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invoke_smc() allow U-Boot proper running in non-secure mode (EL2) to invoke SMC call to ATF's PSCI runtime services such as System Manager's registers access, 2nd phase bitstream FPGA reconfiguration, Remote System Update (RSU) and etc. smc_send_mailbox() is a send mailbox command helper function which invokes the ATF's PSCI runtime service (function ID: INTEL_SIP_SMC_MBOX_SEND_CMD) to send mailbox messages to Secure Device Manager (SDM). Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
14 lines
337 B
C
14 lines
337 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2020 Intel Corporation
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*/
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#ifndef _SMC_API_H_
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#define _SMC_API_H_
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int invoke_smc(u32 func_id, u64 *args, int arg_len, u64 *ret_arg, int ret_len);
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int smc_send_mailbox(u32 cmd, u32 len, u32 *arg, u8 urgent, u32 *resp_buf_len,
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u32 *resp_buf);
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#endif /* _SMC_API_H_ */
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