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Add SiP (Silicon Provider) services function to issue SMC call to Arm Trusted Firmware. More SiP information could be found in https://github.com/ARM-software/arm-trusted-firmware/blob/master/ docs/arm-sip-service.rst Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
24 lines
389 B
C
24 lines
389 B
C
/*
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* Copyright 2017 NXP
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/arch/sys_proto.h>
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unsigned long call_imx_sip(unsigned long id, unsigned long reg0,
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unsigned long reg1, unsigned long reg2)
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{
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struct pt_regs regs;
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regs.regs[0] = id;
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regs.regs[1] = reg0;
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regs.regs[2] = reg1;
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regs.regs[3] = reg2;
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smc_call(®s);
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return regs.regs[0];
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}
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