ARM: 7022/1: allow to detect conflicting zreladdrs

Boards used to specify zreladdr in their Makefile.boot with
zreladdr-y := x, so conflicting zreladdrs were silently overwritten.
This patch changes this to zreladdr-y += x, so that we end
up with multiple words in zreladdr in such a case. We can
detect this later and complain if necessary.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

58 files changed, 77 insertions, 76 deletions

diff --git a/arch/arm/mach-at91/Makefile.boot b/arch/arm/mach-at91/Makefile.boot
index 3462b815054ac..9ab5a3e5f4f16 100644
--- a/arch/arm/mach-at91/Makefile.boot
+++ b/arch/arm/mach-at91/Makefile.boot
@@ -4,15 +4,15 @@
 #   INITRD_PHYS must be in RAM
 
 ifeq ($(CONFIG_ARCH_AT91CAP9),y)
-   zreladdr-y	:= 0x70008000
+   zreladdr-y	+= 0x70008000
 params_phys-y	:= 0x70000100
 initrd_phys-y	:= 0x70410000
 else ifeq ($(CONFIG_ARCH_AT91SAM9G45),y)
-   zreladdr-y	:= 0x70008000
+   zreladdr-y	+= 0x70008000
 params_phys-y	:= 0x70000100
 initrd_phys-y	:= 0x70410000
 else
-   zreladdr-y	:= 0x20008000
+   zreladdr-y	+= 0x20008000
 params_phys-y	:= 0x20000100
 initrd_phys-y	:= 0x20410000
 endif
diff --git a/arch/arm/mach-bcmring/Makefile.boot b/arch/arm/mach-bcmring/Makefile.boot
index fb53b283bebb3..aef2467757fa9 100644
--- a/arch/arm/mach-bcmring/Makefile.boot
+++ b/arch/arm/mach-bcmring/Makefile.boot
@@ -1,6 +1,6 @@
 # Address where decompressor will be written and eventually executed.
 #
 # default to SDRAM
-zreladdr-y      := $(CONFIG_BCM_ZRELADDR)
+zreladdr-y      += $(CONFIG_BCM_ZRELADDR)
 params_phys-y   := 0x00000800
 
diff --git a/arch/arm/mach-clps711x/Makefile.boot b/arch/arm/mach-clps711x/Makefile.boot
index a51fcef64fe0b..9398e859b5afd 100644
--- a/arch/arm/mach-clps711x/Makefile.boot
+++ b/arch/arm/mach-clps711x/Makefile.boot
@@ -1,5 +1,5 @@
 # The standard locations for stuff on CLPS711x type processors
-   zreladdr-y				:= 0xc0028000
+   zreladdr-y				+= 0xc0028000
 params_phys-y				:= 0xc0000100
 # Should probably have some agreement on these...
 initrd_phys-$(CONFIG_ARCH_P720T)	:= 0xc0400000
diff --git a/arch/arm/mach-cns3xxx/Makefile.boot b/arch/arm/mach-cns3xxx/Makefile.boot
index 7770128652207..d079de0b6e3b5 100644
--- a/arch/arm/mach-cns3xxx/Makefile.boot
+++ b/arch/arm/mach-cns3xxx/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00C00000
diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot
index db97ef2c6477c..04a6c4e67b146 100644
--- a/arch/arm/mach-davinci/Makefile.boot
+++ b/arch/arm/mach-davinci/Makefile.boot
@@ -2,12 +2,12 @@ ifeq ($(CONFIG_ARCH_DAVINCI_DA8XX),y)
 ifeq ($(CONFIG_ARCH_DAVINCI_DMx),y)
 $(error Cannot enable DaVinci and DA8XX platforms concurrently)
 else
-   zreladdr-y	:= 0xc0008000
+   zreladdr-y	+= 0xc0008000
 params_phys-y	:= 0xc0000100
 initrd_phys-y	:= 0xc0800000
 endif
 else
-   zreladdr-y	:= 0x80008000
+   zreladdr-y	+= 0x80008000
 params_phys-y	:= 0x80000100
 initrd_phys-y	:= 0x80800000
 endif
diff --git a/arch/arm/mach-dove/Makefile.boot b/arch/arm/mach-dove/Makefile.boot
index 67039c3e0c48f..760a0efe7580b 100644
--- a/arch/arm/mach-dove/Makefile.boot
+++ b/arch/arm/mach-dove/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-ebsa110/Makefile.boot b/arch/arm/mach-ebsa110/Makefile.boot
index 2321260449357..83cf07c38adab 100644
--- a/arch/arm/mach-ebsa110/Makefile.boot
+++ b/arch/arm/mach-ebsa110/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000400
 initrd_phys-y	:= 0x00800000
 
diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot
index 0ad33f15c6226..d3113a71cb408 100644
--- a/arch/arm/mach-ep93xx/Makefile.boot
+++ b/arch/arm/mach-ep93xx/Makefile.boot
@@ -1,14 +1,14 @@
-   zreladdr-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)	:= 0x00008000
+   zreladdr-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)	+= 0x00008000
 params_phys-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)	:= 0x00000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)		:= 0xc0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)		+= 0xc0008000
 params_phys-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)		:= 0xc0000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)		:= 0xd0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)		+= 0xd0008000
 params_phys-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)		:= 0xd0000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)		:= 0xe0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)		+= 0xe0008000
 params_phys-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)		:= 0xe0000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)	:= 0xf0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)	+= 0xf0008000
 params_phys-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)	:= 0xf0000100
diff --git a/arch/arm/mach-exynos4/Makefile.boot b/arch/arm/mach-exynos4/Makefile.boot
index d65956ffb43dd..b9862e22bf10a 100644
--- a/arch/arm/mach-exynos4/Makefile.boot
+++ b/arch/arm/mach-exynos4/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x40008000
+   zreladdr-y	+= 0x40008000
 params_phys-y	:= 0x40000100
diff --git a/arch/arm/mach-footbridge/Makefile.boot b/arch/arm/mach-footbridge/Makefile.boot
index c7e75acfe6c9b..ff0a4b5b0a82b 100644
--- a/arch/arm/mach-footbridge/Makefile.boot
+++ b/arch/arm/mach-footbridge/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 
diff --git a/arch/arm/mach-gemini/Makefile.boot b/arch/arm/mach-gemini/Makefile.boot
index 22a52c228d931..683f52b20e3d2 100644
--- a/arch/arm/mach-gemini/Makefile.boot
+++ b/arch/arm/mach-gemini/Makefile.boot
@@ -1,9 +1,9 @@
 ifeq ($(CONFIG_GEMINI_MEM_SWAP),y)
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 else
-   zreladdr-y	:= 0x10008000
+   zreladdr-y	+= 0x10008000
 params_phys-y	:= 0x10000100
 initrd_phys-y	:= 0x10800000
 endif
diff --git a/arch/arm/mach-h720x/Makefile.boot b/arch/arm/mach-h720x/Makefile.boot
index 52984017bd91c..d875a7094dfee 100644
--- a/arch/arm/mach-h720x/Makefile.boot
+++ b/arch/arm/mach-h720x/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-$(CONFIG_ARCH_H720X)	:= 0x40008000
+   zreladdr-$(CONFIG_ARCH_H720X)	+= 0x40008000
 
diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot
index ebee18b3884c7..dbe61201bcd80 100644
--- a/arch/arm/mach-imx/Makefile.boot
+++ b/arch/arm/mach-imx/Makefile.boot
@@ -1,19 +1,19 @@
-zreladdr-$(CONFIG_ARCH_MX1)	:= 0x08008000
+zreladdr-$(CONFIG_ARCH_MX1)	+= 0x08008000
 params_phys-$(CONFIG_ARCH_MX1)	:= 0x08000100
 initrd_phys-$(CONFIG_ARCH_MX1)	:= 0x08800000
 
-zreladdr-$(CONFIG_MACH_MX21)	:= 0xC0008000
+zreladdr-$(CONFIG_MACH_MX21)	+= 0xC0008000
 params_phys-$(CONFIG_MACH_MX21)	:= 0xC0000100
 initrd_phys-$(CONFIG_MACH_MX21)	:= 0xC0800000
 
-zreladdr-$(CONFIG_ARCH_MX25)	:= 0x80008000
+zreladdr-$(CONFIG_ARCH_MX25)	+= 0x80008000
 params_phys-$(CONFIG_ARCH_MX25)	:= 0x80000100
 initrd_phys-$(CONFIG_ARCH_MX25)	:= 0x80800000
 
