arch/arm/mach-s3c/s3c6410.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright 2008 Simtec Electronics
   4 // Copyright 2008 Simtec Electronics
   5 //      Ben Dooks <ben@simtec.co.uk>
   6 //      http://armlinux.simtec.co.uk/
   7
   8 /*
   9  * NOTE: Code in this file is not used when booting with Device Tree support.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/types.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/list.h>
  16 #include <linux/timer.h>
  17 #include <linux/init.h>
  18 #include <linux/clk.h>
  19 #include <linux/io.h>
  20 #include <linux/device.h>
  21 #include <linux/serial_core.h>
  22 #include <linux/serial_s3c.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/of.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <asm/irq.h>
  31
  32 #include <linux/soc/samsung/s3c-pm.h>
  33 #include "regs-clock.h"
  34
  35 #include "cpu.h"
  36 #include "devs.h"
  37 #include "sdhci.h"
  38 #include "iic-core.h"
  39
  40 #include "s3c64xx.h"
  41
  42 void __init s3c6410_map_io(void)
  43 {
  44         /* initialise device information early */
  45         s3c6410_default_sdhci0();
  46         s3c6410_default_sdhci1();
  47         s3c6410_default_sdhci2();
  48
  49         /* the i2c devices are directly compatible with s3c2440 */
  50         s3c_i2c0_setname("s3c2440-i2c");
  51         s3c_i2c1_setname("s3c2440-i2c");
  52 }
  53
  54 void __init s3c6410_init_irq(void)
  55 {
  56         /* VIC0 is missing IRQ7, VIC1 is fully populated. */
  57         s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
  58 }
  59
  60 const struct bus_type s3c6410_subsys = {
  61         .name           = "s3c6410-core",
  62         .dev_name       = "s3c6410-core",
  63 };
  64
  65 static struct device s3c6410_dev = {
  66         .bus    = &s3c6410_subsys,
  67 };
  68
  69 static int __init s3c6410_core_init(void)
  70 {
  71         /* Not applicable when using DT. */
  72         if (of_have_populated_dt() || !soc_is_s3c64xx())
  73                 return 0;
  74
  75         return subsys_system_register(&s3c6410_subsys, NULL);
  76 }
  77
  78 core_initcall(s3c6410_core_init);
  79
  80 int __init s3c6410_init(void)
  81 {
  82         printk("S3C6410: Initialising architecture\n");
  83
  84         return device_register(&s3c6410_dev);
  85 }