++ b/board/emulation/qemu-arm/qemu-arm.c > @@ -149,9 +149,17 @@ int dram_init_banksize(void) > > void *board_fdt_blob_setup(int *err) > { > + void *fdt = NULL; > *err = 0; > - /* QEMU loads a generated DTB for us at the start of RAM. */ > - return (void *)CFG_SYS_SDRAM_BASE; > + > + /* Check if a DTB exists in bloblist */ > + if (IS_ENABLED(CONFIG_BLOBLIST) && !bloblist_maybe_init()) > + fdt = bloblist_find(BLOBLISTT_CONTROL_FDT, 0); > + if (!fdt) > + /* QEMU loads a generated DTB for us at the start of RAM. */ > + return (void *)CFG_SYS_SDRAM_BASE; > + > + return fdt; > } > > int board_bloblist_from_boot_arg(unsigned long addr, unsigned long size) > -- > 2.25.1 > Regards, Simon