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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
commit49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch)
treef14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/mach-s3c2410/include/mach/system.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff)
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB [ARM] 5166/1: magician: add MAINTAINERS entry [ARM] fix pnx4008 build errors [ARM] Fix SMP booting with non-zero PHYS_OFFSET [ARM] 5185/1: Fix spi num_chipselect for lubbock [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include [ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead [ARM] Eliminate useless includes of asm/mach-types.h [ARM] Fix circular include dependency with IRQ headers avr32: Use <mach/foo.h> instead of <asm/arch/foo.h> avr32: Introduce arch/avr32/mach-*/include/mach avr32: Move include/asm-avr32 to arch/avr32/include/asm [ARM] sa1100_wdt: use reset_status to remember watchdog reset status [ARM] pxa: introduce reset_status and clear_reset_status for driver's usage [ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/system.h')
-rw-r--r--arch/arm/mach-s3c2410/include/mach/system.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/system.h b/arch/arm/mach-s3c2410/include/mach/system.h
new file mode 100644
index 00000000000..e9f676bc011
--- /dev/null
+++ b/arch/arm/mach-s3c2410/include/mach/system.h
@@ -0,0 +1,58 @@
+/* arch/arm/mach-s3c2410/include/mach/system.h
+ *
+ * Copyright (c) 2003 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - System function defines and includes
+ *
+ * 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 <mach/hardware.h>
+#include <asm/io.h>
+
+#include <mach/map.h>
+#include <mach/idle.h>
+#include <mach/reset.h>
+
+#include <mach/regs-clock.h>
+
+void (*s3c24xx_idle)(void);
+void (*s3c24xx_reset_hook)(void);
+
+void s3c24xx_default_idle(void)
+{
+ unsigned long tmp;
+ int i;
+
+ /* idle the system by using the idle mode which will wait for an
+ * interrupt to happen before restarting the system.
+ */
+
+ /* Warning: going into idle state upsets jtag scanning */
+
+ __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
+ S3C2410_CLKCON);
+
+ /* the samsung port seems to do a loop and then unset idle.. */
+ for (i = 0; i < 50; i++) {
+ tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
+ }
+
+ /* this bit is not cleared on re-start... */
+
+ __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
+ S3C2410_CLKCON);
+}
+
+static void arch_idle(void)
+{
+ if (s3c24xx_idle != NULL)
+ (s3c24xx_idle)();
+ else
+ s3c24xx_default_idle();
+}
+
+#include <mach/system-reset.h>