diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-17 16:18:22 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-17 16:18:28 +0200 |
commit | 5043124e660fcc3ddefe4239ddfa017bf13f5081 (patch) | |
tree | 06875cdb942afe460dbac33acf3e8223c805a35d /arch/mn10300/include/asm/reset-regs.h | |
parent | 77857dc07247ed5fa700a197c96ef842d8dbebdf (diff) | |
parent | 9f76208c33984ab777eace5d07a4e36e88703e02 (diff) |
Merge branch 'linus' into x86/apic
Merge reason: new intr-remap patches depend on the s2ram iommu fixes from upstream
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mn10300/include/asm/reset-regs.h')
-rw-r--r-- | arch/mn10300/include/asm/reset-regs.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/reset-regs.h b/arch/mn10300/include/asm/reset-regs.h new file mode 100644 index 00000000000..174523d5013 --- /dev/null +++ b/arch/mn10300/include/asm/reset-regs.h @@ -0,0 +1,64 @@ +/* MN10300 Reset controller and watchdog timer definitions + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_RESET_REGS_H +#define _ASM_RESET_REGS_H + +#include <asm/cpu-regs.h> +#include <asm/exceptions.h> + +#ifdef __KERNEL__ + +#ifdef CONFIG_MN10300_WD_TIMER +#define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */ +#endif + +/* + * watchdog timer registers + */ +#define WDBC __SYSREGC(0xc0001000, u8) /* watchdog binary counter reg */ + +#define WDCTR __SYSREG(0xc0001002, u8) /* watchdog timer control reg */ +#define WDCTR_WDCK 0x07 /* clock source selection */ +#define WDCTR_WDCK_256th 0x00 /* - OSCI/256 */ +#define WDCTR_WDCK_1024th 0x01 /* - OSCI/1024 */ +#define WDCTR_WDCK_2048th 0x02 /* - OSCI/2048 */ +#define WDCTR_WDCK_16384th 0x03 /* - OSCI/16384 */ +#define WDCTR_WDCK_65536th 0x04 /* - OSCI/65536 */ +#define WDCTR_WDRST 0x40 /* binary counter reset */ +#define WDCTR_WDCNE 0x80 /* watchdog timer enable */ + +#define RSTCTR __SYSREG(0xc0001004, u8) /* reset control reg */ +#define RSTCTR_CHIPRST 0x01 /* chip reset */ +#define RSTCTR_DBFRST 0x02 /* double fault reset flag */ +#define RSTCTR_WDTRST 0x04 /* watchdog timer reset flag */ +#define RSTCTR_WDREN 0x08 /* watchdog timer reset enable */ + +#ifndef __ASSEMBLY__ + +static inline void mn10300_proc_hard_reset(void) +{ + RSTCTR &= ~RSTCTR_CHIPRST; + RSTCTR |= RSTCTR_CHIPRST; +} + +extern unsigned int watchdog_alert_counter; + +extern void watchdog_go(void); +extern asmlinkage void watchdog_handler(void); +extern asmlinkage +void watchdog_interrupt(struct pt_regs *, enum exception_code); + +#endif + +#endif /* __KERNEL__ */ + +#endif /* _ASM_RESET_REGS_H */ |