diff options
Diffstat (limited to 'src/arch/arm64/include')
| -rw-r--r-- | src/arch/arm64/include/arch/header.ld | 1 | ||||
| -rw-r--r-- | src/arch/arm64/include/arch/psci.h | 263 | ||||
| -rw-r--r-- | src/arch/arm64/include/arch/smc.h | 118 | ||||
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/secmon.h | 30 |
4 files changed, 0 insertions, 412 deletions
diff --git a/src/arch/arm64/include/arch/header.ld b/src/arch/arm64/include/arch/header.ld index 318f998a0c..2ea0a19304 100644 --- a/src/arch/arm64/include/arch/header.ld +++ b/src/arch/arm64/include/arch/header.ld @@ -28,7 +28,6 @@ PHDRS TARGET(binary) #endif -/* secmon uses rmodules */ #if ENV_RMODULE ENTRY(_start) #else diff --git a/src/arch/arm64/include/arch/psci.h b/src/arch/arm64/include/arch/psci.h deleted file mode 100644 index 4d9f051a86..0000000000 --- a/src/arch/arm64/include/arch/psci.h +++ /dev/null @@ -1,263 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * 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. - */ - -#ifndef __ARCH_PSCI_H__ -#define __ARCH_PSCI_H__ - -#include <stdint.h> -#include <arch/cpu.h> -#include <arch/smc.h> - -/* PSCI v0.2 power state encoding for CPU_SUSPEND function */ -#define PSCI_0_2_POWER_STATE_ID_MASK 0xffff -#define PSCI_0_2_POWER_STATE_ID_SHIFT 0 -#define PSCI_0_2_POWER_STATE_TYPE_SHIFT 16 -#define PSCI_0_2_POWER_STATE_TYPE_MASK \ - (0x1 << PSCI_0_2_POWER_STATE_TYPE_SHIFT) -#define PSCI_0_2_POWER_STATE_AFFL_SHIFT 24 -#define PSCI_0_2_POWER_STATE_AFFL_MASK \ - (0x3 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) - -#define PSCI_POWER_STATE_TYPE_STANDBY 0 -#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 - -struct psci_power_state { - u16 id; - u8 type; - u8 affinity_level; -}; - -/* Return Values */ -enum { - PSCI_RET_SUCCESS = 0, - PSCI_RET_NOT_SUPPORTED = -1, - PSCI_RET_INVALID_PARAMETERS = -2, - PSCI_RET_DENIED = -3, - PSCI_RET_ALREADY_ON = -4, - PSCI_RET_ON_PENDING = -5, - PSCI_RET_INTERNAL_FAILURE = -6, - PSCI_RET_NOT_PRESENT = -7, - PSCI_RET_DISABLED = -8, -}; - -/* Generic PSCI state. */ -enum { - PSCI_STATE_OFF = 0, - PSCI_STATE_ON_PENDING, - PSCI_STATE_ON, -}; - -/* Affinity level support. */ -enum { - PSCI_AFFINITY_LEVEL_0, - PSCI_AFFINITY_LEVEL_1, - PSCI_AFFINITY_LEVEL_2, - PSCI_AFFINITY_LEVEL_3, - PSCI_AFFINITY_ROOT, - PSCI_AFFINITY_LEVEL_HIGHEST = PSCI_AFFINITY_ROOT, -}; - -static inline int psci_level_below(int level) -{ - return level - 1; -} - -struct psci_node; - -struct psci_cpu_state { - struct cpu_info *ci; - struct cpu_action startup; - struct cpu_action resume; - /* Ancestor of target to update state in CPU_ON case. */ - struct psci_node *ancestor; -}; - -struct psci_node_group { - size_t num; - struct psci_node *nodes; -}; - -struct psci_node { - uint64_t mpidr; - /* Affinity level of node. */ - int level; - /* Generic power state of this entity. */ - int state; - /* The SoC can stash its own state accounting in here. */ - int soc_state; - /* Parent of curernt entity. */ - struct psci_node *parent; - /* - * CPUs are leaves in the tree. They don't have children. The - * CPU-specific bits of storage can be shared with the children - * storage. - */ - union { - struct psci_node_group children; - struct psci_cpu_state cpu_state; - }; -}; - -static inline struct psci_node *psci_node_parent(const struct psci_node *n) -{ - return n->parent; -} - -static inline int psci_root_node(const struct psci_node *n) -{ - return psci_node_parent(n) == NULL; -} - -enum { - PSCI_CMD_ON, - PSCI_CMD_OFF, - PSCI_CMD_SUSPEND, - PSCI_CMD_RESUME, -}; - -/* - * PSCI actions are serialized into a command for the SoC to process. There are - * 2 phases of a command being processed: prepare and commit. The prepare() is - * called with the