1 /* linux/arch/arm/mach-s3c64xx/cpu.c 2 * 3 * Copyright 2009 Simtec Electronics 4 * Ben Dooks <ben@simtec.co.uk> 5 * http://armlinux.simtec.co.uk/ 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 /* 13 * NOTE: Code in this file is not used when booting with Device Tree support. 14 */ 15 16 #include <linux/kernel.h> 17 #include <linux/types.h> 18 #include <linux/interrupt.h> 19 #include <linux/list.h> 20 #include <linux/timer.h> 21 #include <linux/init.h> 22 #include <linux/clk.h> 23 #include <linux/io.h> 24 #include <linux/device.h> 25 #include <linux/serial_core.h> 26 #include <linux/serial_s3c.h> 27 #include <linux/platform_device.h> 28 #include <linux/of.h> 29 30 #include <asm/mach/arch.h> 31 #include <asm/mach/map.h> 32 #include <asm/mach/irq.h> 33 34 #include <mach/hardware.h> 35 #include <asm/irq.h> 36 37 #include <plat/cpu-freq.h> 38 #include <mach/regs-clock.h> 39 40 #include <plat/cpu.h> 41 #include <plat/devs.h> 42 #include <plat/sdhci.h> 43 #include <plat/iic-core.h> 44 45 #include "common.h" 46 #include "onenand-core.h" 47 s3c6400_map_io(void)48void __init s3c6400_map_io(void) 49 { 50 /* setup SDHCI */ 51 52 s3c6400_default_sdhci0(); 53 s3c6400_default_sdhci1(); 54 s3c6400_default_sdhci2(); 55 56 /* the i2c devices are directly compatible with s3c2440 */ 57 s3c_i2c0_setname("s3c2440-i2c"); 58 59 s3c_device_nand.name = "s3c6400-nand"; 60 61 s3c_onenand_setname("s3c6400-onenand"); 62 s3c64xx_onenand1_setname("s3c6400-onenand"); 63 } 64 s3c6400_init_irq(void)65void __init s3c6400_init_irq(void) 66 { 67 /* VIC0 does not have IRQS 5..7, 68 * VIC1 is fully populated. */ 69 s3c64xx_init_irq(~0 & ~(0xf << 5), ~0); 70 } 71 72 static struct bus_type s3c6400_subsys = { 73 .name = "s3c6400-core", 74 .dev_name = "s3c6400-core", 75 }; 76 77 static struct device s3c6400_dev = { 78 .bus = &s3c6400_subsys, 79 }; 80 s3c6400_core_init(void)81static int __init s3c6400_core_init(void) 82 { 83 /* Not applicable when using DT. */ 84 if (of_have_populated_dt()) 85 return 0; 86 87 return subsys_system_register(&s3c6400_subsys, NULL); 88 } 89 90 core_initcall(s3c6400_core_init); 91 s3c6400_init(void)92int __init s3c6400_init(void) 93 { 94 printk("S3C6400: Initialising architecture\n"); 95 96 return device_register(&s3c6400_dev); 97 } 98