arm: Add support of updating dts before fix-up
"ethernet" node fix-up for device tree happens before Linux boot.
There can be requirement of updating "ethernet" node even before
fix-up. So, add support of updating "ethernet" node.
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/lib/bootm-fdt.c b/arch/arm/lib/bootm-fdt.c
index eaa817b..fcc2a0e 100644
--- a/arch/arm/lib/bootm-fdt.c
+++ b/arch/arm/lib/bootm-fdt.c
@@ -25,6 +25,13 @@
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_FMAN_ENET
+__weak int fdt_update_ethernet_dt(void *blob)
+{
+ return 0;
+}
+#endif
+
int arch_fixup_fdt(void *blob)
{
int ret = 0;
@@ -64,5 +71,10 @@
#endif
#endif
+#ifdef CONFIG_FMAN_ENET
+ ret = fdt_update_ethernet_dt(blob);
+ if (ret)
+ return ret;
+#endif
return 0;
}
diff --git a/include/fdt_support.h b/include/fdt_support.h
index e0f9086..f00fadc 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -290,4 +290,7 @@
int fdtdec_get_int(const void *blob, int node, const char *prop_name,
int default_val);
#endif
+#ifdef CONFIG_FMAN_ENET
+int fdt_update_ethernet_dt(void *blob);
+#endif
#endif /* ifndef __FDT_SUPPORT_H */