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