summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-realview/include/mach/system.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-realview/include/mach/system.h')
-rw-r--r--arch/arm/mach-realview/include/mach/system.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/include/mach/system.h b/arch/arm/mach-realview/include/mach/system.h
new file mode 100644
index 000000000000..4d3c8f3f8053
--- /dev/null
+++ b/arch/arm/mach-realview/include/mach/system.h
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/mach-realview/include/mach/system.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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 __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <mach/hardware.h>
+#include <asm/io.h>
+#include <mach/platform.h>
+
+static inline void arch_idle(void)
+{
+ /*
+ * This should do all the clock switching
+ * and wait for interrupt tricks
+ */
+ cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+ void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET;
+ unsigned int val;
+
+ /*
+ * To reset, we hit the on-board reset register
+ * in the system FPGA
+ */
+ val = __raw_readl(hdr_ctrl);
+ val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR;
+ __raw_writel(val, hdr_ctrl);
+}
+
+#endif
OpenPOWER on IntegriCloud