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arm: imx: Drop custom lowlevel_init

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The custom lowlevel_init implementation is no longer necessary, since
it is responsible for routing and trapping SErrors in U-Boot in EL2,
which is implemented in common code since commit:
6c7691edd5 ("armv8: Always unmask SErrors")

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2022-12-22 01:46:36 +01:00 committed by Stefano Babic
parent 11a1a3b73d
commit ae237b1e62
2 changed files with 0 additions and 24 deletions
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2
arch/arm/mach-imx/Makefile
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@ -235,8 +235,6 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot-dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
obj-$(CONFIG_ARM64) += lowlevel.o
obj-$(CONFIG_MX5) += mx5/
obj-$(CONFIG_MX6) += mx6/
obj-$(CONFIG_MX7) += mx7/

22
arch/arm/mach-imx/lowlevel.S
View file

@ -1,22 +0,0 @@
/* 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)