[U-Boot] [PATCH] mx6ulevk: Include SDP boot instructions in README
Breno Matheus Lima
breno.lima at nxp.com
Thu Jul 18 19:55:29 UTC 2019
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 at gmail.com>
Signed-off-by: Breno Lima <breno.lima at nxp.com>
---
board/freescale/mx6ul_14x14_evk/README | 46 ++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
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:
+https://github.com/NXPmicro/mfgtools
+
+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:
+https://github.com/boundarydevices/imx_usb_loader
+
+Build the source code and run the following commands from U-Boot root
+directory:
+
+ $ sudo ./imx_usb SPL
+ $ sudo ./imx_usb u-boot-dtb.img
--
2.17.1
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