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_imx8mq) 30 case IMX_SIP_GET_SOC_INFO: 31 SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3)); 32 break; 33 #endif 34 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx)) 35 case IMX_SIP_SRTC: 36 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4); 37 case IMX_SIP_CPUFREQ: 38 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); 39 break; 40 case IMX_SIP_WAKEUP_SRC: 41 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3)); 42 case IMX_SIP_OTP_READ: 43 case IMX_SIP_OTP_WRITE: 44 return imx_otp_handler(smc_fid, handle, x1, x2); 45 case IMX_SIP_MISC_SET_TEMP: 46 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4)); 47 #endif 48 case IMX_SIP_BUILDINFO: 49 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4)); 50 default: 51 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 52 SMC_RET1(handle, SMC_UNK); 53 break; 54 } 55 } 56 57 /* Define a runtime service descriptor for fast SMC calls */ 58 DECLARE_RT_SVC( 59 imx_sip_svc, 60 OEN_SIP_START, 61 OEN_SIP_END, 62 SMC_TYPE_FAST, 63 imx_sip_setup, 64 imx_sip_handler 65 ); 66