ARC: Ensure DT mem base is same as what kernel is built with

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

7 files changed, 8 insertions, 6 deletions

diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
index a5e2726a067e..420dcfde289f 100644
--- a/arch/arc/boot/dts/axc001.dtsi
+++ b/arch/arc/boot/dts/axc001.dtsi
@@ -95,6 +95,6 @@
                 #size-cells = <1>;
                 ranges = <0x00000000 0x80000000 0x40000000>;
                 device_type = "memory";
-                reg = <0x00000000 0x20000000>;  /* 512MiB */
+                reg = <0x80000000 0x20000000>;  /* 512MiB */
         };
 };
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index 846481f37eef..f90fadf7f94e 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -98,6 +98,6 @@
                 #size-cells = <1>;
                 ranges = <0x00000000 0x80000000 0x40000000>;
                 device_type = "memory";
-                reg = <0x00000000 0x20000000>;  /* 512MiB */
+                reg = <0x80000000 0x20000000>;  /* 512MiB */
         };
 };
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 2f0b33257db2..06a9f294a2e6 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -121,6 +121,6 @@
                 #size-cells = <1>;
                 ranges = <0x00000000 0x80000000 0x40000000>;
                 device_type = "memory";
-                reg = <0x00000000 0x20000000>;  /* 512MiB */
+                reg = <0x80000000 0x20000000>;  /* 512MiB */
         };
 };
diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi
index a870bdd5e404..296d371a335c 100644
--- a/arch/arc/boot/dts/skeleton.dtsi
+++ b/arch/arc/boot/dts/skeleton.dtsi
@@ -32,6 +32,6 @@
 
         memory {
                 device_type = "memory";
-                reg = <0x00000000 0x10000000>;  /* 256M */
+                reg = <0x80000000 0x10000000>;  /* 256M */
         };
 };
diff --git a/arch/arc/boot/dts/vdk_axc003.dtsi b/arch/arc/boot/dts/vdk_axc003.dtsi
index 9393fd902f0d..84226bd48baf 100644
--- a/arch/arc/boot/dts/vdk_axc003.dtsi
+++ b/arch/arc/boot/dts/vdk_axc003.dtsi
@@ -56,6 +56,6 @@
                 #size-cells = <1>;
                 ranges = <0x00000000 0x80000000 0x40000000>;
                 device_type = "memory";
-                reg = <0x00000000 0x20000000>;  /* 512MiB */
+                reg = <0x80000000 0x20000000>;  /* 512MiB */
         };
 };
diff --git a/arch/arc/boot/dts/vdk_axc003_idu.dtsi b/arch/arc/boot/dts/vdk_axc003_idu.dtsi
index 9bee8ed09eb0..31f0fb5fc91d 100644
--- a/arch/arc/boot/dts/vdk_axc003_idu.dtsi
+++ b/arch/arc/boot/dts/vdk_axc003_idu.dtsi
@@ -71,6 +71,6 @@
                 #size-cells = <1>;
                 ranges = <0x00000000 0x80000000 0x40000000>;
                 device_type = "memory";
-                reg = <0x00000000 0x20000000>;  /* 512MiB */
+                reg = <0x80000000 0x20000000>;  /* 512MiB */
         };
 };
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index d44eedd8c322..5121b9b16ba8 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -43,6 +43,8 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
 {
         arc_mem_sz = size & PAGE_MASK;
         pr_info("Memory size set via devicetree %ldM\n", TO_MB(arc_mem_sz));
+
+        BUG_ON(base != CONFIG_LINUX_LINK_BASE);
 }
 
 #ifdef CONFIG_BLK_DEV_INITRD