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
imx_sip_setup(void)14 static int32_t imx_sip_setup(void)
15 {
16 return 0;
17 }
18
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)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 #if defined(PLAT_imx8mm) || defined(PLAT_imx8mq)
52 case IMX_SIP_SRC:
53 SMC_RET1(handle, imx_src_handler(smc_fid, x1, x2, x3, handle));
54 break;
55 #endif
56 case IMX_SIP_BUILDINFO:
57 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4));
58 default:
59 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid);
60 SMC_RET1(handle, SMC_UNK);
61 break;
62 }
63 }
64
65 /* Define a runtime service descriptor for fast SMC calls */
66 DECLARE_RT_SVC(
67 imx_sip_svc,
68 OEN_SIP_START,
69 OEN_SIP_END,
70 SMC_TYPE_FAST,
71 imx_sip_setup,
72 imx_sip_handler
73 );
74