imx: mx6dlarm2: Add support for i.MX6Q/DL arm2 LPDDR2 boards
Update the ddr scripts for LPDDR2 and add two build configs for LPDDR2
arm2 board. Since the LPDDR2 arm2 board has different DDR size, use
CONFIG_DDR_MB in defconfig to replace the PHYS_SDRAM_SIZE.
Signed-off-by: Ye.Li <B37916@freescale.com>
diff --git a/configs/mx6dlarm2_defconfig b/configs/mx6dlarm2_defconfig
index b4b78e5..de0193f 100644
--- a/configs/mx6dlarm2_defconfig
+++ b/configs/mx6dlarm2_defconfig
@@ -1,3 +1,3 @@
-CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage_mx6dl.cfg,MX6DL"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage_mx6dl.cfg,MX6DL,DDR_MB=2048"
CONFIG_ARM=y
CONFIG_TARGET_MX6QARM2=y
diff --git a/configs/mx6dlarm2_lpddr2_defconfig b/configs/mx6dlarm2_lpddr2_defconfig
new file mode 100644
index 0000000..cc432cf
--- /dev/null
+++ b/configs/mx6dlarm2_lpddr2_defconfig
@@ -0,0 +1,3 @@
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage_mx6dl.cfg,MX6DL,MX6DL_LPDDR2,DDR_MB=512"
+CONFIG_ARM=y
+CONFIG_TARGET_MX6QARM2=y
diff --git a/configs/mx6qarm2_defconfig b/configs/mx6qarm2_defconfig
index a251615..3fe3559 100644
--- a/configs/mx6qarm2_defconfig
+++ b/configs/mx6qarm2_defconfig
@@ -1,3 +1,3 @@
-CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage.cfg,MX6Q"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage.cfg,MX6Q,DDR_MB=2048"
CONFIG_ARM=y
CONFIG_TARGET_MX6QARM2=y
diff --git a/configs/mx6qarm2_lpddr2_defconfig b/configs/mx6qarm2_lpddr2_defconfig
new file mode 100644
index 0000000..491e22a
--- /dev/null
+++ b/configs/mx6qarm2_lpddr2_defconfig
@@ -0,0 +1,3 @@
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage.cfg,MX6Q,MX6DQ_LPDDR2,DDR_MB=512"
+CONFIG_ARM=y
+CONFIG_TARGET_MX6QARM2=y