This patch will generate a oftree on the fly, if no dtb is specified on the cmd line. Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- arch/sandbox/board/dtb.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/arch/sandbox/board/dtb.c b/arch/sandbox/board/dtb.c index 9d4210164e01..708eca903a38 100644 --- a/arch/sandbox/board/dtb.c +++ b/arch/sandbox/board/dtb.c @@ -38,15 +38,25 @@ int barebox_register_dtb(const void *new_dtb) static int of_sandbox_init(void) { struct device_node *root; + int ret; - if (!dtb) - return 0; + if (dtb) { + root = of_unflatten_dtb(dtb); + } else { + root = of_new_node(NULL, NULL); + + ret = of_property_write_u32(root, "#address-cells", 2); + if (ret) + return ret; - root = of_unflatten_dtb(dtb); - if (IS_ERR(root)) { - return PTR_ERR(root); + ret = of_property_write_u32(root, "#size-cells", 1); + if (ret) + return ret; } + if (IS_ERR(root)) + return PTR_ERR(root); + of_set_root_node(root); of_fix_tree(root); if (IS_ENABLED(CONFIG_OFDEVICE)) -- 2.1.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox