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 } 86