configs/ls1028ardb: add video with Cadence DP firmware

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

board/freescale/ls1028ardb/readme.txt

@@ -58,3 +58,12 @@ To boot your newly created system:
 - put a DB9F cable into the UART1 Port and connect using a terminal
   emulator at 115200 bps, 8n1;
 - power on the board.
+
+The Cadence DP (Display Port) firmware must loaded from uboot with the following commands:
+
+  => ext2load mmc 0 0x80000000 /boot/ls1028a-dp-fw.bin
+  102464 bytes read in 24 ms (4.1 MiB/s)
+  => hdp load 0x80000000 0x2000
+  Loading hdp firmware from 0x0000000080000000 offset 0x0000000000002000
+  Loading hdp firmware Complete
+  => boot

board/freescale/ls1028ardb/rootfs_overlay/boot/extlinux/extlinux.conf

@@ -1,4 +1,4 @@
 label ls1028ardb-buildroot
   kernel /boot/Image
   devicetree /boot/fsl-ls1028a-rdb.dtb
-  append root=/dev/mmcblk0p1 rootwait
+  append root=/dev/mmcblk0p1 rootwait video=1920x1080-32@60 cma=256M

configs/ls1028ardb_defconfig

@@ -26,6 +26,9 @@ BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="freescale/fsl-ls1028a-rdb"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 
+# Target package
+BR2_PACKAGE_QORIQ_CADENCE_DP_FIRMWARE=y
+
 # Filesystem
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y