machine/*.conf: Set SPL_BINARY with weak assignment ?= in machine configs

Set SPL_BINARY with ?= instead of = to allow overwrite for this variable
without using forcevariable. When not using xilinx-bootbin to generate
the boot.bin, this variable should be set to '', to deploy spl boot.bin.

Signed-off-by: Jaewon Lee <jaewon.lee@xilinx.com>
Signed-off-by: Bhargava Sreekantappa Gayathri <bhargava.sreekantappa-gayathri@xilinx.com>
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>

10 files changed, 10 insertions, 10 deletions

diff --git a/meta-xilinx-bsp/conf/machine/microzed-zynq7.conf b/meta-xilinx-bsp/conf/machine/microzed-zynq7.conf
index bfd505b1..8869424d 100644
--- a/meta-xilinx-bsp/conf/machine/microzed-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/microzed-zynq7.conf
@@ -13,7 +13,7 @@ MACHINE_FEATURES = "ext2 vfat usbhost"
 # u-boot configuration
 PREFERRED_PROVIDER_virtual/bootloader = "u-boot"
 UBOOT_MACHINE = "zynq_microzed_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 EXTRA_IMAGEDEPENDS += " \
                 u-boot-zynq-uenv \
diff --git a/meta-xilinx-bsp/conf/machine/picozed-zynq7.conf b/meta-xilinx-bsp/conf/machine/picozed-zynq7.conf
index 072d32a5..911bf90e 100644
--- a/meta-xilinx-bsp/conf/machine/picozed-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/picozed-zynq7.conf
@@ -17,7 +17,7 @@ MACHINE_FEATURES = "ext2 vfat usbhost usbgadget"
 # u-boot configuration
 PREFERRED_PROVIDER_virtual/bootloader = "u-boot"
 UBOOT_MACHINE = "zynq_picozed_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 EXTRA_IMAGEDEPENDS += " \
                 u-boot-zynq-uenv \
diff --git a/meta-xilinx-bsp/conf/machine/zc702-zynq7.conf b/meta-xilinx-bsp/conf/machine/zc702-zynq7.conf
index 19c80248..fbd58a6e 100644
--- a/meta-xilinx-bsp/conf/machine/zc702-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/zc702-zynq7.conf
@@ -19,7 +19,7 @@ MACHINE_FEATURES = "rtc ext2 ext3 vfat usbhost"
 
 # u-boot configuration
 UBOOT_MACHINE = "zynq_zc702_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 EXTRA_IMAGEDEPENDS += " \
                 u-boot-zynq-uenv \
diff --git a/meta-xilinx-bsp/conf/machine/zc706-zynq7.conf b/meta-xilinx-bsp/conf/machine/zc706-zynq7.conf
index 3fa34c34..741ef5de 100644
--- a/meta-xilinx-bsp/conf/machine/zc706-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/zc706-zynq7.conf
@@ -20,7 +20,7 @@ MACHINE_FEATURES = "rtc ext2 ext3 vfat usbhost usbgadget"
 
 # u-boot configuration
 UBOOT_MACHINE = "zynq_zc706_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 EXTRA_IMAGEDEPENDS += " \
                 u-boot-zynq-uenv \
diff --git a/meta-xilinx-bsp/conf/machine/zcu102-zynqmp.conf b/meta-xilinx-bsp/conf/machine/zcu102-zynqmp.conf
index 75e134f3..834d9d3d 100644
--- a/meta-xilinx-bsp/conf/machine/zcu102-zynqmp.conf
+++ b/meta-xilinx-bsp/conf/machine/zcu102-zynqmp.conf
@@ -12,7 +12,7 @@ require conf/machine/include/machine-xilinx-qemu.inc
 MACHINE_FEATURES = "rtc ext2 ext3 vfat usbhost"
 
 UBOOT_MACHINE = "xilinx_zynqmp_zcu102_rev1_0_defconfig"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 # Default SD image build onfiguration, use qemu-sd to pad
 IMAGE_CLASSES += "image-types-xilinx-qemu"
diff --git a/meta-xilinx-bsp/conf/machine/zcu104-zynqmp.conf b/meta-xilinx-bsp/conf/machine/zcu104-zynqmp.conf
index 43810d47..c4b4a032 100644
--- a/meta-xilinx-bsp/conf/machine/zcu104-zynqmp.conf
+++ b/meta-xilinx-bsp/conf/machine/zcu104-zynqmp.conf
@@ -12,7 +12,7 @@ require conf/machine/include/machine-xilinx-default.inc
 MACHINE_FEATURES = "rtc ext2 ext3 vfat usbhost"
 
 UBOOT_MACHINE = "xilinx_zynqmp_zcu104_revC_defconfig"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 SERIAL_CONSOLE ?= "115200 ttyPS0"
 
diff --git a/meta-xilinx-bsp/conf/machine/zcu106-zynqmp.conf b/meta-xilinx-bsp/conf/machine/zcu106-zynqmp.conf
index 0d3b9f62..136efb90 100644
--- a/meta-xilinx-bsp/conf/machine/zcu106-zynqmp.conf
+++ b/meta-xilinx-bsp/conf/machine/zcu106-zynqmp.conf
@@ -11,7 +11,7 @@ require conf/machine/include/machine-xilinx-default.inc
 MACHINE_FEATURES = "rtc ext2 ext3 vfat usbhost"
 
 UBOOT_MACHINE = "xilinx_zynqmp_zcu106_revA_defconfig"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 SERIAL_CONSOLE = "115200 ttyPS0"
 SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
diff --git a/meta-xilinx-bsp/conf/machine/zedboard-zynq7.conf b/meta-xilinx-bsp/conf/machine/zedboard-zynq7.conf
index 8f11ea34..36c51b70 100644
--- a/meta-xilinx-bsp/conf/machine/zedboard-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/zedboard-zynq7.conf
@@ -16,7 +16,7 @@ require conf/machine/include/machine-xilinx-default.inc
 
 # u-boot configuration
 UBOOT_MACHINE = "zynq_zed_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 EXTRA_IMAGEDEPENDS += " \
                 u-boot-zynq-uenv \
diff --git a/meta-xilinx-bsp/conf/machine/zybo-linux-bd-zynq7.conf b/meta-xilinx-bsp/conf/machine/zybo-linux-bd-zynq7.conf
index 66cf0280..ba355d56 100644
--- a/meta-xilinx-bsp/conf/machine/zybo-linux-bd-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/zybo-linux-bd-zynq7.conf
@@ -20,7 +20,7 @@ SERIAL_CONSOLE = "115200 ttyPS0"
 MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "device-tree"
 
 UBOOT_MACHINE = "zynq_zybo_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 FORCE_PLATFORM_INIT = "1"
 
 EXTRA_IMAGEDEPENDS += " \
diff --git a/meta-xilinx-bsp/conf/machine/zybo-zynq7.conf b/meta-xilinx-bsp/conf/machine/zybo-zynq7.conf
index ea0cccbf..049add9c 100644
--- a/meta-xilinx-bsp/conf/machine/zybo-zynq7.conf
+++ b/meta-xilinx-bsp/conf/machine/zybo-zynq7.conf
@@ -17,7 +17,7 @@ MACHINE_FEATURES = "ext2 vfat usbhost usbgadget"
 # u-boot configuration
 PREFERRED_PROVIDER_virtual/bootloader = "u-boot"
 UBOOT_MACHINE = "zynq_zybo_config"
-SPL_BINARY = "spl/boot.bin"
+SPL_BINARY ?= "spl/boot.bin"
 
 EXTRA_IMAGEDEPENDS += " \
                 u-boot-zynq-uenv \