From f0995d089e46b3ee03acc13d2a3380d90c573381 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Tue, 30 Oct 2012 08:11:24 +0800 Subject: arm: at91: move reset controller header to arm/arm/mach-at91 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Cc: Nicolas Ferre --- arch/arm/mach-at91/at91_rstc.h | 53 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 arch/arm/mach-at91/at91_rstc.h (limited to 'arch/arm/mach-at91/at91_rstc.h') diff --git a/arch/arm/mach-at91/at91_rstc.h b/arch/arm/mach-at91/at91_rstc.h new file mode 100644 index 00000000000..875fa336800 --- /dev/null +++ b/arch/arm/mach-at91/at91_rstc.h @@ -0,0 +1,53 @@ +/* + * arch/arm/mach-at91/include/mach/at91_rstc.h + * + * Copyright (C) 2007 Andrew Victor + * Copyright (C) 2007 Atmel Corporation. + * + * Reset Controller (RSTC) - System peripherals regsters. + * Based on AT91SAM9261 datasheet revision D. + * + * 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 AT91_RSTC_H +#define AT91_RSTC_H + +#ifndef __ASSEMBLY__ +extern void __iomem *at91_rstc_base; + +#define at91_rstc_read(field) \ + __raw_readl(at91_rstc_base + field) + +#define at91_rstc_write(field, value) \ + __raw_writel(value, at91_rstc_base + field); +#else +.extern at91_rstc_base +#endif + +#define AT91_RSTC_CR 0x00 /* Reset Controller Control Register */ +#define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ +#define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */ +#define AT91_RSTC_EXTRST (1 << 3) /* External Reset */ +#define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */ + +#define AT91_RSTC_SR 0x04 /* Reset Controller Status Register */ +#define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */ +#define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */ +#define AT91_RSTC_RSTTYP_GENERAL (0 << 8) +#define AT91_RSTC_RSTTYP_WAKEUP (1 << 8) +#define AT91_RSTC_RSTTYP_WATCHDOG (2 << 8) +#define AT91_RSTC_RSTTYP_SOFTWARE (3 << 8) +#define AT91_RSTC_RSTTYP_USER (4 << 8) +#define AT91_RSTC_NRSTL (1 << 16) /* NRST Pin Level */ +#define AT91_RSTC_SRCMP (1 << 17) /* Software Reset Command in Progress */ + +#define AT91_RSTC_MR 0x08 /* Reset Controller Mode Register */ +#define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */ +#define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */ +#define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */ + +#endif -- cgit v1.2.3