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> |
Tushar Behera | 334a1c7 | 2014-02-14 10:32:45 +0900 | [diff] [blame] | 26 | #include <linux/serial_s3c.h> |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 27 | #include <linux/platform_device.h> |
Tomasz Figa | c836c90 | 2013-08-26 02:37:34 +0900 | [diff] [blame] | 28 | #include <linux/of.h> |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 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> |
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> |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 42 | #include <plat/sdhci.h> |
| 43 | #include <plat/iic-core.h> |
Marek Szyprowski | 999304b | 2010-05-20 08:59:05 +0200 | [diff] [blame] | 44 | #include <plat/onenand-core.h> |
Kukjin Kim | b024043b | 2011-12-22 23:27:42 +0100 | [diff] [blame] | 45 | |
| 46 | #include "common.h" |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 47 | |
| 48 | void __init s3c6400_map_io(void) |
| 49 | { |
Ben Dooks | 4faf6867 | 2009-03-25 11:01:24 +0000 | [diff] [blame] | 50 | /* setup SDHCI */ |
| 51 | |
| 52 | s3c6400_default_sdhci0(); |
| 53 | s3c6400_default_sdhci1(); |
Maurus Cuelenaere | 92b118f | 2009-11-23 13:34:46 +0100 | [diff] [blame] | 54 | s3c6400_default_sdhci2(); |
Ben Dooks | 4faf6867 | 2009-03-25 11:01:24 +0000 | [diff] [blame] | 55 | |
| 56 | /* the i2c devices are directly compatible with s3c2440 */ |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 57 | s3c_i2c0_setname("s3c2440-i2c"); |
Peter Korsgaard | 14077ea | 2009-07-01 17:47:06 +0200 | [diff] [blame] | 58 | |
| 59 | s3c_device_nand.name = "s3c6400-nand"; |
Marek Szyprowski | 999304b | 2010-05-20 08:59:05 +0200 | [diff] [blame] | 60 | |
| 61 | s3c_onenand_setname("s3c6400-onenand"); |
| 62 | s3c64xx_onenand1_setname("s3c6400-onenand"); |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 63 | } |
| 64 | |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 65 | void __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 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 72 | static struct bus_type s3c6400_subsys = { |
| 73 | .name = "s3c6400-core", |
| 74 | .dev_name = "s3c6400-core", |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 75 | }; |
| 76 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 77 | static struct device s3c6400_dev = { |
| 78 | .bus = &s3c6400_subsys, |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 79 | }; |
| 80 | |
| 81 | static int __init s3c6400_core_init(void) |
| 82 | { |
Tomasz Figa | c836c90 | 2013-08-26 02:37:34 +0900 | [diff] [blame] | 83 | /* Not applicable when using DT. */ |
| 84 | if (of_have_populated_dt()) |
| 85 | return 0; |
| 86 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 87 | return subsys_system_register(&s3c6400_subsys, NULL); |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | core_initcall(s3c6400_core_init); |
| 91 | |
| 92 | int __init s3c6400_init(void) |
| 93 | { |
| 94 | printk("S3C6400: Initialising architecture\n"); |
| 95 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 96 | return device_register(&s3c6400_dev); |
Ben Dooks | a6925c1 | 2009-03-24 17:25:40 +0000 | [diff] [blame] | 97 | } |