118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/* linux/arch/arm/mach-s3c2443/s3c2443.c
|
|
*
|
|
* Copyright (c) 2007 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
*
|
|
* Samsung S3C2443 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 version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#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/clk.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/system_misc.h>
|
|
|
|
#include <mach/regs-s3c2443-clock.h>
|
|
|
|
#include <plat/gpio-core.h>
|
|
#include <plat/gpio-cfg.h>
|
|
#include <plat/gpio-cfg-helpers.h>
|
|
#include <plat/s3c2443.h>
|
|
#include <plat/devs.h>
|
|
#include <plat/cpu.h>
|
|
#include <plat/fb-core.h>
|
|
#include <plat/nand-core.h>
|
|
#include <plat/adc-core.h>
|
|
#include <plat/rtc-core.h>
|
|
|
|
static struct map_desc s3c2443_iodesc[] __initdata = {
|
|
IODESC_ENT(WATCHDOG),
|
|
IODESC_ENT(CLKPWR),
|
|
IODESC_ENT(TIMER),
|
|
};
|
|
|
|
struct bus_type s3c2443_subsys = {
|
|
.name = "s3c2443-core",
|
|
.dev_name = "s3c2443-core",
|
|
};
|
|
|
|
static struct device s3c2443_dev = {
|
|
.bus = &s3c2443_subsys,
|
|
};
|
|
|
|
void s3c2443_restart(char mode, const char *cmd)
|
|
{
|
|
if (mode == 's')
|
|
soft_restart(0);
|
|
|
|
__raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
|
|
}
|
|
|
|
int __init s3c2443_init(void)
|
|
{
|
|
printk("S3C2443: Initialising architecture\n");
|
|
|
|
s3c_nand_setname("s3c2412-nand");
|
|
s3c_fb_setname("s3c2443-fb");
|
|
|
|
s3c_adc_setname("s3c2443-adc");
|
|
s3c_rtc_setname("s3c2443-rtc");
|
|
|
|
/* change WDT IRQ number */
|
|
s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
|
|
s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
|
|
|
|
return device_register(&s3c2443_dev);
|
|
}
|
|
|
|
void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
|
|
{
|
|
s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
|
|
}
|
|
|
|
/* s3c2443_map_io
|
|
*
|
|
* register the standard cpu IO areas, and any passed in from the
|
|
* machine specific initialisation.
|
|
*/
|
|
|
|
void __init s3c2443_map_io(void)
|
|
{
|
|
s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
|
|
s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
|
|
|
|
iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_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 s3c2443 based system)
|
|
* as a driver which may support both 2443 and 2440 may try and use it.
|
|
*/
|
|
|
|
static int __init s3c2443_core_init(void)
|
|
{
|
|
return subsys_system_register(&s3c2443_subsys, NULL);
|
|
}
|
|
|
|
core_initcall(s3c2443_core_init);
|