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 #if defined(PLAT_imx8mq)
30 case IMX_SIP_GET_SOC_INFO:
31 SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3));
32 break;
33 #endif
34 #if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx))
35 case IMX_SIP_SRTC:
36 return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4);
37 case IMX_SIP_CPUFREQ:
38 SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3));
39 break;
40 case IMX_SIP_WAKEUP_SRC:
41 SMC_RET1(handle, imx_wakeup_src_handler(smc_fid, x1, x2, x3));
42 case IMX_SIP_OTP_READ:
43 case IMX_SIP_OTP_WRITE:
44 return imx_otp_handler(smc_fid, handle, x1, x2);
45 case IMX_SIP_MISC_SET_TEMP:
46 SMC_RET1(handle, imx_misc_set_temp_handler(smc_fid, x1, x2, x3, x4));
47 #endif
48 case IMX_SIP_BUILDINFO:
49 SMC_RET1(handle, imx_buildinfo_handler(smc_fid, x1, x2, x3, x4));
50 default:
51 WARN("Unimplemented i.MX SiP Service Call: 0x%x\n", smc_fid);
52 SMC_RET1(handle, SMC_UNK);
53 break;
54 }
55 }
56
57 /* Define a runtime service descriptor for fast SMC calls */
58 DECLARE_RT_SVC(
59 imx_sip_svc,
60 OEN_SIP_START,
61 OEN_SIP_END,
62 SMC_TYPE_FAST,
63 imx_sip_setup,
64 imx_sip_handler
65 );
66