arch/arm/mach-shmobile/board-kzm9g-reference.c

   1 /*
   2  * KZM-A9-GT board support - Reference Device Tree Implementation
   3  *
   4  * Copyright (C) 2012   Horms Solutions Ltd.
   5  *
   6  * Based on board-kzm9g.c
   7  * Copyright (C) 2012   Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; version 2 of the License.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #include <linux/delay.h>
  20 #include <linux/io.h>
  21 #include <linux/irq.h>
  22 #include <linux/input.h>
  23 #include <linux/of_platform.h>
  24
  25 #include <asm/hardware/cache-l2x0.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28
  29 #include "common.h"
  30 #include "sh73a0.h"
  31
  32 static void __init kzm_init(void)
  33 {
  34         sh73a0_add_standard_devices_dt();
  35
  36 #ifdef CONFIG_CACHE_L2X0
  37         /* Shared attribute override enable, 64K*8way */
  38         l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
  39 #endif
  40 }
  41
  42 #define RESCNT2 IOMEM(0xe6188020)
  43 static void kzm9g_restart(enum reboot_mode mode, const char *cmd)
  44 {
  45         /* Do soft power on reset */
  46         writel((1 << 31), RESCNT2);
  47 }
  48
  49 static const char *kzm9g_boards_compat_dt[] __initdata = {
  50         "renesas,kzm9g-reference",
  51         NULL,
  52 };
  53
  54 DT_MACHINE_START(KZM9G_DT, "kzm9g-reference")
  55         .smp            = smp_ops(sh73a0_smp_ops),
  56         .map_io         = sh73a0_map_io,
  57         .init_early     = shmobile_init_delay,
  58         .init_machine   = kzm_init,
  59         .init_late      = shmobile_init_late,
  60         .restart        = kzm9g_restart,
  61         .dt_compat      = kzm9g_boards_compat_dt,
  62 MACHINE_END