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Add fdt_fixup_ethernet helper to set mac addresses

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Added a fixup helper that uses aliases to set mac addresses
in the device tree based on the bd_t

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2007-11-21 11:11:03 -06:00
parent dbaf07ce62
commit ab544633ab
2 changed files with 47 additions and 0 deletions
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46
common/fdt_support.c
View file

@ -386,4 +386,50 @@ void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
}
void fdt_fixup_ethernet(void *fdt, bd_t *bd)
{
int node;
const char *path;
node = fdt_path_offset(fdt, "/aliases");
if (node >= 0) {
#if defined(CONFIG_HAS_ETH0)
path = fdt_getprop(fdt, node, "ethernet0", NULL);
if (path) {
do_fixup_by_path(fdt, path, "mac-address",
bd->bi_enetaddr, 6, 0);
do_fixup_by_path(fdt, path, "local-mac-address",
bd->bi_enetaddr, 6, 1);
}
#endif
#if defined(CONFIG_HAS_ETH1)
path = fdt_getprop(fdt, node, "ethernet1", NULL);
if (path) {
do_fixup_by_path(fdt, path, "mac-address",
bd->bi_enet1addr, 6, 0);
do_fixup_by_path(fdt, path, "local-mac-address",
bd->bi_enet1addr, 6, 1);
}
#endif
#if defined(CONFIG_HAS_ETH2)
path = fdt_getprop(fdt, node, "ethernet2", NULL);
if (path) {
do_fixup_by_path(fdt, path, "mac-address",
bd->bi_enet2addr, 6, 0);
do_fixup_by_path(fdt, path, "local-mac-address",
bd->bi_enet2addr, 6, 1);
}
#endif
#if defined(CONFIG_HAS_ETH3)
path = fdt_getprop(fdt, node, "ethernet3", NULL);
if (path) {
do_fixup_by_path(fdt, path, "mac-address",
bd->bi_enet3addr, 6, 0);
do_fixup_by_path(fdt, path, "local-mac-address",
bd->bi_enet3addr, 6, 1);
}
#endif
}
}
#endif /* CONFIG_OF_LIBFDT */

1
include/fdt_support.h
View file

@ -33,6 +33,7 @@ void do_fixup_by_path(void *fdt, const char *path, const char *prop,
const void *val, int len, int create);
void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
u32 val, int create);
void fdt_fixup_ethernet(void *fdt, bd_t *bd);
#ifdef CONFIG_OF_HAS_UBOOT_ENV
int fdt_env(void *fdt);