131 lines
2.9 KiB
C
131 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// Copyright (c) 2003-2005 Simtec Electronics
|
|
// Ben Dooks <ben@simtec.co.uk>
|
|
//
|
|
// http://www.simtec.co.uk/products/EB2410ITX/
|
|
|
|
#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/clk.h>
|
|
#include <linux/device.h>
|
|
#include <linux/syscore_ops.h>
|
|
#include <linux/serial_core.h>
|
|
#include <linux/serial_s3c.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/reboot.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include "map.h"
|
|
#include "gpio-samsung.h"
|
|
#include <asm/irq.h>
|
|
#include <asm/system_misc.h>
|
|
|
|
|
|
#include "regs-clock.h"
|
|
|
|
#include "cpu.h"
|
|
#include "devs.h"
|
|
#include "pm.h"
|
|
|
|
#include "gpio-core.h"
|
|
#include "gpio-cfg.h"
|
|
#include "gpio-cfg-helpers.h"
|
|
|
|
#include "s3c24xx.h"
|
|
|
|
/* Initial IO mappings */
|
|
|
|
static struct map_desc s3c2410_iodesc[] __initdata __maybe_unused = {
|
|
IODESC_ENT(CLKPWR),
|
|
IODESC_ENT(TIMER),
|
|
IODESC_ENT(WATCHDOG),
|
|
};
|
|
|
|
/* our uart devices */
|
|
|
|
/* uart registration process */
|
|
|
|
void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no)
|
|
{
|
|
s3c24xx_init_uartdevs("s3c2410-uart", s3c2410_uart_resources, cfg, no);
|
|
}
|
|
|
|
/* s3c2410_map_io
|
|
*
|
|
* register the standard cpu IO areas, and any passed in from the
|
|
* machine specific initialisation.
|
|
*/
|
|
|
|
void __init s3c2410_map_io(void)
|
|
{
|
|
s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
|
|
s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
|
|
|
|
iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
|
|
}
|
|
|
|
struct bus_type s3c2410_subsys = {
|
|
.name = "s3c2410-core",
|
|
.dev_name = "s3c2410-core",
|
|
};
|
|
|
|
/* Note, we would have liked to name this s3c2410-core, but we cannot
|
|
* register two subsystems with the same name.
|
|
*/
|
|
struct bus_type s3c2410a_subsys = {
|
|
.name = "s3c2410a-core",
|
|
.dev_name = "s3c2410a-core",
|
|
};
|
|
|
|
static struct device s3c2410_dev = {
|
|
.bus = &s3c2410_subsys,
|
|
};
|
|
|
|
/* 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 s3c2410 based system)
|
|
* as a driver which may support both 2410 and 2440 may try and use it.
|
|
*/
|
|
|
|
static int __init s3c2410_core_init(void)
|
|
{
|
|
return subsys_system_register(&s3c2410_subsys, NULL);
|
|
}
|
|
|
|
core_initcall(s3c2410_core_init);
|
|
|
|
static int __init s3c2410a_core_init(void)
|
|
{
|
|
return subsys_system_register(&s3c2410a_subsys, NULL);
|
|
}
|
|
|
|
core_initcall(s3c2410a_core_init);
|
|
|
|
int __init s3c2410_init(void)
|
|
{
|
|
printk("S3C2410: Initialising architecture\n");
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
register_syscore_ops(&s3c2410_pm_syscore_ops);
|
|
register_syscore_ops(&s3c24xx_irq_syscore_ops);
|
|
#endif
|
|
|
|
return device_register(&s3c2410_dev);
|
|
}
|
|
|
|
int __init s3c2410a_init(void)
|
|
{
|
|
s3c2410_dev.bus = &s3c2410a_subsys;
|
|
return s3c2410_init();
|
|
}
|