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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm/mach-at91/sama5.c
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// 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 <[email protected]>

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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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#include "generic.h"

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#include "sam_secure.h"

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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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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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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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DT_MACHINE_START(sama5_dt, "Atmel SAMA5")

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	/* Maintainer: Atmel */

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	.init_late	= sama5_pm_init,

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	.dt_compat	= sama5_dt_board_compat,

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MACHINE_END

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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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DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")

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	/* Maintainer: Atmel */

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	.init_late	= sama5_pm_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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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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DT_MACHINE_START(sama5d2, "Atmel SAMA5")

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	/* Maintainer: Atmel */

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	.init_early	= sama5_secure_cache_init,

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	.init_late	= sama5d2_pm_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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