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e32643544d
In some cases, an interrupt can occur and prevent cause failure to enter wfi. This causes reset to hang. Retrying the wfi should be enough to prevent reset from hanging. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Olof Johansson <olof@lixom.net>
35 lines
972 B
C
35 lines
972 B
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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#include <linux/io.h>
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#include <asm/smp_scu.h>
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#include <asm/proc-fns.h>
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#include "core.h"
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#include "sysregs.h"
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void highbank_restart(char mode, const char *cmd)
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{
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if (mode == 'h')
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hignbank_set_pwr_hard_reset();
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else
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hignbank_set_pwr_soft_reset();
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scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
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while (1)
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cpu_do_idle();
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}
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