-zreladdr-$(CONFIG_MACH_MX27)	:= 0xA0008000
+zreladdr-$(CONFIG_MACH_MX27)	+= 0xA0008000
 params_phys-$(CONFIG_MACH_MX27)	:= 0xA0000100
 initrd_phys-$(CONFIG_MACH_MX27)	:= 0xA0800000
 
-zreladdr-$(CONFIG_ARCH_MX3)	:= 0x80008000
+zreladdr-$(CONFIG_ARCH_MX3)	+= 0x80008000
 params_phys-$(CONFIG_ARCH_MX3)	:= 0x80000100
 initrd_phys-$(CONFIG_ARCH_MX3)	:= 0x80800000
diff --git a/arch/arm/mach-integrator/Makefile.boot b/arch/arm/mach-integrator/Makefile.boot
index c7e75acfe6c9b..ff0a4b5b0a82b 100644
--- a/arch/arm/mach-integrator/Makefile.boot
+++ b/arch/arm/mach-integrator/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 
diff --git a/arch/arm/mach-iop13xx/Makefile.boot b/arch/arm/mach-iop13xx/Makefile.boot
index 0b0e19fdfe6c2..3a8c38c3189c0 100644
--- a/arch/arm/mach-iop13xx/Makefile.boot
+++ b/arch/arm/mach-iop13xx/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y   := 0x00008000
+   zreladdr-y   += 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y 	:= 0x00800000
diff --git a/arch/arm/mach-iop32x/Makefile.boot b/arch/arm/mach-iop32x/Makefile.boot
index 47000dccd61ff..0a833b11e38cc 100644
--- a/arch/arm/mach-iop32x/Makefile.boot
+++ b/arch/arm/mach-iop32x/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0xa0008000
+   zreladdr-y	+= 0xa0008000
 params_phys-y	:= 0xa0000100
 initrd_phys-y	:= 0xa0800000
diff --git a/arch/arm/mach-iop33x/Makefile.boot b/arch/arm/mach-iop33x/Makefile.boot
index 67039c3e0c48f..760a0efe7580b 100644
--- a/arch/arm/mach-iop33x/Makefile.boot
+++ b/arch/arm/mach-iop33x/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-ixp2000/Makefile.boot b/arch/arm/mach-ixp2000/Makefile.boot
index d84c5807a43d7..9c7af91d93da4 100644
--- a/arch/arm/mach-ixp2000/Makefile.boot
+++ b/arch/arm/mach-ixp2000/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 
diff --git a/arch/arm/mach-ixp23xx/Makefile.boot b/arch/arm/mach-ixp23xx/Makefile.boot
index d5561ad15badc..44fb4a717c3f9 100644
--- a/arch/arm/mach-ixp23xx/Makefile.boot
+++ b/arch/arm/mach-ixp23xx/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
diff --git a/arch/arm/mach-ixp4xx/Makefile.boot b/arch/arm/mach-ixp4xx/Makefile.boot
index d84c5807a43d7..9c7af91d93da4 100644
--- a/arch/arm/mach-ixp4xx/Makefile.boot
+++ b/arch/arm/mach-ixp4xx/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 
diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot
index 67039c3e0c48f..760a0efe7580b 100644
--- a/arch/arm/mach-kirkwood/Makefile.boot
+++ b/arch/arm/mach-kirkwood/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-ks8695/Makefile.boot b/arch/arm/mach-ks8695/Makefile.boot
index 48eb2cb3ac77b..c9b0bebcf2371 100644
--- a/arch/arm/mach-ks8695/Makefile.boot
+++ b/arch/arm/mach-ks8695/Makefile.boot
@@ -3,6 +3,6 @@
 #   PARAMS_PHYS must be within 4MB of ZRELADDR
 #   INITRD_PHYS must be in RAM
 
