From: Jon Mason <jon.mason@broadcom.com>
Date: Mon, 5 Dec 2016 23:12:21 +0000 (-0500)
Subject: arm64: dts: NS2: reserve memory for Nitro firmware
X-Git-Tag: C0P2-H0.0--20200415~6725
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=5d820f84e169fa3e83e1f28a0cc4ca5a1770a9c4;p=linux.git

arm64: dts: NS2: reserve memory for Nitro firmware


[ Upstream commit 0cc878d678444392ca2a31350f89f489593ef5bb ]

Nitro firmware is loaded into memory by the bootloader at a specific
location.  Set this memory range aside to prevent the kernel from using
it.

Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index d95dc408629a..a16b1b3f9fc6 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -30,6 +30,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/memreserve/ 0x81000000 0x00200000;
+
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/bcm-ns2.h>