arch/arm/mach-highbank/sysregs.h

   1 /*
   2  * Copyright 2011 Calxeda, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16 #ifndef _MACH_HIGHBANK__SYSREGS_H_
  17 #define _MACH_HIGHBANK__SYSREGS_H_
  18
  19 #include <linux/io.h>
  20
  21 extern void __iomem *sregs_base;
  22
  23 #define HB_SREG_A9_PWR_REQ              0xf00
  24 #define HB_SREG_A9_BOOT_STAT            0xf04
  25 #define HB_SREG_A9_BOOT_DATA            0xf08
  26
  27 #define HB_PWR_SUSPEND                  0
  28 #define HB_PWR_SOFT_RESET               1
  29 #define HB_PWR_HARD_RESET               2
  30 #define HB_PWR_SHUTDOWN                 3
  31
  32 static inline void hignbank_set_pwr_suspend(void)
  33 {
  34         writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
  35 }
  36
  37 static inline void hignbank_set_pwr_shutdown(void)
  38 {
  39         writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ);
  40 }
  41
  42 static inline void hignbank_set_pwr_soft_reset(void)
  43 {
  44         writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
  45 }
  46
  47 static inline void hignbank_set_pwr_hard_reset(void)
  48 {
  49         writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
  50 }
  51
  52 #endif