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-lpc32xx/Makefile.boot b/arch/arm/mach-lpc32xx/Makefile.boot
index b796b41ebf8fe..2cfe0ee635c55 100644
--- a/arch/arm/mach-lpc32xx/Makefile.boot
+++ b/arch/arm/mach-lpc32xx/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x80008000
+   zreladdr-y	+= 0x80008000
 params_phys-y	:= 0x80000100
 initrd_phys-y	:= 0x82000000
 
diff --git a/arch/arm/mach-mmp/Makefile.boot b/arch/arm/mach-mmp/Makefile.boot
index 574a4aa8321a8..5edf03e2beede 100644
--- a/arch/arm/mach-mmp/Makefile.boot
+++ b/arch/arm/mach-mmp/Makefile.boot
@@ -1 +1 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
diff --git a/arch/arm/mach-msm/Makefile.boot b/arch/arm/mach-msm/Makefile.boot
index 24dfbf8c07c47..9b803a578b4db 100644
--- a/arch/arm/mach-msm/Makefile.boot
+++ b/arch/arm/mach-msm/Makefile.boot
@@ -1,3 +1,3 @@
-  zreladdr-y		:= 0x10008000
+  zreladdr-y		+= 0x10008000
 params_phys-y		:= 0x10000100
 initrd_phys-y		:= 0x10800000
diff --git a/arch/arm/mach-mv78xx0/Makefile.boot b/arch/arm/mach-mv78xx0/Makefile.boot
index 67039c3e0c48f..760a0efe7580b 100644
--- a/arch/arm/mach-mv78xx0/Makefile.boot
+++ b/arch/arm/mach-mv78xx0/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-mx5/Makefile.boot b/arch/arm/mach-mx5/Makefile.boot
index e928be1b6757e..ca207ca305ec2 100644
--- a/arch/arm/mach-mx5/Makefile.boot
+++ b/arch/arm/mach-mx5/Makefile.boot
@@ -1,9 +1,9 @@
-   zreladdr-$(CONFIG_ARCH_MX50)	:= 0x70008000
+   zreladdr-$(CONFIG_ARCH_MX50)	+= 0x70008000
 params_phys-$(CONFIG_ARCH_MX50)	:= 0x70000100
 initrd_phys-$(CONFIG_ARCH_MX50)	:= 0x70800000
-   zreladdr-$(CONFIG_ARCH_MX51)	:= 0x90008000
+   zreladdr-$(CONFIG_ARCH_MX51)	+= 0x90008000
 params_phys-$(CONFIG_ARCH_MX51)	:= 0x90000100
 initrd_phys-$(CONFIG_ARCH_MX51)	:= 0x90800000
-   zreladdr-$(CONFIG_ARCH_MX53)	:= 0x70008000
+   zreladdr-$(CONFIG_ARCH_MX53)	+= 0x70008000
 params_phys-$(CONFIG_ARCH_MX53)	:= 0x70000100
 initrd_phys-$(CONFIG_ARCH_MX53)	:= 0x70800000
diff --git a/arch/arm/mach-mxs/Makefile.boot b/arch/arm/mach-mxs/Makefile.boot
index eb541e0291dad..07b11fe6453f5 100644
--- a/arch/arm/mach-mxs/Makefile.boot
+++ b/arch/arm/mach-mxs/Makefile.boot
@@ -1 +1 @@
-zreladdr-y := 0x40008000
+zreladdr-y += 0x40008000
diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot
index b81cf6aff0ac3..534a4d27055e0 100644
--- a/arch/arm/mach-netx/Makefile.boot
+++ b/arch/arm/mach-netx/Makefile.boot
@@ -1,2 +1,2 @@
-    zreladdr-y			:= 0x80008000
+    zreladdr-y			+= 0x80008000
 
diff --git a/arch/arm/mach-nomadik/Makefile.boot b/arch/arm/mach-nomadik/Makefile.boot
index c7e75acfe6c9b..ff0a4b5b0a82b 100644
--- a/arch/arm/mach-nomadik/Makefile.boot
+++ b/arch/arm/mach-nomadik/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 
diff --git a/arch/arm/mach-nuc93x/Makefile.boot b/arch/arm/mach-nuc93x/Makefile.boot
index a057b546b6e5f..6c3d421c2d11e 100644
--- a/arch/arm/mach-nuc93x/Makefile.boot
+++ b/arch/arm/mach-nuc93x/Makefile.boot
@@ -1,3 +1,3 @@
-zreladdr-y	:= 0x00008000
+zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 
diff --git a/arch/arm/mach-omap1/Makefile.boot b/arch/arm/mach-omap1/Makefile.boot
index 292d56c5a8880..13bda8dbd6043 100644
--- a/arch/arm/mach-omap1/Makefile.boot
+++ b/arch/arm/mach-omap1/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y		:= 0x10008000
+   zreladdr-y		+= 0x10008000
 params_phys-y		:= 0x10000100
 initrd_phys-y		:= 0x10800000
diff --git a/arch/arm/mach-omap2/Makefile.boot b/arch/arm/mach-omap2/Makefile.boot
index 565aff7f37a9a..b03e562acc607 100644
--- a/arch/arm/mach-omap2/Makefile.boot
+++ b/arch/arm/mach-omap2/Makefile.boot
@@ -1,3 +1,3 @@
-  zreladdr-y		:= 0x80008000
+  zreladdr-y		+= 0x80008000
 params_phys-y		:= 0x80000100
 initrd_phys-y		:= 0x80800000
diff --git a/arch/arm/mach-orion5x/Makefile.boot b/arch/arm/mach-orion5x/Makefile.boot
index 67039c3e0c48f..760a0efe7580b 100644
--- a/arch/arm/mach-orion5x/Makefile.boot
+++ b/arch/arm/mach-orion5x/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-pnx4008/Makefile.boot b/arch/arm/mach-pnx4008/Makefile.boot
index 44c7117e20ddf..9fa19baa7f2ef 100644
--- a/arch/arm/mach-pnx4008/Makefile.boot
+++ b/arch/arm/mach-pnx4008/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y		:= 0x80008000
+   zreladdr-y		+= 0x80008000
 params_phys-y		:= 0x80000100
 initrd_phys-y		:= 0x80800000
 
diff --git a/arch/arm/mach-prima2/Makefile.boot b/arch/arm/mach-prima2/Makefile.boot
index d023db3ae4fff..c77a4883a4eeb 100644
--- a/arch/arm/mach-prima2/Makefile.boot
+++ b/arch/arm/mach-prima2/Makefile.boot
@@ -1,3 +1,3 @@
-zreladdr-y		:= 0x00008000
+zreladdr-y		+= 0x00008000
 params_phys-y		:= 0x00000100
 initrd_phys-y		:= 0x00800000
diff --git a/arch/arm/mach-pxa/Makefile.boot b/arch/arm/mach-pxa/Makefile.boot
index 1ead67178eca3..2c1ae92f2106c 100644
--- a/arch/arm/mach-pxa/Makefile.boot
+++ b/arch/arm/mach-pxa/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0xa0008000
+   zreladdr-y	+= 0xa0008000
 
diff --git a/arch/arm/mach-realview/Makefile.boot b/arch/arm/mach-realview/Makefile.boot
index d97e003d3df4c..d2c3d788f6880 100644
--- a/arch/arm/mach-realview/Makefile.boot
+++ b/arch/arm/mach-realview/Makefile.boot
@@ -1,9 +1,9 @@
 ifeq ($(CONFIG_REALVIEW_HIGH_PHYS_OFFSET),y)
-   zreladdr-y	:= 0x70008000
+   zreladdr-y	+= 0x70008000
 params_phys-y	:= 0x70000100
 initrd_phys-y	:= 0x70800000
 else
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 endif
diff --git a/arch/arm/mach-rpc/Makefile.boot b/arch/arm/mach-rpc/Makefile.boot
index 9c9e7685ec7cf..ae2df0d7d0376 100644
--- a/arch/arm/mach-rpc/Makefile.boot
+++ b/arch/arm/mach-rpc/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x10008000
+   zreladdr-y	+= 0x10008000
 params_phys-y	:= 0x10000100
 initrd_phys-y	:= 0x18000000
 
