1/*
 2 *  Setup code for SAMA5
 3 *
 4 *  Copyright (C) 2013 Atmel,
 5 *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
 6 *
 7 * Licensed under GPLv2 or later.
 8 */
 9
10#include <linux/of.h>
11#include <linux/of_platform.h>
12
 
13#include <asm/mach/arch.h>
14#include <asm/mach/map.h>
 
15#include <asm/system_misc.h>
16
17#include "generic.h"
18#include "soc.h"
19
20static const struct at91_soc sama5_socs[] = {
21	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27_EXID_MATCH,
22		 "sama5d27", "sama5d2"),
23	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D31_EXID_MATCH,
24		 "sama5d31", "sama5d3"),
25	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D33_EXID_MATCH,
26		 "sama5d33", "sama5d3"),
27	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D34_EXID_MATCH,
28		 "sama5d34", "sama5d3"),
29	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D35_EXID_MATCH,
30		 "sama5d35", "sama5d3"),
31	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D36_EXID_MATCH,
32		 "sama5d36", "sama5d3"),
33	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D41_EXID_MATCH,
34		 "sama5d41", "sama5d4"),
35	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D42_EXID_MATCH,
36		 "sama5d42", "sama5d4"),
37	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D43_EXID_MATCH,
38		 "sama5d43", "sama5d4"),
39	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D44_EXID_MATCH,
40		 "sama5d44", "sama5d4"),
41	{ /* sentinel */ },
42};
43
44static void __init sama5_dt_device_init(void)
45{
46	struct soc_device *soc;
47	struct device *soc_dev = NULL;
48
49	soc = at91_soc_init(sama5_socs);
50	if (soc != NULL)
51		soc_dev = soc_device_to_device(soc);
 
 
 
52
53	of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);
 
 
54	sama5_pm_init();
55}
56
57static const char *const sama5_dt_board_compat[] __initconst = {
58	"atmel,sama5",
59	NULL
60};
61
62DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
63	/* Maintainer: Atmel */
64	.init_machine	= sama5_dt_device_init,
65	.dt_compat	= sama5_dt_board_compat,
66MACHINE_END
67
68static const char *const sama5_alt_dt_board_compat[] __initconst = {
69	"atmel,sama5d2",
70	"atmel,sama5d4",
71	NULL
72};
73
74DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
75	/* Maintainer: Atmel */
76	.init_machine	= sama5_dt_device_init,
77	.dt_compat	= sama5_alt_dt_board_compat,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
78	.l2c_aux_mask	= ~0UL,
79MACHINE_END

 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