34 lines
998 B
ArmAsm
34 lines
998 B
ArmAsm
/*
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* Copyright (c) 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/linkage.h>
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#include <asm/unified.h>
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.arm
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ENTRY(setup_auxcr)
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mov r12, #0x3
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mrc p15, 0, r0, c1, c0, 1
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orr r0, r0, #0x10 @ Enable ASA
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orr r0, r0, #1 << 5 @ Enable L1NEON
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.word 0xE1600070 @ SMC
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mov r12, #0x2
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mrc p15, 1, r0, c9, c0, 2
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@ Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround)
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orr r0, r0, #1 << 27
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.word 0xE1600070 @ SMC
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bx lr
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ENDPROC(setup_auxcr)
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