microblaze: Fix initrd support
Initrd/ramdisk support has been never validated.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 4ec137d..b38ae3a 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -404,10 +404,11 @@
#if defined(CONFIG_BLK_DEV_INITRD)
/* Remove the init RAM disk from the available memory. */
-/* if (initrd_start) {
- mem_pieces_remove(&phys_avail, __pa(initrd_start),
- initrd_end - initrd_start, 1);
- }*/
+ if (initrd_start) {
+ unsigned long size;
+ size = initrd_end - initrd_start;
+ memblock_reserve(virt_to_phys(initrd_start), size);
+ }
#endif /* CONFIG_BLK_DEV_INITRD */
/* Initialize the MMU hardware */