diff options
Diffstat (limited to 'kernel/arch/arm/mach-s3c24xx/s3c2416.c')
| -rw-r--r-- | kernel/arch/arm/mach-s3c24xx/s3c2416.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-s3c24xx/s3c2416.c b/kernel/arch/arm/mach-s3c24xx/s3c2416.c new file mode 100644 index 000000000..3f8ca2a3e --- /dev/null +++ b/kernel/arch/arm/mach-s3c24xx/s3c2416.c @@ -0,0 +1,147 @@ +/* linux/arch/arm/mach-s3c2416/s3c2416.c + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * Samsung S3C2416 Mobile CPU support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/reboot.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <asm/proc-fns.h> +#include <asm/irq.h> +#include <asm/system_misc.h> + +#include <mach/regs-s3c2443-clock.h> +#include <mach/rtc-core.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/sdhci.h> +#include <plat/pm.h> + +#include <plat/iic-core.h> +#include <plat/fb-core.h> +#include <plat/nand-core.h> +#include <plat/adc-core.h> +#include <plat/spi-core.h> + +#include "common.h" + +static struct map_desc s3c2416_iodesc[] __initdata = { + IODESC_ENT(WATCHDOG), + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), +}; + +struct bus_type s3c2416_subsys = { + .name = "s3c2416-core", + .dev_name = "s3c2416-core", +}; + +static struct device s3c2416_dev = { + .bus = &s3c2416_subsys, +}; + +int __init s3c2416_init(void) +{ + printk(KERN_INFO "S3C2416: Initializing architecture\n"); + + /* change WDT IRQ number */ + s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; + + /* the i2c devices are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + s3c_i2c1_setname("s3c2440-i2c"); + + s3c_fb_setname("s3c2443-fb"); + + s3c_adc_setname("s3c2416-adc"); + s3c_rtc_setname("s3c2416-rtc"); + +#ifdef CONFIG_PM_SLEEP + register_syscore_ops(&s3c2416_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + register_syscore_ops(&s3c2416_irq_syscore_ops); +#endif + + return device_register(&s3c2416_dev); +} + +void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); + + s3c_nand_setname("s3c2412-nand"); +} + +/* s3c2416_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. + */ + +void __init s3c2416_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; + s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; + + /* initialize device information early */ + s3c2416_default_sdhci0(); + s3c2416_default_sdhci1(); + s3c64xx_spi_setname("s3c2443-spi"); + + iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); +} + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2416 based system) + * as a driver which may support both 2443 and 2440 may try and use it. +*/ + +static int __init s3c2416_core_init(void) +{ + return subsys_system_register(&s3c2416_subsys, NULL); +} + +core_initcall(s3c2416_core_init); |