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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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220e6cf7b7
This adds basic support for the Calxeda Highbank platform. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Reviewed-by: Jamie Iles <jamie@jamieiles.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Copyright 2011 Calxeda, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MACH_HIGHBANK__SYSREGS_H_
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#define _MACH_HIGHBANK__SYSREGS_H_
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#include <linux/io.h>
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extern void __iomem *sregs_base;
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#define HB_SREG_A9_PWR_REQ 0xf00
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#define HB_SREG_A9_BOOT_STAT 0xf04
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#define HB_SREG_A9_BOOT_DATA 0xf08
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#define HB_PWR_SUSPEND 0
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#define HB_PWR_SOFT_RESET 1
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#define HB_PWR_HARD_RESET 2
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#define HB_PWR_SHUTDOWN 3
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static inline void hignbank_set_pwr_suspend(void)
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{
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writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
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}
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static inline void hignbank_set_pwr_shutdown(void)
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{
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writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ);
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}
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static inline void hignbank_set_pwr_soft_reset(void)
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{
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writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
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}
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static inline void hignbank_set_pwr_hard_reset(void)
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{
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writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
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}
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#endif
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