43 lines
828 B
ArmAsm
43 lines
828 B
ArmAsm
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/*
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#include <arch/arm/assembler.h>
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#include <platform/memmap.h>
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.text
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ARM_FUNCTION _platform_start
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#if WITH_PROFILE && PROFILE_BUF_SIZE > 0
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// Turn on PCLK to TIM64
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mov r2, #0x0200
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movt r2, #0x3c50
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ldr r3, [r2, #4]
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bic r3, #(1 << 30)
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str r3, [r2, #4]
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// Turn on NCLK to TIM64
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ldr r3, [r2, #0x10]
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bic r3, #(1 << 8)
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str r3, [r2, #0x10]
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// Enable TIM64
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mov r2, #0x0088
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movt r2, #0x3c70
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// r3 = (r<<15)|(1<<4)
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mov r3, #((1 << 15) | (1 << 4))
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movt r3, #1
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str r3, [r2]
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#endif
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bx lr
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