freebsd-skq/sys/arm/altera/socfpga/socfpga_rstmgr.h
br e32ad75659 Add Reset Manager driver. This driver provides generic way to reset
and provides sysctl tunables for enable/disable FPGA<->HPS bridges.

Sponsored by:	DARPA, AFRL
2014-09-11 18:12:28 +00:00

47 lines
2.2 KiB
C

/*-
* Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
* All rights reserved.
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
* ("CTSRD"), as part of the DARPA CRASH research programme.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#define RSTMGR_STAT 0x0 /* Status */
#define RSTMGR_CTRL 0x4 /* Control */
#define CTRL_SWWARMRSTREQ (1 << 1) /* Trigger warm reset */
#define RSTMGR_COUNTS 0x8 /* Reset Cycles Count */
#define RSTMGR_MPUMODRST 0x10 /* MPU Module Reset */
#define RSTMGR_PERMODRST 0x14 /* Peripheral Module Reset */
#define RSTMGR_PER2MODRST 0x18 /* Peripheral 2 Module Reset */
#define RSTMGR_BRGMODRST 0x1C /* Bridge Module Reset */
#define BRGMODRST_FPGA2HPS (1 << 2)
#define BRGMODRST_LWHPS2FPGA (1 << 1)
#define BRGMODRST_HPS2FPGA (1 << 0)
#define RSTMGR_MISCMODRST 0x20 /* Miscellaneous Module Reset */
int rstmgr_warmreset(void);