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author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-08-13 16:53:15 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-08-14 10:05:37 +0200 |
commit | 6d06c4e318382a5c0bc1e2243b77f58d5ecd88ea (patch) | |
tree | 3f6768430e718bda5b49d98af6154cf3ac7dcba5 /commands/of_property.c | |
parent | 7a15e03fca742e35f1a1bc3103015b8965860b94 (diff) | |
download | barebox-6d06c4e318382a5c0bc1e2243b77f58d5ecd88ea.tar.gz barebox-6d06c4e318382a5c0bc1e2243b77f58d5ecd88ea.tar.xz |
of_property command: allow to set phandles
With this properties with phandles can be created. A phandle
is created when cells are parsed (in '<' '>') and a cell does
not begin with a digit.
The phandles can be specified either by alias or by full path.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands/of_property.c')
-rw-r--r-- | commands/of_property.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/commands/of_property.c b/commands/of_property.c index a544f71ce1..4518c72528 100644 --- a/commands/of_property.c +++ b/commands/of_property.c @@ -55,7 +55,36 @@ static int of_parse_prop_cells(char * const *newval, int count, char *data, int } cp = newp; - tmp = simple_strtoul(cp, &newp, 0); + + if (isdigit(*cp)) { + tmp = simple_strtoul(cp, &newp, 0); + } else { + struct device_node *n; + char *str; + int len = 0; + + str = cp; + while (*str && *str != '>' && *str != ' ') { + str++; + len++; + } + + str = xzalloc(len + 1); + strncpy(str, cp, len); + + n = of_find_node_by_path_or_alias(NULL, str); + if (!n) + printf("Cannot find node '%s'\n", str); + + free(str); + + if (!n) + return -EINVAL; + + tmp = of_node_create_phandle(n); + newp += len; + } + *(__be32 *)data = __cpu_to_be32(tmp); data += 4; *len += 4; @@ -276,7 +305,8 @@ BAREBOX_CMD_HELP_USAGE("of_property [OPTIONS] [NODE] [PROPERTY] [VALUES]\n") BAREBOX_CMD_HELP_OPT ("-s", "set property to value\n") BAREBOX_CMD_HELP_OPT ("-d", "delete property\n") BAREBOX_CMD_HELP_TEXT ("\nvalid formats for values:\n") -BAREBOX_CMD_HELP_TEXT ("<0x00112233 4 05> - an array of cells\n") +BAREBOX_CMD_HELP_TEXT ("<0x00112233 4 05> - an array of cells. cells not beginning with a digit are\n") +BAREBOX_CMD_HELP_TEXT (" interpreted as node pathes and converted to phandles\n") BAREBOX_CMD_HELP_TEXT ("[00 11 22 .. nn] - byte stream\n") BAREBOX_CMD_HELP_TEXT ("If the value does not start with '<' or '[' it is interpreted as strings\n") BAREBOX_CMD_HELP_END |