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86 lines
1.7 KiB
86 lines
1.7 KiB
/*
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* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdint.h>
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#include <common/debug.h>
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#include <common/runtime_svc.h>
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#include <lib/pmf/pmf.h>
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#include <tools_share/uuid.h>
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#include <hisi_sip_svc.h>
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/* Hisi SiP Service UUID */
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DEFINE_SVC_UUID2(hisi_sip_svc_uid,
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0x74df99e5, 0x8276, 0xaa40, 0x9f, 0xf8,
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0xc0, 0x85, 0x52, 0xbc, 0x39, 0x3f);
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static int hisi_sip_setup(void)
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{
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if (pmf_setup() != 0)
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return 1;
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return 0;
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}
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/*
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* This function handles Hisi defined SiP Calls
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*/
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static uintptr_t hisi_sip_handler(unsigned int smc_fid,
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u_register_t x1,
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u_register_t x2,
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u_register_t x3,
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u_register_t x4,
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void *cookie,
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void *handle,
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u_register_t flags)
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{
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int call_count = 0;
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/*
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* Dispatch PMF calls to PMF SMC handler and return its return
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* value
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*/
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if (is_pmf_fid(smc_fid)) {
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return pmf_smc_handler(smc_fid, x1, x2, x3, x4, cookie,
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handle, flags);
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}
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switch (smc_fid) {
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case HISI_SIP_SVC_CALL_COUNT:
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/* PMF calls */
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call_count += PMF_NUM_SMC_CALLS;
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/* State switch call */
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call_count += 1;
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SMC_RET1(handle, call_count);
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case HISI_SIP_SVC_UID:
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/* Return UID to the caller */
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SMC_UUID_RET(handle, hisi_sip_svc_uid);
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case HISI_SIP_SVC_VERSION:
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/* Return the version of current implementation */
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SMC_RET2(handle, HISI_SIP_SVC_VERSION_MAJOR, HISI_SIP_SVC_VERSION_MINOR);
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default:
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WARN("Unimplemented HISI SiP Service Call: 0x%x \n", smc_fid);
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SMC_RET1(handle, SMC_UNK);
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}
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}
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/* Define a runtime service descriptor for fast SMC calls */
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DECLARE_RT_SVC(
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hisi_sip_svc,
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OEN_SIP_START,
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OEN_SIP_END,
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SMC_TYPE_FAST,
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hisi_sip_setup,
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hisi_sip_handler
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);
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