diff options
| author | Edoardo Tomelleri <e.tomell@gmail.com> | 2022-09-21 15:26:33 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-10-11 15:40:48 -0400 |
| commit | 35821a25c1ca06b71fbf6f46442cc9d93b31fb7d (patch) | |
| tree | 011180a0b289dcace11993721540c4fbda2205e6 /doc/README.pxe | |
| parent | 300077cf8cfe6875f3f0a919ec1d0dd32c42b178 (diff) | |
cmd: pxe: add alias devicetree-overlay for fdtoverlays
This adds keyword devicetree-overlay as an alias for fdtoverlays in
extlinux (sysboot) and pxe to better follow the Boot Loader Specification
[1], improves documentation around them by adding an example for both
fdtoverlays and devicetree-overlay and the environment variable required
for this feature. The link for the spec is updated to the current one.
[1] https://systemd.io/BOOT_LOADER_SPECIFICATION/
Signed-off-by: Edoardo Tomelleri <e.tomell@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Diffstat (limited to 'doc/README.pxe')
| -rw-r--r-- | doc/README.pxe | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/README.pxe b/doc/README.pxe index 75caa01c4a..d14d2bdcc9 100644 --- a/doc/README.pxe +++ b/doc/README.pxe @@ -163,6 +163,13 @@ fdtoverlays <path> [...] - if this label is chosen, use tftp to retrieve the DT and then applied in the load order to the fdt blob stored at the address indicated in the fdt_addr_r environment variable. +devicetree-overlay <path> [...] - if this label is chosen, use tftp to retrieve the DT + overlay(s) at <path>. it will be temporarily stored at the + address indicated in the fdtoverlay_addr_r environment variable, + and then applied in the load order to the fdt blob stored at the + address indicated in the fdt_addr_r environment variable. + Alias for fdtoverlays. + kaslrseed - set this label to request random number from hwrng as kaslr seed. append <string> - use <string> as the kernel command line when booting this @@ -178,6 +185,11 @@ fdt <path> - if this label is chosen, use tftp to retrieve the fdt blob the fdt_addr_r environment variable, and that address will be passed to bootm. +devicetree <path> - if this label is chosen, use tftp to retrieve the fdt blob + at <path>. it will be stored at the address indicated in + the fdt_addr_r environment variable, and that address will + be passed to bootm. Alias for fdt. + fdtdir <path> - if this label is chosen, use tftp to retrieve a fdt blob relative to <path>. If the fdtfile environment variable is set, <path>/<fdtfile> is retrieved. Otherwise, the |