tegra: Add flow, gp_padctl, fuse, sdram headers

These headers provide access to additional Tegra features.

flow - start/stop CPUs
sdram - parameters for SDRAM
fuse - access to on-chip fuses / security settings
gp_padctl - pad control and general purpose registers

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Yen Lin <yelin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/include/asm/arch-tegra2/flow.h b/arch/arm/include/asm/arch-tegra2/flow.h
new file mode 100644
index 0000000..cce6cbf
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/flow.h
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2010, 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _FLOW_H_
+#define _FLOW_H_
+
+struct flow_ctlr {
+	u32	halt_cpu_events;
+	u32	halt_cop_events;
+	u32	cpu_csr;
+	u32	cop_csr;
+	u32	halt_cpu1_events;
+	u32	cpu1_csr;
+};
+
+#endif