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 case IMX_SIP_CPUFREQ: 33 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); 34 break; 35 case IMX_SIP_WAKEUP_SRC: 36 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3)); 37 #endif 38 default: 39 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 40 SMC_RET1(handle, SMC_UNK); 41 break; 42 } 43 } 44 45 /* Define a runtime service descriptor for fast SMC calls */ 46 DECLARE_RT_SVC( 47 imx_sip_svc, 48 OEN_SIP_START, 49 OEN_SIP_END, 50 SMC_TYPE_FAST, 51 imx_sip_setup, 52 imx_sip_handler 53 ); 54