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With the move to the common clock framework completed for s3c2410, s3c2440 and s3c2442, the legacy clock code for these machines can go away too. This also includes the legacy dclk code, as all legacy users are converted. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/* linux/arch/arm/plat-s3c24xx/s3c244x.c
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*
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* Copyright (c) 2004-2006 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Samsung S3C2440 and S3C2442 Mobile CPU support (not S3C2443)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <linux/platform_device.h>
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#include <linux/reboot.h>
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#include <linux/device.h>
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#include <linux/syscore_ops.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <asm/system_misc.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <asm/irq.h>
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#include <plat/cpu-freq.h>
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#include <mach/regs-clock.h>
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#include <mach/regs-gpio.h>
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#include <plat/clock.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <plat/pm.h>
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#include <plat/pll.h>
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#include <plat/nand-core.h>
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#include <plat/watchdog-reset.h>
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#include "common.h"
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#include "regs-dsc.h"
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static struct map_desc s3c244x_iodesc[] __initdata = {
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IODESC_ENT(CLKPWR),
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IODESC_ENT(TIMER),
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IODESC_ENT(WATCHDOG),
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};
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/* uart initialisation */
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void __init s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no)
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{
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s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
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}
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void __init s3c244x_map_io(void)
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{
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/* register our io-tables */
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iotable_init(s3c244x_iodesc, ARRAY_SIZE(s3c244x_iodesc));
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/* rename any peripherals used differing from the s3c2410 */
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s3c_device_sdi.name = "s3c2440-sdi";
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s3c_device_i2c0.name = "s3c2440-i2c";
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s3c_nand_setname("s3c2440-nand");
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s3c_device_ts.name = "s3c2440-ts";
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s3c_device_usbgadget.name = "s3c2440-usbgadget";
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s3c2410_device_dclk.name = "s3c2440-dclk";
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}
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void __init_or_cpufreq s3c244x_setup_clocks(void)
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{
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}
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/* Since the S3C2442 and S3C2440 share items, put both subsystems here */
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struct bus_type s3c2440_subsys = {
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.name = "s3c2440-core",
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.dev_name = "s3c2440-core",
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};
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struct bus_type s3c2442_subsys = {
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.name = "s3c2442-core",
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.dev_name = "s3c2442-core",
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};
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/* need to register the subsystem before we actually register the device, and
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* we also need to ensure that it has been initialised before any of the
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* drivers even try to use it (even if not on an s3c2440 based system)
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* as a driver which may support both 2410 and 2440 may try and use it.
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*/
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static int __init s3c2440_core_init(void)
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{
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return subsys_system_register(&s3c2440_subsys, NULL);
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}
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core_initcall(s3c2440_core_init);
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static int __init s3c2442_core_init(void)
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{
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return subsys_system_register(&s3c2442_subsys, NULL);
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}
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core_initcall(s3c2442_core_init);
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#ifdef CONFIG_PM
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static struct sleep_save s3c244x_sleep[] = {
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SAVE_ITEM(S3C2440_DSC0),
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SAVE_ITEM(S3C2440_DSC1),
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SAVE_ITEM(S3C2440_GPJDAT),
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SAVE_ITEM(S3C2440_GPJCON),
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SAVE_ITEM(S3C2440_GPJUP)
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};
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static int s3c244x_suspend(void)
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{
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s3c_pm_do_save(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep));
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return 0;
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}
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static void s3c244x_resume(void)
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{
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s3c_pm_do_restore(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep));
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}
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#else
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#define s3c244x_suspend NULL
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#define s3c244x_resume NULL
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#endif
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struct syscore_ops s3c244x_pm_syscore_ops = {
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.suspend = s3c244x_suspend,
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.resume = s3c244x_resume,
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};
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void s3c244x_restart(enum reboot_mode mode, const char *cmd)
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{
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if (mode == REBOOT_SOFT)
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soft_restart(0);
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samsung_wdt_reset();
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/* we'll take a jump through zero as a poor second */
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soft_restart(0);
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}
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