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| author | Patrick Delaunay <patrick.delaunay@st.com> | 2018-10-02 10:54:48 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-10-08 14:45:02 -0400 |
| commit | 2023000aed6b586787dd9b02fb6b7adeaec9c23d (patch) | |
| tree | 3e3edeaf3836ad51eba46f277864e2f0b35b61da /doc | |
| parent | c45414b542ee31283bd5954211facbee217f0322 (diff) | |
| download | u-boot-2023000aed6b586787dd9b02fb6b7adeaec9c23d.tar.gz | |
cmd: pxe: add support for FIT config selection
Add a way in configuration files (exlinux.conf for sysboot command)
to select a specific FIT configuration. The configuration is selected
with a string added after the FIT filename in the label "KERNEL" or
"LINUX", using the same format than bootm command:
KERNEL [Filename]#<conf>[#<extra-conf[#...]]
This configuration string, beginning by '#', is directly appended
to bootm argument 1 after <kernel_addr_r>.
bootm [<kernel_addr_r>]#<conf>[#<extra-conf[#...]]
see doc/uImage.FIT/command_syntax_extensions.txt for details
Example :
KERNEL /fit.itb#cfg1
KERNEL /fit.itb#cfg2
Configuration can be use also for overlay management :
KERNEL /fit.itb#cfg1#dtbo1#dtbo3
see doc/uImage.FIT/overlay-fdt-boot.txt for details
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.pxe | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/README.pxe b/doc/README.pxe index 98862cdfde..42f913c61f 100644 --- a/doc/README.pxe +++ b/doc/README.pxe @@ -140,6 +140,13 @@ kernel <path> - if this label is chosen, use tftp to retrieve the kernel (or FIT image) at <path>. it will be stored at the address indicated in the kernel_addr_r environment variable, and that address will be passed to bootm to boot this kernel. + For FIT image, The configuration specification can be + appended to the file name, with the format: + <path>#<conf>[#<extra-conf[#...]] + It will passed to bootm with that address. + (see: doc/uImage.FIT/command_syntax_extensions.txt) + It useful for overlay selection in pxe file + (see: doc/uImage.FIT/overlay-fdt-boot.txt) append <string> - use <string> as the kernel command line when booting this label. |