microblaze: bootm: Add support for loading initrd

fdt_initrd add additional information to DTB about initrd
addresses which are later used by kernel.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index 56a1568f1c43cd47d1fa8cee1f8db8cf8ee798f2..fbb43b88aae2abd3ab3a0afa73b3719802392f65 100644 (file)
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -68,6 +68,11 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
 
        if (!of_flat_tree && argc > 3)
                of_flat_tree = (char *)simple_strtoul(argv[3], NULL, 16);
+
+       /* fixup the initrd now that we know where it should be */
+       if (images->rd_start && images->rd_end && of_flat_tree)
+               fdt_initrd(of_flat_tree, images->rd_start, images->rd_end, 1);
+
 #ifdef DEBUG
        printf("## Transferring control to Linux (at address 0x%08lx) ",
               (ulong)thekernel);