From a8425d52885de047fc00019cdf3e697b4d32b67a Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Thu, 2 May 2013 12:49:18 +0200
Subject: [PATCH] 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>
---
arch/microblaze/lib/bootm.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index b992a4ddef..3842709001 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -64,6 +64,14 @@ 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)
+ ret = fdt_initrd(of_flat_tree, images->rd_start,
+ images->rd_end, 1);
+ if (ret)
+ return 1;
+
#ifdef DEBUG
printf("## Transferring control to Linux (at address 0x%08lx) ",
(ulong)thekernel);
--
2.39.5