Add support for passing initrd information via flat device tree
Patch by Kumar Gala 11 Jan 2006
diff --git a/common/ft_build.c b/common/ft_build.c
index 7a9a40a..9e9c906 100644
--- a/common/ft_build.c
+++ b/common/ft_build.c
@@ -163,7 +163,7 @@
((u64 *) cxt->pres)[0] = cpu_to_be64(physaddr); /* phys = 0, size = 0, terminate */
((u64 *) cxt->pres)[1] = cpu_to_be64(size);
- cxt->pres += 18; /* advance */
+ cxt->pres += 16; /* advance */
((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */
((u64 *) cxt->pres)[1] = 0;
@@ -577,7 +577,7 @@
};
#endif
-void ft_setup(void *blob, int size, bd_t * bd)
+void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end)
{
u32 *p;
int len;
@@ -602,7 +602,8 @@
ft_begin(&cxt, blob, size);
- /* fs_add_rsvmap not used */
+ if (initrd_start && initrd_end)
+ ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1);
ft_begin_tree(&cxt);
@@ -645,6 +646,10 @@
ft_prop_str(&cxt, "name", "chosen");
ft_prop_str(&cxt, "bootargs", getenv("bootargs"));
ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */
+ if (initrd_start && initrd_end) {
+ ft_prop_int(&cxt, "linux,initrd-start", initrd_start);
+ ft_prop_int(&cxt, "linux,initrd-end", initrd_end);
+ }
#ifdef OF_STDOUT_PATH
ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH);
#endif