Ben Dooks | 431107e | 2010-01-26 10:11:04 +0900 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s3c64xx/cpu.c |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 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 | |
Tomasz Figa | c836c90 | 2013-08-26 02:37:34 +0900 | [diff] [blame^] | 12 | /* |
| 13 | * NOTE: Code in this file is not used when booting with Device Tree support. |
| 14 | */ |
| 15 | |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 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> |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 24 | #include <linux/device.h> |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 25 | #include <linux/serial_core.h> |
| 26 | #include <linux/platform_device.h> |
Tomasz Figa | c836c90 | 2013-08-26 02:37:34 +0900 | [diff] [blame^] | 27 | #include <linux/of.h> |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 28 | |
| 29 | #include <asm/mach/arch.h> |
| 30 | #include <asm/mach/map.h> |
| 31 | #include <asm/mach/irq.h> |
| 32 | |
| 33 | #include <mach/hardware.h> |
| 34 | #include <asm/irq.h> |
| 35 | |
| 36 | #include <plat/cpu-freq.h> |
| 37 | #include <plat/regs-serial.h> |
Ben Dooks | 3501c9a | 2010-01-26 10:45:40 +0900 | [diff] [blame] | 38 | #include <mach/regs-clock.h> |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 39 | |
| 40 | #include <plat/cpu.h> |
| 41 | #include <plat/devs.h> |
| 42 | #include <plat/clock.h> |
| 43 | #include <plat/sdhci.h> |
| 44 | #include <plat/iic-core.h> |
Marek Szyprowski | 999304b | 2010-05-20 08:59:05 +0200 | [diff] [blame] | 45 | #include <plat/onenand-core.h> |
Kukjin Kim | b024043b | 2011-12-22 23:27:42 +0100 | [diff] [blame] | 46 | |
| 47 | #include "common.h" |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 48 | |
| 49 | void __init s3c6400_map_io(void) |
| 50 | { |
Ben Dooks | 4faf6867 | 2009-03-25 11:01:24 +0000 | [diff] [blame] | 51 | /* setup SDHCI */ |
| 52 | |
| 53 | s3c6400_default_sdhci0(); |
| 54 | s3c6400_default_sdhci1(); |
Maurus Cuelenaere | 92b118f | 2009-11-23 13:34:46 +0100 | [diff] [blame] | 55 | s3c6400_default_sdhci2(); |
Ben Dooks | 4faf6867 | 2009-03-25 11:01:24 +0000 | [diff] [blame] | 56 | |
| 57 | /* the i2c devices are directly compatible with s3c2440 */ |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 58 | s3c_i2c0_setname("s3c2440-i2c"); |
Peter Korsgaard | 14077ea | 2009-07-01 17:47:06 +0200 | [diff] [blame] | 59 | |
| 60 | s3c_device_nand.name = "s3c6400-nand"; |
Marek Szyprowski | 999304b | 2010-05-20 08:59:05 +0200 | [diff] [blame] | 61 | |
| 62 | s3c_onenand_setname("s3c6400-onenand"); |
| 63 | s3c64xx_onenand1_setname("s3c6400-onenand"); |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 64 | } |
| 65 | |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 66 | void __init s3c6400_init_irq(void) |
| 67 | { |
| 68 | /* VIC0 does not have IRQS 5..7, |
| 69 | * VIC1 is fully populated. */ |
| 70 | s3c64xx_init_irq(~0 & ~(0xf << 5), ~0); |
| 71 | } |
| 72 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 73 | static struct bus_type s3c6400_subsys = { |
| 74 | .name = "s3c6400-core", |
| 75 | .dev_name = "s3c6400-core", |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 76 | }; |
| 77 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 78 | static struct device s3c6400_dev = { |
| 79 | .bus = &s3c6400_subsys, |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 80 | }; |
| 81 | |
| 82 | static int __init s3c6400_core_init(void) |
| 83 | { |
Tomasz Figa | c836c90 | 2013-08-26 02:37:34 +0900 | [diff] [blame^] | 84 | /* Not applicable when using DT. */ |
| 85 | if (of_have_populated_dt()) |
| 86 | return 0; |
| 87 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 88 | return subsys_system_register(&s3c6400_subsys, NULL); |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | core_initcall(s3c6400_core_init); |
| 92 | |
| 93 | int __init s3c6400_init(void) |
| 94 | { |
| 95 | printk("S3C6400: Initialising architecture\n"); |
| 96 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 97 | return device_register(&s3c6400_dev); |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 98 | } |