Now that it is possible to load SPL and u-boot.img via imx_usb_loader tool, mention this method instead of the old one that relied on ymodem.
Signed-off-by: Fabio Estevam fabio.estevam@nxp.com --- doc/README.imx6 | 32 +++----------------------------- 1 file changed, 3 insertions(+), 29 deletions(-)
diff --git a/doc/README.imx6 b/doc/README.imx6 index 0e00968..2e8f1d8 100644 --- a/doc/README.imx6 +++ b/doc/README.imx6 @@ -110,34 +110,8 @@ issue the command:
sudo ../imx_usb_loader/imx_usb -v u-boot.imx
-Getting U-Boot when SPL support is active, it requires -two downloads. imx_usb_loader downloads the SPL into -OCRAM and starts it. SPL will check for a valid u-boot.img, and -because it is not found, it will wait for it using the y-modem -protocol via the console. - -A first install is then possible by combining imx_usb_loader with -another tool such as kermit. - -sudo ../imx_usb_loader/imx_usb -v SPL -kermit kermit_uboot - -and kermit_uboot contains something like this (set line should be adjusted): - -set line /dev/ttyUSB1 -set speed 115200 -SET CARRIER-WATCH OFF -set flow-control none -set handshake none -set prefixing all -set file type bin -set protocol ymodem -send u-boot.img -c - -The last "c" command tells kermit (from ckermit package in most distros) -to switch from command line mode to communication mode, and when the -script is finished, the U-Boot prompt is shown in the same shell. +In order to load SPL and u-boot.img via imx_usb_loader tool, +please refer to doc/README.sdp.
3. Using Secure Boot on i.MX6 machines with SPL support ------------------------------------------------------- @@ -186,4 +160,4 @@ cat SPL csf-SPL.bin > SPL-signed cat u-boot-ivt.img csf-u-boot.bin > u-boot-signed.img
These two signed binaries can be used on an i.MX6 in closed -configuration when the according SRK Table Hash has been flashed. \ No newline at end of file +configuration when the according SRK Table Hash has been flashed.