1 /* 2 * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <stdint.h> 8 #include <common/debug.h> 9 #include <common/runtime_svc.h> 10 #include <lib/pmf/pmf.h> 11 #include <tools_share/uuid.h> 12 #include <imx_sip_svc.h> 13 14 static int32_t imx_sip_setup(void) 15 { 16 return 0; 17 } 18 19 static uintptr_t imx_sip_handler(unsigned int smc_fid, 20 u_register_t x1, 21 u_register_t x2, 22 u_register_t x3, 23 u_register_t x4, 24 void *cookie, 25 void *handle, 26 u_register_t flags) 27 { 28 switch (smc_fid) { 29 #if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX)) 30 case IMX_SIP_SRTC: 31 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4); 32 #endif 33 default: 34 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 35 SMC_RET1(handle, SMC_UNK); 36 break; 37 } 38 } 39 40 /* Define a runtime service descriptor for fast SMC calls */ 41 DECLARE_RT_SVC( 42 imx_sip_svc, 43 OEN_SIP_START, 44 OEN_SIP_END, 45 SMC_TYPE_FAST, 46 imx_sip_setup, 47 imx_sip_handler 48 ); 49