arch/arm/mach-shmobile/setup-r7s72100.c

   1 /*
   2  * r7s72100 processor support
   3  *
   4  * Copyright (C) 2013  Renesas Solutions Corp.
   5  * Copyright (C) 2013  Magnus Damm
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <linux/irq.h>
  22 #include <linux/kernel.h>
  23 #include <linux/of_platform.h>
  24 #include <linux/sh_timer.h>
  25 #include <mach/common.h>
  26 #include <mach/irqs.h>
  27 #include <mach/r7s72100.h>
  28 #include <asm/mach/arch.h>
  29
  30 static struct resource mtu2_resources[] __initdata = {
  31         DEFINE_RES_MEM(0xfcff0000, 0x400),
  32         DEFINE_RES_IRQ_NAMED(gic_iid(139), "tgi0a"),
  33 };
  34
  35 #define r7s72100_register_mtu2()                                        \
  36         platform_device_register_resndata(NULL, "sh-mtu2",              \
  37                                           -1, mtu2_resources,           \
  38                                           ARRAY_SIZE(mtu2_resources),   \
  39                                           NULL, 0)
  40
  41 void __init r7s72100_add_dt_devices(void)
  42 {
  43         r7s72100_register_mtu2();
  44 }
  45
  46 void __init r7s72100_init_early(void)
  47 {
  48         shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */
  49 }
  50
  51 #ifdef CONFIG_USE_OF
  52 static const char *r7s72100_boards_compat_dt[] __initdata = {
  53         "renesas,r7s72100",
  54         NULL,
  55 };
  56
  57 DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)")
  58         .init_early     = r7s72100_init_early,
  59         .dt_compat      = r7s72100_boards_compat_dt,
  60 MACHINE_END
  61 #endif /* CONFIG_USE_OF */