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author | Fabio Estevam <fabio.estevam@nxp.com> | 2017-09-20 11:21:49 -0300 |
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committer | Stefano Babic <sbabic@denx.de> | 2017-10-12 17:31:16 +0200 |
commit | 626365b4f739aa584a690afa68493c37d71131b8 (patch) | |
tree | 2854238f1e7c3af2a2c94002d45288a03d2d504d /doc/README.imx6 | |
parent | 560a8af2f484b1949acff95beeb951bd2da37220 (diff) | |
download | u-boot-626365b4f739aa584a690afa68493c37d71131b8.zip u-boot-626365b4f739aa584a690afa68493c37d71131b8.tar.gz u-boot-626365b4f739aa584a690afa68493c37d71131b8.tar.bz2 |
README.imx6: Prefer loading SPL via the new SDP mechanism
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>
Diffstat (limited to 'doc/README.imx6')
-rw-r--r-- | doc/README.imx6 | 32 |
1 files 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. |