PSCI locks held for the state of the PSCI nodes. If - * successful, the appropriate locks will be dropped and commit() will be - * called with the same structure. It is permissible for the SoC support code - * to modify the struture passed in (e.g. to update the requested state_id to - * reflect dynamic constraints on how deep of a state to enter). - */ -struct psci_cmd { - /* Command type. */ - int type; - /* - * PSCI state id for PSCI_CMD_OFF and PSCI_CMD_STANDBY commands. - * A value of -1 indicates a CPU_OFF request. - */ - int state_id; - struct psci_power_state *state; - /* - * target is the command's target, but it can affect up to the - * ancestor entity. If target == ancestor then it only affects - * target, otherwise all entites up the hierarchy including ancestor. - */ - struct psci_node *target; - struct psci_node *ancestor; -}; - -struct psci_soc_ops { - /* - * Return number of entities one level below given parent affinitly - * level and mpidr. - */ - size_t (*children_at_level)(int parent_level, uint64_t mpidr); - - int (*cmd_prepare)(struct psci_cmd *cmd); - int (*cmd_commit)(struct psci_cmd *cmd); -}; - -/* Each SoC needs to provide the functions in the psci_soc_ops structure. */ -extern struct psci_soc_ops soc_psci_ops; - -/* PSCI Functions. */ -enum { - /* 32-bit System level functions. */ - PSCI_VERSION = SMC_FUNC_FAST32(0x4, 0x0), - PSCI_SYSTEM_OFF = SMC_FUNC_FAST32(0x4, 0x8), - PSCI_SYSTEM_RESET = SMC_FUNC_FAST32(0x4, 0x9), - - /* 32-bit CPU support functions. */ - PSCI_CPU_SUSPEND32 = SMC_FUNC_FAST32(0x4, 0x1), - PSCI_CPU_OFF32 = SMC_FUNC_FAST32(0x4, 0x2), - PSCI_CPU_ON32 = SMC_FUNC_FAST32(0x4, 0x3), - - /* 64-bit CPU support functions. */ - PSCI_CPU_SUSPEND64 = SMC_FUNC_FAST64(0x4, 0x1), - PSCI_CPU_ON64 = SMC_FUNC_FAST64(0x4, 0x3), -}; - -/* Parameter arguments. */ -enum { - PSCI_PARAM_0 = 1, - PSCI_PARAM_1, - PSCI_PARAM_2, - PSCI_PARAM_3, - PSCI_RETURN_0 = 1, - PSCI_RETURN_1, - PSCI_RETURN_2, - PSCI_RETURN_3, -}; - -struct psci_func { - uint32_t id; - struct smc_call *smc; -}; - -static inline void psci_power_state_unpack(uint32_t power_state, - struct psci_power_state *state) -{ - state->id = (power_state & PSCI_0_2_POWER_STATE_ID_MASK) >> - PSCI_0_2_POWER_STATE_ID_SHIFT; - state->type = (power_state & PSCI_0_2_POWER_STATE_TYPE_MASK) >> - PSCI_0_2_POWER_STATE_TYPE_SHIFT; - state->affinity_level = - (power_state & PSCI_0_2_POWER_STATE_AFFL_MASK) >> - PSCI_0_2_POWER_STATE_AFFL_SHIFT; -} - -static inline void psci_func_init(struct psci_func *pf, struct smc_call *smc) -{ - pf->id = smc_function_id(smc); - pf->smc = smc; -} - -static inline uint64_t psci64_arg(struct psci_func *pf, unsigned i) -{ - return smc64_arg(pf->smc, i); -} - -static inline uint32_t psci32_arg(struct psci_func *pf, unsigned i) -{ - return psci64_arg(pf, i); -} - -static inline void psci64_result(struct psci_func *pf, unsigned i, uint64_t v) -{ - smc64_result(pf->smc, i, v); -} - -static inline void psci32_result(struct psci_func *pf, unsigned i, uint32_t v) -{ - uint64_t v64 = v; - psci64_result(pf, i, v64); -} - -static inline void psci32_return(struct psci_func *pf, int32_t val) -{ - psci32_result(pf, 0, val); -} - -static inline void psci64_return(struct psci_func *pf, int64_t val) -{ - psci64_result(pf, 0, val); -} - -void psci_init(uintptr_t cpu_on_entry); -void psci_soc_init(uintptr_t cpu_on_entry); - -/* Turn on the current CPU within the PSCI subsystem. */ -void psci_turn_on_self(const struct cpu_action *action); -int psci_turn_off_self(void); -/* Entry point for CPUs just turning on or waking up. */ -void psci_cpu_entry(void); - -#endif /* __ARCH_PSCI_H__ */ diff --git a/src/arch/arm64/include/arch/smc.h b/src/arch/arm64/include/arch/smc.h deleted file