80 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  *  Setup code for SAMA5
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|  *
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|  *  Copyright (C) 2013 Atmel,
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|  *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
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|  */
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| 
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| #include <linux/of.h>
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| #include <linux/of_platform.h>
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| 
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| #include <asm/hardware/cache-l2x0.h>
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| #include <asm/mach/arch.h>
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| #include <asm/mach/map.h>
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| #include <asm/outercache.h>
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| #include <asm/system_misc.h>
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| 
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| #include "generic.h"
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| #include "sam_secure.h"
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| 
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| static void sama5_l2c310_write_sec(unsigned long val, unsigned reg)
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| {
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| 	/* OP-TEE configures the L2 cache and does not allow modifying it yet */
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| }
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| 
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| static void __init sama5_secure_cache_init(void)
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| {
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| 	sam_secure_init();
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| 	if (IS_ENABLED(CONFIG_OUTER_CACHE) && sam_linux_is_optee_available())
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| 		outer_cache.write_sec = sama5_l2c310_write_sec;
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| }
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| 
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| static void __init sama5_dt_device_init(void)
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| {
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| 	of_platform_default_populate(NULL, NULL, NULL);
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| 	sama5_pm_init();
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| }
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| 
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| static const char *const sama5_dt_board_compat[] __initconst = {
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| 	"atmel,sama5",
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| 	NULL
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| };
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| 
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| DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
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| 	/* Maintainer: Atmel */
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| 	.init_machine	= sama5_dt_device_init,
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| 	.dt_compat	= sama5_dt_board_compat,
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| MACHINE_END
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| 
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| static const char *const sama5_alt_dt_board_compat[] __initconst = {
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| 	"atmel,sama5d4",
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| 	NULL
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| };
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| 
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| DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
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| 	/* Maintainer: Atmel */
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| 	.init_machine	= sama5_dt_device_init,
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| 	.dt_compat	= sama5_alt_dt_board_compat,
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| 	.l2c_aux_mask	= ~0UL,
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| MACHINE_END
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| 
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| static void __init sama5d2_init(void)
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| {
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| 	of_platform_default_populate(NULL, NULL, NULL);
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| 	sama5d2_pm_init();
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| }
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| 
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| static const char *const sama5d2_compat[] __initconst = {
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| 	"atmel,sama5d2",
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| 	NULL
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| };
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| 
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| DT_MACHINE_START(sama5d2, "Atmel SAMA5")
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| 	/* Maintainer: Atmel */
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| 	.init_machine	= sama5d2_init,
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| 	.init_early	= sama5_secure_cache_init,
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| 	.dt_compat	= sama5d2_compat,
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| 	.l2c_aux_mask	= ~0UL,
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| MACHINE_END
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