arch/arm/mach-shmobile/setup-emev2.c

   1 /*
   2  * Emma Mobile EV2 processor support
   3  *
   4  * Copyright (C) 2012  Magnus Damm
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/mm.h>
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20 #include <asm/mach/map.h>
  21 #include "common.h"
  22
  23 static struct map_desc emev2_io_desc[] __initdata = {
  24 #ifdef CONFIG_SMP
  25         /* 2M mapping for SCU + L2 controller */
  26         {
  27                 .virtual        = 0xf0000000,
  28                 .pfn            = __phys_to_pfn(0x1e000000),
  29                 .length         = SZ_2M,
  30                 .type           = MT_DEVICE
  31         },
  32 #endif
  33 };
  34
  35 static void __init emev2_map_io(void)
  36 {
  37         iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc));
  38 }
  39
  40 static const char *emev2_boards_compat_dt[] __initconst = {
  41         "renesas,emev2",
  42         NULL,
  43 };
  44
  45 extern struct smp_operations emev2_smp_ops;
  46
  47 DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
  48         .smp            = smp_ops(emev2_smp_ops),
  49         .map_io         = emev2_map_io,
  50         .init_early     = shmobile_init_delay,
  51         .init_late      = shmobile_init_late,
  52         .dt_compat      = emev2_boards_compat_dt,
  53 MACHINE_END