1 /* 2 * Copyright (c) 2015-2024, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <stdint.h> 8 9 #include <common/debug.h> 10 #include <common/runtime_svc.h> 11 #include <drivers/scmi-msg.h> 12 #include <lib/pmf/pmf.h> 13 #include <tools_share/uuid.h> 14 15 #include <imx_sip_svc.h> 16 17 static int32_t imx_sip_setup(void) 18 { 19 return 0; 20 } 21 22 static uintptr_t imx_sip_handler(unsigned int smc_fid, 23 u_register_t x1, 24 u_register_t x2, 25 u_register_t x3, 26 u_register_t x4, 27 void *cookie, 28 void *handle, 29 u_register_t flags) 30 { 31 switch (smc_fid) { 32 case IMX_SIP_AARCH32: 33 SMC_RET1(handle, imx_kernel_entry_handler(smc_fid, x1, x2, x3, x4)); 34 break; 35 #if defined(PLAT_imx8ulp) 36 case IMX_SIP_SCMI: 37 scmi_smt_fastcall_smc_entry(0); 38 SMC_RET1(handle, 0); 39 break; 40 #endif 41 #if defined(PLAT_imx8mq) 42 case IMX_SIP_GET_SOC_INFO: 43 SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3)); 44 break; 45 case IMX_SIP_GPC: 46 SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3)); 47 break; 48 case IMX_SIP_DDR_DVFS: 49 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3); 50 #endif 51 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp) 52 case IMX_SIP_DDR_DVFS: 53 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3); 54 case IMX_SIP_GPC: 55 SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3)); 56 break; 57 #endif 58 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx)) 59 case IMX_SIP_SRTC: 60 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4); 61 case IMX_SIP_CPUFREQ: 62 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); 63 break; 64 case IMX_SIP_WAKEUP_SRC: 65 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3)); 66 case IMX_SIP_OTP_READ: 67 case IMX_SIP_OTP_WRITE: 68 return imx_otp_handler(smc_fid, handle, x1, x2); 69 case IMX_SIP_MISC_SET_TEMP: 70 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4)); 71 #endif 72 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mq) || defined(PLAT_imx8mn) || \ 73 defined(PLAT_imx8mp) 74 case IMX_SIP_SRC: 75 SMC_RET1(handle, imx_src_handler(smc_fid, x1, x2, x3, handle)); 76 break; 77 #endif 78 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp) 79 case IMX_SIP_HAB: 80 SMC_RET1(handle, imx_hab_handler(smc_fid, x1, x2, x3, x4)); 81 break; 82 #endif 83 case IMX_SIP_BUILDINFO: 84 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4)); 85 default: 86 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 87 SMC_RET1(handle, SMC_UNK); 88 break; 89 } 90 } 91 92 /* Define a runtime service descriptor for fast SMC calls */ 93 DECLARE_RT_SVC( 94 imx_sip_svc, 95 OEN_SIP_START, 96 OEN_SIP_END, 97 SMC_TYPE_FAST, 98 imx_sip_setup, 99 imx_sip_handler 100 ); 101