mode 100644 index 90cbdcd412..0000000000 --- a/src/arch/arm64/include/arch/smc.h +++ /dev/null @@ -1,118 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * 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. - */ - -#ifndef __ARCH_SMC_H__ -#define __ARCH_SMC_H__ - -#include <stdint.h> - -enum { - FUNC_ID_CALL_TYPE_SHIFT = 31, - FUNC_ID_CALL_TYPE_MASK = (1 << FUNC_ID_CALL_TYPE_SHIFT), - FUNC_ID_FASTCALL = (1 << FUNC_ID_CALL_TYPE_SHIFT), - FUNC_ID_STDCALL = (0 << FUNC_ID_CALL_TYPE_SHIFT), - - FUNC_ID_CALL_CONVENTION_SHIFT = 30, - FUNC_ID_CALL_CONVENTION_MASK = (1 << FUNC_ID_CALL_CONVENTION_SHIFT), - FUNC_ID_SMC32 = (0 << FUNC_ID_CALL_CONVENTION_SHIFT), - FUNC_ID_SMC64 = (1 << FUNC_ID_CALL_CONVENTION_SHIFT), - - FUNC_ID_ENTITY_SHIFT = 24, - FUNC_ID_ENTITY_MASK = (0x3f << FUNC_ID_ENTITY_SHIFT), - - FUNC_ID_FUNC_NUMBER_SHIFT = 0, - FUNC_ID_FUNC_NUMBER_MASK = (0xffff << FUNC_ID_FUNC_NUMBER_SHIFT), - - FUNC_ID_MASK = FUNC_ID_CALL_TYPE_MASK | FUNC_ID_CALL_CONVENTION_MASK | - FUNC_ID_ENTITY_MASK | FUNC_ID_FUNC_NUMBER_MASK, - - SMC_NUM_ARGS = 8, /* The last is optional hypervisor id. */ - SMC_NUM_RESULTS = 4, - - SMC_UNKNOWN_FUNC = 0xffffffff, -}; - -#define SMC_FUNC(entity, number, call_convention, call_type) \ - ((call_type) | (call_convention) | \ - ((entity) << FUNC_ID_ENTITY_SHIFT) | (number)) - -#define SMC_FUNC_FAST(entity, number, call_convention) \ - SMC_FUNC((entity), (number), (call_convention), FUNC_ID_FASTCALL) - -#define SMC_FUNC_FAST32(entity, number) \ - SMC_FUNC_FAST((entity), (number), FUNC_ID_SMC32) - -#define SMC_FUNC_FAST64(entity, number) \ - SMC_FUNC_FAST((entity), (number), FUNC_ID_SMC64) - -struct smc_call { - uint64_t args[SMC_NUM_ARGS]; - uint64_t results[SMC_NUM_RESULTS]; -}; - -/* SMC immediate value needs to be 0. */ -/* Check mod AARCHx mode against calling convention. */ - -static inline uint64_t smc64_arg(const struct smc_call *smc, unsigned i) -{ - return smc->args[i]; -} - -static inline uint32_t smc32_arg(const struct smc_call *smc, unsigned i) -{ - return smc64_arg(smc, i); -} - -static inline void smc64_result(struct smc_call *smc, unsigned i, uint64_t v) -{ - smc->results[i] = v; -} - -static inline void smc32_result(struct smc_call *smc, unsigned i, uint32_t v) -{ - uint64_t v64 = v; - smc64_result(smc, i, v64); -} - -static inline void smc32_return(struct smc_call *smc, int32_t v) -{ - smc32_result(smc, 0, v); -} - -static inline uint32_t smc_hypervisor_id(const struct smc_call *smc) -{ - /* Set in W7 */ - return smc32_arg(smc, 7); -} - -static inline uint32_t smc_session_id(const struct smc_call *smc) -{ - /* Set in W6 */ - return smc32_arg(smc, 6); -} - -static inline uint32_t smc_function_id(const struct smc_call *smc) -{ - /* Function ID in W0. */ - return smc32_arg(smc, 0) & FUNC_ID_MASK; -} - -/* Initialize the SMC layer. */ -void smc_init(void); - -/* Register a handler for a given function range, inclusive. */ -int smc_register_range(uint32_t min, uint32_t max, int (*)(struct smc_call *)); - -#endif /* __ARCH_SMC_H__ */ diff --git a/src/arch/arm64/include/armv8/arch/secmon.h b/src/arch/arm64/include/armv8/arch/secmon.h deleted file mode 100644 index c100de5651..0000000000 --- a/src/arch/arm64/include/armv8/arch/secmon.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * 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. - */ - -#ifndef __ARCH_ARM64_ARMV8_SECMON__ -#define __ARCH_ARM64_ARMV8_SECMON__ - -#include <arch/cpu.h> - -struct secmon_params { - size_t online_cpus; - struct cpu_action bsp; - struct cpu_action secondary; -}; - -void secmon_run(void (*entry)(void *), void *arg); -void soc_get_secmon_base_size(uint64_t *secmon_base, size_t *secmon_size); - -#endif /*__ARCH_ARM64_ARMV8_SECMON__ */ |