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authorPrabhakar Kushwaha <prabhakar.kushwaha@nxp.com>2017-11-23 16:51:41 +0530
committerSimon Glass <sjg@chromium.org>2017-12-24 12:42:50 -0700
commit6bedf44714a145e09fddb8c5a03ada210b812ec9 (patch)
treee66a7e07ba6826daf4093d0aff21388831b1c0e5
parent24acb83d8f04e9a49f161c07d38da50c70e9f16d (diff)
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>
-rw-r--r--arch/arm/lib/bootm-fdt.c12
-rw-r--r--include/fdt_support.h3
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/lib/bootm-fdt.c b/arch/arm/lib/bootm-fdt.c
index eaa817b9ac8..fcc2a0e2146 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 @@ int arch_fixup_fdt(void *blob)
#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 e0f908636c2..f00fadcddbf 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -290,4 +290,7 @@ int fdt_overlay_apply_verbose(void *fdt, void *fdto);
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 */