1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <stdint.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <common/debug.h> 10*91f16700Schasinglulu #include <common/runtime_svc.h> 11*91f16700Schasinglulu #include <lib/pmf/pmf.h> 12*91f16700Schasinglulu #include <tools_share/uuid.h> 13*91f16700Schasinglulu 14*91f16700Schasinglulu #include <hisi_sip_svc.h> 15*91f16700Schasinglulu 16*91f16700Schasinglulu /* Hisi SiP Service UUID */ 17*91f16700Schasinglulu DEFINE_SVC_UUID2(hisi_sip_svc_uid, 18*91f16700Schasinglulu 0x74df99e5, 0x8276, 0xaa40, 0x9f, 0xf8, 19*91f16700Schasinglulu 0xc0, 0x85, 0x52, 0xbc, 0x39, 0x3f); 20*91f16700Schasinglulu 21*91f16700Schasinglulu static int hisi_sip_setup(void) 22*91f16700Schasinglulu { 23*91f16700Schasinglulu if (pmf_setup() != 0) 24*91f16700Schasinglulu return 1; 25*91f16700Schasinglulu return 0; 26*91f16700Schasinglulu } 27*91f16700Schasinglulu 28*91f16700Schasinglulu /* 29*91f16700Schasinglulu * This function handles Hisi defined SiP Calls 30*91f16700Schasinglulu */ 31*91f16700Schasinglulu static uintptr_t hisi_sip_handler(unsigned int smc_fid, 32*91f16700Schasinglulu u_register_t x1, 33*91f16700Schasinglulu u_register_t x2, 34*91f16700Schasinglulu u_register_t x3, 35*91f16700Schasinglulu u_register_t x4, 36*91f16700Schasinglulu void *cookie, 37*91f16700Schasinglulu void *handle, 38*91f16700Schasinglulu u_register_t flags) 39*91f16700Schasinglulu { 40*91f16700Schasinglulu int call_count = 0; 41*91f16700Schasinglulu 42*91f16700Schasinglulu /* 43*91f16700Schasinglulu * Dispatch PMF calls to PMF SMC handler and return its return 44*91f16700Schasinglulu * value 45*91f16700Schasinglulu */ 46*91f16700Schasinglulu if (is_pmf_fid(smc_fid)) { 47*91f16700Schasinglulu return pmf_smc_handler(smc_fid, x1, x2, x3, x4, cookie, 48*91f16700Schasinglulu handle, flags); 49*91f16700Schasinglulu } 50*91f16700Schasinglulu 51*91f16700Schasinglulu switch (smc_fid) { 52*91f16700Schasinglulu case HISI_SIP_SVC_CALL_COUNT: 53*91f16700Schasinglulu /* PMF calls */ 54*91f16700Schasinglulu call_count += PMF_NUM_SMC_CALLS; 55*91f16700Schasinglulu 56*91f16700Schasinglulu /* State switch call */ 57*91f16700Schasinglulu call_count += 1; 58*91f16700Schasinglulu 59*91f16700Schasinglulu SMC_RET1(handle, call_count); 60*91f16700Schasinglulu 61*91f16700Schasinglulu case HISI_SIP_SVC_UID: 62*91f16700Schasinglulu /* Return UID to the caller */ 63*91f16700Schasinglulu SMC_UUID_RET(handle, hisi_sip_svc_uid); 64*91f16700Schasinglulu 65*91f16700Schasinglulu case HISI_SIP_SVC_VERSION: 66*91f16700Schasinglulu /* Return the version of current implementation */ 67*91f16700Schasinglulu SMC_RET2(handle, HISI_SIP_SVC_VERSION_MAJOR, HISI_SIP_SVC_VERSION_MINOR); 68*91f16700Schasinglulu 69*91f16700Schasinglulu default: 70*91f16700Schasinglulu WARN("Unimplemented HISI SiP Service Call: 0x%x \n", smc_fid); 71*91f16700Schasinglulu SMC_RET1(handle, SMC_UNK); 72*91f16700Schasinglulu } 73*91f16700Schasinglulu 74*91f16700Schasinglulu } 75*91f16700Schasinglulu 76*91f16700Schasinglulu 77*91f16700Schasinglulu /* Define a runtime service descriptor for fast SMC calls */ 78*91f16700Schasinglulu DECLARE_RT_SVC( 79*91f16700Schasinglulu hisi_sip_svc, 80*91f16700Schasinglulu OEN_SIP_START, 81*91f16700Schasinglulu OEN_SIP_END, 82*91f16700Schasinglulu SMC_TYPE_FAST, 83*91f16700Schasinglulu hisi_sip_setup, 84*91f16700Schasinglulu hisi_sip_handler 85*91f16700Schasinglulu ); 86