[U-Boot] [PATCH 2/3] arm: Add support of updating dts before fix-up
Prabhakar Kushwaha
prabhakar.kushwaha at nxp.com
Tue Nov 21 16:26:39 UTC 2017
"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 at nxp.com>
---
arch/arm/lib/bootm-fdt.c | 12 ++++++++++++
include/fdt_support.h | 3 +++
2 files changed, 15 insertions(+)
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 @@ 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 2bca4d7..1e1f8f7 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -272,4 +272,7 @@ 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 */
--
2.7.4
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