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authorPaulius Zaleckas <paulius.zaleckas@teltonika.lt>2009-03-26 10:06:08 +0200
committerPaulius Zaleckas <paulius.zaleckas@teltonika.lt>2009-03-26 10:06:08 +0200
commit59d3a193f1ec1639db447aa1ceb39cd1811fb36e (patch)
treee5c5572b3b8b654da76f0fa82c3c78449bb53e90 /arch/arm/mach-gemini/include/mach/system.h
parent6a915af99fc974be8f2180132ddff7d32aad8779 (diff)
ARM: Add Gemini architecture v3
Adds support for Cortina Systems Gemini family CPUs: http://www.cortina-systems.com/products/category/18 v3: - fixed __io(a) to be defined as __typesafe_io(a) v2: - #include <asm/io.h> -> <linux/io.h> - remove asm/system.h include - revorked mm.c to use named initializers - removed "empty" dma.h - updated copyrights Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Diffstat (limited to 'arch/arm/mach-gemini/include/mach/system.h')
-rw-r--r--arch/arm/mach-gemini/include/mach/system.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/include/mach/system.h b/arch/arm/mach-gemini/include/mach/system.h
new file mode 100644
index 00000000000..bbbd72767a0
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/system.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2001-2006 Storlink, Corp.
+ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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.
+ */
+#ifndef __MACH_SYSTEM_H
+#define __MACH_SYSTEM_H
+
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include <mach/global_reg.h>
+
+static inline void arch_idle(void)
+{
+ /*
+ * Because of broken hardware we have to enable interrupts or the CPU
+ * will never wakeup... Acctualy it is not very good to enable
+ * interrupts here since scheduler can miss a tick, but there is
+ * no other way around this. Platforms that needs it for power saving
+ * should call enable_hlt() in init code, since by default it is
+ * disabled.
+ */
+ local_irq_enable();
+ cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+ __raw_writel(RESET_GLOBAL | RESET_CPU1,
+ IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET);
+}
+
+#endif /* __MACH_SYSTEM_H */