1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *  Setup code for SAMA5
4 *
5 *  Copyright (C) 2013 Atmel,
6 *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
7 */
8
9#include <linux/of.h>
10#include <linux/of_platform.h>
11
12#include <asm/hardware/cache-l2x0.h>
13#include <asm/mach/arch.h>
14#include <asm/mach/map.h>
15#include <asm/outercache.h>
16#include <asm/system_misc.h>
17
18#include "generic.h"
19#include "sam_secure.h"
20
21static void sama5_l2c310_write_sec(unsigned long val, unsigned reg)
22{
23	/* OP-TEE configures the L2 cache and does not allow modifying it yet */
24}
25
26static void __init sama5_secure_cache_init(void)
27{
28	sam_secure_init();
29	if (IS_ENABLED(CONFIG_OUTER_CACHE) && sam_linux_is_optee_available())
30		outer_cache.write_sec = sama5_l2c310_write_sec;
31}
32
33static void __init sama5_dt_device_init(void)
34{
35	of_platform_default_populate(NULL, NULL, NULL);
36	sama5_pm_init();
37}
38
39static const char *const sama5_dt_board_compat[] __initconst = {
40	"atmel,sama5",
41	NULL
42};
43
44DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
45	/* Maintainer: Atmel */
46	.init_machine	= sama5_dt_device_init,
47	.dt_compat	= sama5_dt_board_compat,
48MACHINE_END
49
50static const char *const sama5_alt_dt_board_compat[] __initconst = {
51	"atmel,sama5d4",
52	NULL
53};
54
55DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
56	/* Maintainer: Atmel */
57	.init_machine	= sama5_dt_device_init,
58	.dt_compat	= sama5_alt_dt_board_compat,
59	.l2c_aux_mask	= ~0UL,
60MACHINE_END
61
62static void __init sama5d2_init(void)
63{
64	of_platform_default_populate(NULL, NULL, NULL);
65	sama5d2_pm_init();
66}
67
68static const char *const sama5d2_compat[] __initconst = {
69	"atmel,sama5d2",
70	NULL
71};
72
73DT_MACHINE_START(sama5d2, "Atmel SAMA5")
74	/* Maintainer: Atmel */
75	.init_machine	= sama5d2_init,
76	.init_early	= sama5_secure_cache_init,
77	.dt_compat	= sama5d2_compat,
78	.l2c_aux_mask	= ~0UL,
79MACHINE_END
80