Linux-libre 4.2-gnu

3 files changed, 60 insertions, 0 deletions

diff --git a/arch/arc/plat-sim/Kconfig b/arch/arc/plat-sim/Kconfig
new file mode 100644
index 000000000..18e39fcc4
--- /dev/null
+++ b/arch/arc/plat-sim/Kconfig
@@ -0,0 +1,14 @@
+#
+# Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+
+menuconfig ARC_PLAT_SIM
+	bool "ARC nSIM based simulation virtual platforms"
+	select ARC_HAS_COH_CACHES if SMP
+	help
+	  Support for nSIM based ARC simulation platforms
+	  This includes the standalone nSIM (uart only) vs. System C OSCI VP
diff --git a/arch/arc/plat-sim/Makefile b/arch/arc/plat-sim/Makefile
new file mode 100644
index 000000000..00b1a958c
--- /dev/null
+++ b/arch/arc/plat-sim/Makefile
@@ -0,0 +1,9 @@
+#
+# Copyright (C) 2011-2012 Synopsys, Inc. (www.synopsys.com)
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+
+obj-y := platform.o
diff --git a/arch/arc/plat-sim/platform.c b/arch/arc/plat-sim/platform.c
new file mode 100644
index 000000000..d9e35b4a2
--- /dev/null
+++ b/arch/arc/plat-sim/platform.c
@@ -0,0 +1,37 @@
+/*
+ * ARC simulation Platform support code
+ *
+ * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <asm/mach_desc.h>
+#include <asm/mcip.h>
+
+/*----------------------- Machine Descriptions ------------------------------
+ *
+ * Machine description is simply a set of platform/board specific callbacks
+ * This is not directly related to DeviceTree based dynamic device creation,
+ * however as part of early device tree scan, we also select the right
+ * callback set, by matching the DT compatible name.
+ */
+
+static const char *simulation_compat[] __initconst = {
+	"snps,nsim",
+	"snps,nsim_hs",
+	"snps,nsimosci",
+	"snps,nsimosci_hs",
+	NULL,
+};
+
+MACHINE_START(SIMULATION, "simulation")
+	.dt_compat	= simulation_compat,
+#ifdef CONFIG_ARC_MCIP
+	.init_early	= mcip_init_early_smp,
+	.init_smp	= mcip_init_smp,
+#endif
+MACHINE_END