1 /* 2 * Copyright (c) 2015-2023, 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 case IMX_SIP_GPC: 37 SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3)); 38 break; 39 case IMX_SIP_DDR_DVFS: 40 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3); 41 #endif 42 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp) 43 case IMX_SIP_DDR_DVFS: 44 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3); 45 case IMX_SIP_GPC: 46 SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3)); 47 break; 48 #endif 49 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx)) 50 case IMX_SIP_SRTC: 51 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4); 52 case IMX_SIP_CPUFREQ: 53 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); 54 break; 55 case IMX_SIP_WAKEUP_SRC: 56 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3)); 57 case IMX_SIP_OTP_READ: 58 case IMX_SIP_OTP_WRITE: 59 return imx_otp_handler(smc_fid, handle, x1, x2); 60 case IMX_SIP_MISC_SET_TEMP: 61 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4)); 62 #endif 63 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mq) || defined(PLAT_imx8mn) || \ 64 defined(PLAT_imx8mp) 65 case IMX_SIP_SRC: 66 SMC_RET1(handle, imx_src_handler(smc_fid, x1, x2, x3, handle)); 67 break; 68 #endif 69 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp) 70 case IMX_SIP_HAB: 71 SMC_RET1(handle, imx_hab_handler(smc_fid, x1, x2, x3, x4)); 72 break; 73 #endif 74 case IMX_SIP_BUILDINFO: 75 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4)); 76 default: 77 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 78 SMC_RET1(handle, SMC_UNK); 79 break; 80 } 81 } 82 83 /* Define a runtime service descriptor for fast SMC calls */ 84 DECLARE_RT_SVC( 85 imx_sip_svc, 86 OEN_SIP_START, 87 OEN_SIP_END, 88 SMC_TYPE_FAST, 89 imx_sip_setup, 90 imx_sip_handler 91 ); 92