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https://github.com/smaeul/u-boot.git
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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+ */
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/*
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* Copyright 2019 NXP
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*/
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#include <linux/linkage.h>
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ENTRY(lowlevel_init)
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mrs x0, CurrentEL
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cmp x0, #8
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b.eq 1f
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ret
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1:
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msr daifclr, #4
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/* set HCR_EL2.AMO to catch SERROR */
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mrs x0, hcr_el2
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orr x0, x0, #0x20
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msr hcr_el2, x0
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isb
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ret
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ENDPROC(lowlevel_init)
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