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

   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
  25 static 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
  37 static 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
  43 static 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
  51 static const char *const sh73a0_boards_compat_dt[] __initconst = {
  52         "renesas,sh73a0",
  53         NULL,
  54 };
  55
  56 DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
  57         .smp            = smp_ops(sh73a0_smp_ops),
  58         .map_io         = sh73a0_map_io,
  59         .init_machine   = sh73a0_generic_init,
  60         .init_late      = shmobile_init_late,
  61         .dt_compat      = sh73a0_boards_compat_dt,
  62 MACHINE_END