67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* Copyright (c) 2018, 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 <common/debug.h>
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#include <lib/mmio.h>
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#include <platform_def.h>
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#include <common/runtime_svc.h>
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#include <stdint.h>
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#include "gxl_private.h"
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/*******************************************************************************
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* This function is responsible for handling all SiP calls
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******************************************************************************/
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static uintptr_t gxbb_sip_handler(uint32_t smc_fid,
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u_register_t x1, u_register_t x2,
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u_register_t x3, u_register_t x4,
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void *cookie, void *handle,
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u_register_t flags)
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{
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switch (smc_fid) {
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case GXBB_SM_GET_SHARE_MEM_INPUT_BASE:
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SMC_RET1(handle, GXBB_SHARE_MEM_INPUT_BASE);
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case GXBB_SM_GET_SHARE_MEM_OUTPUT_BASE:
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SMC_RET1(handle, GXBB_SHARE_MEM_OUTPUT_BASE);
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case GXBB_SM_EFUSE_READ:
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{
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void *dst = (void *)GXBB_SHARE_MEM_OUTPUT_BASE;
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uint64_t ret = gxbb_efuse_read(dst, (uint32_t)x1, x2);
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SMC_RET1(handle, ret);
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}
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case GXBB_SM_EFUSE_USER_MAX:
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SMC_RET1(handle, gxbb_efuse_user_max());
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case GXBB_SM_JTAG_ON:
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scpi_jtag_set_state(GXBB_JTAG_STATE_ON, x1);
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SMC_RET1(handle, 0);
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case GXBB_SM_JTAG_OFF:
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scpi_jtag_set_state(GXBB_JTAG_STATE_OFF, x1);
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SMC_RET1(handle, 0);
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default:
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ERROR("BL31: Unhandled SIP SMC: 0x%08x\n", smc_fid);
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break;
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}
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SMC_RET1(handle, SMC_UNK);
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}
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DECLARE_RT_SVC(
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gxbb_sip_handler,
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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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NULL,
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gxbb_sip_handler
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);
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