arch/arm/mach-at91/at91sam9.c

   1 /*
   2  *  Setup code for AT91SAM9
   3  *
   4  *  Copyright (C) 2011 Atmel,
   5  *                2011 Nicolas Ferre <nicolas.ferre@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/system_misc.h>
  15
  16 #include "generic.h"
  17 #include "soc.h"
  18
  19 static const struct at91_soc at91sam9_socs[] = {
  20         AT91_SOC(AT91SAM9260_CIDR_MATCH, 0, "at91sam9260", NULL),
  21         AT91_SOC(AT91SAM9261_CIDR_MATCH, 0, "at91sam9261", NULL),
  22         AT91_SOC(AT91SAM9263_CIDR_MATCH, 0, "at91sam9263", NULL),
  23         AT91_SOC(AT91SAM9G20_CIDR_MATCH, 0, "at91sam9g20", NULL),
  24         AT91_SOC(AT91SAM9RL64_CIDR_MATCH, 0, "at91sam9rl64", NULL),
  25         AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M11_EXID_MATCH,
  26                  "at91sam9m11", "at91sam9g45"),
  27         AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M10_EXID_MATCH,
  28                  "at91sam9m10", "at91sam9g45"),
  29         AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G46_EXID_MATCH,
  30                  "at91sam9g46", "at91sam9g45"),
  31         AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G45_EXID_MATCH,
  32                  "at91sam9g45", "at91sam9g45"),
  33         AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G15_EXID_MATCH,
  34                  "at91sam9g15", "at91sam9x5"),
  35         AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G35_EXID_MATCH,
  36                  "at91sam9g35", "at91sam9x5"),
  37         AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X35_EXID_MATCH,
  38                  "at91sam9x35", "at91sam9x5"),
  39         AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G25_EXID_MATCH,
  40                  "at91sam9g25", "at91sam9x5"),
  41         AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X25_EXID_MATCH,
  42                  "at91sam9x25", "at91sam9x5"),
  43         AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN12_EXID_MATCH,
  44                  "at91sam9cn12", "at91sam9n12"),
  45         AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9N12_EXID_MATCH,
  46                  "at91sam9n12", "at91sam9n12"),
  47         AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN11_EXID_MATCH,
  48                  "at91sam9cn11", "at91sam9n12"),
  49         AT91_SOC(AT91SAM9XE128_CIDR_MATCH, 0, "at91sam9xe128", "at91sam9xe128"),
  50         AT91_SOC(AT91SAM9XE256_CIDR_MATCH, 0, "at91sam9xe256", "at91sam9xe256"),
  51         AT91_SOC(AT91SAM9XE512_CIDR_MATCH, 0, "at91sam9xe512", "at91sam9xe512"),
  52         { /* sentinel */ },
  53 };
  54
  55 static void __init at91sam9_common_init(void)
  56 {
  57         struct soc_device *soc;
  58         struct device *soc_dev = NULL;
  59
  60         soc = at91_soc_init(at91sam9_socs);
  61         if (soc != NULL)
  62                 soc_dev = soc_device_to_device(soc);
  63
  64         of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);
  65
  66         arm_pm_idle = at91sam9_idle;
  67 }
  68
  69 static void __init at91sam9_dt_device_init(void)
  70 {
  71         at91sam9_common_init();
  72         at91sam9260_pm_init();
  73 }
  74
  75 static const char *const at91_dt_board_compat[] __initconst = {
  76         "atmel,at91sam9",
  77         NULL
  78 };
  79
  80 DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM9")
  81         /* Maintainer: Atmel */
  82         .init_machine   = at91sam9_dt_device_init,
  83         .dt_compat      = at91_dt_board_compat,
  84 MACHINE_END
  85
  86 static void __init at91sam9g45_dt_device_init(void)
  87 {
  88         at91sam9_common_init();
  89         at91sam9g45_pm_init();
  90 }
  91
  92 static const char *const at91sam9g45_board_compat[] __initconst = {
  93         "atmel,at91sam9g45",
  94         NULL
  95 };
  96
  97 DT_MACHINE_START(at91sam9g45_dt, "Atmel AT91SAM9G45")
  98         /* Maintainer: Atmel */
  99         .init_machine   = at91sam9g45_dt_device_init,
 100         .dt_compat      = at91sam9g45_board_compat,
 101 MACHINE_END
 102
 103 static void __init at91sam9x5_dt_device_init(void)
 104 {
 105         at91sam9_common_init();
 106         at91sam9x5_pm_init();
 107 }
 108
 109 static const char *const at91sam9x5_board_compat[] __initconst = {
 110         "atmel,at91sam9x5",
 111         "atmel,at91sam9n12",
 112         NULL
 113 };
 114
 115 DT_MACHINE_START(at91sam9x5_dt, "Atmel AT91SAM9")
 116         /* Maintainer: Atmel */
 117         .init_machine   = at91sam9x5_dt_device_init,
 118         .dt_compat      = at91sam9x5_board_compat,
 119 MACHINE_END