spl: fit: implement fdt_record_loadable

[people/ms/u-boot.git] / common / fdt_support.c

diff --git a/common/fdt_support.c b/common/fdt_support.c
index f4f9543d5475d804e9059a51ccb199604605fc7b..6896dcb285aee9d0078930b20e5019cc202c746b 100644 (file)
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -410,6 +410,45 @@ static int fdt_pack_reg(const void *fdt, void *buf, u64 *address, u64 *size,
        return p - (char *)buf;
 }
 
+int fdt_record_loadable(void *blob, u32 index, const char *name,
+                       uintptr_t load_addr, u32 size, uintptr_t entry_point,
+                       const char *type, const char *os)
+{
+       int err, node;
+
+       err = fdt_check_header(blob);
+       if (err < 0) {
+               printf("%s: %s\n", __func__, fdt_strerror(err));
+               return err;
+       }
+
+       /* find or create "/fit-images" node */
+       node = fdt_find_or_add_subnode(blob, 0, "fit-images");
+       if (node < 0)
+                       return node;
+
+       /* find or create "/fit-images/<name>" node */
+       node = fdt_find_or_add_subnode(blob, node, name);
+       if (node < 0)
+               return node;
+
+       /*
+        * We record these as 32bit entities, possibly truncating addresses.
+        * However, spl_fit.c is not 64bit safe either: i.e. we should not
+        * have an issue here.
+        */
+       fdt_setprop_u32(blob, node, "load-addr", load_addr);
+       if (entry_point != -1)
+               fdt_setprop_u32(blob, node, "entry-point", entry_point);
+       fdt_setprop_u32(blob, node, "size", size);
+       if (type)
+               fdt_setprop_string(blob, node, "type", type);
+       if (os)
+               fdt_setprop_string(blob, node, "os", os);
+
+       return node;
+}
+
 #ifdef CONFIG_NR_DRAM_BANKS
 #define MEMORY_BANKS_MAX CONFIG_NR_DRAM_BANKS
 #else