LXR linux/arch/arm/mach-shmobile/setup-sh73a0.c

   1/*
   2 * sh73a0 processor support
   3 *
   4 * Copyright (C) 2010  Takashi Yoshii
   5 * Copyright (C) 2010  Magnus Damm
   6 * Copyright (C) 2008  Yoshihiro Shimoda
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; version 2 of the License.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 */
  17#include <linux/kernel.h>
  18#include <linux/init.h>
  19#include <linux/interrupt.h>
  20#include <linux/irq.h>
  21#include <linux/of_platform.h>
  22#include <linux/delay.h>
  23#include <linux/input.h>
  24#include <linux/io.h>
  25
  26#include <asm/hardware/cache-l2x0.h>
  27#include <asm/mach/map.h>
  28#include <asm/mach/arch.h>
  29#include <asm/mach/time.h>
  30
  31#include "common.h"
  32#include "sh73a0.h"
  33
  34static struct map_desc sh73a0_io_desc[] __initdata = {
  35        /* create a 1:1 identity mapping for 0xe6xxxxxx
  36         * used by CPGA, INTC and PFC.
  37         */
  38        {
  39                .virtual        = 0xe6000000,
  40                .pfn            = __phys_to_pfn(0xe6000000),
  41                .length         = 256 << 20,
  42                .type           = MT_DEVICE_NONSHARED
  43        },
  44};
  45
  46static void __init sh73a0_map_io(void)
  47{
  48        debug_ll_io_init();
  49        iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
  50}
  51
  52static void __init sh73a0_generic_init(void)
  53{
  54#ifdef CONFIG_CACHE_L2X0
  55        /* Shared attribute override enable, 64K*8way */
  56        l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
  57#endif
  58        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  59}
  60
  61static const char *const sh73a0_boards_compat_dt[] __initconst = {
  62        "renesas,sh73a0",
  63        NULL,
  64};
  65
  66DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
  67        .smp            = smp_ops(sh73a0_smp_ops),
  68        .map_io         = sh73a0_map_io,
  69        .init_early     = shmobile_init_delay,
  70        .init_machine   = sh73a0_generic_init,
  71        .init_late      = shmobile_init_late,
  72        .dt_compat      = sh73a0_boards_compat_dt,
  73MACHINE_END
  74