mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-25 21:24:21 +08:00
7a0c9b0888
Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug. Signed-off-by: Peng Fan <peng.fan@nxp.com>
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)
|