Bin Meng <bmeng...@gmail.com> 於 2018年10月25日 週四 上午10:33寫道: > > Hi Rick, > > On Thu, Oct 25, 2018 at 9:20 AM Andes <ub...@andestech.com> wrote: > > > > From: Rick Chen <r...@andestech.com> > > > > ax25-ae350 use CONFIG_OF_BOARD which allow the board to > > override the fdt address. And prior_stage_fdt_address offer > > a temporary memory address to keep the dtb address which was > > passed from loader(gdb) to u-boot with a1. > > nits: U-Boot > > > > > Signed-off-by: Rick Chen <r...@andestech.com> > > Cc: Greentime Hu <greent...@andestech.com> > > --- > > board/AndesTech/ax25-ae350/ax25-ae350.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/board/AndesTech/ax25-ae350/ax25-ae350.c > > b/board/AndesTech/ax25-ae350/ax25-ae350.c > > index 5f4ca0f..d343453 100644 > > --- a/board/AndesTech/ax25-ae350/ax25-ae350.c > > +++ b/board/AndesTech/ax25-ae350/ax25-ae350.c > > @@ -14,6 +14,7 @@ > > > > DECLARE_GLOBAL_DATA_PTR; > > > > +extern phys_addr_t prior_stage_fdt_address; > > /* > > * Miscellaneous platform dependent initializations > > */ > > @@ -66,7 +67,7 @@ ulong board_flash_get_legacy(ulong base, int banknum, > > flash_info_t *info) > > > > void *board_fdt_blob_setup(void) > > { > > - void **ptr = (void *)CONFIG_SYS_SDRAM_BASE; > > + void **ptr = (void *)&prior_stage_fdt_address; > > if (fdt_magic(*ptr) == FDT_MAGIC) > > return (void *)*ptr; > > > > -- > > board_fdt_blob_setup() should be completely removed. Instead the > simple fix should be add CONFIG_OF_PRIOR_STAGE to your board defconfig > files. >
Hi Bin I have tried to switch from CONFIG_OF_BOARD to CONFIG_OF_PRIOR_STAGE. But it will lost the function that dtb will be pre-burned into designated flash location, when U-Boot was booting from flash. How can I achieve that with CONFIG_OF_PRIOR_STAGE ? Rick > Regards, > Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot