Update buidlroot to version 2016.08.1

bsp/buildroot/board/boundarydevices/common/6x_bootscript.txt

@@ -1,8 +1,19 @@
 setenv bootargs ''
 
-a_script=0x10800000
-a_zImage=0x10800000
-a_fdt=0x13000000
+if itest.s x6SX == "x${cpu}" || itest.s x7D == "x${cpu}"; then
+	a_script=0x80800000
+	a_zImage=0x80800000
+	a_fdt=0x83000000
+	m4=''
+	if itest.s "x1" == "x$m4enabled" ; then
+		run m4boot;
+		m4='-m4';
+	fi
+else
+	a_script=0x10800000
+	a_zImage=0x10800000
+	a_fdt=0x13000000
+fi
 
 setenv initrd_high 0xffffffff
 if itest.s "x" == "x${dtbname}" ; then
@@ -13,15 +24,9 @@ if itest.s "x" == "x${dtbname}" ; then
 	elif itest.s x6QP == "x${cpu}" ; then
 		dtbname=imx6qp-${board}.dtb;
 	elif itest.s x6SX == "x${cpu}" ; then
-		if itest.s "x1" != "x$m4enabled" ; then
-			dtbname=imx6sx-${board}.dtb;
-		else
-			run m4boot;
-			dtbname=imx6sx-${board}-m4.dtb;
-		fi
-		a_script=0x80800000
-		a_zImage=0x80800000
-		a_fdt=0x83000000
+		dtbname=imx6sx-${board}${m4}.dtb;
+	elif itest.s x7D == "x${cpu}" ; then
+		dtbname=imx7d-${board}${m4}.dtb;
 	else
 		dtbname=imx6q-${board}.dtb;
 	fi
@@ -47,10 +52,6 @@ else
 	exit;
 fi
 
-# first enable tfp410
-i2c dev 1
-i2c mw 38 8.1 bd
-
 cmd_xxx_present=
 fdt resize
 if itest.s "x" != "x${cmd_custom}" ; then

bsp/buildroot/board/boundarydevices/common/6x_upgrade.txt

@@ -7,7 +7,7 @@ offset=0x400
 a_uImage1=0x12000000
 a_uImage2=0x12400000
 
-if itest.s x6SX == "x$cpu" ; then
+if itest.s x6SX == "x${cpu}" || itest.s x7D == "x${cpu}"; then
 	a_uImage1=0x82000000
 	a_uImage2=0x82400000
 fi

bsp/buildroot/board/boundarydevices/common/readme.txt

@@ -0,0 +1,30 @@
+Buildroot for Boundary Devices platforms:
+
+https://boundarydevices.com/product-category/popular-sbc-and-som-modules/
+
+Here is the list of targeted platforms per defconfig:
+
+- nitrogen6x_defconfig
+  - BD-SL-i.MX6 (SABRE-Lite)
+  - Nitrogen6X
+  - Nitrogen6_Lite
+  - Nitrogen6_MAX
+  - Nitrogen6_VM
+  - Nitrogen6_SOM
+  - Nitrogen6_SOMv2
+
+- nitrogen6sx_defconfig
+  - Nitrogen6_SoloX
+
+- nitrogen7_defconfig
+  - Nitrogen7
+
+To install, simply copy the image to a uSD card:
+
+$ sudo dd if=output/images/sdcard.img of=/dev/sdX
+
+Where 'sdX' is the device node of the uSD partition.
+
+To upgrade u-boot, cancel autoboot and type:
+
+> run upgradeu

bsp/buildroot/board/boundarydevices/nitrogen6x/readme.txt

@@ -1,13 +0,0 @@
-Buildroot for Boundary Devices Nitrogen6X:
-
-http://boundarydevices.com/products/nitrogen6x-board-imx6-arm-cortex-a9-sbc/
-
-To install, simply copy the image to a uSD card:
-
-sudo dd if=output/images/sdcard.img of=/dev/sdX
-
-Where 'sdX' is the device node of the uSD partition.
-
-To upgrade u-boot, cancel autoboot and type:
-
-run upgradeu