mirror of https://gitee.com/openkylin/linux.git
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2007 Simtec Electronics
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// Ben Dooks <ben@simtec.co.uk>
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//
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// Samsung S3C2443 Mobile CPU support
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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/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/serial_core.h>
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#include <linux/device.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/reboot.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 <mach/gpio-samsung.h>
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#include <asm/irq.h>
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#include <asm/system_misc.h>
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#include <mach/regs-s3c2443-clock.h>
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#include <mach/rtc-core.h>
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#include <plat/gpio-core.h>
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#include <plat/gpio-cfg.h>
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#include <plat/gpio-cfg-helpers.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <plat/adc-core.h>
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#include "fb-core.h"
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#include "nand-core.h"
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#include "spi-core.h"
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static struct map_desc s3c2443_iodesc[] __initdata = {
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IODESC_ENT(WATCHDOG),
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IODESC_ENT(CLKPWR),
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IODESC_ENT(TIMER),
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};
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struct bus_type s3c2443_subsys = {
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.name = "s3c2443-core",
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.dev_name = "s3c2443-core",
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};
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static struct device s3c2443_dev = {
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.bus = &s3c2443_subsys,
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};
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int __init s3c2443_init(void)
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{
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printk("S3C2443: Initialising architecture\n");
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s3c_nand_setname("s3c2412-nand");
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s3c_fb_setname("s3c2443-fb");
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s3c_adc_setname("s3c2443-adc");
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s3c_rtc_setname("s3c2443-rtc");
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/* change WDT IRQ number */
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s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
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s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
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return device_register(&s3c2443_dev);
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}
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void __init s3c2443_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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/* s3c2443_map_io
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*
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* register the standard cpu IO areas, and any passed in from the
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* machine specific initialisation.
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*/
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void __init s3c2443_map_io(void)
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{
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s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
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s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
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/* initialize device information early */
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s3c64xx_spi_setname("s3c2443-spi");
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iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
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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 s3c2443 based system)
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* as a driver which may support both 2443 and 2440 may try and use it.
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*/
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static int __init s3c2443_core_init(void)
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{
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return subsys_system_register(&s3c2443_subsys, NULL);
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}
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core_initcall(s3c2443_core_init);
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