arch/arm/mach-s3c/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 <asm/irq.h>
  30
  31 #include "regs-clock.h"
  32
  33 #include "cpu.h"
  34 #include "devs.h"
  35 #include "sdhci.h"
  36 #include "iic-core.h"
  37
  38 #include "s3c64xx.h"
  39 #include "onenand-core-s3c64xx.h"
  40
  41 void __init s3c6400_map_io(void)
  42 {
  43         /* setup SDHCI */
  44
  45         s3c6400_default_sdhci0();
  46         s3c6400_default_sdhci1();
  47         s3c6400_default_sdhci2();
  48
  49         /* the i2c devices are directly compatible with s3c2440 */
  50         s3c_i2c0_setname("s3c2440-i2c");
  51
  52         s3c_device_nand.name = "s3c6400-nand";
  53
  54         s3c_onenand_setname("s3c6400-onenand");
  55         s3c64xx_onenand1_setname("s3c6400-onenand");
  56 }
  57
  58 void __init s3c6400_init_irq(void)
  59 {
  60         /* VIC0 does not have IRQS 5..7,
  61          * VIC1 is fully populated. */
  62         s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
  63 }
  64
  65 static struct bus_type s3c6400_subsys = {
  66         .name           = "s3c6400-core",
  67         .dev_name       = "s3c6400-core",
  68 };
  69
  70 static struct device s3c6400_dev = {
  71         .bus    = &s3c6400_subsys,
  72 };
  73
  74 static int __init s3c6400_core_init(void)
  75 {
  76         /* Not applicable when using DT. */
  77         if (of_have_populated_dt() || soc_is_s3c64xx())
  78                 return 0;
  79
  80         return subsys_system_register(&s3c6400_subsys, NULL);
  81 }
  82
  83 core_initcall(s3c6400_core_init);
  84
  85 int __init s3c6400_init(void)
  86 {
  87         printk("S3C6400: Initialising architecture\n");
  88
  89         return device_register(&s3c6400_dev);
  90 }