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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s3c2443.c (2692B)

      1// SPDX-License-Identifier: GPL-2.0
      2//
      3// Copyright (c) 2007 Simtec Electronics
      4//   Ben Dooks <ben@simtec.co.uk>
      5//
      6// Samsung S3C2443 Mobile CPU support
      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/platform_device.h>
     16#include <linux/serial_core.h>
     17#include <linux/device.h>
     18#include <linux/clk.h>
     19#include <linux/io.h>
     20#include <linux/reboot.h>
     21
     22#include <asm/mach/arch.h>
     23#include <asm/mach/map.h>
     24#include <asm/mach/irq.h>
     25
     26#include "map.h"
     27#include "gpio-samsung.h"
     28#include "irqs.h"
     29#include <asm/irq.h>
     30#include <asm/system_misc.h>
     31
     32#include "regs-s3c2443-clock.h"
     33#include "rtc-core-s3c24xx.h"
     34
     35#include "gpio-core.h"
     36#include "gpio-cfg.h"
     37#include "gpio-cfg-helpers.h"
     38#include "devs.h"
     39#include "cpu.h"
     40#include "adc-core.h"
     41
     42#include "s3c24xx.h"
     43#include "fb-core-s3c24xx.h"
     44#include "nand-core-s3c24xx.h"
     45#include "spi-core-s3c24xx.h"
     46
     47static struct map_desc s3c2443_iodesc[] __initdata __maybe_unused = {
     48	IODESC_ENT(WATCHDOG),
     49	IODESC_ENT(CLKPWR),
     50	IODESC_ENT(TIMER),
     51};
     52
     53struct bus_type s3c2443_subsys = {
     54	.name = "s3c2443-core",
     55	.dev_name = "s3c2443-core",
     56};
     57
     58static struct device s3c2443_dev = {
     59	.bus		= &s3c2443_subsys,
     60};
     61
     62int __init s3c2443_init(void)
     63{
     64	printk("S3C2443: Initialising architecture\n");
     65
     66	s3c_nand_setname("s3c2412-nand");
     67	s3c_fb_setname("s3c2443-fb");
     68
     69	s3c_adc_setname("s3c2443-adc");
     70	s3c_rtc_setname("s3c2443-rtc");
     71
     72	/* change WDT IRQ number */
     73	s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
     74	s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
     75
     76	return device_register(&s3c2443_dev);
     77}
     78
     79void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
     80{
     81	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
     82}
     83
     84/* s3c2443_map_io
     85 *
     86 * register the standard cpu IO areas, and any passed in from the
     87 * machine specific initialisation.
     88 */
     89
     90void __init s3c2443_map_io(void)
     91{
     92	s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
     93	s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
     94
     95	/* initialize device information early */
     96	s3c24xx_spi_setname("s3c2443-spi");
     97
     98	iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
     99}
    100
    101/* need to register the subsystem before we actually register the device, and
    102 * we also need to ensure that it has been initialised before any of the
    103 * drivers even try to use it (even if not on an s3c2443 based system)
    104 * as a driver which may support both 2443 and 2440 may try and use it.
    105*/
    106
    107static int __init s3c2443_core_init(void)
    108{
    109	return subsys_system_register(&s3c2443_subsys, NULL);
    110}
    111
    112core_initcall(s3c2443_core_init);