[U-Boot] mx6ulevk: Include SDP boot instructions in README
diff mbox series

Message ID 1563479713-401-1-git-send-email-breno.lima@nxp.com
State Superseded
Delegated to: Stefano Babic
Headers show
  • [U-Boot] mx6ulevk: Include SDP boot instructions in README
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Commit Message

Breno Matheus Lima July 18, 2019, 7:55 p.m. UTC
Add instructions on how to boot mx6ul_14x14_evk_defconfig target
using the Serial Download Protocol (SDP).

Add examples for uuu and imx_usb_loader tools.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Breno Lima <breno.lima@nxp.com>
 board/freescale/mx6ul_14x14_evk/README | 46 ++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff mbox series

diff --git a/board/freescale/mx6ul_14x14_evk/README b/board/freescale/mx6ul_14x14_evk/README
index 1edccf688c..2d7ea2b902 100644
--- a/board/freescale/mx6ul_14x14_evk/README
+++ b/board/freescale/mx6ul_14x14_evk/README
@@ -9,6 +9,9 @@  $ make
 This will generate the SPL image called SPL and the u-boot.img.
+1. Booting via SDCard
 - Flash the SPL image into the micro SD card:
 sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
@@ -30,3 +33,46 @@  switch label numbers reference).
 - Insert the micro SD card in the board, power it up and U-Boot messages should
 come up.
+2. Booting via Serial Download Protocol (SDP)
+The mx6ulevk board can boot from USB OTG port using the SDP, target will
+enter in SDP mode in case an SD Card is not connect or boot switches are
+set as below:
+Sw602: 0 1
+SW601: x x x x
+The following tools can be used to boot via SDP, for both tools you must
+connect an USB cable in USB OTG port.
+- Universal Update Utility (uuu):
+The UUU binary can be downloaded in release tab from link below:
+The following script should be created to boot SPL + u-boot-dtb.img binaries:
+  $ cat uuu_script
+    uuu_version 1.1.4
+    SDP: boot -f SPL
+    SDPU: write -f u-boot-dtb.img -addr 0x877fffc0
+    SDPU: jump -addr 0x877fffc0
+    SDPU: done
+Power on the target and run the following command from U-Boot root directory:
+  $ sudo ./uuu uuu_script
+- imx_usb_loader tool:
+The imx_usb_loader tool can be downloaded in link below:
+Build the source code and run the following commands from U-Boot root
+  $ sudo ./imx_usb SPL
+  $ sudo ./imx_usb u-boot-dtb.img