diff --git a/arch/arm/mach-s3c2410/Makefile.boot b/arch/arm/mach-s3c2410/Makefile.boot
index 58c1dd7f8e1db..4457605ba04a1 100644
--- a/arch/arm/mach-s3c2410/Makefile.boot
+++ b/arch/arm/mach-s3c2410/Makefile.boot
@@ -1,7 +1,7 @@
 ifeq ($(CONFIG_PM_H1940),y)
-	zreladdr-y		:= 0x30108000
+	zreladdr-y	+= 0x30108000
 	params_phys-y	:= 0x30100100
 else
-	zreladdr-y		:= 0x30008000
+	zreladdr-y	+= 0x30008000
 	params_phys-y	:= 0x30000100
 endif
diff --git a/arch/arm/mach-s3c64xx/Makefile.boot b/arch/arm/mach-s3c64xx/Makefile.boot
index ba41fdc0a586e..c642333af3ed3 100644
--- a/arch/arm/mach-s3c64xx/Makefile.boot
+++ b/arch/arm/mach-s3c64xx/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x50008000
+   zreladdr-y	+= 0x50008000
 params_phys-y	:= 0x50000100
diff --git a/arch/arm/mach-s5p64x0/Makefile.boot b/arch/arm/mach-s5p64x0/Makefile.boot
index ff90aa13bd674..79ece4055b020 100644
--- a/arch/arm/mach-s5p64x0/Makefile.boot
+++ b/arch/arm/mach-s5p64x0/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x20008000
+   zreladdr-y	+= 0x20008000
 params_phys-y	:= 0x20000100
diff --git a/arch/arm/mach-s5pc100/Makefile.boot b/arch/arm/mach-s5pc100/Makefile.boot
index ff90aa13bd674..79ece4055b020 100644
--- a/arch/arm/mach-s5pc100/Makefile.boot
+++ b/arch/arm/mach-s5pc100/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x20008000
+   zreladdr-y	+= 0x20008000
 params_phys-y	:= 0x20000100
diff --git a/arch/arm/mach-s5pv210/Makefile.boot b/arch/arm/mach-s5pv210/Makefile.boot
index ff90aa13bd674..79ece4055b020 100644
--- a/arch/arm/mach-s5pv210/Makefile.boot
+++ b/arch/arm/mach-s5pv210/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x20008000
+   zreladdr-y	+= 0x20008000
 params_phys-y	:= 0x20000100
diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot
index a56ad0417cf28..5a616f6e56120 100644
--- a/arch/arm/mach-sa1100/Makefile.boot
+++ b/arch/arm/mach-sa1100/Makefile.boot
@@ -1,6 +1,7 @@
-   zreladdr-y	:= 0xc0008000
 ifeq ($(CONFIG_ARCH_SA1100),y)
-   zreladdr-$(CONFIG_SA1111)		:= 0xc0208000
+   zreladdr-$(CONFIG_SA1111)		+= 0xc0208000
+else
+   zreladdr-y	+= 0xc0008000
 endif
 params_phys-y	:= 0xc0000100
 initrd_phys-y	:= 0xc0800000
diff --git a/arch/arm/mach-shark/Makefile.boot b/arch/arm/mach-shark/Makefile.boot
index 4320f8b927715..e40e24e4ca342 100644
--- a/arch/arm/mach-shark/Makefile.boot
+++ b/arch/arm/mach-shark/Makefile.boot
@@ -1,2 +1,2 @@
-   zreladdr-y	:= 0x08008000
+   zreladdr-y	+= 0x08008000
 
diff --git a/arch/arm/mach-shmobile/Makefile.boot b/arch/arm/mach-shmobile/Makefile.boot
index 1c08ee9de86a6..498efd99338d8 100644
--- a/arch/arm/mach-shmobile/Makefile.boot
+++ b/arch/arm/mach-shmobile/Makefile.boot
@@ -1,7 +1,7 @@
 __ZRELADDR	:= $(shell /bin/bash -c 'printf "0x%08x" \
 		     $$[$(CONFIG_MEMORY_START) + 0x8000]')
 
-   zreladdr-y   := $(__ZRELADDR)
+   zreladdr-y   += $(__ZRELADDR)
 
