arch/arm/mach-s3c64xx/s3c6400.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright 2009 Simtec Electronics
   4 //      Ben Dooks <ben@simtec.co.uk>
   5 //      http://armlinux.simtec.co.uk/
   6
   7 /*
   8  * NOTE: Code in this file is not used when booting with Device Tree support.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/list.h>
  15 #include <linux/timer.h>
  16 #include <linux/init.h>
  17 #include <linux/clk.h>
  18 #include <linux/io.h>
  19 #include <linux/device.h>
  20 #include <linux/serial_core.h>
  21 #include <linux/serial_s3c.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/of.h>
  24
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27 #include <asm/mach/irq.h>
  28
  29 #include <mach/hardware.h>
  30 #include <asm/irq.h>
  31
  32 #include <plat/cpu-freq.h>
  33 #include <mach/regs-clock.h>
  34
  35 #include <plat/cpu.h>
  36 #include <plat/devs.h>
  37 #include <plat/sdhci.h>
  38 #include <plat/iic-core.h>
  39
  40 #include "common.h"
  41 #include "onenand-core.h"
  42
  43 void __init s3c6400_map_io(void)
  44 {
  45         /* setup SDHCI */
  46
  47         s3c6400_default_sdhci0();
  48         s3c6400_default_sdhci1();
  49         s3c6400_default_sdhci2();
  50
  51         /* the i2c devices are directly compatible with s3c2440 */
  52         s3c_i2c0_setname("s3c2440-i2c");
  53
  54         s3c_device_nand.name = "s3c6400-nand";
  55
  56         s3c_onenand_setname("s3c6400-onenand");
  57         s3c64xx_onenand1_setname("s3c6400-onenand");
  58 }
  59
  60 void __init s3c6400_init_irq(void)
  61 {
  62         /* VIC0 does not have IRQS 5..7,
  63          * VIC1 is fully populated. */
  64         s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
  65 }
  66
  67 static struct bus_type s3c6400_subsys = {
  68         .name           = "s3c6400-core",
  69         .dev_name       = "s3c6400-core",
  70 };
  71
  72 static struct device s3c6400_dev = {
  73         .bus    = &s3c6400_subsys,
  74 };
  75
  76 static int __init s3c6400_core_init(void)
  77 {
  78         /* Not applicable when using DT. */
  79         if (of_have_populated_dt() || soc_is_s3c64xx())
  80                 return 0;
  81
  82         return subsys_system_register(&s3c6400_subsys, NULL);
  83 }
  84
  85 core_initcall(s3c6400_core_init);
  86
  87 int __init s3c6400_init(void)
  88 {
  89         printk("S3C6400: Initialising architecture\n");
  90
  91         return device_register(&s3c6400_dev);
  92 }