Merge tag 'mvebu-dt-3.18-2' of git://git.infradead.org/linux-mvebu into next/dt

Pull "mvebu DT changes for v3.18 (round 2)" from Jason Cooper:

 - Armada XP
    - Add HW datasheet references to docs

 - Armada 370
    - Change internal registers to 0xf1000000 for Armada 370 RD board

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'mvebu-dt-3.18-2' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: switch the Armada 370 RD board to internal registers at 0xf1000000
  Documentation: arm: add hardware datasheet reference for Marvell Armada XP

2 files changed, 14 insertions, 1 deletions

diff --git a/Documentation/arm/Marvell/README b/Documentation/arm/Marvell/README
index 4dc66c173e10..17453794fca5 100644
--- a/Documentation/arm/Marvell/README
+++ b/Documentation/arm/Marvell/README
@@ -103,6 +103,10 @@ EBU Armada family
     NOTE: not to be confused with the non-SMP 78xx0 SoCs
     Product Brief: http://www.marvell.com/embedded-processors/armada-xp/assets/Marvell-ArmadaXP-SoC-product%20brief.pdf
     Functional Spec: http://www.marvell.com/embedded-processors/armada-xp/assets/ARMADA-XP-Functional-SpecDatasheet.pdf
+    Hardware Specs:
+      http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78230_OS.PDF
+      http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78260_OS.PDF
+      http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78460_OS.PDF
 
   Core: Sheeva ARMv7 compatible
 
diff --git a/arch/arm/boot/dts/armada-370-rd.dts b/arch/arm/boot/dts/armada-370-rd.dts
index 14c66e4adbc0..f57a8f841498 100644
--- a/arch/arm/boot/dts/armada-370-rd.dts
+++ b/arch/arm/boot/dts/armada-370-rd.dts
@@ -9,6 +9,15 @@
  * This file is licensed under the terms of the GNU General Public
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
+ *
+ * Note: this Device Tree assumes that the bootloader has remapped the
+ * internal registers to 0xf1000000 (instead of the default
+ * 0xd0000000). The 0xf1000000 is the default used by the recent,
+ * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
+ * boards were delivered with an older version of the bootloader that
+ * left internal registers mapped at 0xd0000000. If you are in this
+ * situation, you should either update your bootloader (preferred
+ * solution) or the below Device Tree should be adjusted.
  */
 
 /dts-v1/;
@@ -30,7 +39,7 @@
         };
 
         soc {
-                ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
+                ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
                           MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;
 
                 pcie-controller {