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5a07abb370
Add a psci_system_reset() which calls the SYSTEM_RESET function of PSCI 0.2 and can be used by boards that support it to implement reset_cpu(). Signed-off-by: Beniamino Galvani <b.galvani@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright (C) 2013 - ARM Ltd
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ARM_PSCI_H__
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#define __ARM_PSCI_H__
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/* PSCI 0.1 interface */
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#define ARM_PSCI_FN_BASE 0x95c1ba5e
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#define ARM_PSCI_FN(n) (ARM_PSCI_FN_BASE + (n))
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#define ARM_PSCI_FN_CPU_SUSPEND ARM_PSCI_FN(0)
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#define ARM_PSCI_FN_CPU_OFF ARM_PSCI_FN(1)
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#define ARM_PSCI_FN_CPU_ON ARM_PSCI_FN(2)
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#define ARM_PSCI_FN_MIGRATE ARM_PSCI_FN(3)
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#define ARM_PSCI_RET_SUCCESS 0
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#define ARM_PSCI_RET_NI (-1)
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#define ARM_PSCI_RET_INVAL (-2)
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#define ARM_PSCI_RET_DENIED (-3)
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/* PSCI 0.2 interface */
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#define ARM_PSCI_0_2_FN_BASE 0x84000000
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#define ARM_PSCI_0_2_FN(n) (ARM_PSCI_0_2_FN_BASE + (n))
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#define ARM_PSCI_0_2_FN_PSCI_VERSION ARM_PSCI_0_2_FN(0)
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#define ARM_PSCI_0_2_FN_CPU_SUSPEND ARM_PSCI_0_2_FN(1)
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#define ARM_PSCI_0_2_FN_CPU_OFF ARM_PSCI_0_2_FN(2)
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#define ARM_PSCI_0_2_FN_CPU_ON ARM_PSCI_0_2_FN(3)
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#define ARM_PSCI_0_2_FN_AFFINITY_INFO ARM_PSCI_0_2_FN(4)
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#define ARM_PSCI_0_2_FN_MIGRATE ARM_PSCI_0_2_FN(5)
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#define ARM_PSCI_0_2_FN_MIGRATE_INFO_TYPE ARM_PSCI_0_2_FN(6)
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#define ARM_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU ARM_PSCI_0_2_FN(7)
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#define ARM_PSCI_0_2_FN_SYSTEM_OFF ARM_PSCI_0_2_FN(8)
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#define ARM_PSCI_0_2_FN_SYSTEM_RESET ARM_PSCI_0_2_FN(9)
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#ifndef __ASSEMBLY__
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int psci_update_dt(void *fdt);
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void psci_board_init(void);
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#endif /* ! __ASSEMBLY__ */
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#endif /* __ARM_PSCI_H__ */
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