configs/toradex_apalis_imx6_defconfig: new board

Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

4 files changed, 94 insertions, 0 deletions

diff --git a/board/toradex/apalis-imx6/genimage.cfg b/board/toradex/apalis-imx6/genimage.cfg
new file mode 100644
index 0000000000..fe359bd93e
--- /dev/null
+++ b/board/toradex/apalis-imx6/genimage.cfg
@@ -0,0 +1,15 @@
+# Minimal SD card image for the Toradex Apalis i.MX6 COM
+#
+# It does not need a boot section for a bootloader since it is booted
+# from its internal flash memory (eMMC).
+
+image sdcard.img {
+  hdimage {
+  }
+
+  partition rootfs {
+    partition-type = 0x83
+    image = "rootfs.ext2"
+    size = 512M
+  }
+}
diff --git a/board/toradex/apalis-imx6/post-image.sh b/board/toradex/apalis-imx6/post-image.sh
new file mode 100755
index 0000000000..2b49f9d3d0
--- /dev/null
+++ b/board/toradex/apalis-imx6/post-image.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+GENIMAGE_CFG="$(dirname $0)/genimage.cfg"
+GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
+
+# copy the uEnv.txt to the output/images directory
+cp board/toradex/apalis-imx6/uEnv.txt $BINARIES_DIR/uEnv.txt
+
+rm -rf "${GENIMAGE_TMP}"
+
+# generate rootfs.img
+genimage \
+  --rootpath "${TARGET_DIR}" \
+  --tmppath "${GENIMAGE_TMP}" \
+  --inputpath "${BINARIES_DIR}" \
+  --outputpath "${BINARIES_DIR}" \
+  --config "${GENIMAGE_CFG}"
+
+RET=${?}
+exit ${RET}
diff --git a/board/toradex/apalis-imx6/readme.txt b/board/toradex/apalis-imx6/readme.txt
new file mode 100644
index 0000000000..feddad641c
--- /dev/null
+++ b/board/toradex/apalis-imx6/readme.txt
@@ -0,0 +1,53 @@
+Toradex Apalis i.MX6 Computer on Module
+
+Intro
+=====
+
+The Apalis iMX6 is a small form-factor Computer on Module that comes
+in both quad core and dual core versions based on Freescale i.MX6Q and
+Freescale i.MX6D SoCs respectively. The Cortex A9 quad core and dual
+core CPU peaks at 1 GHz for commercial temperature variant, while the
+industrial temperature variant has a peak frequency of 800 MHz.
+
+https://www.toradex.com/computer-on-modules/apalis-arm-family/freescale-imx-6
+
+It supports two carrier boards:
+
+Apalis Evaluation Board
+https://www.toradex.com/products/carrier-boards/apalis-evaluation-board
+
+Ixora Carrier Board
+https://www.toradex.com/products/carrier-boards/ixora-carrier-board
+
+How to build it
+===============
+
+Configure Buildroot:
+
+    $ make toradex_apalis_imx6_defconfig
+
+Compile everything and build the rootfs image:
+
+    $ make
+
+How to boot the image
+=====================
+
+The board only boots from its internal flash memory eMMC, so the
+bootloader image should be copied to it, following the procedures
+described in Toradex website.
+
+http://developer.toradex.com/knowledge-base/flashing-linux-on-imx6-modules
+
+Buildroot prepares a "sdcard.img" in output/images/ with the kernel
+image, device tree and a root filesystem, ready to be dumped on an SD
+card.
+
+    $ dd if=output/images/sdcard.img of=/dev/sdX bs=1M
+
+To boot from the SD card, you should change the U-Boot
+environment. Since U-Boot is running from internal eMMC, you will need
+to access its command line prompt and manually set the necessary
+variables to boot from the external SD card. For convenience, you can
+use uEnv.txt provided in output/images/ as a reference to create the
+necessary U-Boot variables to boot from the SD card.
diff --git a/board/toradex/apalis-imx6/uEnv.txt b/board/toradex/apalis-imx6/uEnv.txt
new file mode 100644
index 0000000000..96ab80cfb6
--- /dev/null
+++ b/board/toradex/apalis-imx6/uEnv.txt
@@ -0,0 +1,6 @@
+boot_file=zImage
+fdt_file=imx6q-apalis_v1_0-ixora.dtb
+sdargs=ip=off root=/dev/mmcblk1p1 rw,noatime rootfstype=ext4 rootwait
+sddtbload=ext2load mmc 2:1 ${fdt_addr_r} boot/${fdt_file}
+sdkernelload=ext2load mmc 2:1 ${kernel_addr_r} boot/${boot_file}
+bootcmd=run setup; setenv bootargs ${defargs} ${sdargs} ${setupargs} ${vidargs}; echo Booting from SD card...; run sddtbload; run sdkernelload; bootz ${kernel_addr_r} - ${fdt_addr_r}