1 /* 2 * Copyright (c) 2015-2022, 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_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp) 38 case IMX_SIP_DDR_DVFS: 39 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3); 40 #endif 41 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx)) 42 case IMX_SIP_SRTC: 43 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4); 44 case IMX_SIP_CPUFREQ: 45 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); 46 break; 47 case IMX_SIP_WAKEUP_SRC: 48 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3)); 49 case IMX_SIP_OTP_READ: 50 case IMX_SIP_OTP_WRITE: 51 return imx_otp_handler(smc_fid, handle, x1, x2); 52 case IMX_SIP_MISC_SET_TEMP: 53 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4)); 54 #endif 55 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mq) 56 case IMX_SIP_SRC: 57 SMC_RET1(handle, imx_src_handler(smc_fid, x1, x2, x3, handle)); 58 break; 59 #endif 60 case IMX_SIP_BUILDINFO: 61 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4)); 62 default: 63 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid); 64 SMC_RET1(handle, SMC_UNK); 65 break; 66 } 67 } 68 69 /* Define a runtime service descriptor for fast SMC calls */ 70 DECLARE_RT_SVC( 71 imx_sip_svc, 72 OEN_SIP_START, 73 OEN_SIP_END, 74 SMC_TYPE_FAST, 75 imx_sip_setup, 76 imx_sip_handler 77 ); 78