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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s3c2416.c (3289B)


      1// SPDX-License-Identifier: GPL-2.0+
      2//
      3// Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
      4//	as part of OpenInkpot project
      5// Copyright (c) 2009 Promwad Innovation Company
      6//	Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
      7//
      8// Samsung S3C2416 Mobile CPU support
      9
     10#include <linux/kernel.h>
     11#include <linux/types.h>
     12#include <linux/interrupt.h>
     13#include <linux/list.h>
     14#include <linux/timer.h>
     15#include <linux/init.h>
     16#include <linux/gpio.h>
     17#include <linux/platform_device.h>
     18#include <linux/serial_core.h>
     19#include <linux/device.h>
     20#include <linux/syscore_ops.h>
     21#include <linux/clk.h>
     22#include <linux/io.h>
     23#include <linux/reboot.h>
     24
     25#include <asm/mach/arch.h>
     26#include <asm/mach/map.h>
     27#include <asm/mach/irq.h>
     28
     29#include "map.h"
     30#include "gpio-samsung.h"
     31#include <asm/proc-fns.h>
     32#include <asm/irq.h>
     33#include <asm/system_misc.h>
     34
     35#include "regs-s3c2443-clock.h"
     36#include "rtc-core-s3c24xx.h"
     37
     38#include "gpio-core.h"
     39#include "gpio-cfg.h"
     40#include "gpio-cfg-helpers.h"
     41#include "devs.h"
     42#include "cpu.h"
     43#include "sdhci.h"
     44#include "pm.h"
     45
     46#include "iic-core.h"
     47#include "adc-core.h"
     48
     49#include "s3c24xx.h"
     50#include "fb-core-s3c24xx.h"
     51#include "nand-core-s3c24xx.h"
     52#include "spi-core-s3c24xx.h"
     53
     54static struct map_desc s3c2416_iodesc[] __initdata __maybe_unused = {
     55	IODESC_ENT(WATCHDOG),
     56	IODESC_ENT(CLKPWR),
     57	IODESC_ENT(TIMER),
     58};
     59
     60struct bus_type s3c2416_subsys = {
     61	.name = "s3c2416-core",
     62	.dev_name = "s3c2416-core",
     63};
     64
     65static struct device s3c2416_dev = {
     66	.bus		= &s3c2416_subsys,
     67};
     68
     69int __init s3c2416_init(void)
     70{
     71	printk(KERN_INFO "S3C2416: Initializing architecture\n");
     72
     73	/* change WDT IRQ number */
     74	s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
     75	s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
     76
     77	/* the i2c devices are directly compatible with s3c2440 */
     78	s3c_i2c0_setname("s3c2440-i2c");
     79	s3c_i2c1_setname("s3c2440-i2c");
     80
     81	s3c_fb_setname("s3c2443-fb");
     82
     83	s3c_adc_setname("s3c2416-adc");
     84	s3c_rtc_setname("s3c2416-rtc");
     85
     86#ifdef CONFIG_PM_SLEEP
     87	register_syscore_ops(&s3c2416_pm_syscore_ops);
     88	register_syscore_ops(&s3c24xx_irq_syscore_ops);
     89	register_syscore_ops(&s3c2416_irq_syscore_ops);
     90#endif
     91
     92	return device_register(&s3c2416_dev);
     93}
     94
     95void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
     96{
     97	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
     98
     99	s3c_nand_setname("s3c2412-nand");
    100}
    101
    102/* s3c2416_map_io
    103 *
    104 * register the standard cpu IO areas, and any passed in from the
    105 * machine specific initialisation.
    106 */
    107
    108void __init s3c2416_map_io(void)
    109{
    110	s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
    111	s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
    112
    113	/* initialize device information early */
    114	s3c2416_default_sdhci0();
    115	s3c2416_default_sdhci1();
    116	s3c24xx_spi_setname("s3c2443-spi");
    117
    118	iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
    119}
    120
    121/* need to register the subsystem before we actually register the device, and
    122 * we also need to ensure that it has been initialised before any of the
    123 * drivers even try to use it (even if not on an s3c2416 based system)
    124 * as a driver which may support both 2443 and 2440 may try and use it.
    125*/
    126
    127static int __init s3c2416_core_init(void)
    128{
    129	return subsys_system_register(&s3c2416_subsys, NULL);
    130}
    131
    132core_initcall(s3c2416_core_init);