Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-mv78xx0 / mpp.c

diff --git a/kernel/arch/arm/mach-mv78xx0/mpp.c b/kernel/arch/arm/mach-mv78xx0/mpp.c
new file mode 100644 (file)
index 0000000..df50342
--- /dev/null
+++ b/kernel/arch/arm/mach-mv78xx0/mpp.c
@@ -0,0 +1,37 @@
+/*
+ * arch/arm/mach-mv78x00/mpp.c
+ *
+ * MPP functions for Marvell MV78x00 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <plat/mpp.h>
+#include <mach/hardware.h>
+#include "common.h"
+#include "mpp.h"
+
+static unsigned int __init mv78xx0_variant(void)
+{
+       u32 dev, rev;
+
+       mv78xx0_pcie_id(&dev, &rev);
+
+       if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
+               return MPP_78100_A0_MASK;
+
+       printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
+                       "(dev %#x rev %#x)\n", dev, rev);
+       return 0;
+}
+
+void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
+{
+       orion_mpp_conf(mpp_list, mv78xx0_variant(),
+                      MPP_MAX, DEV_BUS_VIRT_BASE);
+}