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c3dc39a2f8
It is bad practice to include common.h in other header files since it can bring in any number of superfluous definitions. It implies that some C files don't include it and thus may be missing CONFIG options that are set up by that file. The C files should include these themselves. Update some header files in arch/arm to drop this. Signed-off-by: Simon Glass <sjg@chromium.org>
120 lines
4.3 KiB
C
120 lines
4.3 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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#ifndef __ASSEMBLY__
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#include <linux/bitops.h>
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#endif
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#define ARM_PSCI_VER_1_0 (0x00010000)
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#define ARM_PSCI_VER_0_2 (0x00000002)
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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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#define ARM_PSCI_RET_ALREADY_ON (-4)
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#define ARM_PSCI_RET_ON_PENDING (-5)
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#define ARM_PSCI_RET_INTERNAL_FAILURE (-6)
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#define ARM_PSCI_RET_NOT_PRESENT (-7)
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#define ARM_PSCI_RET_DISABLED (-8)
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#define ARM_PSCI_RET_INVALID_ADDRESS (-9)
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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_FN64_BASE 0xC4000000
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#define ARM_PSCI_0_2_FN64(n) (ARM_PSCI_0_2_FN64_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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#define ARM_PSCI_0_2_FN64_CPU_SUSPEND ARM_PSCI_0_2_FN64(1)
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#define ARM_PSCI_0_2_FN64_CPU_ON ARM_PSCI_0_2_FN64(3)
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#define ARM_PSCI_0_2_FN64_AFFINITY_INFO ARM_PSCI_0_2_FN64(4)
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#define ARM_PSCI_0_2_FN64_MIGRATE ARM_PSCI_0_2_FN64(5)
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#define ARM_PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU ARM_PSCI_0_2_FN64(7)
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#define ARM_PSCI_0_2_FN64_SYSTEM_RESET2 ARM_PSCI_0_2_FN64(18)
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/* PSCI 1.0 interface */
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#define ARM_PSCI_1_0_FN_PSCI_FEATURES ARM_PSCI_0_2_FN(10)
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#define ARM_PSCI_1_0_FN_CPU_FREEZE ARM_PSCI_0_2_FN(11)
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#define ARM_PSCI_1_0_FN_CPU_DEFAULT_SUSPEND ARM_PSCI_0_2_FN(12)
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#define ARM_PSCI_1_0_FN_NODE_HW_STATE ARM_PSCI_0_2_FN(13)
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#define ARM_PSCI_1_0_FN_SYSTEM_SUSPEND ARM_PSCI_0_2_FN(14)
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#define ARM_PSCI_1_0_FN_SET_SUSPEND_MODE ARM_PSCI_0_2_FN(15)
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#define ARM_PSCI_1_0_FN_STAT_RESIDENCY ARM_PSCI_0_2_FN(16)
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#define ARM_PSCI_1_0_FN_STAT_COUNT ARM_PSCI_0_2_FN(17)
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#define ARM_PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND ARM_PSCI_0_2_FN64(12)
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#define ARM_PSCI_1_0_FN64_NODE_HW_STATE ARM_PSCI_0_2_FN64(13)
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#define ARM_PSCI_1_0_FN64_SYSTEM_SUSPEND ARM_PSCI_0_2_FN64(14)
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#define ARM_PSCI_1_0_FN64_STAT_RESIDENCY ARM_PSCI_0_2_FN64(16)
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#define ARM_PSCI_1_0_FN64_STAT_COUNT ARM_PSCI_0_2_FN64(17)
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/* 1KB stack per core */
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#define ARM_PSCI_STACK_SHIFT 10
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#define ARM_PSCI_STACK_SIZE (1 << ARM_PSCI_STACK_SHIFT)
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/* PSCI affinity level state returned by AFFINITY_INFO */
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#define PSCI_AFFINITY_LEVEL_ON 0
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#define PSCI_AFFINITY_LEVEL_OFF 1
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#define PSCI_AFFINITY_LEVEL_ON_PENDING 2
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#define PSCI_RESET2_TYPE_VENDOR_SHIFT 31
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#define PSCI_RESET2_TYPE_VENDOR BIT(PSCI_RESET2_TYPE_VENDOR_SHIFT)
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#ifndef __ASSEMBLY__
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#include <asm/types.h>
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/* These 3 helper functions assume cpu < CONFIG_ARMV7_PSCI_NR_CPUS */
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u32 psci_get_target_pc(int cpu);
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u32 psci_get_context_id(int cpu);
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void psci_save(int cpu, u32 pc, u32 context_id);
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void psci_cpu_entry(void);
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u32 psci_get_cpu_id(void);
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void psci_cpu_off_common(void);
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int psci_update_dt(void *fdt);
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void psci_board_init(void);
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int fdt_psci(void *fdt);
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void psci_v7_flush_dcache_all(void);
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#endif /* ! __ASSEMBLY__ */
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#endif /* __ARM_PSCI_H__ */
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