On both RDU1 and RDU2 the seat notwork configuration is stored in
a configuration EEPROM accessible via the RAVE SP. Add an initcall
to fetch this configuration and add it to the kernel command line.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
arch/arm/boards/zii-common/Makefile | 2 +-
arch/arm/boards/zii-common/board.c | 44 +++++++++++++++++++++++++++++
2 files changed, 45 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boards/zii-common/board.c
diff --git a/arch/arm/boards/zii-common/Makefile b/arch/arm/boards/zii-common/Makefile
index 057f2a89c647..fcc5cdf97dd5 100644
--- a/arch/arm/boards/zii-common/Makefile
+++ b/arch/arm/boards/zii-common/Makefile
@@ -1 +1 @@
-obj-y += switch-cmd.o pn-fixup.o
+obj-y += board.o switch-cmd.o pn-fixup.o
diff --git a/arch/arm/boards/zii-common/board.c b/arch/arm/boards/zii-common/board.c
new file mode 100644
index 000000000000..254b09a7a768
--- /dev/null
+++ b/arch/arm/boards/zii-common/board.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2019 Zodiac Inflight Innovation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <globalvar.h>
+#include <init.h>
+
+static int rdu_networkconfig(void)
+{
+ static char *rdu_netconfig;
+ struct device_d *sp_dev;
+
+ if (!of_machine_is_compatible("zii,imx6q-zii-rdu2") &&
+ !of_machine_is_compatible("zii,imx6qp-zii-rdu2") &&
+ !of_machine_is_compatible("zii,imx51-rdu1"))
+ return 0;
+
+ sp_dev = get_device_by_name("sp");
+ if (!sp_dev) {
+ pr_warn("no sp device found, network config not available!\n");
+ return -ENODEV;
+ }
+
+ rdu_netconfig = basprintf("ip=%s:::%s::eth0:",
+ dev_get_param(sp_dev, "ipaddr"),
+ dev_get_param(sp_dev, "netmask"));
+
+ globalvar_add_simple_string("linux.bootargs.rdu_network",
+ &rdu_netconfig);
+
+ return 0;
+}
+late_initcall(rdu_networkconfig);
--
2.20.1
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