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 case IMX_SIP_AARCH32: 30 SMC_RET1(handle, imx_kernel_entry_handler(smc_fid, x1, x2, x3, x4)); 31 break; 32 #if defined(PLAT_imx8mq) 33 case IMX_SIP_GET_SOC_INFO: 34 SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3)); 35 break; 36 #endif 37 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx)) 38 case IMX_SIP_SRTC: 39 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4); 40 case IMX_SIP_CPUFREQ: 41 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); 42 break; 43 case IMX_SIP_WAKEUP_SRC: 44 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3)); 45 case IMX_SIP_OTP_READ: 46 case IMX_SIP_OTP_WRITE: 47 return imx_otp_handler(smc_fid, handle, x1, x2); 48 case IMX_SIP_MISC_SET_TEMP: 49 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4)); 50 #endif 51 case IMX_SIP_BUILDINFO: 52 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4)); 53 default: 54 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 55 SMC_RET1(handle, SMC_UNK); 56 break; 57 } 58 } 59 60 /* Define a runtime service descriptor for fast SMC calls */ 61 DECLARE_RT_SVC( 62 imx_sip_svc, 63 OEN_SIP_START, 64 OEN_SIP_END, 65 SMC_TYPE_FAST, 66 imx_sip_setup, 67 imx_sip_handler 68 ); 69