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author | Johannes Zink <j.zink@pengutronix.de> | 2022-07-11 16:12:46 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-07-12 07:56:38 +0200 |
commit | c9ef8ac1c794187e78434678bfdfa7e022bf847d (patch) | |
tree | 87ce5c42619e32af08ded58d5234ad90209b8215 /Documentation/boards | |
parent | 4bf162e0c5ffb546dbb14e58e14923c64b3d000c (diff) | |
download | barebox-c9ef8ac1c794187e78434678bfdfa7e022bf847d.tar.gz |
ARM: i.MX7: add 96Boards Meerkat96 support
This is a i.MX7D-based board with an upstream device tree.
Add the necessary boilerplate to have barebox create an image.
The memory settings are taken from U-Boot v2022.07-rc6.
System reset requires pmic driver which is not available yet in barebox.
Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
Link: https://lore.barebox.org/20220711141246.3331160-2-j.zink@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'Documentation/boards')
-rw-r--r-- | Documentation/boards/imx/meerkat96.rst | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/boards/imx/meerkat96.rst b/Documentation/boards/imx/meerkat96.rst new file mode 100644 index 0000000000..7456aa857b --- /dev/null +++ b/Documentation/boards/imx/meerkat96.rst @@ -0,0 +1,43 @@ +Meerkat 96 +========== + +The Meerkat96 is a single board computer based on an i.MX7D SoC by NXP, +featuring a dual core ARM Cortex-A7 at 1 GHz and a Cortex-M4 at 266MHz +and 512 MB DRAM. For further details on the board's features check the +manufacturers page at https://www.96boards.org/product/imx7-96 + +Serial console +-------------- + +UART6 of the i.MX7D is broken out to Pinheader J3, on the Silkscreen +the Pins are labeled with B (Ground), W (UART 6 TX) and G (UART 6 RX). +If you use the UART-To-USB-Converter provided with the board, you can +just connect the Black jumper to B, the White to W and the Green to G. + +The UART uses 3.3V levels. + +Building Barebox +---------------- + +To build Barebox for the meerkat96 board do the following: + +.. code-block:: sh + + make ARCH=arm CROSS_COMPILE=<ARM toolchain prefix> mrproper + make ARCH=arm CROSS_COMPILE=<ARM toolchain prefix> imx_v7_defconfig + make ARCH=arm CROSS_COMPILE=<ARM toolchain prefix> + +Bringup +------- + +flash the resulting barebox-meerkat96.img to an sdcard at address 0. + +Make sure the pmic is set to power-on state by setting the dipswitch +SW3 on the boards bottom side to 1-1 (i.e. all switches on, which is +the factory default). + +Schematics +---------- + +Schematics are available at https://github.com/96boards/documentation/blob/master/consumer/imx7-96/hardware-docs/files/iMX7-96-schematics.pdf + |