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	As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			40 lines
		
	
	
		
			913 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			913 B
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
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 * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
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 */
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#include <init.h>
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#include <asm/io.h>
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#include <asm/armv7_mpu.h>
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int arch_cpu_init(void)
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{
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	int i;
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	struct mpu_region_config stm32_region_config[] = {
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		/*
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		 * Make SDRAM area cacheable & executable.
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		 */
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#if defined(CONFIG_STM32F4)
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		{ 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
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		O_I_WB_RD_WR_ALLOC, REGION_512MB },
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#endif
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		{ 0x90000000, REGION_1, XN_DIS, PRIV_RW_USR_RW,
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		SHARED_WRITE_BUFFERED, REGION_256MB },
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#if defined(CONFIG_STM32F7) || defined(CONFIG_STM32H7)
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		{ 0xC0000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
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		O_I_WB_RD_WR_ALLOC, REGION_512MB },
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#endif
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	};
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	disable_mpu();
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	for (i = 0; i < ARRAY_SIZE(stm32_region_config); i++)
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		mpu_config(&stm32_region_config[i]);
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	enable_mpu();
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	return 0;
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}
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