| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __TSP_H__ |
| 32 | #define __TSP_H__ |
| 33 | |
| 34 | /* |
| 35 | * SMC function IDs that TSP uses to signal various forms of completions |
| 36 | * to the secure payload dispatcher. |
| 37 | */ |
| 38 | #define TSP_ENTRY_DONE 0xf2000000 |
| 39 | #define TSP_ON_DONE 0xf2000001 |
| 40 | #define TSP_OFF_DONE 0xf2000002 |
| 41 | #define TSP_SUSPEND_DONE 0xf2000003 |
| 42 | #define TSP_RESUME_DONE 0xf2000004 |
| 43 | #define TSP_PREEMPTED 0xf2000005 |
| 44 | #define TSP_SYSTEM_OFF_DONE 0xf2000008 |
| 45 | #define TSP_SYSTEM_RESET_DONE 0xf2000009 |
| 46 | |
| 47 | /* |
| 48 | * Function identifiers to handle FIQs through the synchronous handling model. |
| 49 | * If the TSP was previously interrupted then control has to be returned to |
| 50 | * the TSPD after handling the interrupt else execution can remain in the TSP. |
| 51 | */ |
| 52 | #define TSP_HANDLED_S_EL1_FIQ 0xf2000006 |
| 53 | #define TSP_EL3_FIQ 0xf2000007 |
| 54 | |
| 55 | /* SMC function ID that TSP uses to request service from secure monitor */ |
| 56 | #define TSP_GET_ARGS 0xf2001000 |
| 57 | |
| 58 | /* |
| 59 | * Identifiers for various TSP services. Corresponding function IDs (whether |
| 60 | * fast or standard) are generated by macros defined below |
| 61 | */ |
| 62 | #define TSP_ADD 0x2000 |
| 63 | #define TSP_SUB 0x2001 |
| 64 | #define TSP_MUL 0x2002 |
| 65 | #define TSP_DIV 0x2003 |
| 66 | #define TSP_HANDLE_FIQ_AND_RETURN 0x2004 |
| 67 | |
| 68 | /* |
| 69 | * Generate function IDs for TSP services to be used in SMC calls, by |
| 70 | * appropriately setting bit 31 to differentiate standard and fast SMC calls |
| 71 | */ |
| 72 | #define TSP_STD_FID(fid) ((fid) | 0x72000000 | (0 << 31)) |
| 73 | #define TSP_FAST_FID(fid) ((fid) | 0x72000000 | (1 << 31)) |
| 74 | |
| 75 | /* SMC function ID to request a previously preempted std smc */ |
| 76 | #define TSP_FID_RESUME TSP_STD_FID(0x3000) |
| 77 | |
| 78 | /* |
| 79 | * Identify a TSP service from function ID filtering the last 16 bits from the |
| 80 | * SMC function ID |
| 81 | */ |
| 82 | #define TSP_BARE_FID(fid) ((fid) & 0xffff) |
| 83 | |
| 84 | /* |
| 85 | * Total number of function IDs implemented for services offered to NS clients. |
| 86 | * The function IDs are defined above |
| 87 | */ |
| 88 | #define TSP_NUM_FID 0x4 |
| 89 | |
| 90 | /* TSP implementation version numbers */ |
| 91 | #define TSP_VERSION_MAJOR 0x0 /* Major version */ |
| 92 | #define TSP_VERSION_MINOR 0x1 /* Minor version */ |
| 93 | |
| 94 | /* |
| 95 | * Standard Trusted OS Function IDs that fall under Trusted OS call range |
| 96 | * according to SMC calling convention |
| 97 | */ |
| 98 | #define TOS_CALL_COUNT 0xbf00ff00 /* Number of calls implemented */ |
| 99 | #define TOS_UID 0xbf00ff01 /* Implementation UID */ |
| 100 | /* 0xbf00ff02 is reserved */ |
| 101 | #define TOS_CALL_VERSION 0xbf00ff03 /* Trusted OS Call Version */ |
| 102 | |
| 103 | |
| 104 | #ifndef __ASSEMBLY__ |
| 105 | |
| 106 | #include <stdint.h> |
| 107 | |
| 108 | |
| 109 | typedef uint32_t tsp_vector_isn_t; |
| 110 | |
| 111 | typedef struct tsp_vectors { |
| 112 | tsp_vector_isn_t std_smc_entry; |
| 113 | tsp_vector_isn_t fast_smc_entry; |
| 114 | tsp_vector_isn_t cpu_on_entry; |
| 115 | tsp_vector_isn_t cpu_off_entry; |
| 116 | tsp_vector_isn_t cpu_resume_entry; |
| 117 | tsp_vector_isn_t cpu_suspend_entry; |
| 118 | tsp_vector_isn_t fiq_entry; |
| 119 | tsp_vector_isn_t system_off_entry; |
| 120 | tsp_vector_isn_t system_reset_entry; |
| 121 | } tsp_vectors_t; |
| 122 | |
| 123 | |
| 124 | #endif /* __ASSEMBLY__ */ |
| 125 | |
| 126 | #endif /* __TSP_H__ */ |