projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f1290a49 YK |
1 | /* linux/arch/arm/mach-s3c2416/s3c2416.c |
| 2 | * | |
| 3 | * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, | |
| 4 | * as part of OpenInkpot project | |
| 5 | * Copyright (c) 2009 Promwad Innovation Company | |
| 6 | * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> | |
| 7 | * | |
| 8 | * Samsung S3C2416 Mobile CPU support | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License as published by | |
| 12 | * the Free Software Foundation; either version 2 of the License, or | |
| 13 | * (at your option) any later version. | |
| 14 | * | |
| 15 | * This program is distributed in the hope that it will be useful, | |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | * GNU General Public License for more details. | |
| 19 | * | |
| 20 | * You should have received a copy of the GNU General Public License | |
| 21 | * along with this program; if not, write to the Free Software | |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 23 | */ | |
| 24 | ||
| 25 | #include <linux/kernel.h> | |
| 26 | #include <linux/types.h> | |
| 27 | #include <linux/interrupt.h> | |
| 28 | #include <linux/list.h> | |
| 29 | #include <linux/timer.h> | |
| 30 | #include <linux/init.h> | |
| eb90de4a | 31 | #include <linux/gpio.h> |
| f1290a49 YK |
32 | #include <linux/platform_device.h> |
| 33 | #include <linux/serial_core.h> | |
| 34 | #include <linux/sysdev.h> | |
| 35 | #include <linux/clk.h> | |
| 36 | #include <linux/io.h> | |
| 37 | ||
| 38 | #include <asm/mach/arch.h> | |
| 39 | #include <asm/mach/map.h> | |
| 40 | #include <asm/mach/irq.h> | |
| 41 | ||
| 42 | #include <mach/hardware.h> | |
| 43 | #include <asm/proc-fns.h> | |
| 44 | #include <asm/irq.h> | |
| 45 | ||
| 46 | #include <mach/reset.h> | |
| 47 | #include <mach/idle.h> | |
| 48 | #include <mach/regs-s3c2443-clock.h> | |
| 49 | ||
| eb90de4a BD |
50 | #include <plat/gpio-core.h> |
| 51 | #include <plat/gpio-cfg.h> | |
| 52 | #include <plat/gpio-cfg-helpers.h> | |
| f1290a49 YK |
53 | #include <plat/s3c2416.h> |
| 54 | #include <plat/devs.h> | |
| 55 | #include <plat/cpu.h> | |
| 56 | ||
| e12ef7f0 BD |
57 | #include <plat/iic-core.h> |
| 58 | ||
| f1290a49 YK |
59 | static struct map_desc s3c2416_iodesc[] __initdata = { |
| 60 | IODESC_ENT(WATCHDOG), | |
| 61 | IODESC_ENT(CLKPWR), | |
| 62 | IODESC_ENT(TIMER), | |
| 63 | }; | |
| 64 | ||
| 65 | struct sysdev_class s3c2416_sysclass = { | |
| 66 | .name = "s3c2416-core", | |
| 67 | }; | |
| 68 | ||
| 69 | static struct sys_device s3c2416_sysdev = { | |
| 70 | .cls = &s3c2416_sysclass, | |
| 71 | }; | |
| 72 | ||
| 73 | static void s3c2416_hard_reset(void) | |
| 74 | { | |
| 75 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); | |
| 76 | } | |
| 77 | ||
| 78 | int __init s3c2416_init(void) | |
| 79 | { | |
| 80 | printk(KERN_INFO "S3C2416: Initializing architecture\n"); | |
| 81 | ||
| 82 | s3c24xx_reset_hook = s3c2416_hard_reset; | |
| 83 | /* s3c24xx_idle = s3c2416_idle; */ | |
| 84 | ||
| 85 | /* change WDT IRQ number */ | |
| 86 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | |
| 87 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | |
| 88 | ||
| e12ef7f0 BD |
89 | /* the i2c devices are directly compatible with s3c2440 */ |
| 90 | s3c_i2c0_setname("s3c2440-i2c"); | |
| 91 | s3c_i2c1_setname("s3c2440-i2c"); | |
| 92 | ||
| f64bea43 BD |
93 | s3c_device_fb.name = "s3c2443-fb"; |
| 94 | ||
| f1290a49 YK |
95 | return sysdev_register(&s3c2416_sysdev); |
| 96 | } | |
| 97 | ||
| 98 | void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) | |
| 99 | { | |
| 100 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | |
| 101 | ||
| 102 | s3c_device_nand.name = "s3c2416-nand"; | |
| 103 | } | |
| 104 | ||
| 105 | /* s3c2416_map_io | |
| 106 | * | |
| 107 | * register the standard cpu IO areas, and any passed in from the | |
| 108 | * machine specific initialisation. | |
| 109 | */ | |
| 110 | ||
| 111 | void __init s3c2416_map_io(void) | |
| 112 | { | |
| eb90de4a BD |
113 | s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; |
| 114 | s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; | |
| 115 | ||
| f1290a49 YK |
116 | iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); |
| 117 | } | |
| 118 | ||
| 119 | /* need to register class before we actually register the device, and | |
| 120 | * we also need to ensure that it has been initialised before any of the | |
| 121 | * drivers even try to use it (even if not on an s3c2416 based system) | |
| 122 | * as a driver which may support both 2443 and 2440 may try and use it. | |
| 123 | */ | |
| 124 | ||
| 125 | static int __init s3c2416_core_init(void) | |
| 126 | { | |
| 127 | return sysdev_class_register(&s3c2416_sysclass); | |
| 128 | } | |
| 129 | ||
| 130 | core_initcall(s3c2416_core_init); |