| /* |
| * Copyright (C) 2013 - ARM Ltd |
| * Author: Marc Zyngier <marc.zyngier@arm.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __ARM_PSCI_H__ |
| #define __ARM_PSCI_H__ |
| |
| #define ARM_PSCI_VER_1_0 (0x00010000) |
| #define ARM_PSCI_VER_0_2 (0x00000002) |
| |
| /* PSCI 0.1 interface */ |
| #define ARM_PSCI_FN_BASE 0x95c1ba5e |
| #define ARM_PSCI_FN(n) (ARM_PSCI_FN_BASE + (n)) |
| |
| #define ARM_PSCI_FN_CPU_SUSPEND ARM_PSCI_FN(0) |
| #define ARM_PSCI_FN_CPU_OFF ARM_PSCI_FN(1) |
| #define ARM_PSCI_FN_CPU_ON ARM_PSCI_FN(2) |
| #define ARM_PSCI_FN_MIGRATE ARM_PSCI_FN(3) |
| |
| #define ARM_PSCI_RET_SUCCESS 0 |
| #define ARM_PSCI_RET_NI (-1) |
| #define ARM_PSCI_RET_INVAL (-2) |
| #define ARM_PSCI_RET_DENIED (-3) |
| #define ARM_PSCI_RET_ALREADY_ON (-4) |
| #define ARM_PSCI_RET_ON_PENDING (-5) |
| #define ARM_PSCI_RET_INTERNAL_FAILURE (-6) |
| #define ARM_PSCI_RET_NOT_PRESENT (-7) |
| #define ARM_PSCI_RET_DISABLED (-8) |
| #define ARM_PSCI_RET_INVALID_ADDRESS (-9) |
| |
| /* PSCI 0.2 interface */ |
| #define ARM_PSCI_0_2_FN_BASE 0x84000000 |
| #define ARM_PSCI_0_2_FN(n) (ARM_PSCI_0_2_FN_BASE + (n)) |
| |
| #define ARM_PSCI_0_2_FN64_BASE 0xC4000000 |
| #define ARM_PSCI_0_2_FN64(n) (ARM_PSCI_0_2_FN64_BASE + (n)) |
| |
| #define ARM_PSCI_0_2_FN_PSCI_VERSION ARM_PSCI_0_2_FN(0) |
| #define ARM_PSCI_0_2_FN_CPU_SUSPEND ARM_PSCI_0_2_FN(1) |
| #define ARM_PSCI_0_2_FN_CPU_OFF ARM_PSCI_0_2_FN(2) |
| #define ARM_PSCI_0_2_FN_CPU_ON ARM_PSCI_0_2_FN(3) |
| #define ARM_PSCI_0_2_FN_AFFINITY_INFO ARM_PSCI_0_2_FN(4) |
| #define ARM_PSCI_0_2_FN_MIGRATE ARM_PSCI_0_2_FN(5) |
| #define ARM_PSCI_0_2_FN_MIGRATE_INFO_TYPE ARM_PSCI_0_2_FN(6) |
| #define ARM_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU ARM_PSCI_0_2_FN(7) |
| #define ARM_PSCI_0_2_FN_SYSTEM_OFF ARM_PSCI_0_2_FN(8) |
| #define ARM_PSCI_0_2_FN_SYSTEM_RESET ARM_PSCI_0_2_FN(9) |
| |
| #define ARM_PSCI_0_2_FN64_CPU_SUSPEND ARM_PSCI_0_2_FN64(1) |
| #define ARM_PSCI_0_2_FN64_CPU_ON ARM_PSCI_0_2_FN64(3) |
| #define ARM_PSCI_0_2_FN64_AFFINITY_INFO ARM_PSCI_0_2_FN64(4) |
| #define ARM_PSCI_0_2_FN64_MIGRATE ARM_PSCI_0_2_FN64(5) |
| #define ARM_PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU ARM_PSCI_0_2_FN64(7) |
| |
| /* PSCI 1.0 interface */ |
| #define ARM_PSCI_1_0_FN_PSCI_FEATURES ARM_PSCI_0_2_FN(10) |
| #define ARM_PSCI_1_0_FN_CPU_FREEZE ARM_PSCI_0_2_FN(11) |
| #define ARM_PSCI_1_0_FN_CPU_DEFAULT_SUSPEND ARM_PSCI_0_2_FN(12) |
| #define ARM_PSCI_1_0_FN_NODE_HW_STATE ARM_PSCI_0_2_FN(13) |
| #define ARM_PSCI_1_0_FN_SYSTEM_SUSPEND ARM_PSCI_0_2_FN(14) |
| #define ARM_PSCI_1_0_FN_SET_SUSPEND_MODE ARM_PSCI_0_2_FN(15) |
| #define ARM_PSCI_1_0_FN_STAT_RESIDENCY ARM_PSCI_0_2_FN(16) |
| #define ARM_PSCI_1_0_FN_STAT_COUNT ARM_PSCI_0_2_FN(17) |
| |
| #define ARM_PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND ARM_PSCI_0_2_FN64(12) |
| #define ARM_PSCI_1_0_FN64_NODE_HW_STATE ARM_PSCI_0_2_FN64(13) |
| #define ARM_PSCI_1_0_FN64_SYSTEM_SUSPEND ARM_PSCI_0_2_FN64(14) |
| #define ARM_PSCI_1_0_FN64_STAT_RESIDENCY ARM_PSCI_0_2_FN64(16) |
| #define ARM_PSCI_1_0_FN64_STAT_COUNT ARM_PSCI_0_2_FN64(17) |
| |
| /* 1KB stack per core */ |
| #define ARM_PSCI_STACK_SHIFT 10 |
| #define ARM_PSCI_STACK_SIZE (1 << ARM_PSCI_STACK_SHIFT) |
| |
| /* PSCI affinity level state returned by AFFINITY_INFO */ |
| #define PSCI_AFFINITY_LEVEL_ON 0 |
| #define PSCI_AFFINITY_LEVEL_OFF 1 |
| #define PSCI_AFFINITY_LEVEL_ON_PENDING 2 |
| |
| #ifndef __ASSEMBLY__ |
| #include <asm/types.h> |
| |
| /* These 2 helper functions assume cpu < CONFIG_ARMV7_PSCI_NR_CPUS */ |
| u32 psci_get_target_pc(int cpu); |
| void psci_save_target_pc(int cpu, u32 pc); |
| |
| void psci_cpu_entry(void); |
| u32 psci_get_cpu_id(void); |
| void psci_cpu_off_common(void); |
| |
| int psci_update_dt(void *fdt); |
| void psci_board_init(void); |
| int fdt_psci(void *fdt); |
| |
| void psci_v7_flush_dcache_all(void); |
| #endif /* ! __ASSEMBLY__ */ |
| |
| #endif /* __ARM_PSCI_H__ */ |
