cmd: spl: provide address and size of prepared FDT in environment

[oweals/u-boot.git] / cmd / spl.c

diff --git a/cmd/spl.c b/cmd/spl.c
index 057764aa8d984c323f4df96e170ecae20f5921f7..1165b786d3428745fb8660d967336366ba443905 100644 (file)
--- a/cmd/spl.c
+++ b/cmd/spl.c
@@ -118,6 +118,11 @@ static int spl_export(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                case SPL_EXPORT_FDT:
                        printf("Argument image is now in RAM: 0x%p\n",
                                (void *)images.ft_addr);
+                       env_set_addr("fdtargsaddr", images.ft_addr);
+                       env_set_hex("fdtargslen", fdt_totalsize(images.ft_addr));
+                       if (fdt_totalsize(images.ft_addr) >
+                           CONFIG_CMD_SPL_WRITE_SIZE)
+                               puts("WARN: FDT size > CMD_SPL_WRITE_SIZE\n");
                        break;
 #endif
                case SPL_EXPORT_ATAGS: