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fdt: Add U-Boot version to chosen node

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Add a new device tree property "u-boot,version" in the chosen node to
pass the U-Boot version to the operating system.
This can be useful to implement a firmware upgrade procedure from the
operating system.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Francesco Dolcini 2022-05-19 16:22:26 +02:00 • committed by Tom Rini
parent b85d130ea0
commit 622ecee93a
1 changed files with 10 additions and 0 deletions
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10
common/fdt_support.c
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@ -19,6 +19,7 @@
#include <fdt_support.h> #include <fdt_support.h>
#include <exports.h> #include <exports.h>
#include <fdtdec.h> #include <fdtdec.h>
#include <version.h>
/** /**
* fdt_getprop_u32_default_node - Return a node's property or a default * fdt_getprop_u32_default_node - Return a node's property or a default
@ -305,6 +306,15 @@ int fdt_chosen(void *fdt)
} }
} }
/* add u-boot version */
err = fdt_setprop(fdt, nodeoffset, "u-boot,version", PLAIN_VERSION,
strlen(PLAIN_VERSION) + 1);
if (err < 0) {
printf("WARNING: could not set u-boot,version %s.\n",
fdt_strerror(err));
return err;
}
return fdt_fixup_stdout(fdt, nodeoffset); return fdt_fixup_stdout(fdt, nodeoffset);
} }