arch/arm/mach-at91/sama5.c

   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