^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // as part of OpenInkpot project
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) // Copyright (c) 2009 Promwad Innovation Company
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) // Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) // Samsung S3C2416 Mobile CPU support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/serial_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/syscore_ops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/reboot.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/mach/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include "map.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include "gpio-samsung.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <asm/proc-fns.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <asm/system_misc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include "regs-s3c2443-clock.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include "rtc-core-s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include "gpio-core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include "gpio-cfg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include "gpio-cfg-helpers.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include "devs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "cpu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "sdhci.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include "pm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include "iic-core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include "adc-core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include "s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include "fb-core-s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #include "nand-core-s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include "spi-core-s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static struct map_desc s3c2416_iodesc[] __initdata __maybe_unused = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) IODESC_ENT(WATCHDOG),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) IODESC_ENT(CLKPWR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) IODESC_ENT(TIMER),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct bus_type s3c2416_subsys = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .name = "s3c2416-core",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .dev_name = "s3c2416-core",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static struct device s3c2416_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .bus = &s3c2416_subsys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int __init s3c2416_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) printk(KERN_INFO "S3C2416: Initializing architecture\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* change WDT IRQ number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* the i2c devices are directly compatible with s3c2440 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) s3c_i2c0_setname("s3c2440-i2c");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) s3c_i2c1_setname("s3c2440-i2c");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) s3c_fb_setname("s3c2443-fb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) s3c_adc_setname("s3c2416-adc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) s3c_rtc_setname("s3c2416-rtc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) register_syscore_ops(&s3c2416_pm_syscore_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) register_syscore_ops(&s3c24xx_irq_syscore_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) register_syscore_ops(&s3c2416_irq_syscore_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return device_register(&s3c2416_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) s3c_nand_setname("s3c2412-nand");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /* s3c2416_map_io
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * register the standard cpu IO areas, and any passed in from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * machine specific initialisation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) void __init s3c2416_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* initialize device information early */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) s3c2416_default_sdhci0();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) s3c2416_default_sdhci1();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) s3c24xx_spi_setname("s3c2443-spi");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /* need to register the subsystem before we actually register the device, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * we also need to ensure that it has been initialised before any of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * drivers even try to use it (even if not on an s3c2416 based system)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * as a driver which may support both 2443 and 2440 may try and use it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int __init s3c2416_core_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return subsys_system_register(&s3c2416_subsys, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) core_initcall(s3c2416_core_init);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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