Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s3c6410/cpu.c |
| 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 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/list.h> |
| 17 | #include <linux/timer.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/clk.h> |
| 20 | #include <linux/io.h> |
| 21 | #include <linux/sysdev.h> |
| 22 | #include <linux/serial_core.h> |
| 23 | #include <linux/platform_device.h> |
| 24 | |
| 25 | #include <asm/mach/arch.h> |
| 26 | #include <asm/mach/map.h> |
| 27 | #include <asm/mach/irq.h> |
| 28 | |
| 29 | #include <mach/hardware.h> |
| 30 | #include <asm/irq.h> |
| 31 | |
| 32 | #include <plat/cpu-freq.h> |
| 33 | #include <plat/regs-serial.h> |
Ben Dooks | 496a3f0 | 2009-05-02 13:48:53 +0100 | [diff] [blame] | 34 | #include <plat/regs-clock.h> |
Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 35 | |
| 36 | #include <plat/cpu.h> |
| 37 | #include <plat/devs.h> |
| 38 | #include <plat/clock.h> |
Ben Dooks | 5cc7fd8 | 2008-10-31 16:14:38 +0000 | [diff] [blame] | 39 | #include <plat/sdhci.h> |
Ben Dooks | 4f507d1 | 2008-10-31 16:15:00 +0000 | [diff] [blame] | 40 | #include <plat/iic-core.h> |
Ben Dooks | cf18acf | 2008-10-21 14:07:02 +0100 | [diff] [blame] | 41 | #include <plat/s3c6400.h> |
Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 42 | #include <plat/s3c6410.h> |
| 43 | |
| 44 | /* Initial IO mappings */ |
| 45 | |
| 46 | static struct map_desc s3c6410_iodesc[] __initdata = { |
| 47 | }; |
| 48 | |
| 49 | /* s3c6410_map_io |
| 50 | * |
| 51 | * register the standard cpu IO areas |
| 52 | */ |
| 53 | |
| 54 | void __init s3c6410_map_io(void) |
| 55 | { |
| 56 | iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc)); |
Ben Dooks | 5cc7fd8 | 2008-10-31 16:14:38 +0000 | [diff] [blame] | 57 | |
| 58 | /* initialise device information early */ |
| 59 | s3c6410_default_sdhci0(); |
Ben Dooks | a2205cd | 2008-10-31 16:14:39 +0000 | [diff] [blame] | 60 | s3c6410_default_sdhci1(); |
Ben Dooks | 4f507d1 | 2008-10-31 16:15:00 +0000 | [diff] [blame] | 61 | |
| 62 | /* the i2c devices are directly compatible with s3c2440 */ |
| 63 | s3c_i2c0_setname("s3c2440-i2c"); |
| 64 | s3c_i2c1_setname("s3c2440-i2c"); |
Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | void __init s3c6410_init_clocks(int xtal) |
| 68 | { |
Ben Dooks | 39669f5 | 2008-10-21 14:07:12 +0100 | [diff] [blame] | 69 | printk(KERN_DEBUG "%s: initialising clocks\n", __func__); |
Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 70 | s3c24xx_register_baseclocks(xtal); |
Ben Dooks | 4b31d8b | 2008-10-21 14:07:00 +0100 | [diff] [blame] | 71 | s3c64xx_register_clocks(); |
Ben Dooks | 496a3f0 | 2009-05-02 13:48:53 +0100 | [diff] [blame] | 72 | s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK); |
Ben Dooks | cf18acf | 2008-10-21 14:07:02 +0100 | [diff] [blame] | 73 | s3c6400_setup_clocks(); |
Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 74 | } |
| 75 | |
Ben Dooks | d9b79fb | 2008-10-21 14:06:51 +0100 | [diff] [blame] | 76 | void __init s3c6410_init_irq(void) |
| 77 | { |
| 78 | /* VIC0 is missing IRQ7, VIC1 is fully populated. */ |
| 79 | s3c64xx_init_irq(~0 & ~(1 << 7), ~0); |
| 80 | } |
| 81 | |
Ben Dooks | d626aee | 2008-10-21 14:06:50 +0100 | [diff] [blame] | 82 | struct sysdev_class s3c6410_sysclass = { |
| 83 | .name = "s3c6410-core", |
| 84 | }; |
| 85 | |
| 86 | static struct sys_device s3c6410_sysdev = { |
| 87 | .cls = &s3c6410_sysclass, |
| 88 | }; |
| 89 | |
| 90 | static int __init s3c6410_core_init(void) |
| 91 | { |
| 92 | return sysdev_class_register(&s3c6410_sysclass); |
| 93 | } |
| 94 | |
| 95 | core_initcall(s3c6410_core_init); |
| 96 | |
| 97 | int __init s3c6410_init(void) |
| 98 | { |
| 99 | printk("S3C6410: Initialising architecture\n"); |
| 100 | |
| 101 | return sysdev_register(&s3c6410_sysdev); |
| 102 | } |