mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-29 08:01:08 +00:00
23 lines
310 B
ArmAsm
23 lines
310 B
ArmAsm
|
/* SPDX-License-Identifier: GPL-2.0+ */
|
||
|
/*
|
||
|
* Copyright 2019 NXP
|
||
|
*/
|
||
|
|
||
|
#include <linux/linkage.h>
|
||
|
|
||
|
ENTRY(lowlevel_init)
|
||
|
mrs x0, CurrentEL
|
||
|
cmp x0, #8
|
||
|
b.eq 1f
|
||
|
ret
|
||
|
1:
|
||
|
msr daifclr, #4
|
||
|
|
||
|
/* set HCR_EL2.AMO to catch SERROR */
|
||
|
mrs x0, hcr_el2
|
||
|
orr x0, x0, #0x20
|
||
|
msr hcr_el2, x0
|
||
|
isb
|
||
|
ret
|
||
|
ENDPROC(lowlevel_init)
|