| /* |
| * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * Neither the name of ARM nor the names of its contributors may be used |
| * to endorse or promote products derived from this software without specific |
| * prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __PLAT_SIP_SVC_H__ |
| #define __PLAT_SIP_SVC_H__ |
| |
| #include <stdint.h> |
| |
| /* SMC function IDs for SiP Service queries */ |
| #define SIP_SVC_CALL_COUNT 0x8200ff00 |
| #define SIP_SVC_UID 0x8200ff01 |
| /* 0x8200ff02 is reserved */ |
| #define SIP_SVC_VERSION 0x8200ff03 |
| |
| /* Mediatek SiP Service Calls version numbers */ |
| #define MTK_SIP_SVC_VERSION_MAJOR 0x0 |
| #define MTK_SIP_SVC_VERSION_MINOR 0x1 |
| |
| #define SMC_AARCH64_BIT 0x40000000 |
| |
| /* Number of Mediatek SiP Calls implemented */ |
| #define MTK_COMMON_SIP_NUM_CALLS 4 |
| |
| /* Mediatek SiP Service Calls function IDs */ |
| #define MTK_SIP_SET_AUTHORIZED_SECURE_REG 0x82000001 |
| |
| /* For MTK SMC from Secure OS */ |
| /* 0x82000000 - 0x820000FF & 0xC2000000 - 0xC20000FF */ |
| #define MTK_SIP_KERNEL_BOOT_AARCH32 0x82000200 |
| #define MTK_SIP_KERNEL_BOOT_AARCH64 0xC2000200 |
| |
| /* Mediatek SiP Calls error code */ |
| enum { |
| MTK_SIP_E_SUCCESS = 0, |
| MTK_SIP_E_INVALID_PARAM = -1, |
| MTK_SIP_E_NOT_SUPPORTED = -2, |
| MTK_SIP_E_INVALID_RANGE = -3, |
| MTK_SIP_E_PERMISSION_DENY = -4, |
| MTK_SIP_E_LOCK_FAIL = -5 |
| }; |
| |
| /* |
| * This function should be implemented in Mediatek SOC directory. It fullfills |
| * MTK_SIP_SET_AUTHORIZED_SECURE_REG SiP call by checking the sreg with the |
| * predefined secure register list, if a match was found, set val to sreg. |
| * |
| * Return MTK_SIP_E_SUCCESS on success, and MTK_SIP_E_INVALID_PARAM on failure. |
| */ |
| uint64_t mt_sip_set_authorized_sreg(uint32_t sreg, uint32_t val); |
| |
| #endif /* __PLAT_SIP_SVC_H__ */ |