| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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 <mach/hardware.h> |
| 30 | #include <mach/gpio-samsung.h> |
| 31 | #include <asm/proc-fns.h> |
| 32 | #include <asm/irq.h> |
| 33 | #include <asm/system_misc.h> |
| 34 | |
| 35 | #include <mach/regs-s3c2443-clock.h> |
| 36 | #include <mach/rtc-core.h> |
| 37 | |
| 38 | #include <plat/gpio-core.h> |
| 39 | #include <plat/gpio-cfg.h> |
| 40 | #include <plat/gpio-cfg-helpers.h> |
| 41 | #include <plat/devs.h> |
| 42 | #include <plat/cpu.h> |
| 43 | #include <plat/sdhci.h> |
| 44 | #include <plat/pm.h> |
| 45 | |
| 46 | #include <plat/iic-core.h> |
| 47 | #include <plat/adc-core.h> |
| 48 | |
| 49 | #include "common.h" |
| 50 | #include "fb-core.h" |
| 51 | #include "nand-core.h" |
| 52 | #include "spi-core.h" |
| 53 | |
| 54 | static struct map_desc s3c2416_iodesc[] __initdata = { |
| 55 | IODESC_ENT(WATCHDOG), |
| 56 | IODESC_ENT(CLKPWR), |
| 57 | IODESC_ENT(TIMER), |
| 58 | }; |
| 59 | |
| 60 | struct bus_type s3c2416_subsys = { |
| 61 | .name = "s3c2416-core", |
| 62 | .dev_name = "s3c2416-core", |
| 63 | }; |
| 64 | |
| 65 | static struct device s3c2416_dev = { |
| 66 | .bus = &s3c2416_subsys, |
| 67 | }; |
| 68 | |
| 69 | int __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 | |
| 95 | void __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 | |
| 108 | void __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 | s3c64xx_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 | |
| 127 | static int __init s3c2416_core_init(void) |
| 128 | { |
| 129 | return subsys_system_register(&s3c2416_subsys, NULL); |
| 130 | } |
| 131 | |
| 132 | core_initcall(s3c2416_core_init); |