linux/arch/arm/mach-shmobile/setup-sh73a0.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * sh73a0 processor support
   4 *
   5 * Copyright (C) 2010  Takashi Yoshii
   6 * Copyright (C) 2010  Magnus Damm
   7 * Copyright (C) 2008  Yoshihiro Shimoda
   8 */
   9#include <linux/kernel.h>
  10#include <linux/init.h>
  11#include <linux/interrupt.h>
  12#include <linux/irq.h>
  13#include <linux/delay.h>
  14#include <linux/input.h>
  15#include <linux/io.h>
  16
  17#include <asm/hardware/cache-l2x0.h>
  18#include <asm/mach/map.h>
  19#include <asm/mach/arch.h>
  20#include <asm/mach/time.h>
  21
  22#include "common.h"
  23#include "sh73a0.h"
  24
  25static struct map_desc sh73a0_io_desc[] __initdata = {
  26        /* create a 1:1 identity mapping for 0xe6xxxxxx
  27         * used by CPGA, INTC and PFC.
  28         */
  29        {
  30                .virtual        = 0xe6000000,
  31                .pfn            = __phys_to_pfn(0xe6000000),
  32                .length         = 256 << 20,
  33                .type           = MT_DEVICE_NONSHARED
  34        },
  35};
  36
  37static void __init sh73a0_map_io(void)
  38{
  39        debug_ll_io_init();
  40        iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
  41}
  42
  43static void __init sh73a0_generic_init(void)
  44{
  45#ifdef CONFIG_CACHE_L2X0
  46        /* Shared attribute override enable, 64K*8way */
  47        l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
  48#endif
  49}
  50
  51static const char *const sh73a0_boards_compat_dt[] __initconst = {
  52        "renesas,sh73a0",
  53        NULL,
  54};
  55
  56DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
  57        .smp            = smp_ops(sh73a0_smp_ops),
  58        .map_io         = sh73a0_map_io,
  59        .init_early     = shmobile_init_delay,
  60        .init_machine   = sh73a0_generic_init,
  61        .init_late      = shmobile_init_late,
  62        .dt_compat      = sh73a0_boards_compat_dt,
  63MACHINE_END
  64