aboutsummaryrefslogtreecommitdiff
path: root/doc/board
diff options
context:
space:
mode:
authorMamta Shukla2022-07-12 14:36:23 +0000
committerStefano Babic2022-07-25 16:11:49 +0200
commit4ae1fa338bb074a98953126985cceb9973139f5b (patch)
tree9f56878ef9c3930ac92d9a41657321bc240451d7 /doc/board
parenteca5e000d3b9b089300efc21460852f59129418a (diff)
doc: board: nxp: Add instructions to boot from QSPI
Add instructions to build and boot from QSPI Flash Signed-off-by: Mamta Shukla <mamta.shukla@leica-geosystems.com> Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com> Tested-by: Adam Ford <aford173@gmail.com> Reviewed-by: Fabio Estevam <festevam@denx.de>
Diffstat (limited to 'doc/board')
-rw-r--r--doc/board/nxp/imx8mm_evk.rst38
1 files changed, 36 insertions, 2 deletions
diff --git a/doc/board/nxp/imx8mm_evk.rst b/doc/board/nxp/imx8mm_evk.rst
index b9e67b954fc..5b178d703e9 100644
--- a/doc/board/nxp/imx8mm_evk.rst
+++ b/doc/board/nxp/imx8mm_evk.rst
@@ -35,8 +35,8 @@ Get the ddr firmware
$ ./firmware-imx-8.9
$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir)
-Build U-Boot
-------------
+Build U-Boot for sd card
+--------------------------
.. code-block:: bash
@@ -53,3 +53,37 @@ Burn the flash.bin to MicroSD card offset 33KB:
Boot
----
Set Boot switch to SD boot
+
+Build U-Boot for qspi flash card
+------------------------------------
+
+.. code-block:: bash
+
+ $ export CROSS_COMPILE=aarch64-poky-linux-
+ $ make imx8mm_evk_fspi_defconfig
+ $ make
+
+Currently, there is no direct support to write to QSPI Flash.
+Copy flash.bin to ${loadaddr} either from sd card or over network and then copy to
+qspi flash
+
+From sd card to memory
+
+.. code-block:: bash
+
+ $mmc dev 1
+ $mmc read ${loadaddr} 0x00 <size_of_flash.bin/512>
+
+.. code-block:: bash
+
+ $ sf probe
+ $ sf erase 0 <size_of_flash.bin_in_hex>
+ $ sf write $loadaddr 0x00 <size_of_flash.bin_in_hex>
+
+Boot from QSPI Flash
+-----------------------
+Set Boot Switch to QSPI Flash
+
+Pin configuration for imx8mm_revC evk to boot from qspi flash
+SW1101: 0110xxxxxx
+SW1102: 00100x0010