cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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s3c2410.c (2937B)

      1// SPDX-License-Identifier: GPL-2.0
      2//
      3// Copyright (c) 2003-2005 Simtec Electronics
      4//	Ben Dooks <ben@simtec.co.uk>
      5//
      6// http://www.simtec.co.uk/products/EB2410ITX/
      7
      8#include <linux/kernel.h>
      9#include <linux/types.h>
     10#include <linux/interrupt.h>
     11#include <linux/list.h>
     12#include <linux/timer.h>
     13#include <linux/init.h>
     14#include <linux/gpio.h>
     15#include <linux/clk.h>
     16#include <linux/device.h>
     17#include <linux/syscore_ops.h>
     18#include <linux/serial_core.h>
     19#include <linux/serial_s3c.h>
     20#include <linux/platform_device.h>
     21#include <linux/reboot.h>
     22#include <linux/io.h>
     23
     24#include <asm/mach/arch.h>
     25#include <asm/mach/map.h>
     26#include <asm/mach/irq.h>
     27
     28#include "map.h"
     29#include "gpio-samsung.h"
     30#include <asm/irq.h>
     31#include <asm/system_misc.h>
     32
     33
     34#include "regs-clock.h"
     35
     36#include "cpu.h"
     37#include "devs.h"
     38#include "pm.h"
     39
     40#include "gpio-core.h"
     41#include "gpio-cfg.h"
     42#include "gpio-cfg-helpers.h"
     43
     44#include "s3c24xx.h"
     45
     46/* Initial IO mappings */
     47
     48static struct map_desc s3c2410_iodesc[] __initdata __maybe_unused = {
     49	IODESC_ENT(CLKPWR),
     50	IODESC_ENT(TIMER),
     51	IODESC_ENT(WATCHDOG),
     52};
     53
     54/* our uart devices */
     55
     56/* uart registration process */
     57
     58void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no)
     59{
     60	s3c24xx_init_uartdevs("s3c2410-uart", s3c2410_uart_resources, cfg, no);
     61}
     62
     63/* s3c2410_map_io
     64 *
     65 * register the standard cpu IO areas, and any passed in from the
     66 * machine specific initialisation.
     67*/
     68
     69void __init s3c2410_map_io(void)
     70{
     71	s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
     72	s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
     73
     74	iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
     75}
     76
     77struct bus_type s3c2410_subsys = {
     78	.name = "s3c2410-core",
     79	.dev_name = "s3c2410-core",
     80};
     81
     82/* Note, we would have liked to name this s3c2410-core, but we cannot
     83 * register two subsystems with the same name.
     84 */
     85struct bus_type s3c2410a_subsys = {
     86	.name = "s3c2410a-core",
     87	.dev_name = "s3c2410a-core",
     88};
     89
     90static struct device s3c2410_dev = {
     91	.bus		= &s3c2410_subsys,
     92};
     93
     94/* need to register the subsystem before we actually register the device, and
     95 * we also need to ensure that it has been initialised before any of the
     96 * drivers even try to use it (even if not on an s3c2410 based system)
     97 * as a driver which may support both 2410 and 2440 may try and use it.
     98*/
     99
    100static int __init s3c2410_core_init(void)
    101{
    102	return subsys_system_register(&s3c2410_subsys, NULL);
    103}
    104
    105core_initcall(s3c2410_core_init);
    106
    107static int __init s3c2410a_core_init(void)
    108{
    109	return subsys_system_register(&s3c2410a_subsys, NULL);
    110}
    111
    112core_initcall(s3c2410a_core_init);
    113
    114int __init s3c2410_init(void)
    115{
    116	printk("S3C2410: Initialising architecture\n");
    117
    118#ifdef CONFIG_PM_SLEEP
    119	register_syscore_ops(&s3c2410_pm_syscore_ops);
    120	register_syscore_ops(&s3c24xx_irq_syscore_ops);
    121#endif
    122
    123	return device_register(&s3c2410_dev);
    124}
    125
    126int __init s3c2410a_init(void)
    127{
    128	s3c2410_dev.bus = &s3c2410a_subsys;
    129	return s3c2410_init();
    130}