From 0f180e814341faa27a6887aa364a10858ebb9b56 Mon Sep 17 00:00:00 2001 From: Ahmad Fatoum Date: Thu, 12 Sep 2019 08:54:11 +0200 Subject: ARM: imx6: add Embest MarSBoard support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This board is produced by Embest/Element 14 and is based on i.MX6 Dual. For more informations on this board : http://www.embest-tech.com/shop/star/marsboard.html Signed-off-by: Eric Bénard Signed-off-by: Ahmad Fatoum Tested-by: Stefan Lengfeld Signed-off-by: Sascha Hauer --- Documentation/boards/imx/embest-marsboard.rst | 82 +++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 Documentation/boards/imx/embest-marsboard.rst (limited to 'Documentation') diff --git a/Documentation/boards/imx/embest-marsboard.rst b/Documentation/boards/imx/embest-marsboard.rst new file mode 100644 index 0000000000..bdaa0880ae --- /dev/null +++ b/Documentation/boards/imx/embest-marsboard.rst @@ -0,0 +1,82 @@ +Embest MarS Board +================= + +Board comes with: + +* 1G DDR3 SDRAM +* 4G eMMC +* 2M SPI-NOR Flash + +Layout:: + + .-----------------------------------------------------. + |O OTG-->| V | O| + | SW1 USB '---' .--| + | .-----------. v.---. .->| <| + | | | 1|o--| O | `--| + | | i.MX6Dual | 2|--o| N Debug | + | | SoC | `---' USB | + | | | | + | `-----------' | + | | + | | + | | + | | + |O O| + `-----------------------------------------------------' + +Boot Configuration +================== + +DIP Switch ``SW1`` on the board can be used to set ``BOOT_MODE1`` and +``BOOT_MODE0`` going to the i.MX6: + +Set ``SW1 = 01`` for serial boot:: + + SW1 + v.---. + 1|o--| O + 2|--o| N + `---' + +Set ``SW1 = 10`` for internal (SPI-NOR Flash) boot:: + + SW1 + v.---. + 1|--o| O + 2|o--| N + `---' + +Set ``SW1 = 00`` for boot from eFuses:: + + SW1 + v.---. + 1|o--| O + 2|o--| N + `---' + +Flashing barebox +---------------- + + 1. Connect to the board's Debug Mini-USB (115200 8N1) + + 2. Set ``SW1 = 01`` for serial boot mode (see above) + + 3. Turn board's power on + + 4. Upload barebox image to the board via imx-usb-loader + +.. code-block:: none + + host$ imx-usb-loader images/barebox-embest-imx6q-marsboard.img +.. + + 4. Flash barebox to SPI-NOR Flash via Android Fastboot + +.. code-block:: none + + host$ fastboot flash bbu-spiflash images/barebox-embest-imx6q-marsboard.img + +.. + + 5. Restore ``SW1 = 10`` for internal (SPI-NOR) boot (see above) -- cgit v1.2.3