cmd_fdt: Actually fix fdt command in sandbox

Commit 90bac29a76 claims to fix this bug
that was introduced in commit a92fd6577e
but doesn't actually make the change that the commit message describes.

Actually fix the bug this time.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>

common/bootm.c

@@ -233,7 +233,7 @@ static int bootm_find_fdt(int flag, int argc, char * const argv[])
 		return 1;
 	}
 
-	set_working_fdt_addr(images.ft_addr);
+	set_working_fdt_addr((ulong)images.ft_addr);
 
 	return 0;
 }

common/cmd_fdt.c

@@ -38,13 +38,13 @@ static int is_printable_string(const void *data, int len);
  */
 struct fdt_header *working_fdt;
 
-void set_working_fdt_addr(void *addr)
+void set_working_fdt_addr(ulong addr)
 {
 	void *buf;
 
-	buf = map_sysmem((ulong)addr, 0);
+	buf = map_sysmem(addr, 0);
 	working_fdt = buf;
-	setenv_addr("fdtaddr", addr);
+	setenv_ulong("fdtaddr", addr);
 }
 
 /*
@@ -123,7 +123,7 @@ static int do_fdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		if (control)
 			gd->fdt_blob = blob;
 		else
-			set_working_fdt_addr((void *)blob);
+			set_working_fdt_addr(addr);
 
 		if (argc >= 2) {
 			int  len;

common/image-fdt.c

@@ -190,7 +190,7 @@ int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
 	*of_flat_tree = of_start;
 	*of_size = of_len;
 
-	set_working_fdt_addr(*of_flat_tree);
+	set_working_fdt_addr((ulong)*of_flat_tree);
 	return 0;
 
 error:

include/fdt_support.h

@@ -100,7 +100,7 @@ void ft_pci_setup(void *blob, bd_t *bd);
  */
 int ft_system_setup(void *blob, bd_t *bd);
 
-void set_working_fdt_addr(void *addr);
+void set_working_fdt_addr(ulong addr);
 int fdt_shrink_to_minimum(void *blob);
 int fdt_increase_size(void *fdt, int add_len);