mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 00:47:26 +00:00
de274663f5
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>
23 lines
389 B
C
23 lines
389 B
C
/*
|
|
* Copyright 2017 NXP
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
|
|
unsigned long call_imx_sip(unsigned long id, unsigned long reg0,
|
|
unsigned long reg1, unsigned long reg2)
|
|
{
|
|
struct pt_regs regs;
|
|
|
|
regs.regs[0] = id;
|
|
regs.regs[1] = reg0;
|
|
regs.regs[2] = reg1;
|
|
regs.regs[3] = reg2;
|
|
|
|
smc_call(®s);
|
|
|
|
return regs.regs[0];
|
|
}
|