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
imx_sip_setup(void)17 static int32_t imx_sip_setup(void)
18 {
19 return 0;
20 }
21
imx_sip_handler(unsigned int smc_fid,u_register_t x1,u_register_t x2,u_register_t x3,u_register_t x4,void * cookie,void * handle,u_register_t flags)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 case IMX_SIP_HIFI_XRDC:
41 SMC_RET1(handle, imx_hifi_xrdc(smc_fid));
42 break;
43 case IMX_SIP_DDR_DVFS:
44 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3);
45 #endif
46 #if defined(PLAT_imx8mq)
47 case IMX_SIP_GET_SOC_INFO:
48 SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3));
49 break;
50 case IMX_SIP_GPC:
51 SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3));
52 break;
53 case IMX_SIP_DDR_DVFS:
54 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3);
55 #endif
56 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp)
57 case IMX_SIP_DDR_DVFS:
58 return dram_dvfs_handler(smc_fid, handle, x1, x2, x3);
59 case IMX_SIP_GPC:
60 SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3));
61 break;
62 #endif
63 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx))
64 case IMX_SIP_SRTC:
65 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4);
66 case IMX_SIP_CPUFREQ:
67 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3));
68 break;
69 case IMX_SIP_WAKEUP_SRC:
70 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3));
71 case IMX_SIP_OTP_READ:
72 case IMX_SIP_OTP_WRITE:
73 return imx_otp_handler(smc_fid, handle, x1, x2);
74 case IMX_SIP_MISC_SET_TEMP:
75 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4));
76 #endif
77 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mq) || defined(PLAT_imx8mn) || \
78 defined(PLAT_imx8mp)
79 case IMX_SIP_SRC:
80 SMC_RET1(handle, imx_src_handler(smc_fid, x1, x2, x3, handle));
81 break;
82 #endif
83 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mn) || defined(PLAT_imx8mp)
84 case IMX_SIP_HAB:
85 SMC_RET1(handle, imx_hab_handler(smc_fid, x1, x2, x3, x4));
86 break;
87 #endif
88 case IMX_SIP_BUILDINFO:
89 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4));
90 default:
91 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid);
92 SMC_RET1(handle, SMC_UNK);
93 break;
94 }
95 }
96
97 /* Define a runtime service descriptor for fast SMC calls */
98 DECLARE_RT_SVC(
99 imx_sip_svc,
100 OEN_SIP_START,
101 OEN_SIP_END,
102 SMC_TYPE_FAST,
103 imx_sip_setup,
104 imx_sip_handler
105 );
106