xref: /linux/arch/arm/mach-at91/sama5.c (revision 2bc46b3ad3c15165f91459b07ff8682478683194)
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 
20 static const struct at91_soc sama5_socs[] = {
21 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D21CU_EXID_MATCH,
22 		 "sama5d21", "sama5d2"),
23 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D22CU_EXID_MATCH,
24 		 "sama5d22", "sama5d2"),
25 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D23CU_EXID_MATCH,
26 		 "sama5d23", "sama5d2"),
27 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D24CX_EXID_MATCH,
28 		 "sama5d24", "sama5d2"),
29 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D24CU_EXID_MATCH,
30 		 "sama5d24", "sama5d2"),
31 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D26CU_EXID_MATCH,
32 		 "sama5d26", "sama5d2"),
33 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27CU_EXID_MATCH,
34 		 "sama5d27", "sama5d2"),
35 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27CN_EXID_MATCH,
36 		 "sama5d27", "sama5d2"),
37 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D28CU_EXID_MATCH,
38 		 "sama5d28", "sama5d2"),
39 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D28CN_EXID_MATCH,
40 		 "sama5d28", "sama5d2"),
41 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D31_EXID_MATCH,
42 		 "sama5d31", "sama5d3"),
43 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D33_EXID_MATCH,
44 		 "sama5d33", "sama5d3"),
45 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D34_EXID_MATCH,
46 		 "sama5d34", "sama5d3"),
47 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D35_EXID_MATCH,
48 		 "sama5d35", "sama5d3"),
49 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D36_EXID_MATCH,
50 		 "sama5d36", "sama5d3"),
51 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D41_EXID_MATCH,
52 		 "sama5d41", "sama5d4"),
53 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D42_EXID_MATCH,
54 		 "sama5d42", "sama5d4"),
55 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D43_EXID_MATCH,
56 		 "sama5d43", "sama5d4"),
57 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D44_EXID_MATCH,
58 		 "sama5d44", "sama5d4"),
59 	{ /* sentinel */ },
60 };
61 
62 static void __init sama5_dt_device_init(void)
63 {
64 	struct soc_device *soc;
65 	struct device *soc_dev = NULL;
66 
67 	soc = at91_soc_init(sama5_socs);
68 	if (soc != NULL)
69 		soc_dev = soc_device_to_device(soc);
70 
71 	of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);
72 	sama5_pm_init();
73 }
74 
75 static const char *const sama5_dt_board_compat[] __initconst = {
76 	"atmel,sama5",
77 	NULL
78 };
79 
80 DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
81 	/* Maintainer: Atmel */
82 	.init_machine	= sama5_dt_device_init,
83 	.dt_compat	= sama5_dt_board_compat,
84 MACHINE_END
85 
86 static const char *const sama5_alt_dt_board_compat[] __initconst = {
87 	"atmel,sama5d2",
88 	"atmel,sama5d4",
89 	NULL
90 };
91 
92 DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
93 	/* Maintainer: Atmel */
94 	.init_machine	= sama5_dt_device_init,
95 	.dt_compat	= sama5_alt_dt_board_compat,
96 	.l2c_aux_mask	= ~0UL,
97 MACHINE_END
98