 # Unsupported legacy stuff
 #
diff --git a/arch/arm/mach-spear3xx/Makefile.boot b/arch/arm/mach-spear3xx/Makefile.boot
index 7a1f3c0eadb82..4674a4c221dbc 100644
--- a/arch/arm/mach-spear3xx/Makefile.boot
+++ b/arch/arm/mach-spear3xx/Makefile.boot
@@ -1,3 +1,3 @@
-zreladdr-y	:= 0x00008000
+zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-spear6xx/Makefile.boot b/arch/arm/mach-spear6xx/Makefile.boot
index 7a1f3c0eadb82..4674a4c221dbc 100644
--- a/arch/arm/mach-spear6xx/Makefile.boot
+++ b/arch/arm/mach-spear6xx/Makefile.boot
@@ -1,3 +1,3 @@
-zreladdr-y	:= 0x00008000
+zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-tcc8k/Makefile.boot b/arch/arm/mach-tcc8k/Makefile.boot
index f135c9deae100..5e02d4156b045 100644
--- a/arch/arm/mach-tcc8k/Makefile.boot
+++ b/arch/arm/mach-tcc8k/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y		:= 0x20008000
+   zreladdr-y		+= 0x20008000
 params_phys-y		:= 0x20000100
 initrd_phys-y		:= 0x20800000
diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot
index 428ad122be039..5e870d29eca13 100644
--- a/arch/arm/mach-tegra/Makefile.boot
+++ b/arch/arm/mach-tegra/Makefile.boot
@@ -1,4 +1,4 @@
-zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC)	:= 0x00008000
+zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC)	+= 0x00008000
 params_phys-$(CONFIG_ARCH_TEGRA_2x_SOC)	:= 0x00000100
 initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC)	:= 0x00800000
 
diff --git a/arch/arm/mach-u300/Makefile.boot b/arch/arm/mach-u300/Makefile.boot
index 6fbfc6ea2d35c..69357affbd77f 100644
--- a/arch/arm/mach-u300/Makefile.boot
+++ b/arch/arm/mach-u300/Makefile.boot
@@ -4,10 +4,10 @@
 #   INITRD_PHYS must be in RAM
 
 ifdef CONFIG_MACH_U300_SINGLE_RAM
-     zreladdr-y	:= 0x28E08000
+     zreladdr-y	+= 0x28E08000
   params_phys-y	:= 0x28E00100
 else
-     zreladdr-y	:= 0x48008000
+     zreladdr-y	+= 0x48008000
   params_phys-y	:= 0x48000100
 endif
 
diff --git a/arch/arm/mach-ux500/Makefile.boot b/arch/arm/mach-ux500/Makefile.boot
index c7e75acfe6c9b..ff0a4b5b0a82b 100644
--- a/arch/arm/mach-ux500/Makefile.boot
+++ b/arch/arm/mach-ux500/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 
diff --git a/arch/arm/mach-versatile/Makefile.boot b/arch/arm/mach-versatile/Makefile.boot
index c7e75acfe6c9b..ff0a4b5b0a82b 100644
--- a/arch/arm/mach-versatile/Makefile.boot
+++ b/arch/arm/mach-versatile/Makefile.boot
@@ -1,4 +1,4 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 
diff --git a/arch/arm/mach-vexpress/Makefile.boot b/arch/arm/mach-vexpress/Makefile.boot
index 07c2d9c457ecf..8630b3d10a4d0 100644
--- a/arch/arm/mach-vexpress/Makefile.boot
+++ b/arch/arm/mach-vexpress/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x60008000
+   zreladdr-y	+= 0x60008000
 params_phys-y	:= 0x60000100
 initrd_phys-y	:= 0x60800000
diff --git a/arch/arm/mach-vt8500/Makefile.boot b/arch/arm/mach-vt8500/Makefile.boot
index a8acc4e24902e..b79c41cdfdffb 100644
--- a/arch/arm/mach-vt8500/Makefile.boot
+++ b/arch/arm/mach-vt8500/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x01000000
diff --git a/arch/arm/mach-w90x900/Makefile.boot b/arch/arm/mach-w90x900/Makefile.boot
index a057b546b6e5f..6c3d421c2d11e 100644
--- a/arch/arm/mach-w90x900/Makefile.boot
+++ b/arch/arm/mach-w90x900/Makefile.boot
@@ -1,3 +1,3 @@
-zreladdr-y	:= 0x00008000
+zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 
diff --git a/arch/arm/mach-zynq/Makefile.boot b/arch/arm/mach-zynq/Makefile.boot
index 67039c3e0c48f..760a0efe7580b 100644
--- a/arch/arm/mach-zynq/Makefile.boot
+++ b/arch/arm/mach-zynq/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000